On 4/23/20 12:12 PM, Al Kossow via cctalk wrote:
The 9800 is the 8" little brother to the 9000
tension arm drive. The
service manual
is on bitsavers, it probably has a linear power supply. There is also an
inverter
supply shown but that is probably for special applications.
That's the one that Sellam was selling, IIRC. Incremental (i.e stepper)
drive. Great for key-to-tape application.
--Chuck