# Do It Yourself **URL:** https://forum.psaudio.com/c/do-it-yourself/67.md [Latest](https://forum.psaudio.com/latest.md) · [Categories](https://forum.psaudio.com/categories.md) · [Tags](https://forum.psaudio.com/tags.md) --- ## [About the Do It Yourself category](https://forum.psaudio.com/t/about-the-do-it-yourself-category/4791)
**Author:** [@system](https://forum.psaudio.com/u/system)\ **Replies:** 0\ **Last updated:** [February 7, 2018, 1:14pm UTC](https://forum.psaudio.com/t/about-the-do-it-yourself-category/4791 "2018-02-07T13:14:34Z")
Kits, schematics, projects. --- ## [I recently completed the repair of a 66-year-old tube tuner](https://forum.psaudio.com/t/i-recently-completed-the-repair-of-a-66-year-old-tube-tuner/44757)
**Author:** [@mycrowave](https://forum.psaudio.com/u/mycrowave)\ **Replies:** 1\ **Last updated:** [September 20, 2026, 8:53pm UTC](https://forum.psaudio.com/t/i-recently-completed-the-repair-of-a-66-year-old-tube-tuner/44757 "2026-09-20T20:53:33Z")
I have had this project sitting on the shelf for the past six months and finally got the impetus to work on it before the end of the summer. Back in the day, my deceased Uncle Jay gave me this early 1960’s HH Scott int… --- ## [Rack Build](https://forum.psaudio.com/t/rack-build/44233)
**Author:** [@Clover](https://forum.psaudio.com/u/Clover)\ **Replies:** 17\ **Last updated:** [August 20, 2026, 11:45pm UTC](https://forum.psaudio.com/t/rack-build/44233 "2026-08-20T23:45:27Z")
Somehow, I ended up with more gear than fits on my old hand me down rack and have deiced to build myself a new rack. I figured I may as well share the build here as it goes along. I’m not master woodworker, and just do… --- ## [Acoustic Panels/Bass Traps](https://forum.psaudio.com/t/acoustic-panels-bass-traps/44637)
**Author:** [@Clover](https://forum.psaudio.com/u/Clover)\ **Replies:** 7\ **Last updated:** [August 20, 2026, 2:09am UTC](https://forum.psaudio.com/t/acoustic-panels-bass-traps/44637 "2026-08-20T02:09:22Z")
My mother in law makes rather incredible art quilts that she spends years working on and I had thought I would make her a aromatic cedar case for her current project but my wife vetoed the idea after I bought the cedar. … --- ## [DS Audio Preamp Version 2 - For a Fellow Who Freak!](https://forum.psaudio.com/t/ds-audio-preamp-version-2-for-a-fellow-who-freak/44460)
**Author:** [@rajugsw](https://forum.psaudio.com/u/rajugsw)\ **Replies:** 6\ **Last updated:** [August 2, 2026, 6:47am UTC](https://forum.psaudio.com/t/ds-audio-preamp-version-2-for-a-fellow-who-freak/44460 "2026-08-02T06:47:59Z")
After overbuilding and several rebuilds of the actual Preamp section of my DIY DS Audio Phono Preamp (not to mention bending the DS003’s Aluminum Cantilever - shout out to TMR & Musical Surroundings for getting me a rebu… --- ## [Which Power Components Are Most Reliable for a PC Build?](https://forum.psaudio.com/t/which-power-components-are-most-reliable-for-a-pc-build/44239)
**Author:** [@xenova](https://forum.psaudio.com/u/xenova)\ **Replies:** 1\ **Last updated:** [May 26, 2026, 2:35pm UTC](https://forum.psaudio.com/t/which-power-components-are-most-reliable-for-a-pc-build/44239 "2026-05-26T14:35:20Z")
I’m planning a new PC build and currently looking into power components like power supplies, surge protectors, and cooling options. I want something reliable and efficient for long-term use. What brands or components hav… --- ## [Ultimate DC supply](https://forum.psaudio.com/t/ultimate-dc-supply/43863)
