Theory & Design

Music Electronics Forum

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Sticky: making sure I understand OT secondary ground by dmartn149 Started by dmartn149, 08-31-2019, 08:08 PM	7 responses 2,571 views 0 likes	Last Post by J M Fahey 09-02-2019, 05:06 AM
Speaker output grounding in no-NFB amps by Rhodesplyr Started by Rhodesplyr, 03-18-2018, 07:30 PM	8 responses 1,705 views 0 likes	Last Post by Rhodesplyr 03-23-2018, 08:06 PM
how to calculate cutoff frequency for Low pass (grid stop) by mikepukmel Started by mikepukmel, 03-19-2018, 01:53 AM	19 responses 1,809 views 0 likes	Last Post by bob p 03-23-2018, 04:42 PM
grouding - the horse isn't dead yet by mikepukmel Started by mikepukmel, 03-17-2018, 04:04 PM	4 responses 839 views 0 likes	Last Post by mikepukmel 03-19-2018, 01:41 AM
Why would you do this? (6EU7, 12AX7, Bogen) by Bloomfield Started by Bloomfield, 03-13-2018, 08:08 PM	29 responses 2,381 views 0 likes	Last Post by soundmasterg 03-15-2018, 11:06 PM
filter cap question by Randall Started by Randall, 03-05-2018, 01:01 AM	77 responses 5,177 views 0 likes	Last Post by bob p 03-13-2018, 11:36 AM
Amp power supply questions. by OldSolder Started by OldSolder, 03-10-2018, 08:55 AM	16 responses 1,451 views 0 likes	Last Post by J M Fahey 03-10-2018, 11:25 PM
hacking kit JTM45 bias circuit by mikepukmel Started by mikepukmel, 03-04-2018, 07:16 PM	40 responses 4,099 views 0 likes	Last Post by mikepukmel 03-08-2018, 12:47 AM
Effects of cathode bypass capacitor on output stage overdrive characteristics by SoulFetish Started by SoulFetish, 03-01-2018, 07:26 AM	27 responses 3,739 views 0 likes	Last Post by SoulFetish 03-05-2018, 08:53 PM
speaker impedence question by daz Started by daz, 02-16-2018, 08:25 PM	13 responses 1,238 views 0 likes	Last Post by J M Fahey 03-04-2018, 07:23 AM
Self-Biasing by lowell Started by lowell, 02-12-2018, 02:33 PM	4 responses 1,089 views 0 likes	Last Post by R.G. 03-03-2018, 11:31 PM