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One-Year Limited Warranty
Audio-Technica microphones and accessories purchased in
the U.S.A. are warranted for one year from date of purchase
by Audio-Technica U.S., Inc.(A.T.U.S.) to be free of defects in
materials and workmanship. In event of such defect, product
will be repaired promptly without charge or, at our option,
replaced with a new product of equal or superior value if
delivered to A.T.U.S. or an Authorized Service Center,
prepaid, together with the sales slip or other proof of purchase
date.
Prior approval from A.T.U.S. is required for return.
This warranty excludes defects due to normal wear, abuse,
shipping damage, or failure to use product in accordance with
instructions.This warranty is void in the event of unauthorized
repair or modification.
For return approval and shipping information,
contact
the Service Department, Audio-Technica U.S., Inc.,
1221 Commerce Drive, Stow, Ohio 44224.
Except to the extent precluded by applicable state law,
A.T.U.S. will have no liability for any consequential,
incidental, or special damages; any warranty of mer-
chantability or fitness for particular purpose expires
when this warranty expires.
This warranty gives you specific legal rights, and you may
have other rights which vary from state to state.
Outside the U.S.A., please contact your local dealer for
warranty details.
PRO 45 and PRO 45W
200 Hz
1 kHz
5 kHz
8 kHz
LEGEND
SCALE IS 5 DECIBELS PER DIVISION
90
60
120
30
150
210
240
270
300
330
180
0
PRO45/PRO45W SPECIFICATIONS
†
Element ..................................................... Fixed-charge back plate
permanently polarized condenser
Polar Pattern ............................................. Cardioid (Unidirectional)
Frequency Response .............................. 70-16,000 Hz
Open Circuit Sensitivity .......................... –37 dB (14.1 mV) re 1V at 1 Pa*
Impedance ................................................ 100 ohms
Maximum Input Sound Level .................. 134 dB SPL, 1 kHz at 1% T.H.D.
Signal-to-noise Ratio
1
.............................. 66 dB, 1 kHz at 1 Pa*
Dynamic Range (Typical) ......................... 106 dB, 1 kHz at Max SPL
Phantom Power Requirements ............... 9-52V DC, 2 mA typical
Weight (less cable) .................................... 0.5 oz (15 grams)
Dimensions .............................................. 2.24" (56.9 mm) long,
0.47" (12.0 mm) head diameter
Output Connector..................................... 3-pin XLRM-type
Cable ......................................................... 25' (7.6 m) long (permanently attached
to microphone), 0.10" (2.6 mm) diameter,
2-conductor, shielded cable
Accessories Furnished .......................... Foam windscreen, steel hanger
† In the interest of standards development, A.T.U.S.offers full details
on its test methods to other industry professionals on request.
* 1 Pascal = 10 dynes/cm
2
= 10 microbars = 94 dB SPL
1
Typical, A-weighted, using Audio Precision System One
Optional Accessories:
AT8104a large metal windscreen.
AT8117 large foam windscreen for
high-wind conditions.
CP8201 line matching transformer
(Lo-Z to 50,000 ohms).
AT8202 adjustable in-line attenuator for use
with balanced Lo-Z microphones.
AT8314 2-conductor, shielded, vinyl-jacketed,
broadcast-type cable with XLRF-type connector
at microphone end, XLRM-type connector at
equipment end. Available in 10', 20', 25', 30', 50'
& 100' lengths.
CP8506 four-channel 48V phantom power
supply (AC powered).
AT8801 single-channel 48V phantom power
supply (AC powered).
Polar Pattern
Dimensions
0.47"
12.0 mm
25
7.6 m
68.0 mm
2.68"
0.75"
19.0 mm
2.24"
56.9 mm
2.6 mm
0.10"
Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224
Audio-Technica Limited, Old Lane, Leeds LS11 8AG England
Form No. 0320-0805-02-B/W © 1999 Audio-Technica U.S., Inc. Printed in U.S.A.