{"id":61,"date":"2024-03-14T06:55:09","date_gmt":"2024-03-14T13:55:09","guid":{"rendered":"https:\/\/www.willsenton.com\/?page_id=61"},"modified":"2024-11-05T03:18:05","modified_gmt":"2024-11-05T11:18:05","slug":"r8-series","status":"publish","type":"page","link":"https:\/\/www.willsenton.com\/zh\/amplifiers\/r8-series\/","title":{"rendered":"R8 \u7cfb\u5217"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”Header” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ max_width=”1280px” custom_padding=”27px|0px|0|0px|false|false” use_custom_width=”on” custom_width_px=”1280px” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”Arial|300|||||||” header_font_size=”70px” header_line_height=”1.3em” header_4_font=”Arial|500||on|||||” header_4_text_color=”#ef6f49″ header_4_font_size=”11px” header_4_letter_spacing=”3px” custom_margin=”||10px||false|false” header_font_size_tablet=”50px” header_font_size_phone=”40px” header_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Amplifiers<\/h4>\n

R8 Series<\/h1>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”||||||||” header_4_font=”Arial|300||on|||||” header_4_text_color=”rgba(239,111,73,0.6)” header_4_font_size=”21px” header_4_letter_spacing=”3px” max_width=”700px” custom_margin=”||||false|false” custom_padding=”||||false|false” locked=”off” global_colors_info=”{}”]<\/p>\n

Integrated Vacuum Tube Power Amplifier<\/h4>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” text_font_size=”16px” text_line_height=”2.2em” global_colors_info=”{}”]<\/p>\n

The R8 series includes three different versions that use three different types of vacuum tubes for AB1 class push-pull power amplification. Additionally, it features two 6SL7 tubes and two 6SN7 tubes for signal amplification and driving. The pre-stage voltage uses a single 6SN7 tube for a filtered power supply, achieving an output power of 40W\/45W per channel.<\/p>\n

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R8 – EL34<\/h3>\n

This design uses four EL34 vacuum tubes for AB1 class push-pull power amplification. Additionally, it features two 6SL7 tubes and two 6SN7 tubes for signal amplification and driving. The pre-stage voltage uses a single 6SN7 tube for a filtered power supply, achieving an output power 40W per channel.<\/p>\n

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R8 – KT88<\/h3>\n

This design uses four KT88 vacuum tubes for AB1 class push-pull power amplification. Additionally, it features two 6SL7 tubes and two 6SN7 tubes for signal amplification and driving. The pre-stage voltage uses a single 6SN7 tube for a filtered power supply, achieving an output power 45W per channel.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.24.2″ text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_font=”||||||||” header_3_font=”Arial|600||on|||||” header_3_font_size=”20px” header_3_letter_spacing=”1px” header_3_line_height=”1.8em” custom_margin=”30px||0px||false|false” locked=”off” global_colors_info=”{}” header_font_size__hover=”30px” header_2_font_size__hover=”26px” header_3_font_size__hover=”22px” header_4_font_size__hover=”18px” header_5_font_size__hover=”16px” header_6_font_size__hover=”14px” header_font_size__hover_enabled=”30px” header_2_font_size__hover_enabled=”26px” header_3_font_size__hover_enabled=”22px” header_4_font_size__hover_enabled=”18px” header_5_font_size__hover_enabled=”16px” header_6_font_size__hover_enabled=”14px” header_letter_spacing__hover=”0px” header_2_letter_spacing__hover=”0px” header_3_letter_spacing__hover=”0px” header_4_letter_spacing__hover=”0px” header_5_letter_spacing__hover=”0px” header_6_letter_spacing__hover=”0px” header_letter_spacing__hover_enabled=”0px” header_2_letter_spacing__hover_enabled=”0px” header_3_letter_spacing__hover_enabled=”0px” header_4_letter_spacing__hover_enabled=”0px” header_5_letter_spacing__hover_enabled=”0px” header_6_letter_spacing__hover_enabled=”0px” header_2_line_height__hover=”1em” header_3_line_height__hover=”1em” header_4_line_height__hover=”1em” header_5_line_height__hover=”1em” header_6_line_height__hover=”1em” header_2_line_height__hover_enabled=”1em” header_3_line_height__hover_enabled=”1em” header_4_line_height__hover_enabled=”1em” header_5_line_height__hover_enabled=”1em” header_6_line_height__hover_enabled=”1em” header_text_shadow_style__hover=”none” header_2_text_shadow_style__hover=”none” header_3_text_shadow_style__hover=”none” header_4_text_shadow_style__hover=”none” header_5_text_shadow_style__hover=”none” header_6_text_shadow_style__hover=”none” header_text_shadow_style__hover_enabled=”none” header_2_text_shadow_style__hover_enabled=”none” header_3_text_shadow_style__hover_enabled=”none” header_4_text_shadow_style__hover_enabled=”none” header_5_text_shadow_style__hover_enabled=”none” header_6_text_shadow_style__hover_enabled=”none” header_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_2_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_3_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_4_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_5_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_6_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_2_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_3_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_4_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_5_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_6_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)”]<\/p>\n

