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JBL PL-100 Vacuum tube amplifier system

Posted by ampzilla@telia.com (A) on January 2, 2008 at 10:22:18

My Vacuum tube amplifier
Are there anyone who have seen them or have picture when they are mounted in a Hartsfield system?
JBL PL-100 Vacuum Tube Amplifier system (1959-60)see link.

The PL100 was made in two modules one Bass+ one mid-treble (active crossover), so that it would fit in the spaces to the right and left of the tweeter in the rear compartment at the top of the "Hartsfield" speaker cabinet. The dual package also permitted more convenient mounting in other enclosures. There are no pictures that I know , taken with the amps mounted.
A extremely well sounding amplifier with positive and negative balanced feedback .Adjustable DampingFactor.

Made in only 10 system (5 Stereo system).Today there is only one working stereo system I know about (it's my system). (uses 6pcs 6973 in each ch.)
(20+40watt/ch)2*60W total

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