Sennheiser EM 300-500 G4 Rackmount True Diversity Receiver, GW1: 558 - 608 MHz

True diversity half-rack receiver in a full-metal housing with intuitive OLED display for full control with increased bandwidth and transmission power for evolution wireless G4 300 Series systems, delivering exceptional speech intelligibilty in Business and Education.

Artictect'sSpecification
The stationary receiver with true diversity technology is for use with a companion transmitter as part of a wireless RF transmission system.

The receiver operates within ten UHF frequency ranges, with a switching bandwidth of up to 72 MHz: 470 - 558 MHz, 520 - 558 MHz, 558 - 608 MHz, 558 - 626 MHz, 606 - 678 MHz, 626 - 698 MHz, 718 - 790 MHz, 790 - 865 MHz, 806 - 810 MHz, 925 - 937.5 MHz; receiving frequencies shall be 2,880 per range and is tunable in 25 kHz steps. The receiver features 20 fixed frequency banks with up to 32 compatible frequency presets and 6 user banks with up to 32 user programmable frequencies.

The receiver is menu-driven with a backlit OLED display showing the current frequency, frequency bank and channel number, metering of RF level, metering of AF level, lock status, pilot tone evaluation, muting function, and battery status of the associated transmitter. An auto-lock feature is provided to prevent settings from being accidentally altered. The receiver provides a sound check mode.

Some receiver parameters such as receiving frequency, receiver name and pilot tone setting are synchronizable with the associated transmitter via an integrated infrared interface.

The receiver features a balanced XLR-3M audio output with a maximum output of +18 dBu along with an unbalanced 1/4" (6.3 mm) audio output with a maximum output of +12 dBu. A headphone output with headphone volume control are provided and utilize a 1/4" (6.3 mm) stereo jack socket. The receiver has an Ethernet port (RJ-45) for remote network-based monitoring and control using the Sennheiser Control Cockpit or the Sennheiser Wireless System Manager software. Two BNC-type input sockets are provided for connecting the antennas.

Nominal/peak deviation is +/-24 kHz/ +/-48 kHz. Squelch threshold is defeatable (off) or adjustable from 5 - 25 dB micro V in steps of 2 dB.

The receiver incorporates the Sennheiser HDX compander system and a defeatable pilot tone squelch. Sensitivity is < 2 micro V for 52 dBA eff S/N with HDX engaged at peak deviation. Adjacent channel rejection is >= 75 dB (typical). Intermodulation attenuation is >= 70 dB (typical); blocking is >= 75 dB. Four selectable equalizer presets are provided: "Flat", "Low Cut" (-3 dB at 180 Hz), "Low Cut/High Boost" (-3 dB at 180 Hz/+5.5 dB at 10 kHz) and "High Boost" (+5.5 dB at 10 kHz). Signal-to-noise ratio at 1 mV and peak deviation is >= 115 dBA. Total harmonic distortion (THD) is <= 0.9 %. The audio output level is adjustable within a 48 dB range in steps of 3 dB.

The receiver operates on 12 V power supplied from the NT 2-3 CW mains unit (for 100 - 240 V AC, 50/60 Hz). Power consumption is 350 mA. The receiver has a rugged metal housing; dimensions are approximately 202 x 212 x 43 mm (7.95" x 8.35" x 1.69"). Weight is approximately 980 grams (2.16 lbs). Operating temperature ranges from -10 Degree C to +55 Degree C (+14 Degree F to +131 Degree F).

The receiver is the Sennheiser EM 300-500