R8 – EH6550<\/h3>\n

This design uses four EH6550 vacuum tubes for AB1 class push-pull power amplification. Additionally, it features two 6SL7 tubes and two 6SN7 tubes for signal amplification and driving. The pre-stage voltage uses a single 6SN7 tube for a filtered power supply, achieving an output power 45W per channel.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.2″ custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.24.2″ text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_font=”||||||||” header_3_font=”Arial|600||on|||||” header_3_font_size=”20px” header_3_letter_spacing=”1px” header_3_line_height=”1.8em” custom_margin=”30px||60px||false|false” locked=”off” global_colors_info=”{}” header_font_size__hover=”30px” header_2_font_size__hover=”26px” header_3_font_size__hover=”22px” header_4_font_size__hover=”18px” header_5_font_size__hover=”16px” header_6_font_size__hover=”14px” header_font_size__hover_enabled=”30px” header_2_font_size__hover_enabled=”26px” header_3_font_size__hover_enabled=”22px” header_4_font_size__hover_enabled=”18px” header_5_font_size__hover_enabled=”16px” header_6_font_size__hover_enabled=”14px” header_letter_spacing__hover=”0px” header_2_letter_spacing__hover=”0px” header_3_letter_spacing__hover=”0px” header_4_letter_spacing__hover=”0px” header_5_letter_spacing__hover=”0px” header_6_letter_spacing__hover=”0px” header_letter_spacing__hover_enabled=”0px” header_2_letter_spacing__hover_enabled=”0px” header_3_letter_spacing__hover_enabled=”0px” header_4_letter_spacing__hover_enabled=”0px” header_5_letter_spacing__hover_enabled=”0px” header_6_letter_spacing__hover_enabled=”0px” header_2_line_height__hover=”1em” header_3_line_height__hover=”1em” header_4_line_height__hover=”1em” header_5_line_height__hover=”1em” header_6_line_height__hover=”1em” header_2_line_height__hover_enabled=”1em” header_3_line_height__hover_enabled=”1em” header_4_line_height__hover_enabled=”1em” header_5_line_height__hover_enabled=”1em” header_6_line_height__hover_enabled=”1em” header_text_shadow_style__hover=”none” header_2_text_shadow_style__hover=”none” header_3_text_shadow_style__hover=”none” header_4_text_shadow_style__hover=”none” header_5_text_shadow_style__hover=”none” header_6_text_shadow_style__hover=”none” header_text_shadow_style__hover_enabled=”none” header_2_text_shadow_style__hover_enabled=”none” header_3_text_shadow_style__hover_enabled=”none” header_4_text_shadow_style__hover_enabled=”none” header_5_text_shadow_style__hover_enabled=”none” header_6_text_shadow_style__hover_enabled=”none” header_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_2_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_3_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_4_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_5_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_6_text_shadow_color__hover=”rgba(0,0,0,0.4)” header_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_2_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_3_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_4_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_5_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)” header_6_text_shadow_color__hover_enabled=”rgba(0,0,0,0.4)”]<\/p>\n

