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Audio and Video Talk
The Vintage Audio Section
Ancient old Radio's: worth Restoring ?
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<blockquote data-quote="Family_Dog" data-source="post: 197416" data-attributes="member: 82"><p>There is space above the chassis for this, not too much below the chassis, but also not impossible if using a B7G or B9A based valve. The E438 valve with a blown filament looks perfect - almost new - such a pity the filament has gone. I did find one available in NZ a few years ago but the remaining valves are very weak, obviously original ones that came with the radio. If memory serves me right, my AVO CM measured them at around 15-20% efficiency, so I never bothered bringing the valve in. Would have set me back about R100 at the time to do so.</p><p></p><p></p><p>-F_D</p></blockquote><p></p>
[QUOTE="Family_Dog, post: 197416, member: 82"] There is space above the chassis for this, not too much below the chassis, but also not impossible if using a B7G or B9A based valve. The E438 valve with a blown filament looks perfect - almost new - such a pity the filament has gone. I did find one available in NZ a few years ago but the remaining valves are very weak, obviously original ones that came with the radio. If memory serves me right, my AVO CM measured them at around 15-20% efficiency, so I never bothered bringing the valve in. Would have set me back about R100 at the time to do so. -F_D [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Ancient old Radio's: worth Restoring ?
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