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| 614 files in 8 albums and 1 categories with 5 comments viewed 3,775,908 times |
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Half-Chang-Audio-Nirvana-Super-8-Cast-Frame-Speakers.jpgHalf Chang Speakers with Audio Nirvana Super 8 Cast Frame Drivers9478 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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6T9-Tube-Amp-Rear.jpg6T9 Hi-Fi Vacuum Tube Amplifier2939 viewsRear view of the DIY 6T9 Tube Amplifier. The amplifier uses circuit boards purchased from Spare Time Gizmo. The power / filament transformer and audio output transformers are from Edcor. Mark's 6T9 ultra-liner tube amp modifications were also used.
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Oatley-Electronics-K295-Tube-Buffer-Kit-Enclosed.jpgOatley Electronics K295 Tube Buffer Kit - Enclosed2878 viewsThe finished K295 tube buffer kit which will be used for an instrument preamp.
There is more information in the K295 stereo JAN6418 tube buffer / preamp kit thread.
See the inside photo of the Oatley Electronics K295 Tube Buffer Kit.
Mark Houston (Australia) - Mongrel Dog Audio
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6SN7-6V6-SE-Black-Lace.jpgBlack Lace - SE 6V6 Amplifier3297 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
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DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier6969 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 amplifier5976 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 Amplifiers6207 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
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6V6-Push-Pull-Amplifier.jpgPush-Pull (PP) 6V6GT Tube Amplifier5163 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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