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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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It is currently 19 Feb 2019, 01:06

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PostPosted: 07 Dec 2017, 22:09 
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Joined: 06 Jun 2008, 18:23
Posts: 5022
Location: Australia
I just end posted this on a local DIY forum; "Soon after I posted images etc. of Sanctum my latest tube HP amp I said there was some distortion on some heavier tracks. I blamed Sanctum.

It turns out the problem was between the Pi HDMI output and the HDMI audio ripper. It appears the Pi can slightly over drive the ripper and cause some clicking sounds. If I drop the Pi output by 10% all is good. I was originally blaming the HP amp Sanctum to find the amp was not the culprit but the audio ripper.

I must inform the new owner of the findings".

Projects: "Grace" - Psvane 6SN7-SE Globe preamp | | "VoXUno" - Single driver MarkAudio 12P speaker | | "Lagoon Take 2" - Single stage tube preamp | Website: retro-thermionic

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