Brimstone-144
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GENERAL
| Type | Amateur VHF transceiver |
|---|---|
| Frequency range | TX: 143-149.99 MHz RX: 143-149.99 MHz |
| Tuning steps | 5 / 10 / 100 KHz, 1 MHz |
| Frequency stability | ±0.001% |
| Mode | FM |
| Channels / memory management | None |
| Repeater shift / offset | Any (Separate RX & TX settings) |
| Power supply | 13.6 VDC |
| Current drain / power consumption | RX: 1 ATX: Max 5 A |
| Antenna impedance / connector | 50 ohm / SO-239 |
| Dimensions (W*H*D) | 267*89*241 mm (10.2*3.25*9.5") |
| Weight | 3.6 Kg (8 lb) |
| Other features | — |
RECEIVER SECTION
| Receiver system | Single conversion superheterodyne IF: 10.7 MHz |
|---|---|
| Sensitivity | 0.25 uV (12 dB SINAD) |
| Selectivity | 15 KHz (-6 dB)30 KHz (-60 dB) |
| Image rejection | — |
| AF output power / speaker | 2 W at ?% distortion / 8 ohm |
| External speaker connector | Screw terminals, 8 ohm |
TRANSMITTER SECTION
| RF output power | 25 W (50% duty cycle) |
|---|---|
| Modulation system | — |
| Max FM deviation (Factory set) | ±5 KHz (0-20 KHz adjustable) |
| Spurious emissions | Better than -? dB |
| Microphone impedance / connector | 500 ohm / ?-conductor (1/4" jack) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | USA, 1974-197x (Discontinued) |
|---|---|
| Additional info | One of the first synthesized ham transceivers on the US market. Must've been one «hell» of a radio, ha ha! New price 1977 in the US: $650.00 (Including mike and mobile mounting bracket) |