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.
8 613
Vacuum Tube (Valve) Audio Projects


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

233 files, last one added on Dec 20, 2015
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.

74 files, last one added on Dec 15, 2014
Album viewed 11 times

Solid State Audio Projects


Mike-DIY-Class-A-Mosfet-Amp2.jpg

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

57 files, last one added on Dec 20, 2015
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


DIY-Phono-Turntable-3~9.jpg

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


OddWatt-KT88-Push-Pull-Tube-Amp-Kit.jpg

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)

613 files in 8 albums and 1 categories with 5 comments viewed 2,748,866 times

Random files
EL84-CCS-Push-Pull-Tube-Amp.jpg
EL84-CCS-Push-Pull-Tube-Amp.jpgEL84 / 6BQ5 Push Pull Tube Amplifier2387 viewsThe "OddWatt", a EL84 / 6BQ5 Push Pull (PP) Tube Amp project. SRPP input stage and ultra linear output stage with LM317 Regulators CCS. Tube heaters are 12VDC.
Electros.jpg
Electros.jpgElectrostatic Speakers2832 viewsThese Electrostatic speakers are made by a company which does not make speakers but develops new technologies in electrostatics. The best way to demonstrate these technologies is to build speakers to showcase them. They also have developed acoustic filtering which is applied to their sub-woofers which are based around two 5" drivers firing on opposite directions.

The tall black panels have two 100W amps built in the base made from discrete components, one for the panel array and the other to drive the sub-woofer in the base. The black speakers have a RRP of $AU12,000. Small black panels on the table are $AU1000 a pair. The tall silver panels produced clear live sounding mids and highs but seriously lacked base. These were demonstrated at a GM of The Melbourne Audio Club, Victoria Australia.
6EM7_Single_Ended_Triode_Amplifier.jpg
6EM7_Single_Ended_Triode_Amplifier.jpg“Paris” – 6EM7 Dual Mono Integrated Amplifier1832 viewsWhat started as a forum thread discussion (6EM7 power amp) ended in the construction of a 6EM7 (Sylvania tube) integrated triode amplifier. I used dual mono construction with two power transformers, two 5Y3 rectifier tubes and two separate power filter stages but with a shared single stage preamp. There is a single EMI/RFI power filter feeding both power supplies. Two chokes and two 15W Edcor audio output transformers are in the base of the enclosure. An Alps blue velvet pot after the preamp stage (4S Universal) controls volume to the power amp section. The colour is Sungold and the base Mirbue. The amp has a very detailed mid-range and produces about 2W.

Mark - retro-thermionic
Spin-Clean-Record-Washer-System-MKII.jpg
Spin-Clean-Record-Washer-System-MKII.jpgSpin-Clean Record Washer System (Mk II) Kit Contents1175 viewsHere are the contents of the new Spin-Clean Record Washer System (Mk II) which is available for $80US. We have completed a full review of the Spin-Clean LP Record cleaning system. The Spin-Clean record cleaner is fully manual and does a very thorough job of cleaning your records.

See the Spin-Clean Record Washer System (Mk II) review for more information about the Spin-Clean.

If you have any questions about the Spin-Clean, you can ask them in the Spin-Clean LP Record Cleaning System (Mk II) thread on the forum.

Last additions
4-channel-400W-amplifier.jpg
4-channel-400W-amplifier.jpg 4 channel, 400 W amplifier469 viewsThis 4-channel 400 W amplifier uses Hypex UcD400HG modules together with the corresponding power supply.
The whole is mounted inside a Galaxy 330 x 230 x 80 case.
For building instructions, have a look at this project's wiki.
Two such amplifiers has been working for over 2 years in my lounge, driving Linn Komponent 110 loudspeakers which each have 4 speaker inputs.

Francois Corthay - Switzerland

Project Page: 4 channel 400 W amplifier using Hypex UcD400HG modules
Dec 20, 2015
E88CC-SV83-SET-Amplifiers.jpg
E88CC-SV83-SET-Amplifiers.jpgDual SV83 SET Amplifiers448 viewsA mirrored pair of SET amplifiers, presently being used in bridged mode. All P2P construction using silver solder. I included a "Hazen grid" capacitor and input tube bias change switch. The single mA meter displays individual output tube bias current with a Left/Right switch. Edcor XPRW178 power transformer and GXSE10-6-8K output transformers. Upgraded caps to Jantzen Audio 1200V Z-Superior. Upgraded resistors to PRP PR9372 Audio for metal film and TAKMAN REX for carbon film. ALPS Blue 100K attenuator. The power supply uses a RCA 5U4GB rectifier and Hammond 156R choke. Matched pairs of Svetlana SV83 for power and JJ E88CC for the input tube.

Billy Whiten - Georgia, USA
Dec 20, 2015
6V6-Push-Pull-Amplifier.jpg
6V6-Push-Pull-Amplifier.jpgPush-Pull (PP) 6V6GT Tube Amplifier393 viewsThis 6V6 amp was built following the DIY Push-Pull (PP) 6V6 / 6V6GT Tube Amplifier Schematic. Power Supply transformer and Output transformers are handmade in Argentina by NavasBaccino. I'd like to thank Brad S. for the help. The sound is amazing and clear, free of distortion.

Gabriel Rofrano, ARGENTINA

Video link

Dec 20, 2015
Decware-inspired-EL84-amp.jpg
Decware-inspired-EL84-amp.jpgDecware inspired EL84 amp with attenuation427 viewsThis is a Decware inspired EL84 power amp with attenuation. My twist was to make a it a EL84 SE UL (not triode). Also I upgraded the PS a little. One PS tweak was to use a Russian PIO 4uf cap as the first cap in the PS. Also the larger electros are all snubbed.

The inter-stage caps are Audio Note Tin foil, mylar and oil. The amp I called "Tamarisk" - just like how it sounds. The finished amp looks good and not too heavy. Sound is a big step up from my already great sounding 6V6 - Ozzie tube SE UL amp. On live classical every part of the music has a layer. There every instrument is heard in its own layer and decay, reveb etc also have their own layers.

Mark Houston – retro-thermionic

Forum Thread: http://diyaudioprojects.com/Forum/viewtopic.php?f=9&t=5385
Nov 19, 2015


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