Azden 411DRH Receiver and 51BT Body-Pack Transmitter UHF Wireless System

by Azden
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Azden 411DRH Receiver and 51BT Body-Pack Transmitter UHF Wireless System
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A complete UHF lavalier system consisting of the 411DRH 63-channel receiver and the 51BT bodypack transmitter.
The Azden 411 series provides affordable UHF wireless microphone systems ideal for small theater, clubs, restaurants, lectures etc.

The 51BT body-pack transmitter has 63 user selectable UHF frequencies and is ideal for lavaliere and headset microphones.
The 411DRH is crystal controlled, PLL synthesized receiver with 63 on-board user selectable frequencies with a range of 794MHz to approx. 806MHz. It is true diversity, containing two separate receivers, each operating on the same frequency. The transmitter's output signal is monitored constantly by a diversity circuit, which switches automatically to the receiver with the stronger RF signal. This allows wireless performance that is virtually drop-out free, even under the most adverse conditions.
The receiver features a 1/4-inch and XLR output jacks and volume adjustment.

Specifications

Transmitter Technical Specs:
Frequency Range : UHF 63 ch. (793-806MHz)
Frequency Response : 20HZ to 20KHz
Audio Distortion : less than 1.0% @+/- 15K deviation
Dynamic Range : better than 100dB
S/N Ratio : better than 95dB
Operating Temperatures : 0o C to 45o C
Operating Range : 100m under ideal conditions
Oscillator : PLL synthesized
Tone Squelch Frequency : 32.768KHz
Type of Emission : FM
Antenna : External Antenna
Pre-emphasis : 50 Micro Sec.
MAX Input Level : 0dBm - 10dBm
Microphone Unit : Lav or Headset
RF Output Power : 15mW
Input Impedance : 2.2(Mic.), 680(MP-1)
Audio Adj. Range : -63dBm ~ -18dBm
Battery : 9V

Receiver Technical Specs:
Frequency Range : UHF 63 ch. (793.875-805.875MHz)
Frequency Response : 20HZ to 20KHz
Audio Distortion : less than 1.0% +/- 15K deviation
Dynamic Range : better than 100dB
S/N Ratio : better than 95dB
Operating Temperatures : 0o C to 45o C
Operating Range : 100m under ideal conditions
Oscillator : PLL synthesized
Tone Squelch Frequency : 32.768KHz
Diversity Type : True Space Diversity
Receiver Type : Super Heterodyne, PLL Synthesized
Image Rejection : Better than 60dB
Reception Sensitivity : Better than 16dBµV
Reception Selectivity : +/- 150KHz
Audio Output Adj. Range : -30dB, ctr 0dB, max +6dB
Audio Output Impedance : 2.2 k ohms unbal., 660 ohms bal.
Power Requirements : 12V DC 300mA
Dimensions : 280(W) x 120(D) x 37(H) mm
Weight : 920g

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