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 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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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)

Random files - DIY Audio Projects
DIY-Hi-Vi-Tower-Loudspeaker-Project.jpg
DIY-Hi-Vi-Tower-Loudspeaker-Project.jpgHi-Vi Tower-Speaker Project10062 viewsTower loudspeaker project using all Hi-Vi drivers. See the DIY Hi-Vi 3-Way Tower Loudspeaker Project page for more info.
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IMG_1420.JPGDIY Heat Sink3376 viewsAfter polishing... beautiful, no?
Half-Chang-Audio-Nirvana-Super-8-Cast-Frame-Speakers.jpg
Half-Chang-Audio-Nirvana-Super-8-Cast-Frame-Speakers.jpgHalf Chang Speakers with Audio Nirvana Super 8 Cast Frame Drivers8458 viewsPair of Half Chang Speakers using the Audio Nirvana Super 8 Cast Frame Drivers. Sorry for the
low res photo taken with my mobile phone.
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BeBampDStage6SN7ss.jpgBe Bamp 6SN7 remote driver-under the bonnet2300 viewsUnder the bonnet of the new 6SN7 Be Bamp remote driver stage can be seen the Russian 0.47uf paper, foil and oil caps (green) and component layout. The bi-pass caps are low ESR types and the filter cap was snubbed. Only additional wire used was the filament wire and two earth connections. The assembly method was component-2-component wiring. No hook-up wire was used in the signal path at all and the signal path is very short. Tube socket is ceramic with gold plated pin connects.

This driver stage out-performs the original 6N1P stage, to my ears anyhow. Better bass, deeper, better textured sound stage, extended reverb and a warmer sound in the mid-range.

Last additions - DIY Audio Projects
DIY-6AS7-Tube-Headphone-Amplifier.jpg
DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier3405 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
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4-channel-400W-amplifier.jpg 4 channel, 400 W amplifier2663 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
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E88CC-SV83-SET-Amplifiers.jpgDual SV83 SET Amplifiers2776 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
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6V6-Push-Pull-Amplifier.jpgPush-Pull (PP) 6V6GT Tube Amplifier2300 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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