DIY Audio Projects Photo Gallery
 NEW    Bruce Heran outlines the details and construction of his simple DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier Project.

DIY Audio Projects Photo Gallery


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Category Albums Files
DIY Audio ProjectsShow off your Do It Yourself (DIY) Audio Projects.
8 605
Vacuum Tube (Valve) Audio Projects


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DIY Vacuum Tube (valve) Projects such as Tube Amplifiers and Tube Preamplifiers.

228 files, last one added on Oct 03, 2014
Album viewed 20 times

Speaker and Subwoofer Projects


Fostex-FX120-Bass-Reflex.jpg

A photo gallery to show off your DIY Loudspeaker and Subwoofer projects and kits.

135 files, last one added on Sep 25, 2014
Album viewed 22 times

Chipamp, Gainclone, T-Amp and Op-amp Projects


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DIY audio projects that are based around a single integrated semiconductor chip or an opamp like Gainclone, Chipamp or T-Amp projects.

72 files, last one added on Jul 20, 2014
Album viewed 11 times

Solid State Audio Projects


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DIY Audio Projects that are based around discrete (solid state) components, such as transistors, MOSFETS, J-FETS ...

56 files, last one added on Jul 04, 2013
Album viewed 11 times

Audio Cable Projects


Cotton-ConneX-DIY-Interconnect-Cables.jpg

DIY Audio Cable Projects - Interconnect (RCA) Cables, Speaker Cables and Power (mains) Cables.

11 files, last one added on May 19, 2009
Album viewed 5 times

Other DIY Audio Projects


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Photographs of DIY Audio Projects that do not fall into any of the previous categories such as DIY turntables, power supplies, pictures of your listening room setup ....

19 files, last one added on Jun 16, 2013
Album viewed 15 times

S-5 Electronics Tube Amplifier Kits


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A photo gallery of the various inexpensive Tube Amplifier Kits from S-5 Electronics that have been built by DIYers. The kits include the K-8LS, K-12, K-16 and the similar K-502.

51 files, last one added on Sep 03, 2013
Album viewed 11 times

Commercial Hi-Fi Audio


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Photos of Commercial Hi-Fi Audio Gear, Components and Products.

33 files, last one added on May 15, 2012
Album viewed 5 times

8 albums on 1 page(s)

605 files in 8 albums and 1 categories with 5 comments viewed 2,409,841 times

Random files
Scanspeak-8531-D3004-6600-00-T-Line-2.jpg
Scanspeak-8531-D3004-6600-00-T-Line-2.jpgScanSpeak Revelator 8531 MidBass and D3004-6600-00 Tweeter in Transmission Line Enclosure6413 viewsThese loudspeakers were designed around the ScanSpeak 8531 carbon paper mid-bass and Scanspeak RevelatorD3004-6600-00 Aircirc tweeters. The midbass is in a transmission line housing, and the tweeter in a separate decoupled enclosure.
PinotAssembleIISS.jpg
PinotAssembleIISS.jpg6AS7 SET amplifier with JAN 5R4 rectifier tube1635 viewsThis compact amp is based on an 6AS7 (dual triode), JAN 5R4 (both coke bottle) and 12AX7 driver tube. The top plated is sprayed to match the Edcor OPTs (1.7k/8ohm). The base is solid Mirbeu. Power transformer is Hammond and so is the choke. Component-2-component wiring with no PCB. Silver wire connects gold RCAs to the driver tube. Jensen (0.22uf 630V) copper paper and oil caps join the driver and power stages. The 6AS7 are pushed to 13W dissipation. Bass is heavy and extended, mids and treble highly detailed and sound stage very deep and defined. An extremely good looking and great sounding amp.

