Astatic CTM-1500VP User manual

Description
The ASTATIC CTM-1500VP is a continuously variable-pattern side address
large diaphragm condenser microphone designed for professional sound
reinforcement,recordingandbroadcastapplications.TheCTM-1500VPcombines
vintage 1.1" gold sputtered, externally biased capsule design with advanced
electronics. Continuously variable pattern control allows the operator to "dial
in" precise coverage according to desired miking techniques as well "dial down"
feedbackpotentialaccordingto mic placement and reflected sound waves.Vintage
capsule voicing features a slight rising audio response at 6KHz and 12KHz
(cardioid) makes the CTM-1500VP the choice for vocal, choral and acoustic
instruments in fidelity sound reinforcement as well as recording and broadcast
applications.
CTM-1500VP
VARIABLE PATTERN PREMIUM 1.1"
DIAPHRAGM CONDENSER MICROPHONE
CommercialAudio Products
ASTATIC Quality
All CTM-1500VPmicrophones are audio tested and inspected prior to shipment.
Our absolute commitment to quality insures that ASTATIC microphones remain
the Best Value in today's competitive industry.
Features
• Ideal for miking choirs, vocals and acoustic
instruments
• Continuously variable polar pattern selector
• Hi pass filter (6dB/oct @ 100Hz)
• 20dB pad
• Premium 1.1" diaphragm
• Transformerless output for high SPL and high
sensitivity
• Operational amplifiers instead of Field Effect
Transistors assure optimum performance and very
high gain
• New discrete high efficiency power supply circuit
allows greater dynamic range and lower self-noise
• Included stand adapter, shockmount and vinyl pouch
Theimplementationof high speed, low noise,low distortion electronics combined
with a vintage capsule design and continuously variable pattern control make the
CTM-1500VPa new benchmark of flexibility when selecting a large diaphragm
condenser mic for performance sound reinforcement.

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
microphonewillhaveadurable urethane paintedfinish. The microphonewill supplied with
a shockmount.
The microphone shall be anASTATIC CTM-1500VP.
SPECIFICATIONS FOR CTM-1500VP
TWO-YEARLIMITED WARRANTY
ASTATIC Microphonesarewarrantiedfortwoyearstotheoriginal purchaserfromthedateofpurchasebyOmnitronics,LLCtobefreefromdefects
inmaterialandworkmanship.Ineventofsuchdefect,productwillberepairedorreplacedat Omnitronics, LLCdiscretionwithanewunitofequal
orsuperiorvalue.ThiswillbeatnochargeifdeliveredprepaidtoOmnitronics,LLC,togetherwiththeproofofpurchaseandaReturnAuthorization
number. Theunitwillbereturnedpromptlyprepaid.Warrantyexcludesexteriorfinish,appearanceitems,ormalfunctionduetoabuseoroperation
underotherthanspecifiedconditions.Consequentialorincidentaldamages are excluded.
Thiswarrantygivesyouspecificlegalrightsandyoumayalsohaveotherrightswhichvaryfromstatetostate.Somestatesdonotallowtheexclusion
orlimitationofincidentalorconsequentialdamagesorlimitationsonhow longanimpliedwarrantylasts,sotheabove exclusions andlimitations
maynotapplytoyou.
Note:Nootherwarranty,writtenororalis authorizedbyOmnitronics,LLC.
SHIPPING INSTRUCTIONS
Pleasecallourcustomerservicedepartmentat440-593-1111forapre-approvedreturnauthorizationnumberandcarefullyrepacktheunitandreturn
itto:Omnitronics,LLC,341HarborSt., Conneaut,OH44030
ALLRETURNS MUST HAVE APRE-APPROVED RETURNAUTHORIZATIONNUMBER ORIT WILLBE REFUSED.
IfoutsidetheUnitedStates,contact yourdealerordistributor forwarrantydetails.
46873-64-00 / Rev.0 / 2/16/05 / S.L.W.
Specifications*
Type: Side address, external bias condenser
Frequency Response:
10Hz-20kHz
PolarPattern:
Variable
Impedance:
200ohms
Sensitivity:
-36dBV(16mV)@1Pa
EquivalentNoiseLevel:
11dB-A
MaximumSPL:
143dB SPL(with pad)
TotalHarmonicDistortion:
Less than 0.15%
Powering:
Minimum Requirements are 24-52V phantom power capable of
delivering at least 8 mA.
Connector:
Threepin male XLR type.
Finish:
Durable charcoal gray urethane. Black urethane front & rear screen.
Dimensions:
2.25"(57.2mm)Dia.,x7.00"(177.8mm)High
NetWeight:
17.8oz.(506 grams)
The pattern control knob on the CTM-1500VPhas 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-1500VPmicrophone 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
recommendthat you initially reduce the system gain by doing one or more of thefollowing:
• Enable the pad switch on the input of your mixing console.
• Startwith the input trim control on your mixing console turned downto a lowlevel.
• Enable the -20 dB pad switch on the CTM-1500VPmicrophone.
• 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