04-04-2017, 09:25 AM
http://www.ebay.co.uk/itm/Rare-Vintage-Heintz-amp-Kaufman-24G-Gammatron-Power-Vacuum-Tube-Valve-/201876278480?&_trksid=p2056016.l4276
http://www.r-type.org/pdfs/hk24.pdf
http://www.r-type.org/pdfs/hk24.pdf