The R8 features handcrafted point-to-point welding construction. The chassis and transformer cover are finished with high-grade piano lacquer for a refined appearance. It includes an external, independent BIAS ADJ current monitoring gauge and a 30-second mute delay function. It also has a headphone output feature, ALPS motorized potentiometer, full remote control functionality, and pure power amp input capability, allowing connection to an independent preamp signal input. Additionally, it features an external TUBE SEL for KT88\/EL34 vacuum tube swapping, offering triode and ultra-linear function selection. In triode mode, the sound is soft, pure, and smooth, suitable for enjoying vocals and string music. In ultra-linear mode, the sound is open, exuberant, and powerful, ideal for appreciating large-scale, dynamic music.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|tablet” admin_label=”Gallery” _builder_version=”4.24.2″ use_background_color_gradient=”on” background_color_gradient_direction=”90deg” background_color_gradient_stops=”rgba(247,243,236,0) 12%|#f7f3ec 60%” background_color_gradient_start=”rgba(247,243,236,0)” background_color_gradient_start_position=”60%” background_color_gradient_end=”#f7f3ec” background_color_gradient_end_position=”60%” custom_padding=”100px|0px|100px|0px|true|false” custom_padding_tablet=”30px||30px||true” custom_padding_phone=”” locked=”off” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ width=”90%” max_width=”90%” module_alignment=”right” use_custom_width=”on” width_unit=”off” custom_width_percent=”90%” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.willsenton.com\/wp-content\/uploads\/2024\/03\/willsenton-r8-kt88-black-800-400.webp” title_text=”willsenton-r8-kt88-black-800-400″ align_tablet=”center” align_phone=”center” align_last_edited=”on|desktop” _builder_version=”4.24.2″ custom_margin=”||30px||false|false” custom_padding=”||0px||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” border_width_all=”8px” border_color_all=”#ffffff” locked=”off” global_colors_info=”{}” show_bottom_space__hover=”on” show_bottom_space__hover_enabled=”on”][\/et_pb_image][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial|600|||||||” text_font_size=”17px” text_letter_spacing=”1px” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” global_colors_info=”{}”]<\/p>\n

The body is made from aviation-grade aluminum alloy with piano paint.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.willsenton.com\/wp-content\/uploads\/2024\/03\/willsenton-r8-kt88-black-800-400-1.webp” title_text=”willsenton-r8-kt88-black-800-400-1″ align_tablet=”center” align_phone=”center” align_last_edited=”on|desktop” _builder_version=”4.24.2″ custom_margin=”||30px||false|false” custom_padding=”||0px||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” border_width_all=”8px” border_color_all=”#ffffff” locked=”off” global_colors_info=”{}” show_bottom_space__hover=”on” show_bottom_space__hover_enabled=”on”][\/et_pb_image][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial|600|||||||” text_font_size=”17px” text_letter_spacing=”1px” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” global_colors_info=”{}”]<\/p>\n

The external independent BIAS ADJ current display meter and current adjustment points.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ width=”90%” max_width=”90%” module_alignment=”right” use_custom_width=”on” width_unit=”off” custom_width_percent=”90%” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.willsenton.com\/wp-content\/uploads\/2024\/03\/willsenton-r8-kt88-silver-800-400-4.webp” title_text=”willsenton-r8-kt88-silver-800-400-4″ align_tablet=”center” align_phone=”center” align_last_edited=”on|desktop” _builder_version=”4.24.2″ custom_margin=”||30px||false|false” custom_padding=”||0px||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” border_width_all=”8px” border_color_all=”#ffffff” locked=”off” global_colors_info=”{}” show_bottom_space__hover=”on” show_bottom_space__hover_enabled=”on”][\/et_pb_image][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial|600|||||||” text_font_size=”17px” text_letter_spacing=”1px” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” global_colors_info=”{}”]<\/p>\n

High-grade ALPS motorized potentiometers made in Japan.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.willsenton.com\/wp-content\/uploads\/2024\/03\/willsenton-r8-kt88-silver-800-400-3.webp” title_text=”willsenton-r8-kt88-silver-800-400-3″ align_tablet=”center” align_phone=”center” align_last_edited=”on|desktop” _builder_version=”4.24.2″ custom_margin=”||30px||false|false” custom_padding=”||0px||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” border_width_all=”8px” border_color_all=”#ffffff” locked=”off” global_colors_info=”{}” show_bottom_space__hover=”on” show_bottom_space__hover_enabled=”on”][\/et_pb_image][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial|600|||||||” text_font_size=”17px” text_letter_spacing=”1px” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” animation_style=”slide” animation_direction=”right” animation_intensity_slide=”2%” global_colors_info=”{}”]<\/p>\n

