Film-Tech Forum ARCHIVE: Dolby cat 92 pre-amp cards.

This is topic Dolby cat 92 pre-amp cards. in forum Film Handlers' Forum at Film-Tech Forum ARCHIVE.

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Posted by Stephen Furley (Member # 1277) on 12-07-2002, 01:38 PM:

I have two different versions of this card, the 92-3 and the 92-4. The 92-4 seems to have four extra capacitors, two extra resistors and one extra diode, all close to the relay, but is otherwise very similar. does the cat 92-4 have any great advantage over the 92-3? What other versions are available. I want to buy four more of these cards, are there any versions I should avoid?

Posted by Steve Kraus (Member # 476) on 12-07-2002, 04:59 PM:

Does the 92-3 still give you the MF adjustment or was that an even earlier version that lacked that?

The silver transformer version is better than the black transformer type. The later transformerless ones (with all pots facing the front) is best of all. I've used all three but have no experience with the MPU's made by SMART or PanaStereo which a lot of people like.