| Type: | VHF linear power amplifier | 
| Frequency range / band(s): | 144-148 MHz (2 m) | 
| Output power: | AM/SSB: 300 W (PEP) FM/CW: 200 W
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| Drive power: | Max 10 W | 
| Power supply: | Mains | 
| Current drain / power consumption: | ? A | 
| Impedance / connectors: | 50 ohm / Two SO-239 | 
| Dimensions (W*H*D): | 340*155*330 mm (13.4*6.1*13") | 
| Weight: | ? Kg (? lb) | 
| Manufactured: | Japan, 197x-197x (Discontinued) | 
| Other: | HF-VOX (COX) or manual (MOX) 
 New price, september 1975 in the UK: £250 + VAT (With Eimac 4X150A)
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| Related documents: | One 4CX250B tetrode | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options/Accessories: |  |