The New RM Italy LA 250v Plus VHF 2 meter Amplifier, the replacement of Popular VLA 200v .Check out the latest review on LA 250 on eham:
The LA-250 is a 200W 140-150MHz amplifier, at 1 to 20W input (13.6V 30A). It uses 4 Mitsubishi RD70 Mosfets mountedon a copper heat spreader (200x60x3mm).

It is available in two versions one with and one without top mounted fans. There is an external PTT input but it can be used also without dueto the built-in HF-VOX. The front panel features an LCD display which shows input power, output power, heat sink temp and output VSWR. There is the ability to change the intensity of the backlight.

The CPU keeps an eye on input power, temperature and VSWR and will if necessary disable the amplifier from transmitting if there is fault. Anyerrors will also be recorded and will be available for later recall fordiagnostic purposes by either the manufacturer or his distributors.

Weight is approximately 4kg. Dimensions are approximately 240x420x70mm for the non fan version and an extra 10mm of height, 80mm, for the fan version.

VHF 140—150 MHz Linear Amplifier

Operation Frequency: 140—150 MHz (2m Amateur VHF Band)

Modulation Types: SSB,CW,AM, FM, data etc (All narrowband modes)

Transistor: 4x Mitsubishi RD70HVF1

Power Supply: 13VDC+/- 1V 40A

Input Fuse (Internal): 3x10A (5x20mm Fast)

Input RF Power: 1-15W ; 20W max (All modes)

Output RF Power (Nominal): 30 – 210W ; 230W max AM/FM/CW

230W max. FM/CW/SSB Average power

Maximum bypass power (Amplifier off): 50W

Input VSWR: 1.1—1.5:1Output VSWR Maximum: 2.8:1

Protection: Reverse Polarity, High Temperature, Load VSWR and Excessive I/P power

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