Preamplifiers
R-11PRE Series
Vacuum Tube Preamplifier
The R-11PRE preamplifier showcases meticulous craftsmanship in its exterior design. When powered on, the central black screen emits a soft, warm glow, gently illuminating the “Willsenton” logo. This logo not only represents the brand but also conveys a sense of luxury. The warm glow shines through the clear lettering, delivering a sense of warmth and intimacy to the user, creating a soothing atmosphere akin to being immersed in a world of high-quality sound.
Whenever music plays, elegant tones flow effortlessly, revealing unparalleled audio precision and intricate layers. This design enhances not only the visual appeal but also enriches each listening experience with a dual enjoyment of luxury and warmth.
Carrying on the classic style of the Willsenton family, the R-11PRE amplifier makes innovative breakthroughs in design details. Rounded corners enhance visual smoothness, adding a modern touch. Three aluminum alloy panels are skillfully integrated, showcasing refined craftsmanship and an unrivaled sense of luxury. The front panel features solid aluminum knobs with clearly defined functions, providing excellent tactile feedback and a smooth user experience. The large knob in the main control area offers outstanding touch and handling, while the centrally arranged six functional knobs follow a simple and bold design, exuding elegance. This design perfectly blends technology with art, offering music lovers an uncompromisingly enjoyable, convenient, visual and operational experience.
The body is made from aviation-grade aluminum alloy.
Equipped with four imported Russian EH6922 vacuum tubes as signal amplifiers.
High-grade ALPS motorized potentiometers made in Japan.
Equipped with custom high-density polypropylene silver foil coupling capacitors exclusively for Willsenton.
Details
Features of R-11PRE Series
Aluminum
The body is made from aviation-grade aluminum alloy.
For Vinyl Player
R-11PRE Series has the MM/MC cartridge amplification.
30s Mute Delay
The high-voltage mute delay can effectively protect the vacuum tubes.
Tone Control
You can either switch directly to output or choose to adjust the bass and treble.
Input & Output
We Use XLR balanced input and XLR balanced output.
ALPS
We use high-grade ALPS potentiometers that are made in Japan.
Details
Sound of R-11PRE Series
Classical
This series has made every effort to restore classical music instruments, live performance ambiance, and vocal nuances.
Pop / Contemporary
This series has made the greatest effort to achieve the mid-frequencies and high-frequency vocals needed for pop music.
Symphonic / Live
This series makes the utmost effort to reproduce the soundstage and more wider dynamic range of live music faithfully.
Details
Tube Preamp of R-11PRE Series
We use only high-quality lectronic components for our products!
The chassis features a flat rectangular box design with rounded corners and smooth, flowing lines. The exterior is made of high-strength brushed aluminum alloy with an anodized finish. The front panel has a symmetrical layout, neatly arranged with multiple precision knobs and buttons. A black rectangular digital display with the logo is embedded at the center.
The large volume knobs on both sides use brushed metal and edge-cutting techniques. The layout of the control knobs is meticulously designed with precise spacing, ensuring clear operational zones. The text labels on the panel are laser-etched with high precision.
The top section is made from a single-piece aluminum alloy panel, with uniquely recessed edges forming distinct frame trim lines that enhance visual layering and recognizability. The side panels and front panel transition smoothly, with finely crafted workmanship, reflecting the designer’s pursuit of perfection in every detail.
Specifications
| Titles | Details |
| Gain | 18dB |
| Frequency Response | 15Hz – 35KHz (-3dB) |
| Total Harmonic Distortion | 0.9% (1KHz, A-weighted) |
| Signal-to-Noise Ratio | 93dB A-weighted |
| Input Sensitivity | 360mV |
| Input Impedance (RCA) | 100kΩ |
| Input Impedance (Balanced) | 47kΩ |
| Output Impedance (RCA) | 5kΩ |
| Output Impedance (Balanced) | 1kΩ |
| Vacuum Tubes Used | 6922EH x4, 6Z4 x2 |
| Net Weight | 17kg |
| Unit Dimensions | 16.97″W * 5.12″H * 10.83″D (431mm W * 130mm H * 410mm D) |
| Power Supply Voltage | 115V ~ 230V ±5% (50Hz) |
| Power Consumption | 45W |
| Working Temperature | 32°F to 104°F (0°C to 40°C) |
| Working Humidity | 20% to 80% |
| Temperature | -4°F to 158°F (-20°C to 80°C) |
| Humidity | 20% to 90% |
| Titles | Details |
| MM Gain | 48dB |
| MC Gain | 72dB |
| Total Harmonic Distortion | 0.06% (1KHz, A-weighted) |
| RIAA Frequency Response | ±0.5dB (20Hz – 20KHz) |
| MM Input Sensitivity | 6mV |
| MC Input Sensitivity | 0.5mV |
| MM Input Impedance | 47kΩ (approx.) |
| MC Input Impedance | 120Ω (approx.) |
| MM Signal-to-Noise Ratio | 85dB A-weighted |
| MC Signal-to-Noise Ratio | 75dB A-weighted |
Gallery
Photos of Our Products
