2P Cossor AC042 PA20 directly heated audio output triodes carbon anode quartet

Cossor 2P black plate £ 600 quartet

Description

The 2P Cossor was introduced in 1939 by Alfred Cossor works in Clerkenwell London.

The use of the 2P was primarily for radio set and able to produce 6Watts.

The 2P is a well known triode these days and can be somehow compared to the sound of the 2A3.

DIY amplifiers are the best option for such a valve when working in push/pull with high mA/V.

Characteristics

Filament Volts 2

Filament Current 0.7 Amps

Anone Volts 250

Negative Grid ~22

Anode mA 40

Mutual Ciundtance 7

Cossor 2P tested with ASVO VCM 163

Cossor 2P tested 37mA

Cossor 2P tested 35mA

Cossor 2P tested 36mA

Cossor 2P tested 37mA

100% emission and working order.

 

 

Reviews

There are no reviews yet.

Be the first to review “2P Cossor AC042 PA20 directly heated audio output triodes carbon anode quartet”

Your email address will not be published. Required fields are marked *