[AMRadio] Cheap 6L6GC / 7581 / 7027?


Brian Carling bcarling at cfl.rr.com
Tue Feb 28 08:40:48 EST 2006


Yeah his ad is funny too "No equipment modifications"
- except you have to modify the equipment to add a plate cap lead!

Hilarious. $6 each is way too high. A 6BG6 sweep tube normally 
goes for about $2 or at most $3 new and $1 or less for used ones.

On 28 Feb 2006 at 6:49, Jim candela wrote:

> 
> 
> 
> Hi All,
> 
> Check this out, and tell me if you think this guy has discovered a gold
> mine. Here is what he says:
> 
> "We have procured a VERY large supply of new old stock Philips/ECG (formerly
> Sylvania) 6BG6GA tubes that are PERFECT replacements for any 6L6 or 7027A"
> 
> http://www.vacuumtubes.com/6BG6.html
> 
> 
> My recollection is that the 6L6, 7581, KT-66, 807, 1625, 7027, 6BG6 are all
> very similar except for maximum ratings, basing, filament voltage, plate cap
> or none, etc.
> 
> He alleges that the late ECG 6BG6 has the same internal construction of the
> 7581, and is capable of dissipating 35 watts plate dissipation without color
> or thermal run away. I recall an add in GE HAM news about the multi-layer
> plate on a 6L6GC that made the same claim. If this guy is correct, then this
> is one heck of a deal.
> 
> Wasn't the 6L6 the first commercial Octal based tube made?
> 
> Regards,
> Jim
> WD5JKO
> --
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