| Random files - DIY Audio Projects |
Fostex-FX120-DIY-Bass-Reflex.jpgFostex FX120 Speaker in Bookshelf Sized DIY Bass Reflex Enclosure8175 viewsDIY Bass Reflex Speakers using the Fostex FX120 Fullrange Driver.
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DIY Fostex FX120 Bookshelf Bass Reflex Speaker Project
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Fostex-FX120-Fullrange-Driver.jpgFostex FX120 Fullrange Driver9384 viewsCloseup of the Fostex FX120 fullrange driver used in a T-Line Speaker Box. For more info, see the Fostex FX120 MLTL Speaker Enclosure project page.
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TubeLab-Simple-SE-6L6GC-Tube-Amp.jpgTubeLab Simple SE 6L6GC Tube Amp4151 viewsUnderside view of the Simple SE Tube Amplifier using a PCB from tubelab.com. The motor run capacitor is 90uF / 370V. The choke is a Triad C-14X which is 6H 150 ohm and rated at 200 mA. This amp really runs dead silent - no hum whatsoever with my 93 dB Polk Speakers.
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KT88-Push-Pull-Vacuum-Tube-Hi-Fi-Amp.jpgKT88 Push-Pull Tube Amplifier with 12SL7 Driver2934 viewsKT88 Push-Pull Tube Amplifier with a 12SL7 Driver stage and a 6NO30 thermal delay relay tube. The amplifier is build following Bruce's 12SL7 SRPP / KT88 Push-Pull DIY Tube Amp build. The power tubes are new production KT88 Gold Lions made by Genalex.
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| Last additions - DIY Audio Projects |
DIY-6AS7-Tube-Headphone-Amplifier.jpgDIY 6AS7 Tube Headphone Amplifier6453 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 amplifier5143 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 Amplifiers5303 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 Amplifier4337 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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