The most distinctive sound feature of Holland 6922 is the transparent, natural and expansive midrange presentation, with a slight touch of warmth that illuminates your music. Every piece of music you play through these tubes sounds like from a vinyl record, whether your sound source is phono or not.
MANUFACTURER : Sylvania. ITEM : Electron Tube JHS-5726-6AL5W.
The product is a rare vintage 1965 Heathkit Q Multiplier assembly manual, specifically model QD-1 25. It is likely that the manual was produced in Benton Harbor, Michigan, as that was the area where Heathkit operated. This manual provides instructions for assembling and operating the Heathkit Q Multiplier, a piece of vintage electronics equipment that is sought after by collectors and enthusiasts of vintage audio and video technology.
Up for sale is an Original Heathkit HN-31 Cantenna Dummy Load Assembly Operation Manual. 10 pages with schematic. Yes - checkmarks on pages.
Plastic case exhibits no cracks or breaks. The winding key for the clock portion is seized moving just a fraction to the right and refusing to go further. When winding key on the reverse was nudged as far as it would go the clock would begin ticking and hands would begin to move with the clock coming to a stop just a few seconds afterwards.