" Solid state devices are not as linear as tubes..., so a feedback circuit is required"

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Topic - What Makes SET Amps Tick? - PaulF70 18:19:22 05/16/25 (131)

RE: What Makes SET Amps Tick? - PaulF70 18:55:35 05/31/25 (0)

RE: What Makes SET Amps Tick? - PaulF70 17:45:24 05/21/25 (5)

If that amp makes about 7 Watts - Ralph 13:13:29 05/22/25 (4)

RE: If that amp makes about 7 Watts - PaulF70 09:03:45 05/23/25 (3)

What PP amp did you use - Ralph 10:52:14 05/27/25 (2)

RE: What PP amp did you use - PaulF70 17:10:30 05/28/25 (1)

Uh, no you didn't. - Ralph 08:41:56 05/29/25 (0)

If they work properly they don't tick. - Ralph 13:00:24 05/20/25 (37)

Blameless amplifiers... - cellailuca 03:13:54 06/21/25 (0)

RE: If they work properly they don't tick. - PaulF70 17:57:55 05/20/25 (35)

RE: If they work properly they don't tick. - Ralph 08:44:34 05/21/25 (24)

RE: If they work properly they don't tick. - morricab 11:56:30 05/21/25 (21)

Apparently you and he don't know the difference between class B and C nt - Ralph 12:50:33 05/21/25 (20)

Self defense - 13th Duke of Wymbourne 16:41:06 05/21/25 (19)

RE: Self defense - Ralph 09:46:00 05/22/25 (18)

Crossing over - 13th Duke of Wymbourne 13:03:24 05/24/25 (17)

RE: Crossing over - Ralph 10:26:50 05/27/25 (15)

RE: Crossing over - PaulF70 09:42:38 05/28/25 (14)

No, that's not the same. - Ralph 10:40:39 05/28/25 (13)

RE: No, that's not the same. - PaulF70 19:56:13 05/28/25 (12)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - Ralph 08:25:58 05/29/25 (11)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - PaulF70 09:12:56 05/30/25 (10)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - PaulF70 16:49:21 06/02/25 (5)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - morricab 23:27:10 06/02/25 (4)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - PaulF70 21:16:27 06/03/25 (3)

Time for some feedback - 13th Duke of Wymbourne 01:11:08 06/04/25 (2)

The only issue here is what is the actual class of operation. - Ralph 08:53:13 06/23/25 (0)

RE: Time for some feedback - morricab 07:48:44 06/05/25 (0)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - morricab 12:11:35 06/01/25 (3)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - PaulF70 17:28:17 06/04/25 (1)

RE: No, I'm saying we don't know what is really happening here due to the use of innuendo - morricab 07:49:38 06/05/25 (0)

Clearly you're not in a position to know. nt - Ralph 07:46:14 06/03/25 (0)

RE: Crossing over - PaulF70 08:47:33 05/25/25 (0)

RE: If they work properly they don't tick. - PaulF70 11:48:28 05/21/25 (1)

RE: If they work properly they don't tick. - Ralph 12:48:52 05/21/25 (0)

RE: If they work properly they don't tick. - morricab 00:41:22 05/21/25 (9)

RE: If they work properly they don't tick. - PaulF70 13:08:25 05/21/25 (4)

I doubt that is due to crossover distortion - Ralph 13:05:45 05/22/25 (0)

RE: If they work properly they don't tick. - morricab 08:25:12 05/22/25 (2)

RE: If they work properly they don't tick. - PaulF70 09:48:39 05/28/25 (0)

Yes, its not transformer insulation! - Ralph 13:02:59 05/22/25 (0)

Ever consider writing novels? - Ralph 08:45:46 05/21/25 (3)

RE: Ever consider writing novels? - morricab 12:01:13 05/21/25 (2)

So please explain what class C is - Ralph 12:51:45 05/21/25 (1)

RE: So please explain what class C is - morricab 06:32:40 05/22/25 (0)

RE: What Makes SET Amps Tick? - Geofdillon@gmail.com 23:10:07 05/18/25 (21)

RE: What Makes SET Amps Tick? - morricab 00:45:33 05/21/25 (20)

RE: What Makes SET Amps Tick? - 13th Duke of Wymbourne 18:45:16 05/21/25 (6)

Read Cheever's thesis...it's easy to do... - morricab 06:27:25 05/22/25 (5)

Problems with Cheever's thesis - Ralph 10:59:58 05/22/25 (4)