CNC-machined copper terminals plated with gold are aimed at further noise reduction and upgrades.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.24.2″ _module_preset=”default” custom_padding=”70px||0px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”||||||||” header_2_font=”Arial|300|||||||” header_2_text_color=”#333333″ header_2_font_size=”42px” header_2_line_height=”1.5em” header_4_font=”Montserrat|500||on|||||” header_4_text_color=”#ef6f49″ header_4_font_size=”11px” header_4_letter_spacing=”3px” background_layout=”dark” max_width=”700px” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

Details<\/h4>\n

Features of R8 Series<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||70px||false|false” global_colors_info=”{}”]<\/p>\n

Aluminum<\/h3>\n

The body is made from aviation-grade aluminum alloy.<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

Manual Soldering<\/h3>\n

We employ artisanal hand-soldering techniques to solder each component manually.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||70px||false|false” global_colors_info=”{}”]<\/p>\n

30s Mute Delay<\/h3>\n

The high-voltage mute delay can effectively protect the vacuum tubes.<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

ALPS<\/h3>\n

We use high-grade ALPS potentiometers that are made in Japan.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||70px||false|false” global_colors_info=”{}”]<\/p>\n

BIAS ADJ<\/h3>\n

The high-end external, independent BIAS ADJ current display meter.<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

Power Amp Mode<\/h3>\n

We have added a power amp function to this series, allowing you to use your preamp.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.24.2″ _module_preset=”default” custom_padding=”60px||||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”||||||||” header_2_font=”Arial|300|||||||” header_2_text_color=”#333333″ header_2_font_size=”42px” header_2_line_height=”1.5em” header_4_font=”Montserrat|500||on|||||” header_4_text_color=”#ef6f49″ header_4_font_size=”11px” header_4_letter_spacing=”3px” background_layout=”dark” max_width=”700px” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

Details<\/h4>\n

Sound of R8 Series<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

Classical<\/h3>\n

This series has made every effort to restore classical music instruments, live performance ambiance, and vocal nuances.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

Pop \/ Contemporary<\/h3>\n

This series has made the greatest effort to achieve the mid-frequencies and high-frequency vocals needed for pop music.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.24.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.2″ _module_preset=”default” text_font=”Arial||||||||” text_font_size=”15px” text_line_height=”2.2em” header_3_font=”Arial|300|||||||” header_3_text_align=”center” header_3_font_size=”23px” text_orientation=”center” custom_margin=”||20px||false|false” global_colors_info=”{}”]<\/p>\n

Symphonic \/ Live<\/h3>\n

This series makes the utmost effort to reproduce the soundstage and dynamic range of live music faithfully.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Suggested Product” _builder_version=”4.16″ custom_width_px__hover=”1080px” custom_width_px__hover_enabled=”1080px” custom_width_percent__hover=”80%” custom_width_percent__hover_enabled=”80%” locked=”off” global_colors_info=”{}” gutter_width__hover=”3″ gutter_width__hover_enabled=”3″ parallax_1__hover=”off” parallax_1__hover_enabled=”off” parallax_2__hover=”off” parallax_2__hover_enabled=”off” parallax_3__hover=”off” parallax_3__hover_enabled=”off” parallax_method_1__hover=”on” parallax_method_1__hover_enabled=”on” parallax_method_2__hover=”on” parallax_method_2__hover_enabled=”on” parallax_method_3__hover=”on” parallax_method_3__hover_enabled=”on” use_background_color_gradient__hover=”off” use_background_color_gradient__hover_enabled=”off” background_color_gradient_start__hover=”#2b87da” background_color_gradient_start__hover_enabled=”#2b87da” 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Details<\/h4>\n

Vacuum Tube of R8 Series<\/h2>\n

[\/et_pb_text][et_pb_text _builder_version=”4.24.2″ text_font=”Arial||||||||” text_font_size=”17px” text_line_height=”2.2em” header_font=”||||||||” header_3_font=”Arial||||||||” header_3_letter_spacing=”1px” header_3_line_height=”2.5em” background_layout=”dark” custom_margin=”30px||50px||false” locked=”off” global_colors_info=”{}”]<\/p>\n

