Sennheiser EM 550 G2 manual Specifications

Page 32

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

 

 

 

 

 

 

68

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Contents EM550 Thank you for choosing Sennheiser Contents EM 550 G2 twin receiver Channel bank systemSafety instructions Delivery includesAreas of application Overview of operating controls Remote displays of an ew 500 G2 transmitter Indications and displaysIndications and displays of the receivers Mute display Modulation displayConnecting the antennas Connecting and mounting remote antennasPreparing the receiver for use Mounting the receiver feetEssential notes on mounting remote antennas Connecting the mains cableDaisy-chaining up to eight twin receivers Connecting the amplifier/mixing console Service interfacesMounting the twin receiver into a 19 rack Mounting the antennasEM550G2.book Seite 49 Donnerstag, 27. November 2003 133 Using the twin receiver Switching the twin receiver on/offConnecting the headphones/adjusting the volume Activating/deactivating the lock modeOverview of menus Operating menuButtons Working with the operating menu Menu Bank MenuSET Menu Reset Adjustment tips for the operating menu BankChannel TuneScanning the channel banks for free channels ScanDisplaying a list of all free channels Starting the scanAdjusting the audio output level Adjusting the squelch thresholdMulti-channel operation AF OutDoing the soundcheck SoundcheckSelecting the standard display DisplayEntering a name NameLoading the factory-preset default settings ResetActivating/deactivating the pilot tone evaluation PilotUsing the equalizer Adjusting the contrast of the graphic displayEqualizer Exiting the operating menuTroubleshooting Error checklistCare and maintenance Recommendations and tipsFor optimum reception For multi-channel operationHDX noise reduction Wireless transmission systemsAdditional information Field strength-dependent squelch SquelchPilot tone squelch Diversity reception Specifications Accessories Connector assignmentEM550G2.book Seite 212 Donnerstag, 27. November 2003 133