DEC R80 HDA details

Jon Elson elson at
Fri May 31 10:12:04 CDT 2019

On 05/30/2019 10:56 PM, Tony Duell via cctalk wrote:
> [1] I feel DEC got one thing wrong here. The preamplifier 
> ICs are inside the HDA and thus can't be replaced.
This was pretty common practice in a number of drives from 
that period.  Now, it is common for the read amps to be on 
the individual hear arms, to get them closer to the heads.


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