*  4P1L Single Ended Amplifier D.I.Y No2

Flag Counter

this counter started 6th Jan 2023

slow train

Slow Train

ISO Tang FC-12S

Fc-12S    FC-12S

this amplifier using FC-12S ISO Tokyo Japan

3rd party transformer are increasing price for covid 19 so this time using ISO Tokyo Japan's famous transformer for audio FC-12S very good quality.


Filament Voltage: 2.1/4.2 volts @ 650mA/325mA respectively
Recommended anode voltage: 200V with 150V on the screen
Maximum operating voltage 250V anode or screen.
Maximum cathode current: 50mA
Anode dissipation: 7.5W
Screen dissipation: 1.5W

4P1L charactor by russian

Last update 3rd Jan 2023

Since 4P1L SE Amplifier circuit on 19th May 2014 Sakura Chiba Japan

7th Avenue

Single Ended Amplifier D.I.Y

How to build up Amplifier Single Ended Amplifier 2004-2023