On 8/16/17 11:20 AM, Tony Duell via cctalk wrote:
> But I am not so sure about AGC. I've looked at the schematics for > some 5.25" drives and I can find no AGC circuits. Nor on the Sony > 3.5" full-height 600rpm drives. So I would not be at all surprised if > there was no AGC on this Teac. I suspect so too. I was very surprised the subject was even mentioned on that thread. The closest I've seen to it was a mention in the FD55 manual that the ASIC could change the gain of the preamp from 100X to 200X Matsushita patent 4656533 has a good description of a 1.2 meg read channel
