EMTRON “DX-3sp” HF QRO Linear Amplifier from Australia. Real QRO – 4 KWT P.E.P in CW! and EMTRON “DX-2v” 6m QRO 2 KWT Linear Amplifier Photo by N8OIF © 2010 Dayton HAMVention , Ohio, USA No Details yet Category: QRO/QRPMay 16, 2010Tags: amplifierBig gunDaytonenergyham radiohfLinear amplifierPApowerQROQRO/QRPRFPost navigationPreviousPrevious post:New Dual VHF/UHF Band FM Portable – "TH-D72" from KenwoodNextNext post:New "APX-7000" VHF/UHF Portable Radio from Motorola