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.
8 614
Vacuum Tube (Valve) Audio Projects


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

234 files, last one added on Feb 28, 2017
Album viewed 20 times

Speaker and Subwoofer Projects


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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


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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


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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)

614 files in 8 albums and 1 categories with 5 comments viewed 3,147,010 times

Random files
6SN7-6L6-Tube-Amp-1.jpg
6SN7-6L6-Tube-Amp-1.jpg6SN7 / 6L6 DIY Tube Amp6364 viewsThe valve lineup for each channel is a 6SN7 as first amplifier and phase splitter, followed by another 6SN7 driving a pair of 6L6s. Bias is set by active semiconductor current sinks. The 400V HT is generated by a double anode diode (5R4) driving a choke input filter. The audio output transformers are Hammond Manufacturing 1620s. With a conservative rating of 20W per channel, measured frequency response is 10Hz to 40KHz with minimal square wave overshoot. I'm very pleased with how this unit sounds and looks.

Schematic Drawing: Williamson 6SN7 - 6L6 (KT66) Tube Amplifier
DIY-Fostex-FX120-Transmission-Line-Speaker.jpg
DIY-Fostex-FX120-Transmission-Line-Speaker.jpgDIY Fostex FX120 Transmission Line Speaker7453 viewsHere the Fostex FX120 fullrange driver is used in a DIY Transmission Line Speaker Enclosure. Fore more information, see the DIY Fostex FX120 Transmission Line Speaker Project.
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DIY-Three-Way-Tower-HiVi-Speakers.JPGDIY Three Way Tower HiVi Speakers6265 viewsDavid has completed a build of Adam's DIY 3-Way HiVi Tower Speaker Project. Each three-way tower loudspeakers uses one HiVi F8 woofer, two HiVi F5 mid-woofers and a HiVi RT1C-A Planar Isodynamic Tweeter. The speaker is the same as the original build with the exception that a HiVi Research RT1C-A tweeter is used in place of the HiVi SD1.1A tweeter.
CMoy-Headphone-Amplifier.jpg
CMoy-Headphone-Amplifier.jpgCMoy Headphone Amplifier4848 viewsCMoy Headphone Amplifier with 470uF capacitors and one 9B battery for the power supply. The opamp chip is a Burr Brown OPA2134PA. The enclosure is a Hammond 1455.

See the new CMoy Headphone Amp build thread for more information.

Last additions
DIY-6AS7-Tube-Headphone-Amplifier.jpg
DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier3340 viewsMy name is Laurie. I have been building and DIYing for 45 years now and happily will never stop. This tube headphone amp is from a thread in the Form.

The power connecting cable comes from a European Travel Iron I bought for $1.00 at junk shop. (220v/6A) They will be shortened when I find a perch for the amp and me. The sound is better than my ears have ever heard so I will be keeping this one for my retirement entertainment should such a time ever come. Wink It has worked from day one and continues to please me every time it is turned on. The tubes are JJ ECC88 / 6AS7 with a 5V4 rectifier tube. To spite it's small size the parts are quite easily accessed. I over built most components so it will outlast me I fear. The only change I anticipate may be the 6AS7 to a bottle neck glass to match the rectifier tube. I do have and use a 6080 tube, but i can tell no difference in sound. It will take more then a few hours of listening to get my ears better tuned.
Feb 28, 2017
4-channel-400W-amplifier.jpg
4-channel-400W-amplifier.jpg 4 channel, 400 W amplifier2607 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 Amplifiers2746 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 Amplifier2278 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


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