Suitable 18w PT with 12-18v secondary
Moderators: zaphod_phil, Daviedawg, Graydon, CurtissRobin, colossal
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Suitable 18w PT with 12-18v secondary
Hello everybody.
I'm building an 18w as my first valve/tube circuit and I'd like to incorporate some of my solid state circuits (eq, variable mid boost, etc) in the preamp. Not having to use an extra transformer for this would simplify thing quite a bit, so I'm looking for a PT with the normal voltages and an extra winding to power the SS stuff. I haven't been able to find one so far. Could any of you knowledgeable folks point me in the right direction?
Thanks!
I'm building an 18w as my first valve/tube circuit and I'd like to incorporate some of my solid state circuits (eq, variable mid boost, etc) in the preamp. Not having to use an extra transformer for this would simplify thing quite a bit, so I'm looking for a PT with the normal voltages and an extra winding to power the SS stuff. I haven't been able to find one so far. Could any of you knowledgeable folks point me in the right direction?
Thanks!
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- colossal
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Re: Suitable 18w PT with 12-18v secondary
You could add a dedicated, small 12-0-12VAC for a bipolar supply for your SS additions, or have a transformer wound to include the accessory winding. Pretty much all commercially available 18W transformer sets are wound to the original Radiospares specification, so no extra windings. You might reach out to Heyboer or Edcor USA to look into having a custom transformer wound to your specs.
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Re: Suitable 18w PT with 12-18v secondary
Ah! I guess that explains why I couldn't find any. I'll look into custom transformers for my next buildcolossal wrote: ↑Tue 12/17/19 11:25 amYou could add a dedicated, small 12-0-12VAC for a bipolar supply for your SS additions, or have a transformer wound to include the accessory winding. Pretty much all commercially available 18W transformer sets are wound to the original Radiospares specification, so no extra windings. You might reach out to Heyboer or Edcor USA to look into having a custom transformer wound to your specs.
Thanks for replying!
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