The system presents exceptional selectivity and inter-modulation immunity for best operating performance of the wireless-microphone system even in the presence of DVTB-T transmitter signals.

FEATURES

Wide bandwidth: up to 370 MHz with tunable filters (2 channel’s independent)
470 MHz to 840 MHz (Europe TV ch. 21/67) with internal active splitter
Extreme immunity: IIP3 > 20dBm, practically intermodulation free
Powerful and quick: thanks to the latest DSP class shark by Analog Design (2Gigaflops 40bit power), providing the highest audio quality (40bit floating point) and a delay of only 0,39 msec (AES3 output) and 0,46 msec (analogue output)
Audio quality: Analogue (electronically balanced) and digital output (AES3)
Network: 2 USB connectors for configuration/monitor and cascade rack connections and a Ethernet 10/100 base TX port (RJ45) for network connection
Automatic scan: for best channels, squelch and other automatic setup
Infrared interface (i.e. for system setup, microphone programming)
Automatic reprogramming of transmitter (thru infrared)
PC Software to monitor/setup units, spectrum analyzer mode, intermodulation free frequencies calculator, embedded database by area or to archive existing setups

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Frequency ranges	470 ÷ 840MHz
Switchable channels	2400 managed in 40 groups ofr 60 frequencies completely user customizable
Switching-window	370 MHz
Frequencies	microprocessor controlled PLL frequency synthesizer circuit, with 25 KHz minimum step; frequencies are easily PC reprogrammed with Wisycom Manager thru Ethernet or USB interface
Frequency error	< ± 2.5 ppm, within the rated temperature range
Diversity technique	true-diversity (Twin receiver circuits)
Modulation	FM (with de-emphasis), other de-emphasis can be pre-set on request and can be recalled from the menu
Nominal deviation	±40 KHz @ 1 KHz, ±65 KHz peak (Max acceptable deviation = ±80 KHz)
“A” / “B” antenna inputs	with BNC type female connectors
Antenna input impedance	50 ohm (SWR < 1:2)
Sensitivity	< 0.9 µV (-1 dBµV), for SND/N = 52 dBA, in the whole switching-range; < 10 µV (+20 dBµV), for SND/N = 115 dBA, in the whole switching-range
Amplitude response	< 0.2 dB (for RF input signal: +4 dBµV ÷ +120 dBµV)
Co-channel rejection	> -3.5 dB @ 2 µV RF; > -1.5 dB @ 100 µV RF
Adjacent chan. selectivity	> 90 dB @ ± 300 KHz
Spurious rec. rejection	> 90 dB
IF image rejection	> 110 dB
IIP3	>= +20 dBm (typical)
Spurious emissions	< 1pW (typical. = 0.1 pW)
Noise Reduction system	compander circuit, can be pre-set (or switched off) to the following modes: - ENR (Wisycom Extended-NR) as default; - CUSTOM (to be compatible with other brands transmitters)
AF bandwidth	40 Hz ÷ 20 KHz
Frequency response	< ±0.5 dB (±0.2 dB typ.) in the 50 Hz ÷ 19 KHz range
Distortion	< 0.3 % (0.10 % typ.) @ peak deviation
SND/D ratio (Analogue)	> 115 dBA (118 dBA typ.)*
Audio output	2 audio line-outpus electrically balanced on XLR-3M connector (option XRL, transformer with 30 Ohm imp.)
Audio output level	+12 dBu (3.1 Vrms) @ nominal deviation
AF line output peak level	+20 dBu (7.75 Vrms)
Calibrating AF tone	1 KHz, +12 dBu (other on request)
Digital output	XLR-3M with word clock in/out
Digital sample rate	AES3 @ 48 kHz 24 bit, word clock input from 32KHz to 108KHz
Monitor output	1/4” (6.3 mm) stereo jack connector.
Monitor output level	max 6 Vrms / 150 ohm
Monitor out impedance	100 ohm for auricle
Managing interface	2 USBs type A/B for network connection and devices cascade 10/100 Base TX Ethernet port on RJ45 connector
Bar-graph meters	RF field strengths (both “A” and “B” inputs) AF deviation (5% ÷ 150%), with peak-hold mode.
Display	64 x 256 OLED (yellow)
Powering	AC 99 ÷ 138 Vac and 187 ÷ 264 Vac, with automatic switching / 100 VA max.
DC options	2A max @ 12VDC / 1A max @24VDC
Temperature range	-10 ÷ + 55 °C
Dimensions	19”/1U
	*RMS value, A-weighted, 22 Hz / 22 KHz

MRK960

Documents

Brochure

MRK960-en-b05

User Manual

MRK960-en-u05_A4

Applications

Images

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Configurator

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