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Ampex AG-350 and AG-440 compatibility
Old 14th April 2016
Gear Maniac
๐ŸŽง 10 years
Ampex AG-350 and AG-440 compatibility

Hi there!

I have the deck of a portable (eletronics, transport) Ampex AG-350 (yes, AG-350). I don't have the preamps. But I have a complete Ampex AG-440 4 tracks, which appears to be compatible.

So, I'd like to know if it is possible to test the motors and heads of the AG-350 with the electronics of the AG-440.

Anybody knows?


Old 15th April 2016
Lives for gear
๐ŸŽง 15 years
Ag-350 / ag-440

The AG-440 reproduce electronics are designed for low impedance heads.
The AG-350 repro head is high impedance.
That is just the start of the hassle.
If you mounted a low Z repro head on the AG-350,
AG-440 electronics would playback just fine.

The "magic" of the AG-350 is in the germanium transistors and class A line output stage,
no so much the transport.
Old 15th April 2016
Gear Maniac
๐ŸŽง 10 years
Ok, so what is the best way to test the electronics (motors, switches and heads of the transport, then?
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