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| 614 files in 8 albums and 1 categories with 5 comments viewed 3,776,734 times |
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Fostex-FE206E-Rear-Loaded-Horn.jpgFostex FE206E Rear Loaded Horn23225 viewsThese are my Fostex FE206E fullrange loudspeakers. The cabinet is the Fostex FE208E Sigma recommended enclosure. Two layers of ply 1/2" and 3/4", mahogany stained sides and birds eye maple baffles.
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DIY-Zigmahornet-Loudspeakers-Merrill-4_4-drivers.JPGZigmahornet Loudspeakers with Merrill 4.4 Fullrange Drivers6338 viewsThis was my first attempt at speaker building. They are Zigmahornet Speakers with Merrill 4.4 fullrange speakers instead of the Fostex FE103E. I chose black paint because it fit with the TV and TV stand/stereo cabinet that I have plus it hides my questionable workmanship. All in all, I really enjoyed making them and with the Merrill drivers they sound great with a surprising amount of bass from such a small driver.
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DIY-KT88-Single-Ended-Tube-Amp~1.jpgDIY KT88 Single Ended Tube Amp5262 viewsFront view of my KT88 Single Ended Tube Amplifier. The circuit follows Mikael Abdellah's Single Ended (SE) KT88 Tube Amplifier Schematic.
Additional information and pictures for this project are available on my build log: SE KT88 Tube Amp.
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Sansui-SR-1050C-Fully-Manual-Turntable.jpgSansui SR-1050C Turntable5545 viewsA Sansui SR-1050C, fully manual phono turntable.
I did the following mods to it:
1- Installed a new Shure m350ed cartridge
2- Replaced the belt
3- Added a belt strength regulator screw (the original design didnt have it)
4- Replaced the RCAs with gols plated ones
5- Replaced the Saprk Killer cap with X2 cap.
6- Installed ferrite chokes on audio and power cable.
7- Installed an EMI-RFI filter
It sounds and works great now.
Bernardo
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DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier6971 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 amplifier5977 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 Amplifiers6210 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 Amplifier5165 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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