# Welcome to the Audiophile Repair Forum **This forum exists because knowledge shouldn't disappear when a company decides a product is "end of life."** ## Right to Repair Every year, perfectly good

# Audiophile Repair Knowledge — TJ's Field Notes > This is the stuff I've learned fixing high-end audio gear. > Some from my years at PS Audio, some from repair benches, > some from conversations wit

Community knowledge thread: Angling for 90° - tangential pivot tonearms Subforum: turntables

Community knowledge thread: Dual opposed subwoofer for desktop system Subforum: speakers

Community knowledge thread: First Tube Amp - Jolida Black Ice FX10 Subforum: tube_amps

Community knowledge thread: LTspice hierarchical ultralinear OPT Subforum: tube_amps

Discussion: What amp to match with Spatial Audio M3 Sapphire open back speakers Source: https://forum.audiogon.com/discussions/what-amp-to-match-with-spatial-audio-m3-sapphire-open-back-speakers

Discussion: P300 schematic Source: https://forum.psaudio.com/t/p300-schematic/41658 Category: power-components Replies: 12

Community knowledge thread: Distortion in Measurement Microphones - actual measurements Subforum: speakers

Discussion: Mad Scientist Tweek Source: https://forum.psaudio.com/t/mad-scientist-tweek/1014 Category: power-components Replies: 1

Community knowledge thread: Favorite Threads and Posts in "Tubes" Forum Subforum: tube_amps

Community knowledge thread: Why some people prefer pro audio driver over home audio Subforum: speakers

Discussion: P3 question Source: https://forum.psaudio.com/t/p3-question/43136 Category: power-components Replies: 2

Discussion: Bel canto problems Source: https://forum.audiogon.com/discussions/bel-canto-problems

Community knowledge thread: 18" DIY Field coil drivers Subforum: speakers

Discussion: Controlling P10 using software Source: https://forum.psaudio.com/t/controlling-p10-using-software/21735 Category: power-components Replies: 15

Community knowledge thread: Stereo DAC + Subwoofer Integration with MoFi SourcePoint 10s: HPF, Sub DSP, or A Subforum: speakers

Community knowledge thread: On Line Tube Learning for newbies ... Subforum: tube_amps

Community knowledge thread: Good cheap dome midrange Subforum: speakers

Discussion: Powerplant and components -which to turn off? Source: https://forum.psaudio.com/t/powerplant-and-components-which-to-turn-off/43200 Category: power-components Replies: 3

Community knowledge thread: budget 18 driver for TH's ? Subforum: speakers

Community knowledge thread: Woofer-Assisted Mini-MEH Subforum: speakers

Community knowledge thread: Oscillation in tube amps Subforum: tube_amps

Community knowledge thread: Simple subwoofer design? Subforum: speakers

Community knowledge thread: New 9cm Full Range driver out of Japan Subforum: speakers