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
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
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 3,326,651 times
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Fostex-FX120-Magnet.jpgFostex FX120 Speaker Mounted on Baffle10689 viewsThe Fostex FX120 Fullrange Speakers have a removable rubber ring that goes around the magnet. The baffle is 1" thick, so I used to router to make a 1/2" chamfer to give the driver some room to breathe. The hookup wire is plain 22 ga copper.
JAN6418HPD_Gallery.jpgRaytheon JAN6418 sub-mini valve portable headphone amp2728 viewsJust when you thought you had seen it all something "different"comes along. This 9V valve front-end headphone amp/driver is based on a Oatley Electronics (Australian) kit. I built the kit stock standard and loved the sound. Then upgraded most parts to make a "Signature" strength preamp version. A L4949 5V regulator chip and PT2308 headphone driver come with the kit which also has two Raytheon JAN6418 sub-mini valves. As a preamp (replace the PT2308 with an OPA2134) or headphone amp the kit is excellent. I run both on two 9V lithium batteries in parallel.The amp only draws 12mA! Soundstage is excellent and bass rich and extended. The bandwidth is <10hz to 50Khz (-3db points).
See the JAN6418 Valve (Tube) Preamplifier / Headphone Amp Kit project page for full details.
Diaphony4.jpg"Diaphony's" An open baffle design6739 viewsConstruction
Push-Pull-6V6GT-6SN7GT.jpg6V6GT Push-Pull (PP) Amplifier2427 viewsThe 6V6 PP Amp is my very 1st attempt at valves and built it about 18 months ago...
Keith (Christchurch, New Zealand)
Last additions
DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier4525 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, 400 W amplifier3540 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.jpgDual SV83 SET Amplifiers3598 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, USADec 20, 2015
6V6-Push-Pull-Amplifier.jpgPush-Pull (PP) 6V6GT Tube Amplifier2960 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.
