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Architect's and Engineers' Specification
The microphone shall be a dual diaphragm externally biased condenser microphone. The
frequency response shall be 10Hz - 20KHz. The microphone shall have a continuously
variable polar pattern.
The sensitivity of the CTM-1500VP shall be -36dBV (16mV) @ 1Pa. The
microphone shall have a professional 3 pin XLR type output connector. The
microphone shall have a switch selectable 100Hz high pass filter with a 6dB per
octave slope when enabled. The microphone shall have a switch selectable 20dB
non-capacitive pad. The microphone will operate from standard 48V phantom
power with a current consumption of 8mA.
The dimensions of the microphone shall be 6 11/16" tall, 2" wide, and 15/16" high. The
weight of the microphone shall be 17.8 oz (506 grams) not including the shockmount. The
microphone will have a durable urethane painted finish. The microphone will supplied with
a shockmount.
The microphone shall be an ASTATIC CTM-1500VP.
SPECIFICATIONS FOR CTM-1500VP
TWO-YEAR LIMITED WARRANTY
ASTATIC Microphones are warrantied for two years to the original purchaser from the date of purchase by Omnitronics, LLC to be free from defects
in material and workmanship. In event of such defect, product will be repaired or replaced at Omnitronics, LLC discretion with a new unit of equal
or superior value. This will be at no charge if delivered prepaid to Omnitronics, LLC, together with the proof of purchase and a Return Authorization
number. The unit will be returned promptly prepaid. Warranty excludes exterior finish, appearance items, or malfunction due to abuse or operation
under other than specified conditions. Consequential or incidental damages are excluded.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state. Some states do not allow the exclusion
or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts, so the above exclusions and limitations
may not apply to you.
Note: No other warranty, written or oral is authorized by Omnitronics, LLC.
SHIPPING INSTRUCTIONS
Please call our customer service department at 440-593-1111 for a pre-approved return authorization number and carefully repack the unit and return
it to: Omnitronics, LLC, 341 Harbor St., Conneaut, OH 44030
ALL RETURNS MUST HAVE A PRE-APPROVED RETURN AUTHORIZATION NUMBER OR IT WILL BE REFUSED.
If outside the United States, contact your dealer or distributor for warranty details.
46873-64-00 / Rev.0 / 2/16/05 / S.L.W.
Specifications*
Type:
Side address, external bias condenser
Frequency Response:
10Hz-20kHz
Polar Pattern:
Variable
Impedance:
200 ohms
Sensitivity:
-36 dBV (16mV) @ 1Pa
Equivalent Noise Level:
11 dB-A
Maximum SPL:
143 dB SPL (with pad)
Total Harmonic Distortion:
Less than 0.15%
Powering:
Minimum Requirements are 24-52V phantom power capable of
delivering at least 8 mA.
Connector:
Three pin male XLR type.
Finish:
Durable charcoal gray urethane. Black urethane front & rear screen.
Dimensions:
2.25" (57.2 mm) Dia., x 7.00" (177.8 mm) High
Net Weight:
17.8 oz. (506 grams)
The pattern control knob on the CTM-1500VP has a center
detented cardioid position. This allows the user to quickly
and consistently lock the mic in a cardioid pattern. By turn-
ing the knob clockwise from the center, the pattern varies
continuously from cardioid, to subcardioid, through omni-
directional. By turning the knob counterclockwise from the
center, the pattern varies continuously from cardioid, to
hypercardioid through bidirectional (Fig.8). This allows the
user to adjust to the optimal pattern needed for almost any
recording or live situation.
Getting Started
The high gain and wide bandwidth of the CTM-1500VP microphone will easily overload
the inputs of many professional mixing consoles if adequate precautions are not taken.
This is especially true if the microphone is going to be used on percussion or amplified
electronic instruments. If you have never used this microphone before, we strongly
recommend that you initially reduce the system gain by doing one or more of the following:
• Enable the pad switch on the input of your mixing console.
• Start with the input trim control on your mixing console turned down to a low level.
• Enable the -20 dB pad switch on the CTM-1500VP microphone.
• The CTM-1500VP requires a 24-52V phantom power supply, delivering at
least 8mA for proper operation.
* Due to our continuous efforts to improve our products and promote the development
of standards, specifications are subject to change without notice.
cardioid
fig. 8
omni