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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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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 2,455,287 times

Random files
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00002.jpgCustom PCB3169 viewsFront of the LM3886 and power cables, the rest of the cables needed to make a star ground where much more thinner (single wire).
DIY-LM3875-Gainclone~0.jpg
DIY-LM3875-Gainclone~0.jpgDIY LM3875 Gainclone - rear view3453 viewsA gainclone chip amp with an external power supply. The design is based on my Roasting Pan LM3875 Gainclone Chip Amplifier. All wiring is point-to-point.
mURI_temp_e4a2b45b.jpg
mURI_temp_e4a2b45b.jpgDIY Speaker Cable - Twisted Pair Design5322 viewsThis is DIY Speaker Cable that I made for a friend.
This is the regular twisted pair design with the double shielding. I've used the regular heat shrink tube for the primary shield and nylon braided sleeve for the secondary shield.

The ends are terminated via plastic banana pins.

Here are my DIY Braided Speaker Cables.
K_16LS_Tube_Amp_Kit_with_PL_Preamp_Kit.jpg
K_16LS_Tube_Amp_Kit_with_PL_Preamp_Kit.jpgK-16LS Tube Amp Kit with PL Tube Preamp3477 viewsAfter months of looking I finally decided on the S-5 Electronics K-16LS stereo tube amplifier kit together with its sister PL tube preamplifier kit. The Stereo Integrated Tube Amplifier produces up to 16W and utilizes 5670 triode and 6005 pentode tubes. The PL tube preamp kit uses a 5670 triode tube.

I ditched the supplied wood board for a larger board to accommodate the preamp. Using my IPod and a set of Celestion floorstanders (90dB) I sat back to listen. WOW - seriously loud. Bass is fantastic, treble is sharp. Mid range seems to be missing a bit but after trying different tracks I am putting this down to poor quality source MP3 via the IPod. There is a reasonable amount of hum when you take the volume up but nothing annoying.

Next step is to attempt the mods for the K-12 kits.

David - UK

Last additions
Class-D-SureElectronics-Amp.jpg
Class-D-SureElectronics-Amp.jpgClass-D Sure-Electronics Amplifier11 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)13 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 amplifier193 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
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Beyma-12XA30Nd-Speaker.jpgBeyma 12XA30Nd Speaker304 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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