RE: Problems with Cheever's thesis - morricab 09:30:48 05/26/25 (3)

RE: Problems with Cheever's thesis - Ralph 09:08:52 05/27/25 (2)

RE: Problems with Cheever's thesis - morricab 12:18:07 06/01/25 (1)

This seems in contradiction to another post you made - Ralph 08:23:50 06/02/25 (0)

RE: What Makes SET Amps Tick? - Geofdillon@gmail.com 13:18:06 05/21/25 (0)

This statement is false. - Ralph 11:37:31 05/21/25 (11)

Not according to Cheever - morricab 12:04:08 05/21/25 (10)

And the possiblity you are quoting him correctly is?? - Ralph 12:53:49 05/21/25 (9)

Read his thesis why don't you? - morricab 06:15:47 05/22/25 (8)

RE: Read his thesis why don't you? - 13th Duke of Wymbourne 13:40:37 05/24/25 (6)

RE: Read his thesis why don't you? - morricab 09:35:49 05/26/25 (5)

RE: Read his thesis why don't you? - 13th Duke of Wymbourne 13:31:05 05/26/25 (4)

RE: Read his thesis why don't you? - morricab 06:36:01 05/27/25 (3)

RE: Read his thesis why don't you? - 13th Duke of Wymbourne 13:38:06 05/28/25 (2)

RE: Read his thesis why don't you? - morricab 12:22:15 06/01/25 (1)

RE: Read his thesis why don't you? - 13th Duke of Wymbourne 16:31:15 06/01/25 (0)

Read it years ago. - Ralph 10:20:25 05/22/25 (0)

RE: What Makes SET Amps Tick? - AbeCollins 06:07:02 05/18/25 (7)

An effective solution - E-Stat 16:00:28 05/18/25 (4)

Not looking for a solution - AbeCollins 15:34:35 05/19/25 (1)

Which has become a non issue for the informed -nt - E-Stat 15:54:23 05/19/25 (0)

RE: An effective solution - MaggiesAndCats 07:02:53 05/19/25 (1)

Herbie's used on amps - E-Stat 13:15:05 05/19/25 (0)

RE: What Makes SET Amps Tick? - Tre' 08:13:50 05/18/25 (1)

Good point! - nt - AbeCollins 15:35:01 05/19/25 (0)

RE: What Makes SET Amps Tick? - hahax@verizon.net 19:17:17 05/16/25 (55)

RE: What Makes SET Amps Tick? - mgbpuff 06:11:41 05/17/25 (53)

that's correct -- it's the "SE" not the "T"... - mhardy6647 08:13:16 05/17/25 (52)

RE: that's correct -- it's the "SE" not the "T"... - hahax@verizon.net 20:43:51 05/17/25 (0)

RE: that's correct -- it's the "SE" not the "T"... - mgbpuff 09:05:46 05/17/25 (50)

No amplifying devices are linear - 13th Duke of Wymbourne 08:06:29 05/19/25 (36)

Yes but some devices are a lot more linear than others - Tre' 07:15:36 05/20/25 (35)

RE: Yes but some devices are a lot more linear than others - 13th Duke of Wymbourne 18:40:26 05/20/25 (34)

RE: Yes but some devices are a lot more linear than others - hahax@verizon.net 22:16:20 05/21/25 (23)

Distortion and frequency response are good starting points - 13th Duke of Wymbourne 23:38:20 05/21/25 (22)

RE: Distortion and frequency response are good starting points - Ralph 11:14:00 05/22/25 (17)

RE: Distortion and frequency response are good starting points - PaulF70 08:38:25 06/01/25 (3)

Totally agree! - Ralph 08:24:29 06/02/25 (0)

Distortion vs power - 13th Duke of Wymbourne 11:54:51 06/01/25 (1)

RE: Distortion vs power - morricab 08:49:28 06/17/25 (0)

RE: Distortion and frequency response are good starting points - 13th Duke of Wymbourne 18:11:01 05/23/25 (12)

RE: Distortion and frequency response are good starting points - Ralph 10:46:12 05/27/25 (10)

RE: Distortion and frequency response are good starting points - morricab 12:32:27 06/01/25 (1)

Correct. - Ralph 08:22:36 06/02/25 (0)

Pedantically, our ears use the pressure of the sound to sense the sound pressure - 13th Duke of Wymbourne 16:54:56 05/29/25 (7)

