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RE: Tri-amping T IV-A's with tubes?

124.189.0.93

In Reply to: RE: Tri-amping T IV-A's with tubes? posted by AkuAnkka on November 17, 2024 at 08:45:52

I actively tri-amped my IIIAs (and their replacement ... my 'Frankenpans' - which used T-IVA mid panels and ribbons) for 25 years without using a series cap on the ribbons. I didn't blow a ribbon, ever - although it should be noted I was using ss amps which had a lot more power than you are thinking of! (120w into 4 ohms - and built to be able to drive 2 ohms!)

I think driving even 3 ohm ribbons with a tube amp would be non-optimal; perhaps you should use 'autoformers'?

Follow Ups:

I have 20 BG NEO-8 available if someone wants to try the swap. - goryu 04:09:33 12/05/24 (1)
Message me if you are interested. Thanks.
- RE: I have 20 BG NEO-8 available if someone wants to try the swap. - josh358 14:19:35 12/06/24 (0)
  Great choice, and super easy to do. You do have to pad them down unless you triamp.

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