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Model 90 (45 p-p)
#4

So it is 0.175 times 9K, which is 1.6K.
You want around 8K-9K.

3W would be sufficient for your power for the transformer.
125B Hammond is sufficient electrically.
If you find out the size and the distance between the holes is closer to 125C, use that one. I think I used 125C for K speaker.
You want to use 2 & 3 leads for the Voice coil; this at 0.7 Ohm will give you 9K, which is about what you need.
Though 3 & 4 will also work.

https://www.hammfg.com/electronics/trans.../125a-125e

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.


Messages In This Thread
Model 90 (45 p-p) - by TimG - 05-15-2024, 05:04 PM
RE: Model 90 (45 p-p) - by morzh - 05-15-2024, 07:23 PM
RE: Model 90 (45 p-p) - by TimG - 05-15-2024, 09:05 PM
RE: Model 90 (45 p-p) - by morzh - 05-15-2024, 10:14 PM
RE: Model 90 (45 p-p) - by TimG - 05-15-2024, 11:40 PM



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