Mila1924 Posted July 8, 2019 Share Posted July 8, 2019 Vintage H.H. SCOTT LK-72 Tube Integrated Amp (1961) FULLY SERVICED, NEW TUNG SOL OUTPUT TUBE This is a nice example of a vintage Scott LK-72 Tube amplifier. The LK-72 is the kit version of the 299C model. This particular example has undergone a complete overhaul, and should provide many years of trouble-free service to its next owner. Background noise is minimal; this is a very quiet amplifier (for a tube amp). Details of the service including the following:- - All the potentiometers have been cleaned with Deoxit. - A thermistor has been added to drop today’s higher line voltage, so that it is more in line with what was the standard at the time of the original design. - All ceramic capacitors have been replaced. - All electrolytic capacitors have been replaced. - The aging (and now dangerous) selenium rectifier has been replaced with a modern (and much more reliable) silicon rectifier. - The now hard-to-find 7199 tubes have been replaced with the more common 6GH8A tubes, using high quality ceramic adapters (the audible difference between the two tube types is negligible). - The amplifier also comes with brand new set of Tung Sol 7591A output tubes, and should provide many hours of trouble free operation selling for 900.00 Matthew 262.902.1934 local pick up only, austin texas Quote Link to comment Share on other sites More sharing options...
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