Peavey IRM 8150 User's Manual
Contents
1. 800 watts 120 V AC 60 Hz Balanced 600Q XFMR 40 GND LO HI NC SG SPOS Balanced 600Q 8Q XFMR 49 GND LO HI E 596565 Jumper Installed Transformer Output to 80 Speaker Direct Output to 4O Speaker Note Jumper must be in place Balanced 6000 l XFMR 40 GND LO HI Jumper Installed To Booster Amplifier etc Balanced Output Connection Note Jumper must be in place 10 Balanced 600Q XFMR 40 GND LO HI 4 80 74 Direct Output to Multiple Speakers in Parallel Total Impedance 40 11 12 SWHO t9 MOST indino 43M Od TWNIWON 0 ALIAILISNAS AfdNI div IVNINON 8 ONY HQLINONW WOOWQOV3H WAWINIW ST AAS INA NI XAY i WAWINIW OL TWNIWON b TBATLINANI Zt WAWIXVW ITH AAT NI WOWIXVIW ABP 8TH Sindio xnv ANNI 2iHd vo NIV OZ NIV9 DO TVNIWON ADdNIBNNVH TVNINON AGP 0 ub L YVNIIWON Sindino Xn v NOW 9 1 1X XVN 15004 ANANI NN YHO 924 p U XVIN 1 1 T3 31 0818 0v HX W2. IRM 8150 becomes an indispensable addition to your performance equip ment All printed circuit boards are constructed from rugged U S military spec material using the latest automated assembly technology wave solder and computer controlled all faults analyzed and corrected Q A procedures Each channel features front panel main and monitor level controls as well as high mid low equalization and AUX send controls Every input channel has a studio quality low imped ance XLR type input microphone input as well as a 1 4 line input Switchable 48 V phantom power is provided The unit features a 150 watt power amplifier CHANNEL SECTION LEVEL 1 Controls the channel output level This signal is routed via the main bus to the main level control The channel level also affects the signal to the AUX send control MONITOR MON 2 Controls the channel monitor mix level This is independent of all other channel controls Controls the amount of signal from a particular channel in the monitor mix This signal is routed to the Mon control in the master section LOW EQ 3 Controls the channel low EQ level An active tone control shelving type 12 dB that varies the low frequency range MID EQ 4 Controls the channel mid EQ level An active tone control peak notch 12 dB that adjusts the mid frequency range HIGH EQ 5 Controls the channel high EQ level An active tone control shelving type 12 dB that varies
3. AWINIW AD dNITENNVH2 13 LIMITED WARRANTY 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 resulting 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 l
4. IRM 5150 Powered Mixer Intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the product CAUTION Risk of electrical shock DO NOT OPEN CAUTION To reduce the risk of electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel WARNING To prevent electrical shock or fire hazard do not expose this appliance to rain or moisture Before using this appliance read the operating guide for further warnings Thank you for purchasing the Peavey IRMTM 8150 mixer amplifier This is an eight channel easy to use powered mixer Your IRM 8150 features a rugged heavy gauge cold rolled steel and aluminum chassis finished in oven cured epoxy for toughness and screen printed utilizing the latest photo graphic film and U V cured ink technology for razor sharp hard wearing control I D and calibration graphics Every on board component has been carefully chosen to deliver the highest possible perfor mance Precision professional reliability and absolute minimal operating noise characteris tics are among the initial criteria used during the process of selecting the components that ensure that your
5. Meridian MS 39302 2898 U S A 601 483 5376 Telex 504115 Fax 486 1278 1994 80302192 Printed in U S A 10 94
6. d be done by a qualified service technician This product should be used only with a cart or stand that is recommended by Peavey Electronics Exposure to extremely high noise levels may cause a permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time The U S Government s Occupational Safety and Health Administration OSHA has specified the following permissible noise level exposures Duration Per Day In Hours Sound Level dBA Slow Response 8 90 6 92 4 95 3 97 2 100 11 2 102 1 105 1 2 110 1 4 or less 115 According to OSHA any exposure in excess of the above permissible limits could result in some hearing loss Ear plugs or protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits as set forth above To ensure against potentially dangerous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation SAVE THESE INSTRUCTIONS 15 ARCHITECTURAL ACOUSTICS Features and specifications subject to change without notice A Division of Peavey Electronics Corporation 711 A Street
