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| 614 files in 8 albums and 1 categories with 5 comments viewed 3,112,732 times |
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STA1-12AU7-ECC82-DIY-Tube-Preamp-Kit-Chassis.jpgSTA1 DIY Tube Preamp Kit (12AU7/ECC82)4412 viewsThis is my finished STA1 tube preamp kit from Lighthouse Electric. This design uses three 12AU7 tubes. I prefer the 12AX7 tube preamp kit that I built over the STA1.
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Copy_of_Turntable_092.jpgDIY Turntable7867 viewsThis is the Finished Turntable with Dynavector DV10X5 MC on one tonearm and a Shure M97XE on the other. Both tonearms were extended and DIY Headshells were used. The Sealed Lead Acid Battery does a great job powering the TT and with only an hour or two listening per day, lasts all week (Maybe longer??)
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Diaphony4.jpg"Diaphony's" An open baffle design6199 viewsConstruction
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BBAmpS.jpgBBAmp (BeBamp) bread board tube amp with no driver stage.2591 viewsI wanted to see if I could drive a SE UL tube power stage from a two stage tube preamp. This bread board amp (BBAmp - BeBamp) was constructed to test the theory. Most bread board amps have the wiring exposed. I wanted this to look and sound excellent so all wiring is underneath the bread board. There are lots of exposed components e.g. rectifier components, but all wiring is hidden. The bread board is Australian pine, sanded and treated with Australian beeswax. Edcor OPTs are enclosed in the aluminum case (back right) which provides a back plate for speaker posts and input RCAs. The amp is absolutely dead quiet and extremely transparent. The amp will produce the sonic signature of your preamp. A high gain preamp and very sensitive speakers are required. This can be shipped as a modular bread board kit amp. The tubes are JJ Blue Glass KT88.
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DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier3192 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 amplifier2455 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 Amplifiers2627 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 Amplifier2185 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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