High End Preamplifier Module for TA-E901

The Ultimate HI FI Design Sony ESPRIT

High End Preamplifier Module for TA-E901 and TA-E900 Sony #ESPRIT Replacement

All Resitors are 1206 SMD Thin Film 1% Tolerance

Two Layers PCB

Last Generation #BJT and J-FET

#ALTIUM

#SONY

#HIFIAUDIO

#higend

https://www.facebook.com/Espritaudio/

Philips Amplifier RH 521 Revisited Class AB 50W Project

Power section of Philips RH 521 70's Calss AB Amplifier modified in:

Full Complementary Output Power Stage, Thoshiba 2SC3281 2SA1302 or Sanken 2SC3519 2SA1386

Cascode for VAS Stage

Feedback amount changed

Philips RH 521 Amplifier 

Distortion at 20Vpp

Sony TA-F770ES ES Series MOSFET Amplifier 100W " MOS FET Power Stage" Toshiba 2SK1529 2Sj200

SONY Integrated Stereo Amplifier TA-F770ES
F770ES
Spontaneous Twin Drive
Super Legato Linear
Gibraltar Chassis
MOS FET POWER STAGE

MOS FET Power Stage F770ES

Description....

Toshiba 2SJ200 and Drivers

Inside View

Specifications: