USD 9.11USD 9.90

PRT12A bile preamplifier PCB (refer to American Gary CARY-SLP90) free ship

PCB size: 155*177*1.6MM FR4 Class A plate

PRT12A preamplifier reference - US Gary CARY-SLP90 circuit.

This version uses four 12AU7 tubes, all of which work in parallel.

Power supply: high voltage 200-220VAC input, current is not lower than 30MA

Filament: 14VAC input, no less than 0.8A

There are a few pieces that are slightly special, players can refer to it, if there is no substitute on hand, you can buy it together in the store:

1. High-pressure adjustment tube: designed as K2700, can be replaced by IRF830

2, high voltage regulator tube: designed for 5W 130V, quantity 2

Note: This is a bare PCB and does not contain any equipment.

12.5 12.6 12.8 M.1 M.2

Brand Name : GZbotolave

Channels : 2 (2.0)

Package : Yes

Model Number : PRT12A

Maximum Power Per Channel : NO POWER