Willsenton R-11 Pre-Amplifier Phono Stage EH6922 Tube Preamp MM/MC Balance (Silver)

Description

• Adopting a specially developed square power transformer for this machine.
• The circuit of this machine uses 4x 6922 vacuum tubes.
• Five sets of signal inputs (PHONO, CD, AUX1, AUX2, BALANG)
• High voltage power supply uses 2x6Z4 vacuum tubes for gallbladder rectification.High and low frequency adjustment functions, with a direct selection switch added.
• Infrared function remote.

Feature:
Adopting a specially developed square power transformer for this machine.
The circuit of this machine uses 4x 6922 vacuum tubes.
Equipped with PHONO input MC/MM switching function.
High voltage power supply uses 2 6Z4 vacuum tubes for gallbladder rectification.
High and low frequency adjustment functions, with a direct selection switch added.
Five sets of signal inputs (PHONO, CD, AUX1, AUX2, BALANG)
Infrared function remote control.
Equipped with five feedback adjustment levels, users can freely choose different feedback levels
To achieve diverse sound effects.
This machine has two sets of RCA outputs and - group balanced output functions.
Power on delay function (approximately 30 seconds)
Select imported A-L-P-S high-end potentiometer.

Specifications
Gain: 18dB
Frequency response: 15Hz-35KHz (-3DB)
Harmonic distortion: 0.9% (1KHz, weighted by A)
Signal to noise ratio: 93DB A weighted
Input sensitivity: 360mV
Input impedance RCA: 100K
Input impedance balance: 47K
Output impedance RCA: 5K
Output impedance balance: 1K
Vacuum tube: 6922EHx4, 6z4x2
Net weight: 17kg
Whole machine volume (WxDxH): 431 x 410 x 130 mm
Power supply voltage: 115V~230V+5% (50Hz)
Power consumption: 45W

PHONO specifications
Gain MM: 48dB
Gain MC: 72dB
Harmonic distortion: 0.06%, (1KHz, weighted by A)
RIAA bandwidth:+0.5dB (20Hz-20KHz)
Input sensitivity MM: 6mV
Input sensitivity MC: 0.5mV
Input impedance MM: 47K (approximately)
Input impedance MC: 1202 (approximately)
Signal to noise ratio MM: 85dB A weighted
Signal to noise ratio MC: 75dB A weighted

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