We use only high-quality vacuum tubes for our products!<\/h3>\n

A single 6SN7 is used for a filtered power supply for voltage amplification and driving. The voltage amplification and driving stages use two matched pairs of 6SL7 and 6SN7 tubes. The power amp section employs four KT88 tubes for AB1 class push-pull power amplification. Every component is meticulously hand-wired and soldered, offering effective isolation and shielding, and the body is finished with piano lacquer. This achieves perfection.<\/p>\n

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hover_transition_duration__hover_enabled=”300ms” hover_transition_delay__hover=”0ms” hover_transition_delay__hover_enabled=”0ms” hover_transition_speed_curve__hover=”ease” hover_transition_speed_curve__hover_enabled=”ease” background_color_gradient_stops__hover=”#2b87da 0%|#29c4a9 100%” sticky_enabled=”0″][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_divider color=”#ef6f49″ _builder_version=”4.16″ max_width=”70px” custom_margin=”||0px” locked=”off” global_colors_info=”{}”][\/et_pb_divider][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”||||||||” header_2_font=”Arial|300|||||||” header_2_font_size=”42px” header_2_line_height=”1.5em” max_width=”700px” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Specifications<\/h2>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”42px|||” custom_padding_tablet=”0px||” custom_padding_phone=”0px||” custom_padding_last_edited=”on|tablet” global_colors_info=”{}” padding_tablet=”0px||” padding_last_edited=”on|tablet” custom_padding__hover=”|||” padding_phone=”0px||”][et_pb_button button_url=”#gallery” button_text=”Jump To Gallery” button_alignment=”right” _builder_version=”4.24.2″ custom_button=”on” button_text_size=”13px” button_text_color=”#1a2545″ button_bg_color=”rgba(26,37,69,0.08)” button_border_width=”0px” button_border_radius=”0px” button_letter_spacing=”2px” button_font=”Arial|600||on|||||” button_use_icon=”off” custom_padding=”12px|24px|12px|24px|true|true” locked=”off” global_colors_info=”{}” button_bg_color__hover=”rgba(26,37,69,0.16)” button_bg_color__hover_enabled=”on”][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code _builder_version=”4.24.2″ _module_preset=”default” overflow-x=”auto” overflow-x_phone=”auto” overflow-x_last_edited=”off|desktop” global_colors_info=”{}”]<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n<\/p>\n
Titles<\/b><\/span><\/td>\n

<\/p>\n

Details<\/b><\/span><\/td>\n

<\/tr>\n

<\/p>\n

Output Power<\/b><\/td>\n

<\/p>\n

KT88 25W+25W (When Tube), 45W+45WEL34 25W+25W (When Tube), 40W+40W<\/td>\n

<\/tr>\n

<\/p>\n

Harmonic Distortion<\/b><\/td>\n

<\/p>\n

1% (1kHz)<\/td>\n

<\/tr>\n

<\/p>\n

Frequency Response<\/b><\/td>\n

<\/p>\n

12Hz ~ 40kHz (+\/-0.5dB)<\/td>\n

<\/tr>\n

<\/p>\n

Input Sensitivity<\/b><\/td>\n

<\/p>\n

380mV (Integrated Mode)820mV (Power Amp Mode)<\/td>\n

<\/tr>\n

<\/p>\n

Input Impedance<\/b><\/td>\n

<\/p>\n

100K\u2126<\/td>\n

<\/tr>\n

<\/p>\n

Output Impedance<\/b><\/td>\n

<\/p>\n

4\u2126, 8\u2126<\/td>\n

<\/tr>\n

<\/p>\n

Signal to Noise<\/b><\/td>\n

<\/p>\n

91dB<\/td>\n

<\/tr>\n

<\/p>\n

VACUUM TUBE<\/b><\/td>\n

<\/p>\n

6SN7*3, 6SL7*2, KT88*4 \/ 6550EH*4 \/ EL34*4<\/td>\n

<\/tr>\n

<\/p>\n

Power<\/b><\/td>\n

<\/p>\n

310W<\/td>\n

<\/tr>\n

<\/p>\n

Unit Weight<\/b><\/td>\n

<\/p>\n

57.5lbs (26KG)<\/td>\n

<\/tr>\n

<\/p>\n

Gross Weight<\/b><\/td>\n

<\/p>\n

66.2lbs (30KG)<\/td>\n

<\/tr>\n

<\/p>\n

Unit Dimensions<\/b><\/td>\n

<\/p>\n

15.75″W * 7.88″H * 15.36″D<\/td>\n

<\/tr>\n

<\/p>\n

Voltage Options<\/b><\/td>\n

<\/p>\n

Japan – 100VNorth America – 120VEurope\/Asia\/Australia\/New Zealand – 230V<\/td>\n

