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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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I have been reading up on the 6SL7 Type tubes - specifically, the 6SU7GTY, the 6SL7GT and the 6188 tube.
While the 6SU7GTY is commonly recognized as a premium 6SL7GT with a micanol base (that does not absorb water vapor and is a very good RF insulator) and factory matched triodes, the 6188 is often referenced as being the same as the 6SU7GTY.
Like the 6SU7GTY, the 6188 does have the micanol base and the factory matched triodes, but the advantage they have over the 6SU7GTY is the plate impedance - which is about 50% lower in the 6188 (25K Ohms vs 50K Ohms).
That makes a huge difference in drive capability - especially with a 300B tube. Likely, the 6188 drives the 300B better than any 6SL7 type tube ever made!
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Topic - 6SL7 VS 6SU7 VS 6188 SETTING THE RECORD STRAIGHT - MP62 15:56:21 07/19/24 (10)
- Drive Capability - Triode_Kingdom 22:14:12 07/19/24 (1)
- Cascaded triodes to achieve a pentode without feedback? - Cleantimestream 02:46:52 08/01/24 (0)
- RE: 6SL7 VS 6SU7 VS 6188 SETTING THE RECORD STRAIGHT - Tre' 16:15:45 07/19/24 (7)
- The 6su7gty also has a plate resistance of 44K - Tre' 19:16:07 07/19/24 (6)
- RE: The 6su7gty also has a plate resistance of 44K - MP62 18:13:06 07/27/24 (5)
- RE: The 6su7gty also has a plate resistance of 44K - Tre' 07:58:27 07/29/24 (4)
- RE: The 6su7gty also has a plate resistance of 44K - MP62 10:13:43 07/29/24 (3)
- RE: The 6su7gty also has a plate resistance of 44K - Tre' 13:03:41 07/29/24 (2)
- RE: The 6su7gty also has a plate resistance of 44K - PakProtector 15:03:02 07/29/24 (1)
- RE: The 6su7gty also has a plate resistance of 44K - MP62 23:13:40 07/31/24 (0)
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