General Electric, five star red logo. Vf 6.3 Volts / If 0.45 Ampere. Miniature type used primarily as output amplifier in automobile receivers and in ac- operated receivers. Requires miniature 7-contact socket. Within its maximum ratings, the performance of this type is equivalent to that of larger types 6V6 and 6V6GTA. Fender Musicmaster Bass amp Vintage Bell & Howell 6AQ5 Monoblock D-Lab/Zenith Model M-7, Dynaco Push-Pull EL84/6BQ5 or 6V6/6AQ5 AMPEX Model 970 tape recorder. Nutone 2401B stereo tube amplifier Manley Absolute Headphone Amplifier Hallicrafters HA-5 VFO Micro Champ Amplifier ELEKIT TU-8150 6AQ5/6V6 Dynaco Push-Pull EL84 / 6BQ5 or 6V6 / 6AQ5 Tube AmpSony 500A single ended 6AQ5 stereo tube amp. D-Lab Boutique repurposed GenRad 6AQ5 tube guitar amp. Tested on UM-18 computerized military tester. 2, tested and matched. We have hundreds of thousands of tubes for manufacturing purposes, all vintage american made. 2 If you are looking to re-tube and amplifier, guitar amplifier, preamplifier, compressor, equalizer, microphones or any tube equipment, send us the model number and we will take care of the rest, and generate a custom listing for you. 4 We carry most USA made brands such as RCA, GE (General Electric), Sylvania, Raytheon, TungSol and PentaLabs , just to name a few. 5 We also carry european brands such as Amperex, Mullard, Telefunken and Marconi , just to name a few but in less quantities.