There, there don't be scared... I know it looks mean but it won't bite you...
It's the bad & gnarly Alpha Power, Alpha 89 HF amplifier. It also doubles as a shack warmer, a bird fryer and a handy male pattern baldness accelerator...
It's the bad & gnarly Alpha Power, Alpha 89 HF amplifier. It also doubles as a shack warmer, a bird fryer and a handy male pattern baldness accelerator...
SPECIFICATIONS: | ||
Circuit | : | Grounded Grid |
Frequency coverage: |  | Ham bands 160 through 10 meters |
RF power output: | | 1500+ Watts PEP or carrier, any mode, no time limit |
Drive Power | : | 50-60 W nominal for full rated output. |
Input VSWR: | | < 1.5:1 within amateur bands, < 2:1 outside. |
Harmonics: | | More than 50 dB below PEP output. |
Intermodulation: | | More than 40 dB below PEP output. |
Protection: | | Automatic trips for excessive drive, load mismatch, average grid or plate current; also for RF arc, severe mistuning, or improper T/R sequencing. Peak grid limiting, primary fuses, cover interlock & HV crowbar. AC inrush-current limiting (Step-start). |
Tube complement: | | 2 X Eimac 3CX800A7 triode |
Cooling: | | Full-cabinet forced air; blower mounted on foam "sandwich" to absorb noise and vibration. Thermostatic fan option for continuous duty at maximum average power. |
ALC: | | Grid current derived, O to -1OV maximum. |
Power requirements: | | AC 200-240V, 50-60 Hz, 1 phase, 20A maximum. |
Dimensions: | | 17.3" W x 7" H x 16.5" D (439 x 178 x 419 mm) |
Weight: | | 65 lbs |
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| Alpha 89 User's Manual (2.1Mb) | |
Alpha 89 Amplifier