Sennheiser SKM 100-865 G3 manual ARCHITECT’S Specifications, Technical Data, SKM 100-835 G3

SKM 100-835 G3, SKM 100-845 G3, SKM 100-865 G3 Handheld vocal radio microphone

ARCHITECT’S

SPECIFICATIONS

The handheld vocal radio microphone shall be for use with a companion receiver as part of a wireless RF transmission system. The radio microphone shall operate within six UHF frequency ranges, each with a 42 MHz switching bandwidth: 516 – 558 MHz, 566 –  608 MHz, 626 – 668 MHz, 734 –776 MHz, 780 – 822 MHz, 823 – 865 MHz; transmissi- on frequencies shall be 1,680 per range and shall be tunable in 25 kHz steps. The radio microphone shall feature 20 fixed frequency banks with up to 12 compatible frequency presets and 1 user bank with up to 12 user programmable frequencies.

Nominal/peak deviation shall be ±24 kHz/ ±48 kHz. Frequency stability shall be

≤±15 ppm. RF output power at 50 O shall be 30 mW (typical).

The radio microphone shall incorporate the Sennheiser HDX compander system and a defeatable pilot tone squelch. Audio frequency response shall range from 80 – 18,000 Hz. Signal-to-noise ratio at 1 mV and peak deviation shall be ≥ 110 dBA. Total harmonic distortion (THD) shall be

≤0.9 %. Input sensitivity shall be adjustable within a 48 dB range in steps of 6 dB.

The radio microphone shall be menu-driven with a backlit LC display showing the cur- rent frequency, frequency bank and channel number, metering of AF level, transmission status, lock status, pilot tone transmission, muting function, and battery status. An au- to-lock feature shall be provided to prevent settings from being accidentally altered. The radio microphone parameters shall be programmable in the radio microphone menu. Receiver parameters such as receiving frequency, receiver name and pilot tone setting shall be synchronizable with the radio microphone via an integrated infrared interface.

TECHNICAL DATA

Modulation	wideband FM
RF frequency ranges	516 – 558, 566 – 608, 626 – 668,
	734 –776, 780 – 822, 823 – 865 MHz
Transmission frequencies	1,680 frequencies, tuneable in steps
	of 25 kHz
	20 frequency banks, each with up
	to 12 factory preset channels
	1 frequency bank with up to 12
	user programmable channels
Switching bandwidth	42 MHz
Nominal/peak deviation	±24 kHz/±48 kHz
Frequency stability	≤ ±15 ppm
RF output power at 50 O	typ. 30 mW
Pilot tone squelch	can be switched off
Compander system	Sennheiser HDX
AF frequency response	80 – 18,000 Hz
Signal-to-noise-ratio (1mV, peak deviation)....	≥ 110 dBA
Total harmonic distortion (THD)	≤ 0.9 %
Adjustment range of input sensitivity	48 dB, adjustable in 6-dB steps
Temperature range	−10°C to +55°C
Power supply	2 AA size batteries, 1.5 V or
	BA 2015 accupack
Nominal voltage	2.4 V
Current consumption:
at nominal voltage	typ. 180 mA (30 mW)
with switched-off radio microphone	≤ 25 µA
Operating time	typ. 8 hrs
Dimensions	approx. Ø 50 mm (2“)
	x 265 mm (10.4“)
Weight (incl. batteries)	approx. 450 g (15.9 oz)
SKM 100-835 G3
Transducer/microphone type	dynamic
AF sensitivity	2.1 mV/Pa
Sound pressure level (SPL)	154 dB(SPL) max.
Pick-up pattern	cardioid

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