Export Models	Output Power with 4 watts input	Approx. Power Output with 20 watts input/ Approx. Max Current	Transistors	Class	Power Levels	Relative Output RF Meter	10dB RF Preamp	SSB Delay
Modulator EX Plus	5 to 75 (internal adj.)	100W/14A	1-2SC2290	C	2	—	YES	—
Modulator EX V-Plus	5 to 75 (external adj.)	100W/14A	1-2SC2290	C	variable	—	YES	—
Skeleton 220EX	125	200W/14A	2-MRF455	C	1	—	—	YES
EX 225	150	225W/23A	2-MRF455	AB1	4	YES	YES	switched
EX 225V	150	225W/23A	2-MRF455	AB1	variable	YES	YES	switched
EX 250	150	250W/26A	2-2SC2290	AB1	4	YES	YES	switched
EX 250HDV	150	250W/26A	2-2SC2290	AB1	variable	YES	YES	switched
EX 350	180	350W/30A	2-2SC2879	AB1	4	YES	YES	switched
EX 350HDV	180	350W/30A	2-2SC2879	AB1	variable	YES	YES	switched
EX 400	200	400W/40A	4-2SC2290	AB1	4	YES	YES	switched
EX 400V	200	400W/40A	4-2SC2290	AB1	variable	YES	YES	switched
EX 500	250	500W/45A	4-2SC2879	AB1	4	YES	YES	switched
EX 500V	250	500W/45A	4-2SC2879	AB1	variable	YES	YES	switched
EX 667	500	650W/58A	1-2SC2290 driving 4-2SC2879	AB1	4	YES	YES	switched
EX 667V	500	650W/58A	1-2SC2290 driving 4-2SC2879	AB1	variable	YES	YES	switched
EX 1200	—	100W input produces 900 out	8-2SC2290	AB1	1	—	—	switched
EX 1600	—	100W input produces 1200 out	8-2SC2879	AB1	1	—	—	switched
Remote for 1200/1600	(optional remote control head with 20 foot cord)
Fan Kit for 1200/1600	(optional top and bottom covers with four cooling fans)