Willsenton R-35I EL34 x4 Tube Amplifier & Headphone Amp
- Pure hand made, the whole machine uses point to point welding
- Use high power Z11 iron core Japanese EI type power transformer specially designed for this machine
- Use 12AX7 and 12AU7 vacuum tubes for voltage amplification and phase inversion, use EL34 vacuum tube for AB1 push pull power amplification; provide triode and super linear selection function
- Peripheral power tube current adjustment button and current display header
- Infrared function remote control
- Boot mute delay function (about 30 seconds)
- Japanese ALPS motor potentiometer
- Easy to install plug in vacuum tube protection cover
Technical Specifications
- Rated output power:
20W (RMS triode working state)
35W(RMS super linear working condition) - Frequency response: 10HZ~40KHZ
- Total Harmonic Distortion: 1% (1KHZ)
- Signal to Noise Ratio: 90DB
- Input sensitivity: 260MV
- Input impedance: 100 KΩ
- Output impedance: 4Ω, 8Ω
- Headphone output impedance: 30Ω 300Ω
- Power supply voltage: ~230V±5% (50HZ) ~115V±5% (60HZ)
- Dimensions (WxDxH): (396 X 340 X 200) MM
- Vacuum tube: EL34X4, 12AU7X2, 12AX7X2
- Net weight: 18KG
- Power consumption of the whole machine: 260W
- Amplifier is NOT Bluetooth enabled
Tube Amplifier Precaution
- Tube amp must connected with speakers before turning ON. Strictly prohibit send signals to amp without connected loads(speakers) or load short circuit when the switch is ON.
- Too high or too low power supply voltage does irreversible harm to the amp,preferably less than 5% of the specified voltage. If your mains voltage exceeds this value, often best to use with the AC power supply.
- Temperature is higher when tube amps working, placing attention to ventilation, cooling.
- In the boot or just shut down for a period of time (within 30 minutes) Do not spill liquid on the tubes.
- You should take about 100h time to operate the amp.RUN-IN to the amp gives it’s best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.
- If you donot sure how to plug the tubes, please contact us before try it
Speakers connection:
All tube amplifier used with stereo mode: L(left) and R(right) speakers.
Normally there are 6 speaker cable connectors: +8L, +4L, -0L, -0R, +4R, +8R
Example: +8L and -0L are for connecting with your Left 6-8ohms speaker
-0R, +4R is for connecting with your Right 4ohms speaker