D & A Manufacturing RaiderMakeD & A ManufacturingModelRaiderSerial #R3038TDescriptionSweep Tube power amplifier w/4 6LQ6 TubesFreq Range40, 20, 15, 10 MetersnotesHas 4 6LQ6 tubes2/6/2019 - sold eBay $59 parts missingD&A Manufacturing Raider AmpD&A Manufacturing Amp – Rear