Sennheiser ew 112-p G4 portable radio lapel microphone camera system

General Description

Evolution wireless has been the industry standard for flexibility, ease of use and reliability for wireless microphone systems for years and the new and improved G4 system looks to continue this trend.

Fast, flexible and professional: these characteristics make the ew 112-p G4 the perfect fit for every ambitious reporting team seeking both portability and great sound quality. The nearly invisible clip-on omni-directional microphone transmits its signal via a bodypack transmitter with mute function and a portable, battery-powered adaptive-diversity receiver. The receiver and transmitter are lightweight and easy to operate, yet rugged and packed with features.

The wireless Sennheiser G4 ew 100 range is available in the following frequency ranges:

Range A = 516 - 558 MHz
Range G = 566 - 608 MHz
Range GB = 606 - 648 MHz
Range B = 626 - 668 MHz
Range C = 734 - 776 MHz
Range E = 823 - 865 MHz
Range 1G8 = 1785 - 1800 MHz

Only Range GB (channel 38) and Range E (channel 70) systems are available for purchase on the on-line shop. The other frequency ranges are available by special request for fixed site licence applications. Channel GB includes Channel 38 which is the most reliable solution for portable wireless microphone systems. (Please Note. Channel 38 use requires a licence. For more information please contact us or visit here. Channel E includes Channel 70 which is for legal licence-free use in the UK and Europe.

The Sennheiser G4 range of wireless microphone systems are capable of operating simultaneously, intermodulation free, on six frequencies in the licence exempt 863-865 MHz (channel 70) band. These frequencies are;

863.100 MHz
863.400 MHz
863.750 MHz
864.225 MHz
864.550 MHz
864.975 MHz

Features

High quality omnidirectional lapel microphone
Robust bodypack transmitter design
Integrated mute switch
42MHz bandwidth with 1680 selectable channels
Fast frequency allocation - Synchronise 12 intermodulation channels in seconds
Camera mountable receiver
Intuitive backlit LCD display for full control
Diversity for stable RF  
Proven industry reliability

Delivery Includes

1 SK 100 G4 bodypack
1 ME 2-II lavalier (omnidirectional, condenser)
1 EK 100 G4 portable receiver
1 CL 1 & CL 100 output cables (1/8” & XLR)
1 CA 2 camera mount quick guide
safety guide
manufacturer declaration sheet

Technical Data

EK 100 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
JB: 806 - 810 MHz
K+: 925 - 937.5 MHz
Receiving frequencies
Max. 1680 receiving
frequencies, adjustable in
25 kHz steps
20 frequency banks, each
with up to 12 factory-preset
channels, no intermodula-
tion
1 frequency bank with up to
12 programmable channels
Switching bandwidth
up to 42 MHz
Nominal/peak deviation
±24 kHz / ±48 kHz
Receiver principle
Adaptive diversity
Sensitivity (with HDX, peak deviation)
< 1.6 μV for 52 dBA eff S/N
Adjacent channel selection
≥ 65 dB
Intermodulation attenuation
≥ 65 dB
Blocking
≥ 70 dB
Squelch
low: 5 dBμV
middle: 15 dBμV
high: 25 dBμV
Pilot tone squelch
Can be switched off
AF characteristics
Compander system
Sennheiser HDX
Signal-to-noise ratio (1 mV, peak deviation)
≥ 110 dBA
Total harmonic distortion (THD)
≤ 0.9 %
AF output voltage (at peak deviation, 1 kHz AF)
3.5 mm jack socket:
+12 dBu
(mono, unbalanced)
Adjustment range of audio output level
42 dB,
adjustable in steps of 6 dB
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:
typ. 180 mA
with receiver switched off:
≤ 25 μA
Operating time
Typically 8 h
Dimensions
Approx. 82 x 64 x 24 mm
Weight (incl. batteries)
approx. 160 g

SK 100 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
JB: 806 - 810 MHz
K+: 925 - 937.5 MHz
1G8: 1785 - 1800 MHz
Transmission frequencies
Max. 1680 receiving frequencies, adjustable in 25 kHz steps
20 frequency banks, each with up to 12 factory-preset channels, no intermodulation
1 frequency bank with up to 12 programmable channels
Switching bandwidth
up to 42 MHz
Nominal/peak deviation
±24 kHz / ±48 kHz
Frequency stability
≤ ±15 ppm
RF output power at 50 Ω
Max. 30 mW
Pilot tone squelch
Can be switched off
AF characteristics
Compander system
Sennheiser HDX
AF frequency response
Mic: 80 – 18,000 Hz
Line: 25 – 18,000 Hz
Signal-to-noise ratio (1 mV, peak deviation)
≥ 110 dBA
Total harmonic distortion (THD)
≤ 0.9 %
Max. microphone/line input voltage
3 V eff
Microphone/line input impedance
40 kΩ, unbalanced / 1 MΩ
Input capacitance
Switchable
Setting range for input sensitivity
60 dB, adjustable in 3 dB steps
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:
typ. 180 mA with transmitter switched off: ≤ 25 μA
Operating time
Typically 8 h
Dimensions
Approx. 82 x 64 x 24 mm
Weight (incl. batteries)
approx. 160 g

ME 2

Transducer principle
pre-polarized condensor microphone
Pick-up pattern
omni-directional
Sensitivity (free field, no load) (1 kHz)
20 mV/Pa
Max. SPL at 1 kHz
130 dB
Frequency response
"50 to 18,000 Hz (ME 2-II)"
“Equivalent noise level A-weighted (DIN IEC 651)"
36 dB
Connector
3.5 mm jack
Cable length
approx. 1.60 m
Supply voltage
7.5 V