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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Crazy technical question posted by Cousin Billy on December 22, 2015 at 13:02:27:
In SE mode, one side of the cartridge is connected to a ground reference and the whole wave form is taken from the other side. You're not missing anything, but you lose the noise-cancelling property of a balanced connection. In SE mode, think of "ground" as a tether which prevents voltage changes (AC or signal) on the side of the circuit connected to ground, so all the voltage that constitutes the signal appears on the hot side. The shield of the cable and the collar of the RCA plug are connected together so that RF on the shield and audio circuit ground see ground (on at least one end of the cable), which is essential to complete the circuit.
In balanced mode, there is no need for a ground connection in the signal carrying cable. By the way, as a reference standard, pin2 of the XLR is connected to the (+) signal and pin3 to the (-) signal. Pin1 is for system ground.
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Follow Ups
- RE: Crazy technical question - Lew 14:13:53 12/22/15 (36)
- Thank you Lew - Cousin Billy 14:39:36 12/22/15 (35)
- RE: Thank you Lew - Caucasian Blackplate 21:02:18 12/27/15 (3)
- Now I am wondering if you know how our circuits actually work. - Ralph 09:08:10 12/28/15 (2)
- RE: Now I am wondering if you know how our circuits actually work. - Caucasian Blackplate 10:13:12 12/28/15 (1)
- We actually predate Allen Wright in this department :) - Ralph 10:46:53 12/28/15 (0)
- RE: Thank you Lew - Lew 16:15:15 12/22/15 (30)
- I've developed a 'Balanced' crossover for my speakers - Cousin Billy 00:37:51 12/23/15 (29)
- RE: I've developed a 'Balanced' crossover for my speakers - Lew 10:57:33 12/23/15 (28)
- Lew, I'll try to explain - Cousin Billy 16:51:54 12/23/15 (27)
- RE: Lew, I'll try to explain - ahendler 17:46:10 12/23/15 (26)
- Balanced cables can have an advantage even if only 6" long. - Ralph 09:07:55 12/24/15 (18)
- RE: Balanced cables can have an advantage even if only 6" long. - ahendler 20:01:02 12/24/15 (17)
- Dear Alan - Lew 10:21:31 12/25/15 (16)
- RE: Dear Alan - ahendler 13:32:02 12/25/15 (15)
- Actually,... - Lew 15:40:16 12/25/15 (14)
- RE: Actually,... - ahendler 20:18:34 12/25/15 (13)
- RE: Actually,... - cpotl 22:54:32 12/27/15 (1)
- Thanks. - Lew 05:42:21 12/28/15 (0)
- single ended OTL? - Cousin Billy 02:02:20 12/26/15 (10)
- RE: single ended OTL? - Banat 06:55:39 12/26/15 (9)
- Banat, thank you - Cousin Billy 07:14:39 12/26/15 (8)
- RE: Banat, thank you - ahendler 20:15:08 12/26/15 (7)
- In addition,... - Lew 08:11:02 12/27/15 (1)
- It does. nt - Ralph 09:04:25 12/28/15 (0)
- I Love and thank everyone - Cousin Billy 00:23:54 12/27/15 (4)
- You can make higher power SETs,... - Lew 08:18:33 12/27/15 (3)
- RE: You can make higher power SETs,... - Banat 10:44:30 12/27/15 (0)
- RE: You can make higher power SETs,... - Cousin Billy 09:49:38 12/27/15 (1)
- RE: You can make higher power SETs,... - Lew 12:33:48 12/27/15 (0)
- Hello Alan - Cousin Billy 23:13:45 12/23/15 (6)
- RE: Hello Alan - Bill Way 08:45:14 12/24/15 (1)
- Thank you Bill - Cousin Billy 10:40:22 12/24/15 (0)
- RE: Hello Alan - Lew 08:11:40 12/24/15 (3)
- balanced operation - Ralph 09:13:48 12/24/15 (2)
- Thank you Ralph - Cousin Billy 10:50:09 12/24/15 (1)
- Happy Festivus! - Lew 10:01:09 12/25/15 (0)
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