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Old 22nd Nov 2018, 6:59 pm   #16
barrymagrec
Octode
 
Join Date: Dec 2017
Location: Morden, Surrey, UK.
Posts: 1,552
Default Re: Ferrograph S3 and S4 help with some issues please

The bias setting marked on the machine would would have been for their badged "Ferrotape" which was probably EMI H77 or near offer.
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