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SSE OPT question

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zimmer64

zimmer64

Member
Joined 2012
zimmer64.wordpress.com
Hi there,

So far I have only build full kit amps. I am not an engineer, but have managed to survive building 2 chip amps, 2 tube power amps and two tube preamps (Bottlehead and Tubes4hifi). :D

I have now ordered the SSE PCB from George and am looking at parts. I intend to use quality parts such as Kiwame or Mills resistors and Mundorf caps (in the signal path). So far so good.

From what I read on this forum is that the Edcor CXSE25-8-5K OPT is the one most people go for. The dilemma is, that I have both 4 and 8 ohm speakers.

Here is my question: Can I use 4 ohm speakers with the 8 ohm Edcors or is there an equal or better OPT of a different manufacturer that is recommended?

Appreciate any advise.

Kind regards

Michael
 
A

apnneto

Member
Joined 2011
Bob,

For some noise in the speakers you can use an output transformer with primary ranging from 1k to 20k and the secondary between 2 and 32 ohms. Surely, you will get some noise, even for a short time. However, to ensure the output to track the project, you can not use any transformer. You must be within the specified.

Regards,

Antonio
 
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