SR IEM G4

RF CHARACTERISTICS

Modulation: Wideband FM stereo (MPX pilot tone)

Frequency ranges:  A1: 470-516 MHz A: 516-558 MHz AS: 520-558 MHz G: 566-608 MHz GB: 606-648 MHz B: 626-668 MHz C: 734-776 MHz D: 780-822 MHz E: 823-865 MHz

Receiving frequencies:  Max. 1680 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation 6 frequency banks with up to 16 programmable channels

Switching bandwidth: up to 42 MHz

Nominal/peak deviation: ±24 kHz / ±48 kHz

MPX pilot tone (frequency/deviation): 19 kHz/±5 kHz

Frequency stability: ±10 ppm

Antenna output: BNC socket, 50 Ω

RF output power at 50 Ω:  switchable:  Low: typ. 10 mW Standard: typ. 30 mW High: typ. 50 mW

AF CHARACTERISTICS

Compander system: Sennheiser HDX

AF frequency response: 25 Hz to 15 kHz

AF input BAL AF IN L (I) + MONO/BAL AF IN R (II): 2x XLR3-1/4" (6.3 mm) jack combo socket, electronically balanced

Max. input level: +22 dBu

Total harmonic distortion (THD): <0.9 %

Signal-to-noise ratio (at nominal load and peak deviation): >90 dB

AF output LOOP OUT BAL L (I)/LOOP OUT BAL R (II): 1/4" (6.3 mm) stereo jack socket, balanced

OVERALL DEVICE

Temperature range: -10 °C to +55 °C

Power supply: 12 V DC

Current consumption: max. 350 mA

Dimensions: Approx. 202 x 212 x 43 mm

Weight: Approx. 980 g

EK IEM G4

RF CHARACTERISTICS

Modulation: Wideband FM

Frequency ranges:  A1: 470-516 MHz A: 516-558 MHz AS: 520-558 MHz G: 566-608 MHz GB: 606-648 MHz B: 626-668 MHz C: 734-776 MHz D: 780-822 MHz E: 823-865 MHz

Receiving frequencies:  Max. 1680 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation 6 frequency banks with up to 16 programmable channels

Switching bandwidth: up to 42 MHz

Nominal/peak deviation: ±24 kHz / ±48 kHz

Receiver principle: Adaptive diversity

Sensitivity (with HDX, peak deviation): < 4 muV, typ. 1.6 muV for 52 dBA rms S/N

Adjacent channel selection: Typically >= 65 dB

Intermodulation attenuation: Typically >= 70 dB

Blocking: >= 80 dB

Squelch: 5 to 25 dBµV, adjustable in steps of 2 dB

Pilot tone squelch: Can be switched off

AF CHARACTERISTICS

Compander system: Sennheiser HDX

Signal-to-noise ratio (1 mV, peak deviation): approx. 90 dBA

Total harmonic distortion (THD): <= 0.9 %

Output power at 2.4 V, 5 % THD, nominal deviation: 2 x 100 mW at 32 Ω

High Boost: +8 dB at 80 kHz

Limiter: -18 dB to -6 dB, adjustable in steps of 6 dB, can be switched off

OVERALL DEVICE

Temperature range: -10 °C to +55 °C

Power supply: 2 AA batteries, 1.5 V or BA 2015 accupack

Nominal voltage: 3 V battery / 2.4 V rechargeable battery

Current consumption at nominal voltage: approx. 140 mA with transmitter switched off: <= 25 µA

Operating time: approx. 4 to 6 hours (depending on volume level)

Dimensions: Approx. 82 x 64 x 24 mm

Weight (incl. batteries): approx. 125 g