**Author:** [@Arenith](https://forum.psaudio.com/u/Arenith)\ **Replies:** 0\ **Last updated:** [March 17, 2026, 11:21pm UTC](https://forum.psaudio.com/t/ultimate-dc-supply/43863 "2026-03-17T23:21:17Z")
I’ve come to understand that the most sensitive electronics should be powered by quiet, capable batteries. I could buy on sale right now 5S4P packs of Toshiba Scib 2.3V LTO batteries, so 11,5V per pack and 80Ah. Peak cu… --- ## [Electrolytic Capacitor Replacement](https://forum.psaudio.com/t/electrolytic-capacitor-replacement/43822)
**Author:** [@JimCook](https://forum.psaudio.com/u/JimCook)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 12:22pm UTC](https://forum.psaudio.com/t/electrolytic-capacitor-replacement/43822 "2026-03-11T12:22:19Z")
If we have to re-cap, perhaps we should use this substitute? Maybe PSA should switch to this type to enable longer life and reduce customer problems down the road? --- ## [Tube got noisy? Why? Common? Failure immenent?](https://forum.psaudio.com/t/tube-got-noisy-why-common-failure-immenent/8635)
**Author:** [@bruce-in-philly](https://forum.psaudio.com/u/bruce-in-philly)\ **Replies:** 22\ **Last updated:** [November 4, 2025, 8:58pm UTC](https://forum.psaudio.com/t/tube-got-noisy-why-common-failure-immenent/8635 "2025-11-04T20:58:47Z")
I bet Paul loves these stories… hates those “fire bottles”. I just had a Mullard NOS CV4003 / 12AU7 in my PrimaLuna HP integrated go noisy… sounds like static…fitzz… goes quiet … kinda random. Upscale Audio said the 6 … --- ## [Tube console for DSD location recording](https://forum.psaudio.com/t/tube-console-for-dsd-location-recording/30634)
**Author:** [@rjuly](https://forum.psaudio.com/u/rjuly)\ **Replies:** 4\ **Last updated:** [September 1, 2025, 7:16pm UTC](https://forum.psaudio.com/t/tube-console-for-dsd-location-recording/30634 "2025-09-01T19:16:58Z")
If DSD is the ultimate current technology for capture (as I believe it is), then for me, discrete tube circuitry is the ultimate for amplifying the signal between the microphone and the DAC. To that end I am building a s… --- ## [I want to upgrade the op amps in nuwave dsd](https://forum.psaudio.com/t/i-want-to-upgrade-the-op-amps-in-nuwave-dsd/42456)
**Author:** [@cookie1389](https://forum.psaudio.com/u/cookie1389)\ **Replies:** 2\ **Last updated:** [August 13, 2025, 8:13pm UTC](https://forum.psaudio.com/t/i-want-to-upgrade-the-op-amps-in-nuwave-dsd/42456 "2025-08-13T20:13:13Z")
Hello, Does anyone know if its safe to change the opamps n5532a, it has 1 per channel and i would like to upgrade them to a newer better version, i know its a dual op amp but i want to make sure its safe? Also it has 2 v… --- ## [Quad 306 and 520F Upgrades](https://forum.psaudio.com/t/quad-306-and-520f-upgrades/31858)
**Author:** [@joma0711](https://forum.psaudio.com/u/joma0711)\ **Replies:** 24\ **Last updated:** [June 11, 2025, 12:57pm UTC](https://forum.psaudio.com/t/quad-306-and-520f-upgrades/31858 "2025-06-11T12:57:33Z")
My Quad 306 is way too sensitive, and the all original parts are around 35 years old, including electrolytic capacitors. Sensitivity is easy (and a standard mod for these things,m changing one feedback resistor does the… --- ## [Integrating my Black Ice Audio Fusion F360 into my existing BAT 2 Channel Preamp and Onkyo Multichannel AV Preamp](https://forum.psaudio.com/t/integrating-my-black-ice-audio-fusion-f360-into-my-existing-bat-2-channel-preamp-and-onkyo-multichannel-av-preamp/34928)
