Fordray FMT25 – 25W FM Transmitter

The Linear Broadcast FMT25 FM Transmitter is designed to fill the needs of the narrowcaster requiring high performance and reliability at a cost effective price.

The FMT25 is self-contained in a 2RU rack case and provide fully adjustable power output up to 25 Watts and a user-programmable Phase Locked Loop frequency via simple and accessible rotary switches.

It has forward and reverse power metering to allow antenna tests.

Technical Specification

Audio Input: Mono (RCA) 200mV to 1V, 47kW unbalanced MPX (BNC) 1V to 4V p/p 10kW

Output Power: 5 to 25W

Controls: Audio input level, RF output power, freq. 4 rotary switches for frequency

Frequency Range: 87 to 108MHz in 100kHz steps

Carrier Freq. Stability: 0.0005%

PLL Phase Jitter: 0.001%

Spurious: < -65dBc (Mono & MPX)

Pre-Emphasis: Flat / 50S

Frequency Response: Mono 30Hz to 15kHz MPX 30Hz to 65kHz

Total Distortion: <0.04%

Signal to Noise: > 67dB (Mono & MPX)

Dimensions: 2RU rack case x 250mm deep

Weight: 6kg

Power Supply: 240V AC, 50Hz, 120VA, IEC 3 pin socket