Saturday 23 October, 2021

MUSE TU-20 EH6922 Russia Tube Headphone Pre Amp 6922

This product was added to our catalog on Thursday 27 December, 2012.


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MUSE TU-20 Tube Preamp, Headphone Amplifier.
with very small steps that make it the smallest tube preamp in the world!

Only 65mm x 25mm x 98mm!
With input and HEADPHONE IPHONE/MP3 on the front panel and rear panel input LINE (CD) and a final power output amplificatorie.
Ideal complement for Cap, iPod/MP3. Or to be connected to powered speakers. Great for better sound from your PC.
Audio performance spectacular!


Technical Specifications

Specification of the Headphone Amplifier Unit

Signal-to-Noise Ratio (SNR) 92dB
Power Output: 3.0 Watts per channel on 33 Ohm Headphone
Frequency response: 15 Hz - 100 kHz-1db
Input Impedance: 10k Ohms

Audio Input: CD IN RCA (Left / Right) x 1 [3Vpp max.]

Specification of the Pre Amplifier Unit

Vacuum Tube: 6DJ8/6922 series or 12AU7 series (exchangeable,The machine using the original Russian electro-harmonix 6922)
Signal-to-Noise Ratio (SNR): 92dB
THD + Noise: 0.05% @ 0.15% @ 10k ohm 33 ohm
Audio Input: CD IN RCA (Left / Right) x 1 [3Vpp max.]
Power Socket: (5.5mm/2.1mm) x 1
Audio Output: 3.5mm x 1 OUT
Headphone: OUT (3.5mm) x 1
Audio knob and power switch x 1
Power Indicator (Blue LED under Tube Socket) x1 1 x Volume Knob
Power Supply DC 12V-13V (max.)
Dimensions (W) 68mm x (H) x 68mm (D) 100mm (Does not contain a volume knob and input terminals)

Specification of the AC Adaptor

Universal AC Input: AC 100V-240V/50-60Hz
DC Output: 12V DC 0.5A (6W)
DC Plug: 2.1mm DC
Ripple & Noise: <= 25mV
Over-Load Protection: 105% -150%
Over-voltage Protection: 115% -150%
Dimensions (L) x 65mm (W) 45mm x (H) 32mm

  • Model: MUSE-TU20
  • Shipping Weight: 0.6kg

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