**Author:** [@rajugsw](https://forum.psaudio.com/u/rajugsw)\ **Replies:** 19\ **Last updated:** [March 30, 2025, 11:23pm UTC](https://forum.psaudio.com/t/integrating-my-black-ice-audio-fusion-f360-into-my-existing-bat-2-channel-preamp-and-onkyo-multichannel-av-preamp/34928 "2025-03-30T23:23:06Z")
For over 25 years, I’ve been playing with these crappy Dolby and DTS upmixers and never getting the satisfaction of taking a 2 channel mix and properly spreading it throughout 4 or more channels plus Subwoofers. Well, I… --- ## [Is this amp a dead-end?](https://forum.psaudio.com/t/is-this-amp-a-dead-end/40088)
**Author:** [@CT\_Patriot](https://forum.psaudio.com/u/CT_Patriot)\ **Replies:** 8\ **Last updated:** [January 9, 2025, 3:39pm UTC](https://forum.psaudio.com/t/is-this-amp-a-dead-end/40088 "2025-01-09T15:39:17Z")
Hi, I was interested to get this group’s opinion. Is this amp a dead-end? Meaning, i cannot find any schematics/specs for the potential replacement parts needed to rebuild it someday. Would a good amplifier repairm… --- ## [A Favour for Friend - CD Player & DAC](https://forum.psaudio.com/t/a-favour-for-friend-cd-player-dac/40312)
**Author:** [@rajugsw](https://forum.psaudio.com/u/rajugsw)\ **Replies:** 7\ **Last updated:** [December 18, 2024, 11:09pm UTC](https://forum.psaudio.com/t/a-favour-for-friend-cd-player-dac/40312 "2024-12-18T23:09:40Z")
A friend of mine within our AVAZClub asked me about CD Player and DAC recommendations. He was gonna go all out on the $500 Cambridge Audio CD Only Player with built in DAC (DoP). When I asked him about what discs he play… --- ## [Genesis Digital Lens](https://forum.psaudio.com/t/genesis-digital-lens/34901)
**Author:** [@hanz](https://forum.psaudio.com/u/hanz)\ **Replies:** 9\ **Last updated:** [December 5, 2024, 6:31pm UTC](https://forum.psaudio.com/t/genesis-digital-lens/34901 "2024-12-05T18:31:40Z")
I’ve been aware of this product since its intro and glowing review in 1996 (Stereophile, Robert Harley) . Never could afford it, tho. And even eBay prices on vintage gear is quite high. To that end … I would like to bu… --- ## [2-channel amp to mono for a Center Channel speaker?](https://forum.psaudio.com/t/2-channel-amp-to-mono-for-a-center-channel-speaker/38813)
**Author:** [@CT\_Patriot](https://forum.psaudio.com/u/CT_Patriot)\ **Replies:** 3\ **Last updated:** [October 1, 2024, 7:49pm UTC](https://forum.psaudio.com/t/2-channel-amp-to-mono-for-a-center-channel-speaker/38813 "2024-10-01T19:49:35Z")
hi, Is there a way to us a 2-channel amp (Adcom GFA 535) to power a center channel speaker with one set of binding posts? There is no “mono” switch on the adcom. Thank you! --- ## [Volume Controls suck](https://forum.psaudio.com/t/volume-controls-suck/38182)
**Author:** [@joma0711](https://forum.psaudio.com/u/joma0711)\ **Replies:** 24\ **Last updated:** [July 23, 2024, 7:49pm UTC](https://forum.psaudio.com/t/volume-controls-suck/38182 "2024-07-23T19:49:58Z")
Analogue volume controls. A necessary evil. One of my DACs has onboard volume, and an IR remote, which would be great, only as with many remotes there is a lag, then the volume goes down slowly, then stops because the … --- ## [Dedicated 20 amp circuit. 10/2 or 10/3?](https://forum.psaudio.com/t/dedicated-20-amp-circuit-10-2-or-10-3/36732)
