Real tape drive densities

Al Kossow aek at bitsavers.org
Mon Feb 15 09:49:44 CST 2016



On 2/15/16 2:32 AM, Christian Corti wrote:
>
> I've added another picture of a closeup of the R/W head. In my opinion 
> it's a 9 track read-after-write head. The geometry and gaps are 
> identical to those of the adjacent 7970B 800bpi-only tape drive we have.
I have two 7/9 track HP drives, and a bunch of head stacks. There is no 
erase head. The 7 and 9 track head stacks sit next to each other. I may 
have time to dig them out and take pictures at some point this month.





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