Visit our Outlet Store for up to 50%-off original retail pricing on select Certified Refurbished products.
Support
Search
Menu
Close Menu
Accounts
U851RO
Discontinued
Omnidirectional Condenser Boundary Microphone

U851RO

U851RO
  • Overview
  • Gallery
  • Features
  • Specifications
  • Reviews

Overview

U851RO

This product has been discontinued. Please see the U851RbO. Featuring breakthrough audio and mechanical design innovations, the phantom-powered U851RO offers outstanding speech intelligibility and transparent sound quality for surface-mount applications. The omnidirectional microphone is equipped with a PivotPoint® rotating output connector, UniSteep® filter and UniGuard® RFI-shielding technology. It accepts interchangeable condenser elements in cardioid and hypercardioid polar patterns. With a heavy die-cast case and silicon foam bottom pads to minimize coupling of surface vibration to the microphone, the U851RO is equipped with self-contained electronics, eliminating the need for an external power module.
product photo

Features

  • Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
  • Low-profile element provides uniform omnidirectional polar pattern with 360º acceptance angle
  • PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
  • UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Self-contained electronics eliminate need for external power module
  • Small-diameter UniPoint® capsule near boundary eliminates phase distortion and delivers clear, high-output performance
  • Heavy die-cast case and non-slip silicone foam bottom pads minimize coupling of surface vibration to the microphone
  • Low-profile design with low-reflectance finish for minimum visibility

Specifications

Microphones
Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Omnidirectional in hemisphere above mounting surface
Frequency Response 30-20,000 Hz
Low Frequency Roll Off 80 Hz, 18 dB/octave
Open Circuit Sensitivity –31 dB (28.2 mV) re 1V at 1 Pa
Maximum Input Sound Level 132 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range 111 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 73 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 4 mA typical
Switches Flat, roll-off
Weight 262 g (9.2 oz)
Cable 7.6 m (25.0') long, 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors
Dimensions 108.0 mm (4.25") maximum length, 84.0 mm (3.31") maximum width, 23.0 mm (0.91") maximum height
Output Connector TB3M-type
Optional Interchangeable Elements UE-C cardioid (120°); UE-H hypercardioid (100°)
Accessories Included Soft protective pouch

Reviews

Q&A

Downloads

U851RO Specification Sheet
U851RO Specification Sheet