Additional information is available in the 6AS7 tube amp from layout to listening forum thread.
K_16LS_Tube_Amp_Kit_with_PL_Preamp_Kit.jpg
K_16LS_Tube_Amp_Kit_with_PL_Preamp_Kit.jpgK-16LS Tube Amp Kit with PL Tube Preamp3325 viewsAfter months of looking I finally decided on the S-5 Electronics K-16LS stereo tube amplifier kit together with its sister PL tube preamplifier kit. The Stereo Integrated Tube Amplifier produces up to 16W and utilizes 5670 triode and 6005 pentode tubes. The PL tube preamp kit uses a 5670 triode tube.

I ditched the supplied wood board for a larger board to accommodate the preamp. Using my IPod and a set of Celestion floorstanders (90dB) I sat back to listen. WOW - seriously loud. Bass is fantastic, treble is sharp. Mid range seems to be missing a bit but after trying different tracks I am putting this down to poor quality source MP3 via the IPod. There is a reasonable amount of hum when you take the volume up but nothing annoying.

Next step is to attempt the mods for the K-12 kits.

David - UK
K-12G-Tube-Ampleifier-Kit-UK.jpg
K-12G-Tube-Ampleifier-Kit-UK.jpgK-12G Tube Amp Kit build from UK1342 viewsHi this is my new build of an S-5 Electronics K-12G tube amplifier. I'm really proud of it and hope it can inspire others.

Transformer covers, knobs, feet, phono plugs and other parts sourced from http://www.mafaudio.com/.
The main transformer case was scratched and they will send another free with my next order. I've found them very easy to deal with. The case is made of pine bought at the local merchants with a plywood top. I used only simple tools.

There are more photos available in my photo library.

Luke Collings
Wiltshire, UK

Last additions
SE-6V6-Amplifier-after-Lacewood.jpg
SE-6V6-Amplifier-after-Lacewood.jpgCopy of Matt's SE 6V6 Lacewood amplifier55 viewsHello,

This is my copy of Matt’s (Suncalc) single-ended 6V6 Lacewood amplifier which is actually made from Sri-Lankan Satinwood, Padauk and brass.

Keith Graham Cheltenham, UK.
Oct 03, 2014
Beyma-12XA30Nd-Speaker.jpg
Beyma-12XA30Nd-Speaker.jpgBeyma 12XA30Nd Speaker89 viewsThese are the most expensive speakers I have made. Drivers are Beyma 12” with a titanium\polyester concentric 2” dome – 12XA30Nd. Efficiency is 98db\1W\1M for the woofer section and 105db for the tweeter. The drivers can handle 700W! Box is 33ltr and heavily braced with 4” rear port. Finish is heavily stippled and applied with a roller. Xover is at 2KHz. Bass is not super low and requires a subwoofer for better bass. Speakers work extremely well with my 0.5W 1920s tubed amp. See the forum thread Beyma, a Spanish coaxial driver for more information.

Mark Houston – retro-thermionic
Sep 25, 2014
Gobo-LM1875-Stereo-Amplifier-Kit.jpg
Gobo-LM1875-Stereo-Amplifier-Kit.jpgGobo LM1875 Stereo Amplifier Kit176 viewsThe Gobo Stereo Amplifier kit is a class-AB chip amp kit based around the LM1875 IC. This is a complete amp kit that includes all the necessary parts and enclosure to build a stereo amplifier. The LM1875 amp kit comes with audio-grade capacitors and toroidal transformer. The Gobo amplifier kit is easy to build, looks and sounds great. The amplifier kit is well suited to first time amp builders.

For full details, see our review of the Gobo LM1875 Stereo Amplifier Kit
Jul 20, 2014
6SN7-6V6-SE-Black-Lace.jpg
6SN7-6V6-SE-Black-Lace.jpgBlack Lace - SE 6V6 Amplifier229 views“Black Lace” - an all Australian tube amplifier with tubes from the 60’s. Miniwatt: 6V6 black glass, 6SN7 and 5U4. Old school build with PIO caps, solder from the 70’s with copper and carbon film resistors. See the forum thread Black Lace - 6V6 power amp, old school for more information.

Mark Houston – retro-thermionic
Jun 20, 2014


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