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

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12AX7-Golden-Dragon-Valve-PreAmp.jpg
12AX7-Golden-Dragon-Valve-PreAmp.jpgTube Preamp with Golden Dragon 12AX712557 viewsThis is a 12AX7 Tube preamp kit with many upgraded components. The tube is a Golden Dragon 12AX7. The capacitors are Sprague "Orange Drops".
Oct 30, 2007
Cotton-ConneX-DIY-Interconnect-Cables.jpg
Cotton-ConneX-DIY-Interconnect-Cables.jpgCotton and Silver DIY Interconnect Cables9085 viewsThese are the Cotton ConneX DIY Interconnect Cables which are very similar to the DIY Silver Interconnect Cables. The Cotton ConneX are solid Silver wire with Cotton insulation. These were hard to make as the cotton continues to fray. These were well worth the effort as the produce a different and enchanting cable.Oct 30, 2007
K-12M-Tube-Amp-Test-Listen.jpg
K-12M-Tube-Amp-Test-Listen.jpgK-12M Tube Amp - First Listen5868 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!Oct 30, 2007
K-12M-Tube-Amp-Kit-Rear.jpg
K-12M-Tube-Amp-Kit-Rear.jpgK-12M Tube Amp Kit5747 viewsThis is a rear view of my K-12M Tube Amp Kit which shows the gold RCA inputs and speaker binding posts.Oct 30, 2007
K-502-Tube-Amplifier-Kit.jpg
K-502-Tube-Amplifier-Kit.jpgK-502 Tube Amplifier Kit6883 viewsBarry's wood and Plexiglas enclosure for the K-502 Tube Amplifier Kit. Oct 29, 2007
K-12M-Tube-Amplifier-Kits.jpg
K-12M-Tube-Amplifier-Kits.jpgK-12M Tube Amplifier Kits7381 viewsThree of Mark's K-12M tube amplifier kits. More information about the enclosure construction is available at the project page: A Case for the K-12M Tube Amplifier Kit .Oct 29, 2007
Jordan-JX92S-Transmission-Line-Speaker.jpg
Jordan-JX92S-Transmission-Line-Speaker.jpgDIY T-Line Speaker with Jordan JX92S9642 viewsThis is a build of GM's Transmission Line for the Jordan JX92S. More information is available at the Tobler-ONE Jordan JX92S MLTL Speaker Project page.Oct 29, 2007
DIY-Speaker-Cables.jpg
DIY-Speaker-Cables.jpgSimple DIY Speaker Cables8359 viewsThese are simple DIY (do-it-yourself) speaker cables that I made from braiding copper strand wire. I use these cables with my DIY Hi-Vi 3-Way Tower LoudspeakersOct 29, 2007
DIY-Hi-Vi-Tower-Loudspeaker-Project.jpg
DIY-Hi-Vi-Tower-Loudspeaker-Project.jpgHi-Vi Tower-Speaker Project9811 viewsTower loudspeaker project using all Hi-Vi drivers. See the DIY Hi-Vi 3-Way Tower Loudspeaker Project page for more info.Oct 29, 2007
Open-Baffle-Plans.jpg
Open-Baffle-Plans.jpgOpen Baffle Plans from Stereo Sound "Tube Kingdom"20343 viewsThese are Open Baffle Plans from Stereo Sound "Tube Kingdom", Volume 3, 1996. The plans are in Japanese are were part of a single-driver "shootout" which included 8" full range and coaxial drivers - Altec/WE755A, Altec 755C, Altec 755E, Altec 409B, Altec 409-8E, JBL LE8T-H, EV Pro-8A, and also a 15" coaxial units Altec 604-8K and JBL 2155H.

For more information about these open baffle plans see:

- Open Baffle Speaker with Ciare CH250
and
- Open Baffle - the minimalist approach.
Oct 28, 2007
LM3875-Monoblock-Amps.JPG
LM3875-Monoblock-Amps.JPGLM3875 Chip Amp Monoblock Amplifiers6389 viewsChip amp monoblock amplifiers based on a retro look and the LM3875 chip.Oct 28, 2007
Nanoo-LM3875-Gainclone.jpg
Nanoo-LM3875-Gainclone.jpgNanoo - LM3875 Gainclone7276 viewsVery compact LM3875 chipamp with external power supply.

See the Nanoo LM3875 Gainclone Project page for more information.
Oct 28, 2007
Claravox-Dogma.jpg
Claravox-Dogma.jpgClaraVox Dogma Loudspeakers3246 viewsVery modern looking setup. If you think it looks expensive, they are $59,000 a pair for the speakers only! I wonder how well they image with the tweeter so far away from the mid?

Website: http://www.dgfdesign.it
Oct 27, 2007
ProJect-Debut-III-Phono-USB.jpg
ProJect-Debut-III-Phono-USB.jpgPro-Ject Debut III Phono USB 4562 viewsI just read about this new turntable with a USB out.

This manual turntable has an integrated MM phono preamp with A/D converter and USB output. Retail price is expected to be about $550.

More info is available at their website: http://www.project-audio.com
Oct 27, 2007
   
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