Sony WRT8B30/32 Wireless Transmitter

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The WRT-8B Body-pack transmitter is the latest addition to the extensive range of Sony UHF synthesized wireless microphone systems. Extremely compact and lightweight, essential qualities for use in fast-moving TV and theater productions. Inside its tough, die-cast magnesium body is a highly stable, low noise transmitter providing superb audio quality. It can operate for up to 13 hours on two AA-batteries, and features switchable AF input (Mic/Line) and RF output levels (10mW/50mW). As well as theater and Studio use, the WRT-8B has the functionality and rugged construction that makes it ideal for the demanding environments of news gathering, documentary production and sports events.


Rugged, die-cast magnesium construction

Users may select from 188 frequencies, within a 24 mHz range

UHF-TV Channels 30/32 (30,31,32,33)

Accepts professional lavalier microphones fitted with an SMC9-4P connector, such as the Sony ECM-88B, ECM-77BC, ECM-44BC, ECM-166BC lavalier microphones

Switchable input level (Mic/Line) and variable attenuator

Selectable RF output level

13 hour operation using two AA-batteries at 10mW output power

6 hour operation using two AA-batteries at 50mW output power

Low battery alarm indicator


Oscillator: Crystal-controlled PLL synthesizer

Carrier Frequencies: UHF-TV Channels 30/32 (30,31,32,and 33), 566.125 MHz to 589.875 MHz. Users may choose from 188 frequencies.

RF Output: 50mW/10mW (e.r.p.) selectable

Frequency Response: 40Hz to 20KHz (typical)

Tone Signal: 32.768kHz

Type of Antenna: 1/4 wave length wire (SMA-J type connector)

Reference Deviation: +/-5 kHz (-60dBV, 1kHz input, MIC position), +/-5kHz (-20dBu, 1 kHz
input, LINE position)

Signal-to-noise ratio: 60dB or more (A-weighted)

Attenuator adjustment range: 0 to 40dB, continuous

Max. input level: -2dBV(1kHz input, MIC Position), +38dBu (1 kHz input, LINE position)

Input Level: MIC level/LINE level switchable

Input Connector: Sony SMC9-4S type

Power requirements: DC 3.0 V (with two AA batteries)

Battery Life: Approx. 6 hours with Sony LR6 alkaline batteries at 77 degrees F at 50mW output. Approx. 13 hours with Sony LR6 alkaline batteries at 77 degrees F at 10 mW output.

Dimensions (W x H x D): 2 1/2" x 3 3/8" x 11/16"

Mass: Approx. 4.9 oz (including batteries)




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