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Old 26th Oct 2020, 9:30 pm   #29
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Ferrograph Quiet Crackly Audio

Route to main HT:

HT from osc coil>>Pin 4 of SK4>>Pin 4 of PL4 (from here on also includes HT feed to anode of meter amplifier)>>Pin 7 of SK1>>Pin 7 of PL1>>Connection F on tape deck>>R2>>Switch 1C when set to Record>>Connection 4 on tape deck>>Pin 6 of SK3>>Pin 6 of PL3>>Main HT at the junction of C33/L5.

If that's any help.

Lawrence.

Last edited by ms660; 26th Oct 2020 at 9:57 pm. Reason: missing word...of
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