**Author:** [@mmenasci](https://forum.psaudio.com/u/mmenasci)\ **Replies:** 14\ **Last updated:** [February 21, 2024, 12:41am UTC](https://forum.psaudio.com/t/dedicated-20-amp-circuit-10-2-or-10-3/36732 "2024-02-21T00:41:15Z")
Dedicated 20 amp circuit. 10/2 or 10/3? I’m looking for the quietest noise floor possible. --- ## [FYI Update on Ol Mongo](https://forum.psaudio.com/t/fyi-update-on-ol-mongo/29667)
**Author:** [@Mongo](https://forum.psaudio.com/u/Mongo)\ **Replies:** 14\ **Last updated:** [January 13, 2024, 7:50am UTC](https://forum.psaudio.com/t/fyi-update-on-ol-mongo/29667 "2024-01-13T07:50:33Z")
If anybody’s interested, I’ll be competing in the Midwestaudiofest in Dayton, OH, put on by Parts Express. Don’t know if I have a chance to win, but…who knows? It’s on August 5th and 6th. Keep rockin, and slinging sol… --- ## [Garrard Model 50 - Restored to working condition](https://forum.psaudio.com/t/garrard-model-50-restored-to-working-condition/36270)
**Author:** [@mycrowave](https://forum.psaudio.com/u/mycrowave)\ **Replies:** 2\ **Last updated:** [January 6, 2024, 11:41pm UTC](https://forum.psaudio.com/t/garrard-model-50-restored-to-working-condition/36270 "2024-01-06T23:41:28Z")
A friend gifted me this Garrard Model 50 turntable a year ago. It was not functioning and needed a new cartridge. With the cold weather setting in this year and the days getting shorter, I thought I would see if I coul… --- ## [Bypass Sprout 100 power supply?](https://forum.psaudio.com/t/bypass-sprout-100-power-supply/36218)
**Author:** [@andygoldenson](https://forum.psaudio.com/u/andygoldenson)\ **Replies:** 0\ **Last updated:** [January 1, 2024, 10:02pm UTC](https://forum.psaudio.com/t/bypass-sprout-100-power-supply/36218 "2024-01-01T22:02:59Z")
Hi Paul and co- I had the opportunity to visit your company in the fall and really enjoyed seeing where everything was made and listening to the reference system. I had to balance being polite and wanting to listen for… --- ## [Record Storage Lighting in IKEA Kalax cube shelves](https://forum.psaudio.com/t/record-storage-lighting-in-ikea-kalax-cube-shelves/36167)
**Author:** [@akubacki](https://forum.psaudio.com/u/akubacki)\ **Replies:** 7\ **Last updated:** [December 28, 2023, 8:55pm UTC](https://forum.psaudio.com/t/record-storage-lighting-in-ikea-kalax-cube-shelves/36167 "2023-12-28T20:55:54Z")
I want to add lighting to the Kalax, Any recommendations on how to ACTUALLY run–as in route path–LED tape to illuminate the Record cover spines? --- ## [Source for WonderCaps and Solen Caps for Infinity IRS Beta Crossover?](https://forum.psaudio.com/t/source-for-wondercaps-and-solen-caps-for-infinity-irs-beta-crossover/36119)
**Author:** [@ErVikingo](https://forum.psaudio.com/u/ErVikingo)\ **Replies:** 3\ **Last updated:** [December 21, 2023, 8:32pm UTC](https://forum.psaudio.com/t/source-for-wondercaps-and-solen-caps-for-infinity-irs-beta-crossover/36119 "2023-12-21T20:32:32Z")
I am looking for capacitors to correct an issue with a cross over on one of my IRS Beta speakers. I need: WonderCaps 10uf 310V X 7502A WonderCaps .01uf Solen PB 5100 51uf 150VAC I appreciate leads/links Che… --- ## [Recommendations on PTFE air tubing](https://forum.psaudio.com/t/recommendations-on-ptfe-air-tubing/27958)
