Specifications

Generating Element:

Moving Coil Dynamic, Neodymium Magnet

Polar Pattern:

Unidirectional (Cardioid)

Frequency Response:

80 Hz - 15 kHz

Output Level:

Power Level:

-54 dB (0 dB = 1 mW per 10 microbars)

Open Circuit Voltage:

-70 dB (0 dB = 1 volt per microbar)

3.2mV/Pascal

Impedance:

600 ohms

Phasing

Positive Pressure on Diaphragm generates a positive voltage on pin 2 relative to pin 3

Switch:

Low profile

Grille Screen:

Woven Flex-Form™ (hardened steel)

Case:

Die Cast Zinc Alloy

Finish:

Durable rubber textured Gunmetal black

Dimensions:

(See drawing on other side)

SPECIFICATIONS FOR CTM 44

@ 1 kHz

Architects’ and Engineers’ Specification

The microphone shall be a dynamic cardioid type, low impedance with a wide range of frequency response, uniform from 80 to 15,000 Hz having an on/off switch. Output level at 1 kHz shall be - 54 dB (0 dB = 1mW/10 microbars). The polar response shall show a minimum of -15 dB at 180 degrees between 150 and 4 kHz. The woven steel screen, when attached to the microphone, shall withstand a drop of 6 feet to a wooden floor without deformation. The microphone case shall be die-cast zinc alloy. The microphone shall have a length of 6-3/4" ±1/32" and a maximum diameter of 1-1/8" ±1/64". The microphone shall be finished in a rubber textured non-reflecting black. Asnap-in clamp and zippered vinyl protective pouch shall be supplied.

The ASTATIC Model CTM 44 is specified.

TWO-YEARLIMITEDWARRANTY

Omnitronics, LLC (“ASTATIC”) hereby warrants that this product will be free of defects in material and workmanship for a period of two years from the date of purchase. In the unlikely event a defect occurs ASTATIC will, at its option, either repair or replace with a new unit of equal or greater value. You should retain proof of purchase to validate the purchase date and return it with any warranty claim. Return warranty claims carefully packed, insured and prepaid to the Service Department at the address listed below.

This warranty excludes exterior finish or appearance, damage from abuse, misuse of the product, use contrary to ASTATIC’s instructions or unauthorized repair. All implied warranties or merchantability or fitness for a particular purpose are hereby disclaimed and ASTATIC hereby disclaims liability for incidental, special or consequential damages resulting from the use or unavailability of this product.

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.

46873-20-00 / Rev. 12-23-03

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Astatic CTM 44 manual Specifications for CTM, Architects’ and Engineers’ Specification, Two-Yearlimitedwarranty
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CTM 44 specifications

The Astatic CTM 44 is a high-performance microphone designed primarily for radio communication, public speaking, and vocal applications. This dynamic microphone combines advanced technology with classic design, offering users a reliable tool for capturing sound with clarity and precision.

One of the standout features of the CTM 44 is its cardioid polar pattern. This design allows the microphone to pick up sound from the front while rejecting noise from the sides and rear. This characteristic is especially advantageous in environments with background noise, ensuring that the speaker's voice remains clear and prominent. The cardioid pattern also minimizes feedback, which is critical in live sound situations.

The CTM 44 employs a rugged construction that is built to withstand the rigors of daily use. With a durable metal body and a reinforced grille, this microphone is designed to endure the challenges of both stage performances and studio recordings. Its robust design gives users peace of mind, knowing that their microphone can handle the demands of various environments without compromising performance.

In terms of sound quality, the Astatic CTM 44 stands out with its broad frequency response, typically ranging from 80 Hz to 12 kHz. This range captures the richness of the human voice, delivering clear highs and a solid low-end presence. The integrated shock mount further enhances the microphone’s performance by reducing handling noises, allowing users to focus on delivering their message without any unwanted disruptions.

A critical technological aspect of the CTM 44 is its high output level. This feature ensures that the microphone delivers strong and consistent sound, making it an ideal choice for both broadcasting and live performances. The versatility of the CTM 44 makes it suitable for a variety of applications, including vocals, instruments, and even as a podium microphone.

One notable aspect of the Astatic CTM 44 is its compatibility with various audio interfaces and mixers, thanks to its standard XLR output. This allows users to easily integrate the microphone into existing setups without the need for special adapters or equipment.

In conclusion, the Astatic CTM 44 is a versatile and durable microphone that excels in vocal applications. With its cardioid polar pattern, rugged construction, high output level, and broad frequency response, it provides an outstanding solution for anyone needing clear and reliable audio capture. Whether in a studio or on stage, the CTM 44 is designed to meet the demands of professionals and enthusiasts alike, making it a trusted tool in the audio world.
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