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- Tue Aug 02, 2016 7:53 am
- Forum: JLM Audio Kits
- Topic: BA BA2 BA4 BAD Dual99v Build Thread
- Replies: 333
- Views: 293454
Hi, I've recently bought a BA4 with JLM14 input transformers, 2 x 99v and 2 x OPA. I've been reading this thread and the 50+ pages at group DIY and have a few questions: - would it be possible to select 1:4/1:8 ratio on the transformer by mounting a switch that selects either the green or the black ...