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 NEW    Bruce Heran outlines the details and construction of his simple DIY 6DJ8 (ECC88) Tube Hi-Fi Headphone Amplifier Project.

DIY Audio Projects Photo Gallery


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MC-Step-up-Tranformer.jpg
MC-Step-up-Tranformer.jpgDIY MC Step-up Transformer2894 viewsI the everlasting quest to better audio, I entered the realm of the moving coil phono cartridge with a Denon DL-103. To rise the output voltage of the Denon DL-103, I've build this Step-up transformer with two mic transformer from Edcor , I've use cast iron pipe bend with end plugs to make an electromagnetic shield. RCA connectors are recessed in the back of the pipes which are mounted on a black walnut plinth.

FĂ©lix-Antoine (Canada)
DIY-Acrylic-Platter-Turntable.jpg
DIY-Acrylic-Platter-Turntable.jpg4237 viewsFor this DIY turntable I used 1-inch thick acrylic for the platter and plinth, a Pro-Ject tonearm, 2.5-inch machined aluminum legs and built opening glass top and base. The motor is suspended in aluminum case and is vibration free. I also built in a remote on-off so there are no wires showing anywhere.

Also see the video on YouTube - DIY Turntable Scott 299 amp

Ken V. - New York, USA ( this on YouTube @ DYI Turntable Scott 299 amp)
DIY-Turntable.jpg
DIY-Turntable.jpgDIY Turntable with Dual 701 Direct Drive Motor4461 viewsThe DIY turntable is built around the drive motor assembly from a Dual 701 record player. The plinth is built up by stacking plywood pieces. The tonearm is made from scratch following a complicated magnetically stabilized pick-up design.

For full project details see the DIY Turntable project page.
DIY-Record-Player.jpg
DIY-Record-Player.jpgDIY Record Player using Dual 701 Motor4213 viewsNandor built a stacked plywood plinth and a magnetically stabilized tonearm to go with his direct drive motor assembly from a vintage Dual 701 record player.

See the DIY Record Player project page for full details.
Copy_of_Turntable_092.jpg
Copy_of_Turntable_092.jpgDIY Turntable7374 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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3.jpgDIY Guitar Amplifier 6243 viewsA photograph of the finished DIY Guitar Amplifier. The simple graphics on the faceplate are custom made and a fender speaker cover is used. The amplifier is a K-16LM 16W Mono Tube Amp Kit.
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2.jpgDIY Guitar Amplifier - Inside7664 viewsHere is a photograph of the inside of the cabinet. You can see the K-16LM mono 16W tube amplifier kit mounted to the top. At the bottom there is a tiny General Electric 6SC7 tube preamp. Nice tube clipping!
Happy_Feet.jpg
Happy_Feet.jpgDIY Loudspeaker Feet6566 viewsThis is a photo of my loudspeaker feet project. For instructions on how to build the loudspeaker feet, see the DIY Loudspeaker Feet Instructions in PDF.

Much regards,
Guus Das.
Sansui_1.JPG
Sansui_1.JPGSansui AU-X11 (rare)8283 viewsThe Melbourne Audio Club Australia has many talented members. Some sell commercially, all over the world, there own brands others DIY for themselves while still others take it on themselves to restore "better" commercial units. This member has restored this (I'm told) rare Sansui AU-X11. It certainly looks impressive.
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DIY-Phono-Turntable-3~9.jpgDIY Phono Turntable Project10038 viewsI used MDF filled with concrete / latex added to mix then veneered with Quilted Maple. The bearing is High grade SS and the cup is made of Oilite. The spikes are 2 piece with a rubber damper inside. The Motor is powered by a UPS battery enclosed in the small matching box.
Doug M
DIY-Phono-Turntable-2.jpg
DIY-Phono-Turntable-2.jpgDIY Turntable Project8619 viewsDIY turntable project. I used MDF filled with concrete / latex added to mix then veneered with Quilted Maple. The bearing is High grade SS and the cup is made of Oilite. The spikes are 2 piece with a rubber damper inside. The Motor is powered by a UPS battery enclosed in the small matching box.
Doug M
DIY-Phono-Turntable-1.jpg
DIY-Phono-Turntable-1.jpgDIY Phono Turntable10638 viewsDo-It-Yourself (DIY) phono turntable. I used MDF filled with concrete / latex added to mix then veneered with Quilted Maple. The bearing is High grade SS and the cup is made of Oilite. The spikes are 2 piece with a rubber damper inside. The Motor is powered by a UPS battery enclosed in the small matching box.
Doug M
DIY_Loudspeaker_Feet.pdf
DIY_Loudspeaker_Feet.pdfDIY Loudspeaker Feet Instructions6450 viewsHere are DIY instructions to construct feet for returning loudspeakers to the exact same position. Here is a link to a photograph of the finished DIY Loudspeaker Feet.

Much regards,
Guus Das.
PreampComp.jpg
PreampComp.jpgMelbourne Audio Club - Preamp Comparison Night6493 viewsAt the May GM of the Club we did a blind A/B comparison between my 12AX7 Tube Preamp and OP Amp Preamp while the rest of the gear remained unchanged. No member knew whether he was listing to the valve or chip preamp, just A or B. Two similar tracks was played from a wide range of music styles the first track on one preamp and the second track on the other. The members voted 60/40 in favor of the chip preamp.
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SV100841.JPGInside the Step-up tranni box for MM cartridge5410 viewsThe inside of the box is lined with sticky bituminised-aluminum foil and speaker dampening vinyl. Pure silver wire, gold connectors and silver solder are used throughout. Velcro pads hold the transformers in place. The step-up transformers are wired for 6 dB gain. For more information, see my project write-up on the DIY Lundahl Moving Magnet Phono Step-Up Transformers.
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SV100843~0.JPGLundahl transformer step-up project for MM cartridge.5705 viewsI recently upgraded my Raga Planar 3 with a Grado wood bodied Platinum reference cartridge. But output was low from the Pro-Ject SE phono preamp. LL1550 trannies supplied by K & K Audio and printed circuit boards allowed me to build a step-up kit in the wooden box the Grado cartridge came in. Compact and beautiful! For more information, see DIY Lundahl MM Phono Step-Up Transformers.
2-channel-Hi-Fi-Setup.jpg
2-channel-Hi-Fi-Setup.jpgGio's Two Channel Hi-Fi Setup5206 viewsThis is my current 2-channel setup. NAD C521 CD player, NAD C162 preamp, DIY 50EH5 Tube Amp which drives Radio Shack 40-1310 Super Tweeters) and LM3886 Chip Amplifier (Gainclone) which drives a pair of BD-Pipes with Radio Shack 40-1197 drivers. The small box on the bottom right is a Slim Devices Squeezebox.
Velleman-DIY-Audio-Kits.jpg
Velleman-DIY-Audio-Kits.jpgTwo inexpensive Velleman kits4750 viewsA preamp & amplifier kit that I'm going to combine to make a small integrated amp.
The preamp has volume and separate bass & treble controls.
The amplifier uses a TDA1521 IC.
K-12M-Tube-Amp-Test-Listen.jpg
K-12M-Tube-Amp-Test-Listen.jpgK-12M Tube Amp - First Listen5703 viewsThis is my first listen with a K-12M Tube Amp Kit. The source is a NAD C542 cd player, with 3 way 12" 92dB efficient speakers and Transparent 200 interconnect cables. A cool way to get into valve amps. I lost 1000 hours here!
 
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