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Mark this forum read London Power Kits & Mods Thread / Author Replies Views Last Post [asc]     Z-Pre Quesitons makinrose, 06-30-2025, 02:57 PM 2 327 07-07-2025, 09:10 PM Last Post: makinrose     Kit Mounting K O'Connor, 06-05-2025, 12:05 PM 0 188 06-05-2025, 12:05 PM Last Post: K O'Connor     MICRO Cigar Box amplifier K O'Connor, 08-22-2024, 11:43 AM 0 438 08-22-2024, 11:43 AM Last Post: K O'Connor   RBX Question Champ81, 07-18-2023, 01:44 PM 7 1,519 07-30-2023, 11:18 PM Last Post: K O'Connor     BMK2 used in cathode-biased amp (Pages: 1 2 3 ) K O'Connor, 05-25-2023, 11:37 PM 58 9,232 07-06-2023, 10:47 AM Last Post: K O'Connor     London Power's "PA"-series Tube Power Amplifier Kits London Power, 10-27-2018, 06:34 PM 12 4,864 06-23-2023, 09:21 PM Last Post: makinrose     M-Pre partial success, some troubleshooting to go talking_glowstick, 06-13-2023, 11:26 PM 1 484 06-15-2023, 01:10 PM Last Post: K O'Connor     Bleeder Resistor question Champ81, 05-02-2023, 10:21 PM 9 2,546 05-05-2023, 06:38 PM Last Post: K O'Connor     S-PRE-2 John Bourke, 04-08-2021, 10:49 AM 3 1,778 08-29-2021, 06:40 PM Last Post: K O'Connor     London Power TBS Tracking Bias Supply K O'Connor, 07-08-2021, 01:18 PM 0 654 07-08-2021, 01:18 PM Last Post: K O'Connor     London Power's Power Supply for Preamps (PSU-PRE) London Power, 04-14-2020, 10:30 AM 10 5,017 04-25-2021, 01:24 PM Last Post: K O'Connor     Using chassis-mounted sockets with the kits K O'Connor, 04-12-2021, 04:25 PM 0 884 04-12-2021, 04:25 PM Last Post: K O'Connor     New PSU kits +/-12V K O'Connor, 03-15-2019, 05:19 PM 2 3,037 04-20-2020, 03:47 PM Last Post: K O'Connor     London Power Electronic Relay Kit (ERK) London Power, 04-14-2020, 09:53 AM 0 1,301 04-14-2020, 09:53 AM Last Post: London Power     London Power Best All-Tube Effects Loop (BFX) London Power, 10-25-2018, 06:22 PM 4 6,253 03-17-2019, 08:56 PM Last Post: Adam     London Power - Power Scaling with SV1 and RBX (Fixed Bias) London Power, 10-30-2018, 02:00 PM 4 7,079 03-02-2019, 02:54 PM Last Post: sinusoids     London Power Quiet Power Supply for Low-Voltage Tube Amps London Power, 10-26-2018, 09:51 PM 0 2,034 10-26-2018, 09:51 PM Last Post: London Power 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