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Audio and Video Talk
Valves / Vacuum Tubes
Wim Bouwman PreAmp
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<blockquote data-quote="fredeb" data-source="post: 746664" data-attributes="member: 13623"><p>I was wondering if anyone could identify this preamplifier or line buffer that I bought about 5 or 6 years ago ? I was looking through the Steinhart schematics and thought that it could possibly be one of them , but no luck . The 2 tubes are 12BH7's and the 2 cans are LM317K voltage regulators . </p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165208.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165432.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165610.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165715.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165728.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="fredeb, post: 746664, member: 13623"] I was wondering if anyone could identify this preamplifier or line buffer that I bought about 5 or 6 years ago ? I was looking through the Steinhart schematics and thought that it could possibly be one of them , but no luck . The 2 tubes are 12BH7's and the 2 cans are LM317K voltage regulators . [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165208.jpg[/IMG] [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165432.jpg[/IMG] [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165610.jpg[/IMG] [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165715.jpg[/IMG] [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Steinhart%20pre/IMG_20170101_165728.jpg[/IMG] [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Wim Bouwman PreAmp
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