D & A Manufacturing Raider Make D & A Manufacturing Model Raider Serial # R3038T Description Sweep Tube power amplifier w/4 6LQ6 Tubes Freq Range 40, 20, 15, 10 Meters notes Has 4 6LQ6 tubes2/6/2019 - sold eBay $59 parts missing D&A Manufacturing Raider Amp D&A Manufacturing Amp – Rear