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Old 18th Oct 2021, 11:00 am   #51
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
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Default Re: Thorn DC43 deck valve mono tape recorders - bias setting and head markings querie

Quote:
Originally Posted by DMcMahon View Post
For the Bias set-up how do you determine peak recording level, to be able to set to the 20dB level below peak frequency response recording ?
8 volts RMS between tag 21 and chassis so far as I can make out from the instructions posted, -20dB is 800mV with reference to that.

Lawrence.
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