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Post by paradisecs on Jan 29, 2018 22:15:11 GMT
Is there a cross-reference somewhere that shows what amps are interchangeable? Or are all the TSA amps backwards compatible? I have an LS1 that doesn't have an amp so I can't even test it. I may be able to get a TSA8 or TSA10 but will those work in the LS1? I'm not near my books and manuals right now so I'm not sure if this info is already in there.
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Post by Ron Rich on Jan 29, 2018 23:39:23 GMT
TSA-1 and -3 are interchangeable, with each other only, as long as the (optional) DS speakers are not used. TSA 4-9 are interchangeable--just plug and play--HOWEVER, audio quality may not be ideal, with an alternate amp in an individual model. TSA 10 will fit, but the volume control is not attached. SHP amps, will fit--same volume control requirements, BUT, should NEVER be used as the air vent is not properly positioned for use that way. Ron Rich
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Post by robnyc on Jan 30, 2018 2:33:12 GMT
I partially disagree with Ron here; TSA-1-4 have input stages designed for the T-stylus carts. These have a lower output and impedance than those used from 1966-end. The result is that the input stage is mis-biased dues to Seeburg's goofy design and slightly overloaded when using a 345 (yellow styli) cart on the older amps. You'll get a muddy and excessively bassy sound.
TSA -1-3 are designed for 16 ohm loads, thereafter all Seeburg amps were for 5 ohm.
For your machine a TSA-5 through 9 or a 10 -w/external volume control will match both cart and speakers.
RobNYC
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Post by Ron Rich on Jan 30, 2018 3:43:37 GMT
Rob,
We agree--that's part of what the "HOWEVER" above was---
Ron Rich
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