Sennheiser EM 550 G2 manual Specifications

EM_550_G2.book Seite 68 Donnerstag, 27. November 2003 1:33 13

Specifications

RF characteristics
Modulation				wideband FM
Frequency ranges
				518–554, 626–662, 740–776, 786–822, 830–866 MHz
				8 channel banks with up to 20 factory-preset channels each
Receiving frequencies				1 channel bank with up to 20 freely selectable channels
				(1,440 frequencies, tunable in steps of 25 kHz)
Switching bandwidth
				36 MHz
Nominal/peak deviation
				±24 kHz / ±48 kHz
Frequency stability
				≤ ±15 ppm
Receiver principle
				true diversity
Sensitivity (with HDX, peak deviation)				typ. 1.5 µV at 52 dBArms S/N ratio
Adjacent channel rejection				≥ 70 dB
Intermodulation attenuation
				≥ 70 dB
Blocking
				≥ 80 dB
				4 steps:	Off
Squelch					Low: 5 dBµV
					Mid: 15 dBµV
					High: 25 dBµV
Pilot tone squelch
				can be switched off
Antenna inputs
				2 BNC sockets (50 Ω)
Cascading outputs
				2 BNC sockets (50 Ω)
				gain: 0 dB ±2 dB (related to antenna inputs)
AF characteristics
Noise reduction system
				Sennheiser HDX
EQ presets (switchable, effect the line and
monitor outputs):
Preset 1: “Flat“	AF frequency response			40–18,000 Hz
Preset 2: “Low Cut“		Cut
				approx. -3 dB at 200 Hz
Preset 3: “HiBoost“		Boost
				approx. +6 dB at 10,000 Hz
Preset 4: “Low Cut & Hi Boost“		Cut
				approx. -3 dB at 200 Hz
		Boost		approx.+6 dB at 10,000 Hz
S/N ratio (at 1 mV and peak deviation)
				≥ 115 dB(A) (AF OUT)
THD (at nominal deviation and 1 kHz)
				≤ 0.9 %
AF output voltage
				+18 dBu to –22 dBu, adjustable in steps of 2 dB
(at peak deviation 1 kHzAF)				(transformer balanced)
AF outputs				2 XLR-3M sockets
Overall unit
Temperature range
				–10 °C to +55 °C
Power supply
				90–264 V AC
Mains connector
				3-pin; protection class I
Booster supply voltage
				11 V DC, cannot be switched off
Max. booster current
				≤ 150 mA (limited per antenna socket)
Power consumption
				40 VA
Dimensions [mm]
			436 x 215 x 43
Weight
			approx. 3,500 g

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