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Old 25th Nov 2019, 12:50 pm   #89
barrymagrec
Octode
 
Join Date: Dec 2017
Location: Morden, Surrey, UK.
Posts: 1,560
Default Re: Ferrograph 4A: Restoration advice needed

Quote:
Originally Posted by Boulevardier View Post
TopTip - "Question is, where do you find a “tape reproduce preamp”?"

It's not a big deal to build your own - a few op-amps and a handful of resistors and capacitors. I can vouch for the tape pre-amp in the Stuart tape circuits (Wireless World, 1970s). Very simple and excellent quality - well up to semi-pro standard.

Mike
You would need transformers to match it to the low impedance Ferrograph heads though.

I was always confused by the lack of a hf response trimmer when the circuit first came out.
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