Drives which used an MC3470A head-amp

[Tony Duell]

> 
> On 28 Nov 2010 at 9:40, Philip Pemberton wrote:
> 
> > Although whether I've got enough clearance to shove a PDIP chip in
> > there without fouling the drive belt or flywheel is another question
> > entirely...
> 
> Well, the 592 does come in an 8-pin PDIP if that's any help.

I have never sene that version used in a disk drive, and I think for a 
good reason. The 8 pin package doesn't bring out at least one pair of the 
'gain select' pins. These are common used in disk drive read amplifiers 
to connect am LCR network to set the frequency respsonce of the 
amplifier.

-tony