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In Reply to: OK... posted by Ralph on January 3, 2025 at 13:46:44:
Ralph, I noticed the specs for that preamp list noise/hum at -58dB. Would you consider that adequate for a balanced preamp? Just wondering, because I worked hard on this issue in my own preamp.Also, do you think the manufacturer really means 600Ω output impedance, not 600Ω load?
Edits: 01/05/25
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Follow Ups
- Noise/hum - Triode_Kingdom 11:38:01 01/05/25 (18)
- That seems really noisy to me! - Ralph 09:01:35 01/06/25 (1)
- RE: That seems really noisy to me! - Triode_Kingdom 10:37:40 01/06/25 (0)
- RE: Noise/hum - Tre' 07:51:21 01/06/25 (15)
- Is that schematic correct?? - Ralph 09:47:47 01/06/25 (14)
- RE: Is that schematic correct?? - Tre' 06:44:31 01/07/25 (10)
- I'd call that a push pull output. - Ralph 09:08:00 01/07/25 (9)
- RE: I'd call that a push pull output. - Triode_Kingdom 15:29:56 01/07/25 (8)
- Only the one in that schematic has a proper output coupling capacitance nt - Ralph 08:59:38 01/08/25 (7)
- Tre's sketch is also correct - Triode_Kingdom 14:17:13 01/08/25 (6)
- RE: Tre's sketch is also correct - Tre' 20:04:03 01/08/25 (5)
- RE: Tre's sketch is also correct - Triode_Kingdom 20:34:28 01/08/25 (4)
- I do find myself wondering - Ralph 10:27:50 01/09/25 (2)
- Yes, it does seem small... - Triode_Kingdom 16:10:02 01/09/25 (1)
- RE: Yes, it does seem small... - Tre' 16:27:48 01/09/25 (0)
- I agree. nt - Tre' 07:16:01 01/09/25 (0)
- RE: Is that schematic correct?? - Tre' 20:30:58 01/06/25 (2)
- OK... - Ralph 10:14:18 01/07/25 (1)
- to be sung to the tune by Huey Lewis.... "sometimes bad is bad" (smile) - Cleantimestream 20:29:42 01/07/25 (0)