Power Transformer Secondary Test

Aural Robert · 3832

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Offline Aural Robert

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on: October 16, 2021, 08:28:03 AM
Good morning all.

I've started my build and the secondary voltages don't measure correctly. My line voltage is 119V +/- so I used the wiring instructions on pg 31.

I get the right voltages at 7 & 9, but 0L at 11 and 12 on both amps. Not sure what I'm doing wrong here. Any advise or troubleshooting tips? I've built at least 8 other BH pieces with no issues. Replies appreciated.

TIA. Aural Robert.

Origin Live Calypso TT w String Theory arm & Shure V15VxMR, Eros or BH DAC -> BeePre -> MonAmor 2A3s w JJ's => Blumestein Bamboo Tritons on Blumenstein Bamboo stands, AND Enhanced SEX w Sexy spkrs and subs in the WAF zone. DIY Belden 89259 w Eichmann interconnects throughout

Offline Paul Birkeland

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Reply #1 on: October 16, 2021, 08:59:21 AM
Your meter likely isn't autoranging, so you'll need to turn up the AC voltage setting so the voltage coming out of the transformer isn't over limit.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

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