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Preamp Mods & Design
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Go to first unread post Friedman/Suhr PPIMV
physics, 02-17-2025, 06:58 AM
 6 366 02-18-2025, 06:04 AM
Last Post: physics
    2 113 02-14-2025, 04:57 PM
Last Post: makinrose
    15 4,537 01-17-2025, 07:35 AM
Last Post: Strelok
    4 775 01-17-2025, 07:25 AM
Last Post: Strelok
   
Go to first unread post Not So Subtle Sag
Strelok, 04-15-2021, 08:24 AM
 4 1,601 01-17-2025, 07:11 AM
Last Post: Strelok
    3 471 04-10-2024, 11:57 PM
Last Post: K O'Connor
   
4 529 12-15-2023, 09:51 PM
Last Post: makinrose
   
Go to first unread post 6v6 preamp
mooreamps, 06-26-2023, 08:17 PM
 4 568 06-28-2023, 05:15 PM
Last Post: mooreamps
   
Go to first unread post Preamp mods
K O'Connor, 08-22-2018, 04:25 PM
 16 6,879 04-27-2023, 05:20 PM
Last Post: K O'Connor
   
Go to first unread post Load Line Assistance Needed
dtbradio, 11-10-2022, 10:57 AM
 2 398 11-11-2022, 05:47 PM
Last Post: dtbradio
   
5 5,766 07-20-2022, 07:44 PM
Last Post: Murrayatuptown
   
Go to first unread post Tremolo Design Question
makinrose, 04-07-2020, 05:04 PM
 7 3,431 01-28-2022, 03:03 PM
Last Post: makinrose
   
Go to first unread post Submini tubes
SGillespie, 12-24-2021, 12:25 PM
 7 1,284 01-03-2022, 09:22 PM
Last Post: nauta
    4 1,795 08-02-2021, 07:42 PM
Last Post: makinrose
   
Go to first unread post Power Resistors in kits
Strelok, 06-02-2021, 04:53 AM
 5 1,974 06-04-2021, 08:53 PM
Last Post: makinrose
   
Go to first unread post FX Loop Bypass - Signal Loss
NGW, 04-25-2021, 04:56 AM
 2 1,841 04-25-2021, 01:19 PM
Last Post: K O'Connor
   
Go to first unread post Stereo Reverb as in TUT2
Strelok, 03-28-2021, 10:32 AM
 10 3,265 04-20-2021, 12:43 PM
Last Post: K O'Connor
   
Go to first unread post Which cable?
Strelok, 04-12-2021, 02:13 PM
 4 1,719 04-13-2021, 02:35 PM
Last Post: Strelok
    5 2,276 03-04-2021, 02:54 PM
Last Post: K O'Connor
   
Go to first unread post Distorting reverb tube (Pages: 1 2 )
Tomislaw, 06-26-2020, 03:28 PM
 24 10,341 09-05-2020, 05:27 PM
Last Post: Tomislaw
   
Go to first unread post fx loops
Adam, 08-19-2020, 11:15 AM
 2 2,370 08-21-2020, 10:26 AM
Last Post: Adam
   
Go to first unread post BYPASSING A GAIN STAGE - QUERY
NGW, 09-11-2019, 12:45 AM
 13 7,543 03-09-2020, 12:21 PM
Last Post: K O'Connor
   
Go to first unread post YBA-1 bridged T circuit
jmcd, 01-05-2020, 04:58 PM
 9 5,044 01-19-2020, 07:00 PM
Last Post: K O'Connor
   
Go to first unread post Master volumes
jmcd, 11-24-2018, 03:11 PM
 10 8,267 11-27-2018, 07:52 PM
Last Post: K O'Connor
    3 3,815 11-18-2018, 09:36 AM
Last Post: Tomislaw
   
Go to first unread post pickup noise
jmcd, 11-11-2018, 05:01 PM
 5 4,862 11-14-2018, 05:41 PM
Last Post: K O'Connor
   
Go to first unread post Grid leak biasing
Tomislaw, 11-05-2018, 04:06 PM
 11 10,284 11-11-2018, 07:02 PM
Last Post: Tomislaw
   
Go to first unread post zener diode bounding circuits
jmcd, 11-08-2018, 02:18 AM
 3 3,762 11-09-2018, 12:46 AM
Last Post: K O'Connor
   
Go to first unread post Dual-Drive designs
jmcd, 10-31-2018, 01:23 AM
 2 3,324 10-31-2018, 12:22 PM
Last Post: jmcd


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Come in where it's warm!
A warm welcome to tube amp modding fans and those interested in hi-fi audio! Readers of Kevin O'Connor's The Ultimate Tone (TUT) book series form a part of our population. Kevin O'Connor is the creator of the popular Power Scaling methodology for amplifiers.
Please remember these three principles: respect, sharing, community.
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