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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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Raytheon JAN6418 sub-mini valve preamp in a Jewelery box

Not much to see here except to note this is an extremely "pretty" jewelery box of the timber variety. The box was reduced from $60 to $30 and this purchase prompted me to build the preamp. I like my pretty and cute enclosures. See other images for more detail. The preamp modules are part of a kit from Oatley Electronics Australia but many parts have been upgraded. The back holds a brushed Aluminum bar with the input/output RCAs and power switch. Should battery voltage fall below 6.8V (two lithium 9V batteries power the unit) a led on the cct. brd. will light. Lifting the gold catch and taking a look will disclose this.

The box is heavy and the wood thick and the Makassar timber pattern on the lid makes this a stunning enclosure, especially if you are bored with putting your creations into plain tin boxes. The preamp plays well but the tubes take a few hours to burn in so be warned.

Full details and variations to this tube preamp kit are available on the JAN6418 Valve (Tube) Preamplifier Kit page.

KT88-Push-Pull-Vacuum-Tube-Hi-Fi-Amp.jpg Genalex-Gold-Lion-KT88-Vacuum-Tubes.jpg Jan6418JewelBox.jpg Jan6418JewelBoxInside.jpg Jan6418JewelBoxRear.jpg
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Filename:Jan6418JewelBox.jpg
Album name:Vacuum Tube (Valve) Audio Projects
Filesize:147 KiB
Date added:Jul 25, 2009
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