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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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Category Albums Files
DIY Audio ProjectsShow off your Do It Yourself (DIY) Audio Projects.
8 607
Vacuum Tube (Valve) Audio Projects


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DIY Vacuum Tube (valve) Projects such as Tube Amplifiers and Tube Preamplifiers.

228 files, last one added on Oct 03, 2014
Album viewed 20 times

Speaker and Subwoofer Projects


Fostex-FX120-Bass-Reflex.jpg

A photo gallery to show off your DIY Loudspeaker and Subwoofer projects and kits.

135 files, last one added on Sep 25, 2014
Album viewed 22 times

Chipamp, Gainclone, T-Amp and Op-amp Projects


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

74 files, last one added on Dec 15, 2014
Album viewed 11 times

Solid State Audio Projects


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

56 files, last one added on Jul 04, 2013
Album viewed 11 times

Audio Cable Projects


Cotton-ConneX-DIY-Interconnect-Cables.jpg

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

11 files, last one added on May 19, 2009
Album viewed 5 times

Other DIY Audio Projects


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

19 files, last one added on Jun 16, 2013
Album viewed 15 times

S-5 Electronics Tube Amplifier Kits


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A photo gallery of the various inexpensive Tube Amplifier Kits from S-5 Electronics that have been built by DIYers. The kits include the K-8LS, K-12, K-16 and the similar K-502.

51 files, last one added on Sep 03, 2013
Album viewed 11 times

Commercial Hi-Fi Audio


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Photos of Commercial Hi-Fi Audio Gear, Components and Products.

33 files, last one added on May 15, 2012
Album viewed 5 times

8 albums on 1 page(s)

607 files in 8 albums and 1 categories with 5 comments viewed 2,507,052 times

Random files
6SN7-6L6-Tube-Amp-3.jpg
6SN7-6L6-Tube-Amp-3.jpg6SN7 / 6L6 Tube Amp6198 viewsWilliamson front end and phase splitter, with ultralinear output stage. 6SN7, followed by another 6SN7 driving a pair of 6L6.

Tube Amp Schematics: Williamson 6SN7 - 6L6 (KT66) Tube Amplifier
IMG_1875.JPG
IMG_1875.JPGriverrat373's K-502 Tube Amplifier Kit - Side3805 viewsSide view of the K-502 Tube Amp Kit.
Fostex-FE126E-Rear-Loaded-Horn-Speaker.jpg
Fostex-FE126E-Rear-Loaded-Horn-Speaker.jpgRear Loaded Horn Speaker with Fostex FE126E6936 viewsThis is a diy rear loaded horn (back loaded horn - BLH) speaker that uses the Fostex FE126E fullrange speaker driver.
BBAmpS.jpg
BBAmpS.jpgBBAmp (BeBamp) bread board tube amp with no driver stage.1911 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.

Last additions
Class-D-SureElectronics-Amp.jpg
Class-D-SureElectronics-Amp.jpgClass-D Sure-Electronics Amplifier170 viewsThis is my first DIY Class-D amplifier. The amp is based on a $30 Sure-electronics module. The amplifier modules requires only a 30VDC high current power supply because into 4 ohm it can produce 100Wpc. The enclosure is an off the shelf 2U 19” rack mount type. The power supply has an 18-0-18V, 9A toroidal transformer. A 10A rec bridge, some snubbing caps and 30,000 uF of stage caps make up the power supply. Two selectable inputs provide direct connection to the amp module or connection via an Alp pot and 4 Oz brass knob. Very crisp sounding with good detail... See the forum thread Class D 100W power amp for more information.

Mark Houston – retro-thermionic
Dec 15, 2014
Class-D-SureElectronics-Amp-Inside.jpg
Class-D-SureElectronics-Amp-Inside.jpgClass-D Sure-Electronics Amplifier (Inside)177 viewsThis is my first DIY Class-D amplifier. The amp is based on a $30 Sure-electronics module. The amplifier modules requires only a 30VDC high current power supply because into 4 ohm it can produce 100Wpc. The enclosure is an off the shelf 2U 19” rack mount type. The power supply has an 18-0-18V, 9A toroidal transformer. A 10A rec bridge, some snubbing caps and 30,000 uF of stage caps make up the power supply. Two selectable inputs provide direct connection to the amp module or connection via an Alp pot and 4 Oz brass knob. Very crisp sounding with good detail... See the forum thread Class D 100W power amp for more information.

Mark Houston – retro-thermionic
Dec 15, 2014
SE-6V6-Amplifier-after-Lacewood.jpg
SE-6V6-Amplifier-after-Lacewood.jpgCopy of Matt's SE 6V6 Lacewood amplifier391 viewsHello,

This is my copy of Matt’s (Suncalc) single-ended 6V6 Lacewood amplifier which is actually made from Sri-Lankan Satinwood, Padauk and brass.

Keith Graham Cheltenham, UK.
Oct 03, 2014
Beyma-12XA30Nd-Speaker.jpg
Beyma-12XA30Nd-Speaker.jpgBeyma 12XA30Nd Speaker579 viewsThese are the most expensive speakers I have made. Drivers are Beyma 12” with a titanium\polyester concentric 2” dome – 12XA30Nd. Efficiency is 98db\1W\1M for the woofer section and 105db for the tweeter. The drivers can handle 700W! Box is 33ltr and heavily braced with 4” rear port. Finish is heavily stippled and applied with a roller. Xover is at 2KHz. Bass is not super low and requires a subwoofer for better bass. Speakers work extremely well with my 0.5W 1920s tubed amp. See the forum thread Beyma, a Spanish coaxial driver for more information.

Mark Houston – retro-thermionic
Sep 25, 2014


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