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U-33B OVERALL SYSTEM PERFORMANCE
Frequency Response 30 Hz - 18 KHz, – 3 dB
Dynamic Range 120 dB
Total Harmonic Distortion < 0.6%
RF Carrier Frequency Range UHF, choice of single frequencies from 470-500 MHz
Frequency Stability ±0.005%, crystal controlled
Modulation FM (F3E), ±10KHz normal, ±40KHz max
Operating Range Up to 250 ft. typical (depending on site conditions); up to
500+ feet optimum line-of-sight
U-33B BASS RECEIVER
Reception Mode DigiTRU Diversity™ (Dual Antenna)
Squelch External Control
Controls Power ON/OFF, Volume Control, Squelch (Mute) Adjust
Connectors DC in, 1/4”(6.3 mm) unbalanced phone jack (225 mV/
no load), XLR balanced output (±20 mV/600 Ohm load)
Bass Booster Control +8dB @ 100Hz
LED Indicators Power ON, Diversity A/B, Audio Level and Peak
Unwanted Signal Rejection 60dB image and spurious
Power Requirements DC 18V @ 250mA, AC/DC adapter included
Dimensions (Max.) 1.75" x 7.5" x 8.1" (4.4 x 19 x 20.7 cm)
Weight 1.6 lbs (.73 kg)
Antenna 11.2" (28.5 cm), dual folding antennas
UB-33B BASS TRANSMITTER
Audio Inputs 3.5mm instrument locking mini-jack
Controls POWER, AUDIO ON/OFF
LED Indicator Bi-color, Unit “ON” (green), Low Battery
Alert (orange)
RF Power Out 50mW nominal (maximum allowed by FCC)
Harmonic & Spurious Emissions < –50 dB
Battery AAA Alkaline (2x)
Battery Life 4-5 Hours
Dimensions 3.25” x 2.187”x 1” (8.25 cm x 5.53 cm x 2.54 cm)
Weight 2.25 oz (0.064 kg) without battery
SPECIFICATIONS
CONTENTS ....................................................................................................... 3
INTRODUCTION ................................................................................................ 3
USING THIS MANUAL ....................................................................................... 3
FEATURES ......................................................................................................... 4
U-33B RECEIVER ................................................................................................ 5
UB-33B BASS WIRELESS TRANSMITTER............................................................... 8
SPECIFICATIONS .............................................................................................10
SERVICE .......................................................................................................... 11
CONTENTS
Thank you for purchasing a Nady U-33B Bass Wireless Microphone System and
congratulations on your choice. The U-33B is loaded with top professional operating
features and is the best performance and price value available in UHF diversity bass
wireless systems.
INTRODUCTION
This booklet gives instructions for the operation of the U-33B UHF wireless system.
Please read the instructions for your system completely before operating unit.
This manual will first list the features of the U-33B and then will take you step by step
to show you how to operate your new system. Included in this manual are system
specifications and servicing information.
USING THIS MANUAL