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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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PostPosted: 20 Nov 2013, 16:27 
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Joined: 06 Jun 2008, 18:23
Posts: 3784
Location: Australia
We had an Audio Note\Osborn (speakers)\CD night at the Melbourne Audio Club. The gear was off the planet with the Audio Note 833 power amps and mega high-end preamp. Greg Osborn (local speaker manufacture) supplied his new Epitome Towers with twin SEAS woofers and Focal mid. The wood grain and finish was the best I have seen on any speaker at any price.

The 833 do 100WRMS in Class A. It looked like a Genaflex KT100 for driver tube and something like a 12AX7 preamp tube. Rectification was SS. The amps weigh 75kg (from memory) each and cost here AU$21K. A local CD importer review a few dozen very select CDs he imports, Chesky, Reference recordings that sort of stuff. All very high quality in many different resolutions. Some really spectacular music!!! http://www.rockian.com.au/

The sound?? The room we hold our meetings in (about 120 each meeting) is large and audio hell. The jazz CDs etc. I think didn't sound good but the classical stuff which came later sounded a lot better.
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Projects: "Parley" - Tube preamp with Pass B1 buffer | "VoXConcentriC" - Beyma high efficiency 12" speakers | "Black Lace" - all Ozzie tube 6V6 Power amp - old school
Website: [ retro-thermionic ]


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PostPosted: 21 Nov 2013, 04:57 
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Joined: 06 Jun 2008, 18:23
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Location: Australia
A round up of a few facts: firstly the company is "Audio Music", like there are lost of other kinds, and secondly it is KT88 driver tube. More mistake to be corrected tune back later.

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Projects: "Parley" - Tube preamp with Pass B1 buffer | "VoXConcentriC" - Beyma high efficiency 12" speakers | "Black Lace" - all Ozzie tube 6V6 Power amp - old school
Website: [ retro-thermionic ]


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PostPosted: 23 Nov 2013, 20:53 
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Joined: 28 May 2008, 21:53
Posts: 4271
Location: Winnipeg, CANADA
Wow, thats some pretty nice looking gear. Thanks for sharing the photos.

Cheers

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[ DIY Mains AC Power Cable Cord ] - [ Gobo LM1875 Amp Kit ] - [ Tang Band D4-1 Horn Speaker Kit ] - [ Monoblock Push-Pull KT88 Tube Amp Kit ]


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