<\/tr>\n

<\/p>\n

Working Temperature<\/b><\/td>\n

<\/p>\n

32\u00b0F to 104\u00b0F (0\u00b0C to 40\u00b0C)<\/td>\n

<\/tr>\n

<\/p>\n

Working Humidity<\/b><\/td>\n

<\/p>\n

20% to 80%<\/td>\n

<\/tr>\n

<\/p>\n

Temperature<\/b><\/td>\n

<\/p>\n

-4\u00b0F to 158\u00b0F (-20\u00b0C to 80\u00b0C)<\/td>\n

<\/tr>\n

<\/p>\n

Humidity<\/b><\/td>\n

<\/p>\n

20% to 90%<\/td>\n

<\/tr>\n

<\/tbody>\n

<\/table>\n

[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.2″ _module_preset=”default” background_color=”#f2f2f2″ custom_padding=”||||false|false” global_colors_info=”{}” locked=”off”][et_pb_row _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.2″ text_font=”||||||||” header_font=”||||||||” header_2_font=”Arial|300|||||||” header_2_text_color=”#333333″ header_2_font_size=”42px” header_2_line_height=”1.5em” header_4_font=”Montserrat|500||on|||||” header_4_text_color=”#ef6f49″ header_4_font_size=”11px” header_4_letter_spacing=”3px” background_layout=”dark” max_width=”700px” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

Video of Our Products<\/h2>\n

[\/et_pb_text][et_pb_tabs _builder_version=”4.27.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″ custom_margin=”35px||||false|false” tab_font=”–et_global_heading_font|600||on|||||” tab_font_size=”18px”][et_pb_tab title=”R8 – KT88″ _builder_version=”4.27.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

\n <\/iframe>\n<\/div>\n

[\/et_pb_tab][et_pb_tab title=”R8 – EL34″ _builder_version=”4.27.2″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n

\n <\/iframe>\n<\/div>\n

[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Categories” _builder_version=”4.24.2″ custom_margin=”40px||10px||false|false” global_module=”694″ saved_tabs=”all” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.24.2″ custom_margin=”||||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.24.2″ text_font=”||||||||” header_font=”||||||||” header_2_font=”Arial|300|||||||” header_2_font_size=”42px” header_2_line_height=”1.5em” header_4_font=”Arial|500||on|||||” header_4_text_color=”#ef6f49″ header_4_font_size=”11px” header_4_letter_spacing=”3px” max_width=”700px” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Photos of Our Products<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_gallery gallery_ids=”693,692,691,690,689,688,687,686,685,684,715,714,713,712,711,710,709,719,720,721,722,723,739,738,735,733,732,731,730,729,728,726,727,742,743,744,745,746,747,748,749,750,751,752″ gallery_orderby=”rand” posts_number=”8″ show_title_and_caption=”off” show_pagination=”off” hover_icon=”T||divi||400″ _builder_version=”4.24.2″ _module_preset=”default” title_font=”Arial||||||||” caption_font=”Arial||||||||” pagination_font=”Arial||||||||” custom_margin=”||||false|false” global_colors_info=”{}”][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Amplifiers R8 SeriesIntegrated Vacuum Tube Power AmplifierThe R8 series includes three different versions that use three different types of vacuum tubes for AB1 class push-pull power amplification. Additionally, it features two 6SL7 tubes and two 6SN7 tubes for signal amplification and driving. The pre-stage voltage uses a single 6SN7 tube for a filtered power supply, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":58,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"class_list":["post-61","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/pages\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":0,"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/pages\/61\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/pages\/58"}],"wp:attachment":[{"href":"https:\/\/www.willsenton.com\/zh\/wp-json\/wp\/v2\/media?parent=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}