Peavey ACM-2 User's Manual
Contents
1. 100 Hz 200 He SOH Wz AEB FREQUENCY RESPONSE DIMENSIONS INCHES MILLIMETERS 117 4 500Hz 250Hz POLAR PATTERNS 100Hz For final aiming the wire adaptor may be bent at the angled section as needed GROUNDING For maximum RF rejection it is important that the plug shells of any connecting cables be grounded to pin 1 at each end Ground ifs should not be used HANGING SUGGESTIONS The ACM 2 is designed to be suspended by its attached cable For ease in properly securing the cable to the supporting structure two small cable clamps are provided NOTE The output module is intended to be connected to the cable attached to the ACM Longer cables between the microphone and output module can result in periormance deterioration When first hung the microphone will tend to rotate as the cable relaxes It is suggested that the unit first be hung facing away from the desited postion After 24 hours it should have turned to about the desired direction Smail additional adjustments should be made by simply rotating the microphone slightly in the hanging adaptor ARCHITECTURAL amp ENGINEERING SPECIFICATIONS The microphone shall be a back electret condenser type with a frequency response of 50 Hz to 20 kHz The microphone shall have a cardioid polar pattern with a rear response which is typically 20 dB from the front response The2. SPECIFICATIONS Element Type Polar Pattern Front to back Rejection Impedance Frequency Response Sensitivity Signal to Noise Ratio Maximum SPL Power Requirements Phasing FEINEN ARCHITECTURAL ACOUSTIC ACM 2 Miniature Unidirectional Microphone SPECIFICATIONS Finish Low gloss black Cable 25 miniature 2 conductor shielded Connector Microphone Tiny OG Output Module 3 pin XLR type Dimensions See line drawing Weight Microphone only 0 4 oz 11 gm With Cable 2 6 oz 73 gm Output Module 2 oz 57 gm Furnished Accessories Hanging adaptor foam windscreen output module mounting clips cable clamps FEATURES Back electret condenser element Small unobtrusive design Unidirectional polar response Smooth wide range frequency response Special shielding provisions to guard against RF interference 25 miniature cable for long drops 7 52 volt phantom capability DESCRIPTION CM A formed wire hanging adaptor is supplied to facilitate proper positioning al the microphone when suspended by its cable The very small diameter cable is quite inconspicuous in hanging applications but is woll shielded and rugged enough to reliably support the ACM 2 and its hanging adapter The cable plugs into a compact cylindrical Output Module which connects to the usual XLRtype Spin microphone cable connector Power i
3. e under this warranty call a Peavey customer service representative at 601 483 5376 FEINEN ARCMITECTURAL ACOUSTICS Features and specifications subject to change without notice A Division of Peavey Electronics Corporation 711 A Street Meridian MS 39301 U S A 601 483 5376 Telex 504115 Fax 486 1278 1992 80301602 Printed in U S A 4 92
4. microphone shall have an output power level of 52 dBm where 0 dB 1 milliwatt per Pascal and a nominal impedance of 500 ohms when connected to its output module LIMITED WARRANTY The microphone shall have a low gloss black finish Microphone dimensions shall be 645 diameter by 138 long with an attached 25 cable 010 in diameter The cable shall be terminated with a miniature 3 pin connector to interface with the output module electronics package The output module shall have a low gloss black finish and be 089 in diameter by 462 long The diameter at the output comecior end shall be reduced to permit direct connection with a panel mount input connector of the 3 pin XLA type The output module shall properly interface the microphone with any 7 to 52 volt phantom supply A vinyl coated hanging adaptor shall be included for proper aiming of the microphone when suspended by its cable The microphone shall be an Architectural Acoustics ACM 2 Peavey Electronics Corporation warrants to the original purchaser of this new Architectural Acoustics product that it is free from defects in material and workmanship If within one 1 year from date of purchase a properly installed product proves to be defective and Peavey is notified Peavey will repair or replace it at no charge Note Batteries and patch cords not covered Original purchaser means the customer for whom the product is originally installed Damage resulti
5. ng from improper installation interconnection of a unit or system of another manufacturer accident or unreasonable use neglect or any other cause not arising from defects in material and workmanship is not covered by this warranty The warranty is valid only as to products purchased and installed in the United States THIS LIMITED WARRANTY IS IN LIEU OF ANY AND ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE UNDER NO CIRCUMSTANCES WILL PEAVEY BE LIABLE FOR ANY LOST PROFITS LOST SAVINGS INCIDENTAL DAMAGES OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE THIS LIMITED WARRANTY IS THE ONLY EXPRESSED WARRANTY ON THIS PRODUCT AND NO OTHER STATEMENT REPRESENTATION WARRANTY OR AGREEMENT BY ANY PERSON SHALL BE VALID OR BINDING UPON PEAVEY Peavey s liability to the original purchaser for damages for any cause whatsoever and regardless of the form of action is limited to the actual damages up to the greater of Five Hundred Dollars 500 or an amount equal to the purchase price of the product that caused the damage or that is the subject of or is directly related to the cause of action This limitation of liability will not apply to claims for personal injury or damage to real property or tangible personal property allegedly caused by Peavey s negligence For information on servic
6. s obtained from any phantom source supplying from 7 to 52 vols APPLICATION NOTES CHOOSING POSITION When hanging one or more ACM 2 s to reproduce a choir or instrumental group the specific positioning for optimum sound quality balance and feedback control depends on many factors The size and nature of the performing group the configuration of the performance area the auditorium and the sound system cheracteristics can all be important considerations In general the microphone s are hung somewhat above and in front of downstage from the front row of performers The microphones are usually aimed lo point slightly above the nearest performers It the ensemble is large enough to require more than one microphone for good balance the 3 to 1 rule should be observed This simply means that the spacing between adjacent microphones should be at least three times the distance to the nearest performers for best overall sound quality Some experimentation during rehear sals generally proves very helpful in determining the optimum hanging locations For properly hanging the ACM 2 the formed wire hanging adaptor should be Used The microphones cable is threaded through the coils with the large coils toward the microphone so that it is retained by each of the three coiled suspension areas The cable end of the microphone is then inserted into the large coils until the projecting portion is frmly engaged
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