Audio Technica UniLine unipoint U857QMU User Manual

User Manual
Thank you for purchasing this product. Before using the product, read through
the user manual to ensure that you will use the product correctly.
Please keep this manual for future reference.
■ Features
• Designed for high-quality sound reinforcement, professional recording and
broadcasting
• UniLine™ polar pattern provides narrow 90° acceptance angle
• Superior off-axis rejection for maximum gain before feedback
• UniGuard™ RFI-shielding technol-ogy offers outstanding rejection of radio
frequency interference (RFI).
• Easy-to-adjust, rugged, small-diameter, alternating gooseneck with virtually no
"memory" permits quick positioning into desired shape
®
• 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
• Two-stage foam windscreen yields dramatically improved resistance to P-pops
and other breath blasts
• Quick-mount design with 3-pin XLRM-type connector insert at base plugs into
any standard XLRF-type surface or cable connector
• Optional shock mount attenuates noise, shock and vibration transmitted
through the mounting surface
■ Notes on use
The U857QMU stands 543mm from the table or podium, and require 11V to 52V
phantom power for operation.
Avoid leaving the microphone in the open sun or in areas where temperatures
exceed 43°C for extended periods. Extremely high humidity should also be
avoided.
■ Safety precaution
Although this product was designed to be used safely, failing to use it correctly
may result in an accident. To ensure safety, observe all warnings and cautions
while using the product.
■Cautions for the product
• Do not subject the product to strong impact to avoid malfunction.
• Do not disassemble, modify or attempt to repair the product.
• Do not handle the product with wet hands to avoid electric shock or injury.
• Do not store the product under direct sunlight, near heating devices or in a hot,
humid or dusty place.
■ Connection procedure
Connect the output terminals of the microphone to a device that has a
microphone input (balanced input) compatible with a phantom power supply.
The output connector is an XLRM-type with polarity as shown in the figure
below.
Output terminals
PIN1 (ground) PIN2 (hot)
PIN3
(cold)
This product requires 48 V
DC phantom power.
UniLine™ Condenser Quick-mount Gooseneck Microphone U857QMU
■ Specifications
Polar pattern
Frequency response
Low Frequency response
Open circuit sensitivity
Impedance
Maximum input sound level
Dynamic range (typical)
Signal-to-noise ratio*
Phantom power requirements
Dimensions
Output connector
Included accessories
• 1 Pascal = 10 dynes/cm 2 = 10 microbars = 94 dB SPL
* Typical, A-weighted, using Audio Precision System One.
For product improvement, the product is sublect to modification without notice.
■Polar pattern
300°
270°
240°
SCALE IS 5 DECIBELS PER DIVISION
■Frequency response
20
10
0
-10
-20
-30
10 100
■Dimensions
132.0
Audio-Technica Corporation
2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan
©2017 Audio-Technica Corporation
Global Support Contact: www.at-globalsupport.com
Element Fixed-charge back plate, permanently polarized condenser
Line Cardioid (Unidirectional)
30-20,000 Hz
80 Hz, 18 dB/octave
-35 dB (17.7 mV) re 1V at 1 Pa
250 ohms
135 dB SPL (1 kHz at 1% THD)
115 dB (1 kHz at Max SPL)
74 dB (1 kHz at 1 Pa)
11-52 V DC, 2 mA typical
Switch
Flat, roll-off
Weight 165 g
12.2 mm head diameter, 18.9 mm base diameter,
543.0 mm long
Integral 3-pin XLRM-type
AT8154 two-stage foam windscreen
0°
30°
330°
60°
LEGEND
200 Hz
1 kHz
90°
5 kHz
8 kHz
120°
210° 150°
180°
1k 10k
Frequency in Hertz
LEGEND
0°, 50cm
Roll-off
543.0
411.0
12.2
16-MAY-2019
10 dB
100k
18.9
(Unit: mm)
Form No.ATGC-L0427-23