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RE: Tri-amping T IV-A's with tubes?

216.158.98.226

Roger Gustavsson

In Reply to: RE: Tri-amping T IV-A's with tubes? posted by UncleMeat on January 14, 2025 at 21:48:01

Here a comparsion of the two bass drivers. The one the left normally sits in the center of the speaker, it is lower tuned. The one on the right is higher tuned. Still, these are bass drivers not very high performing at higher frequencies even if their response is wide band. The basses of the older T-IIIA is flat up to about 4 kHz but does not sound like that.

Edits: 01/15/25

Follow Ups:

RE: Tri-amping T IV-A's with tubes? - UncleMeat 12:26:03 01/15/25 (1)
Yes, understood Roger. My T-IV's don't have a tuning button on the 'low' panel. The mid-bass panel looks similar to what you've posted but the center button is higher, closer to the top support bar than the second one down.
- RE: Tri-amping T IV-A's with tubes? - Roger Gustavsson 02:08:43 01/16/25 (0)
  T-IV is different, thinner magnets too. The low bass driver tuned to 43 Hz and the mid bass to 57-75-88 Hz (from bottom to top).
  
  Edits: 01/16/25

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