In Reply to: RE: rebuilt tympani posted by john65b on February 15, 2015 at 05:50:04:
Not quite. The T-IVa has the same 2 ohm ribbon that the IIIa had; 20.1s have the (narrower) 3 ohm ribbon that 3.Xs have. I believe the 3 ohm ribbon sounds just a bit better than the earlier one.So that is how you take some T-IVas to the max:
1. replace each mid panel with a string of Neo8s, and
2. replace the older ribbon with the newer one (which I believe is about 1/2" longer).That is my long term plan for my 'Frankenpans' ... which are essentially T-IVas with only 1 bass panel each side. (They are made from a T-IVa mid / ribbon frame coupled with a 2.5 bass panel - but with hardwood frames, not MDF.)
Regards,Andy
Edits: 02/15/15
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Follow Ups
- "The T-IVa and the 20.1 ... basically have the same tweeter ribbon driver" ... - andyr 18:27:59 02/15/15 (1)
- RE: "The T-IVa and the 20.1 ... basically have the same tweeter ribbon driver" ... - Roger Gustavsson 23:29:02 02/15/15 (0)