FM-850 is a professional-grade stereo transmitter delivering 1.8 watts in the commercial FM band (87.9β107.9 MHz). Ideal for small community, campus, or religious radio stations, special events, tourist attractions, and stadiums, it also serves as an FM exciter for higher RF power setups. Praised for superior audio and RF performance, rugged design, reliability, and user-friendly operation, FM-850 meets the needs of both sound contractors and audio professionals. Its versatility and robust output make it the perfect choice for dependable, high-quality FM broadcasts in a range of local or specialized broadcasting applications.
Features
β’ User programmable frequency
β’ User programmable RF power level
β’ LED display for frequency and RF power level
β’ Tuning lock indicator
β’ Coverage of Β 0.5 miles or more with portable FM receiver, 1.5 miles or more with car radio
β’ Adjustable input level with normal and over modulation indicators
β’ Selectable bass boost and mono/stereo operation
β’ Unbalanced (mono 1/4-F) and balanced (XLR3-F) inputs
β’ Combined audio input connectors (1/4-F and XLR3-F)
β’ UHF-F (SO-239) RF output connector
β’ FCC part 73 and ISED Canada BETS-6 & RSS-123 certified
β’ All steel cabinet
β’ 2 years warranty
β’ User programmable RF power level
β’ LED display for frequency and RF power level
β’ Tuning lock indicator
β’ Coverage of Β 0.5 miles or more with portable FM receiver, 1.5 miles or more with car radio
β’ Adjustable input level with normal and over modulation indicators
β’ Selectable bass boost and mono/stereo operation
β’ Unbalanced (mono 1/4-F) and balanced (XLR3-F) inputs
β’ Combined audio input connectors (1/4-F and XLR3-F)
β’ UHF-F (SO-239) RF output connector
β’ FCC part 73 and ISED Canada BETS-6 & RSS-123 certified
β’ All steel cabinet
β’ 2 years warranty
Technical Specifications
β’ Modulation: Β FM, 75 kHz deviation
β’ Frequency selection: Β 87.9 – 107.9 MHz
β’ RF power: 0 to 1.8 W (programmable in increments of 0.05W)
β’ Load impedance: Β 50 Ξ©
β’ Spurious rejection: Β 50 dB min., 60 dB typ.
β’ Frequency response: Β 20 – 20 kHz (FM-800), 20 – 15 kHz Β (FM-850)
β’ Harmonic distortion: Β 0.3% max.
β’ Signal-to-noise ratio: Β 70 dB min.
β’ Stereo separation: Β 40 dB min., 45 dB typ.
β’ Power supply: 120 VAC (optional 240 VAC), 40 VA
β’ Fuse: 500 mA (120 V) / 250 mA (240 V) slow blow
β’ Dimensions: 19” W x 11” D x 1.75” H (1RU rack mount space)
β’ Weight: 19 lb.
β’ Frequency selection: Β 87.9 – 107.9 MHz
β’ RF power: 0 to 1.8 W (programmable in increments of 0.05W)
β’ Load impedance: Β 50 Ξ©
β’ Spurious rejection: Β 50 dB min., 60 dB typ.
β’ Frequency response: Β 20 – 20 kHz (FM-800), 20 – 15 kHz Β (FM-850)
β’ Harmonic distortion: Β 0.3% max.
β’ Signal-to-noise ratio: Β 70 dB min.
β’ Stereo separation: Β 40 dB min., 45 dB typ.
β’ Power supply: 120 VAC (optional 240 VAC), 40 VA
β’ Fuse: 500 mA (120 V) / 250 mA (240 V) slow blow
β’ Dimensions: 19” W x 11” D x 1.75” H (1RU rack mount space)
β’ Weight: 19 lb.
