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Vaccum tube Equalizer schematic?
Vaccum tube Equalizer schematic?
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Old 18th November 2019, 06:53 PM   #11
EL504 is offline EL504  Netherlands
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Old thread but on topic.

This BBC AM1/11 equalizer looks a lot like the Blonder Tongue Audio Baton.
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Old 19th November 2019, 08:58 AM   #12
kissabout2002 is offline kissabout2002  Italy
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Thank you EL504 looks very interesting project, all the best.....
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Old 21st November 2019, 01:28 AM   #13
PRR is offline PRR  United States
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> This BBC AM1/11 equalizer looks a lot like the Blonder Tongue Audio Baton.

It is nearly exactly the same except for "Pro" input and output interfaces (extra tube for pro output level) and minor addition in the power supply for the added output stage.

I wonder if it really IS a Blonder but modified in the UK for Pro use? (It was also used in US "Pro" work, but the BBC paper shows 8D3 output valve, which is not how we number that type.)
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