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November 30, 2021, 01:46:22 PM

Author Topic: Power Transformer Secondary Test  (Read 67 times)

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Offline Aural Robert

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Power Transformer Secondary Test
« 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 -> Paramount 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

Online Paul Birkeland

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Re: Power Transformer Secondary Test
« 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