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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: P.S. posted by Dan Banquer on January 31, 2007 at 09:23:54:
I first used the Motorola complementary pair: the 2N3716, 2N3792, the very first complementay pair available to anyone, back in 1967 to make my first power amp. I then graduated to the Motorola 2N5684-6 comp pair in 1969, then the 2N5884-6, and even tried the MJ15003-4, (a disappointing part pair). In 1980, I changed to Fujitsu ring emitter transistors, and got a 1000V/us slew rate, where I got only 100V/us from the MJ 15003-4 with the same drive circuit. Now, this was progress!
Today, I use Toshiba and Sanken ring emitter transistor pairs, and I think that you will find that Motorola (ON) copies the Toshiba devices and markets them as their own.
Let's get real here.
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Follow Ups
- Re: P.S. - john curl 12:40:00 01/31/07 (23)
- Re: P.S. - Dan Banquer 15:58:46 01/31/07 (21)
- You're in good company - E-Stat 16:16:52 02/01/07 (20)
- Fools rush in - Dan Banquer 04:54:08 02/02/07 (19)
- Re: Fools rush in - john curl 12:03:42 02/02/07 (10)
- Re: Fools rush in - Dan Banquer 09:08:07 02/03/07 (7)
- Re: Fools rush in - john curl 12:05:38 02/03/07 (6)
- Re: Fools rush in - Dan Banquer 12:18:10 02/03/07 (5)
- P.S. - Dan Banquer 12:59:23 02/03/07 (4)
- Re: P.S. - john curl 15:59:04 02/03/07 (3)
- Boy, this is getting pathetic - E-Stat 08:04:50 02/04/07 (2)
- Depends on which Webster you are referring to... - Wellfed 10:32:07 02/04/07 (1)
- Not this one! - E-Stat 18:43:51 02/04/07 (0)
- Thanks for the breath of fresh air in this stale discussion - E-Stat 16:45:43 02/02/07 (1)
- Re: Thanks for the breath of fresh air in this stale discussion - john curl 17:41:18 02/03/07 (0)
- They sure did! - E-Stat 06:11:43 02/02/07 (7)
- As usual you............. - Dan Banquer 06:22:20 02/02/07 (6)
- The VTLs are not problematic high feedback designs, Dan - E-Stat 06:32:08 02/02/07 (5)
- You missed the point - Dan Banquer 06:37:08 02/02/07 (4)
- You continue to leave out the important qualifier - E-Stat 06:52:11 02/02/07 (3)
- P.S. - Dan Banquer 07:35:14 02/02/07 (1)
- "The issue is not negative feedback and never really has been" - E-Stat 07:56:03 02/02/07 (0)
- You really don't understand the issues involved. - Dan Banquer 07:07:18 02/02/07 (0)
- Oh he's real, ... - bjh 12:43:04 01/31/07 (0)
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