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. Jon