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Mark this forum read Power Amps Thread / Author Replies Views Last Post [asc]     Split-rail PA with Higher Front-end Voltages K O'Connor, 06-05-2025, 01:01 PM 0 524 06-05-2025, 01:01 PM Last Post: K O'Connor     Toroidal PT and OT Suppliers K O'Connor, 03-28-2025, 01:31 PM 2 998 03-28-2025, 02:49 PM Last Post: K O'Connor     Power Tube Tone K O'Connor, 03-08-2025, 03:02 PM 3 1,153 03-14-2025, 01:30 AM Last Post: soundmasterg     Power Amp using preamp tube Strelok, 01-17-2025, 07:58 AM 4 1,221 01-23-2025, 10:34 AM Last Post: Strelok     SEM Mod on a 5f6-A harpdog123, 05-28-2024, 12:12 AM 4 1,505 05-28-2024, 08:14 PM Last Post: K O'Connor     Setting bias with multiple pots and tube K O'Connor, 02-07-2024, 06:17 PM 0 593 02-07-2024, 06:17 PM Last Post: K O'Connor     Trans-amp K O'Connor, 06-22-2023, 03:03 PM 7 2,357 07-12-2023, 06:05 AM Last Post: physics     Help Identifying Tube Amp Chassis dtbradio, 06-11-2023, 10:14 PM 2 1,132 06-12-2023, 08:05 AM Last Post: dtbradio     Bias controls for fixed-bias tube amps K O'Connor, 04-13-2023, 01:07 PM 2 1,224 04-14-2023, 11:44 AM Last Post: makinrose     SE power amps that are not K O'Connor, 04-13-2023, 06:30 PM 0 609 04-13-2023, 06:30 PM Last Post: K O'Connor     Bias class K O'Connor, 04-13-2023, 01:42 PM 0 562 04-13-2023, 01:42 PM Last Post: K O'Connor Sort by: Subject Sort by: Last Post Sort by: Author Sort by: Creation Time Sort by: Replies Sort by: Views Order: Ascending Order: Descending From: Today From: 5 Days Ago From: 10 Days Ago From: 20 Days Ago From: 50 Days Ago From: 75 Days Ago From: 100 Days Ago From: The Last Year From: The Beginning   New Posts   Hot Thread (New)   Hot Thread (No New)   No New Posts   Contains Posts by You   Closed Thread Search this Forum: Forum Jump: Private Messages User Control Panel Who's Online Search Forum Home Tube Amp Community (Hi-fi too!) -- TUT Q&A -- Power Scaling -- PCB Design -- Power Supplies -- Power Amps -- Preamp Mods & Design -- Sag & Sustain -- Switching -- Wiring -- Personal Projects -- Test & Measurement -- New Member Introductions Marketplace & Products -- London Power Amps & Gear -- London Power Kits & Mods -- Gear for Sale by Forum Members -- Vendor Info -- Miscellaneous for Sale Recording & Playback -- Recording Methods -- Headphones for Music Playback -- Playback of Recorded Music -- Specialized Headphone Amplifiers -- Stereo Playback Systems for Music

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. Not familiar with The Ultimate Tone book series? See discussion topics, or click here to visit London Power/Power Press Publishing. Tube Amp Forum Hosted by London Power