**Author:** [@Arenith](https://forum.psaudio.com/u/Arenith)\ **Replies:** 12\ **Last updated:** [October 23, 2023, 1:35am UTC](https://forum.psaudio.com/t/recommendations-on-ptfe-air-tubing/27958 "2023-10-23T01:35:49Z")
I’m considering, slowly, an RCA cable design that’d utilize possibly PTFE air tubing possibly inside a larger PTFE tubing, so please recommend something, I’m sure air tubing is generally utilized in DIY work. What would… --- ## [Sound-On-Sound Audio Test files](https://forum.psaudio.com/t/sound-on-sound-audio-test-files/35137)
**Author:** [@joma0711](https://forum.psaudio.com/u/joma0711)\ **Replies:** 0\ **Last updated:** [September 24, 2023, 12:13am UTC](https://forum.psaudio.com/t/sound-on-sound-audio-test-files/35137 "2023-09-24T00:13:42Z")
For those who like to fiddle with test tones and calibration: a link to an article, which includes a link to the free test tone Zips, and info on how they might be useful :slight\_smile: --- ## [DIY purist crossover cabling](https://forum.psaudio.com/t/diy-purist-crossover-cabling/27791)
**Author:** [@Arenith](https://forum.psaudio.com/u/Arenith)\ **Replies:** 13\ **Last updated:** [August 22, 2023, 7:40am UTC](https://forum.psaudio.com/t/diy-purist-crossover-cabling/27791 "2023-08-22T07:40:27Z")
I have a hard time deciding on affordable hook up wire for rewiring my crossovers some day. I am a firm believer in geometry above material, but do think material always makes a difference, Galen Gareis has over the tim… --- ## [Best solder & technique](https://forum.psaudio.com/t/best-solder-technique/24265)
**Author:** [@Arenith](https://forum.psaudio.com/u/Arenith)\ **Replies:** 6\ **Last updated:** [August 21, 2023, 1:42am UTC](https://forum.psaudio.com/t/best-solder-technique/24265 "2023-08-21T01:42:11Z")
A handheld (“small”) ultrasonic welding tool costs tons and tons of shekels. I’d rather avoid solder because of its poor IACS being a bottleneck, but I can’t. What’s the best solder for current delivery on the market t… --- ## [New Basement Build question](https://forum.psaudio.com/t/new-basement-build-question/33795)
**Author:** [@brian.fitterman](https://forum.psaudio.com/u/brian.fitterman)\ **Replies:** 49\ **Last updated:** [May 27, 2023, 11:32am UTC](https://forum.psaudio.com/t/new-basement-build-question/33795 "2023-05-27T11:32:31Z")
Doing a new room for both music and movies like I have. Options in the house are 13.3’ wide by 20 something deep. Or flip it to 13.3 deep by 20 something wide? I am thinking Wide. But wondering what others have exper… --- ## [PS Audio Digital Link III DAC Schematics](https://forum.psaudio.com/t/ps-audio-digital-link-iii-dac-schematics/33420)
**Author:** [@flacguy](https://forum.psaudio.com/u/flacguy)\ **Replies:** 0\ **Last updated:** [April 24, 2023, 7:00pm UTC](https://forum.psaudio.com/t/ps-audio-digital-link-iii-dac-schematics/33420 "2023-04-24T19:00:16Z")
Hi, troubleshooting a Digital Link III DAC with low output in one channel and wondering if someone has a copy of the schematic diagram or has experienced similar behavior and fixed it. TIA Vic [Next page](https://forum.psaudio.com/c/do-it-yourself/67.md?page=1)