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Category

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DIY Audio ProjectsShow off your Do It Yourself (DIY) Audio Projects.

426

Vacuum Tube (Valve) Audio Projects

DIY Vacuum Tube Projects. Tube amplifiers and Preamplifiers.

139 files, last one added on Feb 02, 2010

Speaker and Subwoofer Projects

Show off your DIY Loudspeaker and Subwoofer projects.

106 files, last one added on Dec 14, 2009

Chipamp, Gainclone, T-Amp and Opamp Projects

DIY audio projects that are based around a single semiconductor chip or opamp like a Gainclone or T-Amp.

61 files, last one added on Jul 05, 2009

Solid State Audio Projects

DIY Audio Projects that are based around discrete (solid state) components, such as transistors MOSFETS, J-FETS ...

34 files, last one added on Sep 08, 2009

Audio Cable Projects

DIY Audio Cable Projects - Interconnect (RCA) Cables, Speaker Cables and Power (mains) Cables.

11 files, last one added on May 19, 2009

Other DIY Audio Projects

DIY Audio Projects that do not fall into the previous categories. DIY turntables, power supplies, pictures of your listening room setup.

15 files, last one added on Aug 25, 2009

S-5 Electronics Tube Amplifier Kits

A gallery of the various inexpensive Tube Amplifier Kits from S-5 Electronics. K-8LS, K-12, K-16, K-502.

37 files, last one added on Jun 13, 2009

Commercial Hi-Fi Audio

Photos of Commercial Hi-Fi Audio Gear and Components.

23 files, last one added on Jun 13, 2009

8 albums on 1 page(s)

426 files in 8 albums and 2 categories with 5 comments viewed 666194 times

Random files

MM Phono Preamp (battery powered) - inside592 viewsThis is my second build of the Jaycar MM phono preamp kit I have completed. This time I wanted it to run from batteries. Three 9V lithium batteries in series provide 27V. A resistive network produces a virtual +/- 13.5V supply for the OPA2134 opamp chips. The cct. brd.(PCB) can very easily be wired so diodes and regulators are not required. No track (trace) cutting is required and only a few simple straps and two resistors are required. An Alps Blue Velvet pot and pure silver wire, silver solder and gold RCAs make this a quality build. Bitumanised Aluminum foil lines the lid and bottom of a sleek compact ABS plastic enclosure to form a smart looking excellent sounding MM phono preamp. See the additional images.

Chassis and plastic1019 viewsBending the plastic was a pain, i did it with a hair dryer and a LOT of patience... i don't recommend you to try to do it, it takes a lot of effort and time.

Jordan JX92S Fullrange Speaker Drivers1106 viewsA pair of Jordan JX92S Fullrange Speaker Drivers.

2SK1058 Single-Ended Class-A Amplifier. Retro style design.602 viewsRetro style design Class-A power amplifier with zero negative feedback. It was built based on the schematic of DIY Class-A 2SK1058 MOSFET Amplifier project by Mark Houston.
For more pictures and details, please visit http://alexkap.com.

Last additions

Retro tube amp Telefunken EL11 & EF12 + Tungsram AZ1134 viewsNice sound from years before word war II of 20th century.

see the forum: My "Retro" tube amplifier (EL11, EF14, AZ11) for more information.

Feb 02, 2010

DIY 6V6 Push-Pull Tube Amplifier184 views6V6 push-pull tube amp with Hammond 1608A audio output transformers. 6SL7 input and GZ34 rectifier. See the DIY Push-Pull (PP) 6V6 Tube Amplifier Schematic for full details. Dec 21, 2009

Peerless and Seas 2-way Towers in Zebrawood392 viewsThe fun part about building these speakers was the crossover design with a Zobel and Baffle Step Compensation (BSC). I wanted to try a larger driver than a 6.5 inches. I am really pleased with the sound and image. Unbelievable sound for the cost. The crossover uses open air inductors and Solen capacitors. The Veneer is Zebrawood adhesive backed. I was able to match the grain on both sides and the fronts. One coat stain and finish followed by paste wax. The speakers are drying in the garage awaiting the living room. Next is a pair of open baffle 3 way with active cross using DIY chip amps.Dec 14, 2009

DIY Monoblock KT88 Push-Pull Tube Amplifier Kits265 viewsShown in the photograph are a pair of DIY Monoblock KT88 Push-Pull Tube Amplifier Kits. See the review for additional details of this great sounding tube amp kit. Also shown in the photo is a NAD C521i CDP used a transport and a Behringer SRC2496 which is being used as an up-converting DAC. The little black box is a DIY Lightspeed (optocoupler) Attenuator.Nov 30, 2009

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