SOLD: 708B tube headphone amp/ pre-amp

[nakedtoes 0]

 

Amp's volume port change to ALP blue. Info as below:

 

 

Specification as below:

Input impedance: 100K ohm

Pre amp output impedance: 50K ohm

Headphone output impedance: 32-600 ohm

S/N ratio: 89dB

Frequency response: 20-30K Hz

Distortion: <=0.01%

Headphone output power: 500mW-250mW

Weight: 2.5Kg

 

Component used:

WIMA MKP Capacitor.

Metal film transistor.

High efficiency low leakage R-type transformer.

Teflon silver placted internal signal cable.

Larger casing better heat dissipation then the 708A.

Tube: 6N3 x 1, 6N11 x 2, 6Z4 x 1, 6N1 x 1

 

Tube rectified power supply, no negative feedback circuitry.

A HI-END pre and headphone amplifier at a much lower cost.

Edited July 1, 2006 by nakedtoes

[Tetsusaiga 0]

How much??