Its easy to show that higher ordered harmonics are what the ear uses - Ralph 08:26:40 05/30/25 (6)

RE: Its easy to show that higher ordered harmonics are what the ear uses - morricab 12:36:12 06/01/25 (3)

:) so which is it? - Ralph 08:21:22 06/02/25 (2)

RE: :) so which is it? - morricab 07:50:41 06/05/25 (1)

You misread my prior post. Please go back and read it again. nt - Ralph 09:12:14 06/20/25 (0)

I retain my title as Most Pedantic Inmate - 13th Duke of Wymbourne 19:28:47 05/31/25 (1)

RE: I retain my title as Most Pedantic Inmate :) - Ralph 08:57:38 06/02/25 (0)

RE: Distortion and frequency response are good starting points - morricab 10:05:15 05/26/25 (0)

RE: Distortion and frequency response are good starting points - morricab 06:14:16 05/22/25 (3)

RE: Distortion and frequency response are good starting points - PaulF70 08:25:03 05/24/25 (2)

chaotic behavior - Ralph 07:55:21 06/03/25 (0)

RE: Distortion and frequency response are good starting points - 13th Duke of Wymbourne 15:25:22 05/25/25 (0)

RE: Yes but some devices are a lot more linear than others - morricab 00:49:44 05/21/25 (9)

There is a system that takes advantage of psychoacoustics - 13th Duke of Wymbourne 23:40:17 05/21/25 (1)

I know another one...- - morricab 12:44:28 06/01/25 (0)

A straight wire with gain wouldn't work right with most speakers - Ralph 09:08:20 05/21/25 (6)

RE: A straight wire with gain wouldn't work right with most speakers - PaulF70 08:31:42 05/24/25 (3)

RE: A straight wire with gain wouldn't work right with most speakers - PaulF70 09:37:40 05/28/25 (1)

Yes, and - Ralph 07:48:53 06/03/25 (0)

RE: A straight wire with gain wouldn't work right with most speakers - Ralph 10:33:40 05/27/25 (0)

Its a sonic metaphor...-DUH! - morricab 12:05:44 05/21/25 (1)

Yes. And its one that doesn't hold up if you think about it just a little bit. nt - Ralph 12:54:33 05/21/25 (0)

" Solid state devices are not as linear as tubes..., so a feedback circuit is required" - 1973shovel 04:16:57 05/18/25 (9)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - morricab 00:52:55 05/21/25 (5)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - hahax@verizon.net 22:18:20 05/21/25 (1)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - morricab 12:56:38 06/01/25 (0)

FWIW Ayre solid state amps are zero feedback and don't use SITs nt - Ralph 09:02:11 05/21/25 (2)

And? Never said it had to be SITs... - morricab 12:29:33 05/21/25 (1)

Yes. It was FWIW, just pointing it out nt - Ralph 13:17:28 05/21/25 (0)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - mgbpuff 11:30:56 05/18/25 (2)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - hahax@verizon.net 20:51:00 05/18/25 (1)

Not correct - E-Stat 13:29:42 05/19/25 (0)

RE: that's correct -- it's the "SE" not the "T"... - hahax@verizon.net 20:42:03 05/17/25 (0)

yes, I am -- ahem -- rather familiar with SE DHT amplification - mhardy6647 18:37:10 05/17/25 (1)

RE: yes, I am -- ahem -- rather familiar with SE DHT amplification - morricab 00:55:21 05/21/25 (0)

RE: What Makes SET Amps Tick? - PaulF70 19:38:29 05/16/25 (0)

Follow Ups

" Solid state devices are not as linear as tubes..., so a feedback circuit is required" - 1973shovel 04:16:57 05/18/25 (9)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - morricab 00:52:55 05/21/25 (5)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - hahax@verizon.net 22:18:20 05/21/25 (1)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - morricab 12:56:38 06/01/25 (0)

FWIW Ayre solid state amps are zero feedback and don't use SITs nt - Ralph 09:02:11 05/21/25 (2)

And? Never said it had to be SITs... - morricab 12:29:33 05/21/25 (1)

Yes. It was FWIW, just pointing it out nt - Ralph 13:17:28 05/21/25 (0)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - mgbpuff 11:30:56 05/18/25 (2)

RE: " Solid state devices are not as linear as tubes..., so a feedback circuit is required" - hahax@verizon.net 20:51:00 05/18/25 (1)

Not correct - E-Stat 13:29:42 05/19/25 (0)

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