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Sekaku Intros New Wireless Microphones
June 05, 2003

Beijing, China - Sekaku Electron is introducing new professional AW wireless multi-channel true diversity microphones - the single-channel AW-821DR and dual-channel AW-822DR are PLL synthesized wireless systems, providing flexible and efficient solutions for a wide range of applications.

With the PLL system, the AW Series offers 16 flexible and changeable channels, the manufacturer describes. Their frequency fits FCC & CE range, with an unbalanced (6.3mm phone jack) and balanced (XLR 3P connector) audio output.

Featuring an all-metal case, the AW Series also offers an optional rack-mount, allowing the receiver to be installed onto a 19-inch rack. The built-in LED indicators actively display for RF and LF levels and system status.

Sekaku offers a range of professional and consumer electronic products, including wireless microphones such as the dual channel received SUR-822-19 (Pictured), with;

Quartz locked fixed frequency operates at UHF 780-960MHz range
19" EIA standard casing
Optional front-antenna-mount brackets
Special circuit design to delete microphones switch ON/OFF noise

Audio output:
Independent:Balanced XLR 3P connector for low impedance.
Mixer:Unbalanced 6.3fmm phone jack for hign impedance.
Tone-key squelch circuitry.Compander circuit multisquelch system
Carrier frequency range:UHF band 780~960MHz.
Oscillation mode:Quartz controled fixed frequency
Frequency stability:.005%/25
Max.Deviation:40/50KHz
Dynamic range:>110dB
T.H.D:<0.6%
Squelch:Tone key+noise control(tone frequency:32.768KHz).
Frequency response:50Hz-15KHz(3dB)
Power battery:DC 12-15V 500mA with AC/DC adaptor.

Audio output:
Unbalanced 6.3mm phone jack 770mV/5KO
XLR balanced output 77mV/660O.
Dimensions:410(W)241(D)44(H)mm/(16"9.5"1.7")
S/N Ratio:>100dB

For more information, visit
www.sekaku.com

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