7. e record mode set the TAPE AUX IN level control to 0 or off Most tape decks feed the input signal directly to the output when in record mode This creates a closed loop condition from the tape out to tape in jack which can affect the operational level or sonic quality of the system and cause feedback TAPE IN RCA TYPE JACKS 15 These two jacks provide a paralleled input for proper mono mixing of stereo tape deck outputs For monaural tape sources use either jack TAPE OUT RCA TYPE JACKS 16 These two jacks provide the same monaural signal to be supplied to the left and right inputs of a stereo tape deck Output level is determined by the TAPE OUT 12 level control REAR PANEL INPUT OUTPUT SECTION BALANCED LOW IMPEDANCE INPUT 17 For use with low impedance microphones or low level sources equipped with an XLR connector LINE INPUT JACK 18 For use with line level signal or compatible high Z microphones equipped with a 1 4 phone plug NOTE These input jacks 17 amp 18 are typical of each channel It is possible to use both the mic and line inputs on a single channel simultaneously It is however unlikely that the gain matching of the mic and line will allow this hookup to be useful This practice is not recommended PHANTOM POWER ON OFF 19 This switch selects phantom power ON or OFF for all channels Phantom power is on when the switch is in the in position and off when the switch is in the out position This
8. e grounding adaptors should be used Less noise and greatly reduced shock hazard exist when the unit is operated with the proper grounded receptacles OUTPUT BARRIER STRIP 30 Provided for connection of external speakers Power output is 150 watts RMS This is available as a direct output from the power amplifier or as transformer isolated outputs Transformer outputs can be used for an 8 ohm 35 V loudspeaker or used to drive 25 V or 70 V speaker systems Only one output should be used at a time The balanced transformer isolated line level output is provided for connection to booster power amplifiers additional sound systems etc This output is designed to deliver 1 V RMS into a 600 ohm load CHANNEL 1 8 PHANTOM MEVEL POWER 48VDC 3 BAND EQ 5 MIC MAIN BUS PREAMP AUX LON z Low Mid Hi INPUT AUX BUS MON BUS 4 OHM XFMR jJ AUX TAPE ao TO MON Que POWER AMP 2 COMMON 1 gt 8 OHM um ie Qs 2 zov TAPE IN 63 125 250 500Hz 1kHz 2kHz 4kHz 8 2 16 2 TAPE OUT MON MON BUS D gt AUX gus MON OUT IRM 8150 AUX OUT BLOCK DIAGRAM uiu SPECIFICATIONS NOTE specifications are typical unless otherwise noted 0 dBV 1 volt RMS 0 dBu 778 volts RMS All specs are referenced to nominal output level 0 dBV unless otherwise noted All measurements are wideband 20 Hz to 20 kHz unless otherwise stated All control se
9. g bus for patching in returns from external effects devices extra mixing channels etc Using this jack defeats both tape in jacks POWER AMP INPUT 26 This 1 4 jack provides access to connect external line level signals to the power amplifier OPERATION NOTE This jack permits the internal power amplifier to be switched away from its normal input and to accept external line level signals AC POWER AND POWER AMPLIFIER OUTPUT SECTION FUSE 27 The fuse is located within the cap of the fuseholder If the fuse should fail IT MUST BE REPLACED WITH THE SAME TYPE AND VALUE IN ORDER TO AVOID DAMAGE TO THE EQUIPMENT AND TO PRE 6 VENT VOIDING THE WARRANTY If the amp repeatedly blows fuses it should be taken to a qualified service center for repair WARNING THE FUSE SHOULD ONLY BE REPLACED WHEN THE POWER CORD HAS BEEN DISCONNECTED FROM ITS POWER SOURCE POWER SWITCH 28 Center position is OFF Two ON positions are provided one of which will properly ground the amplifier Switch to the ON side that yields the lowest amount of residual hum or popping noise when the instrument is touched 220 and 240 volt models have a two way on off switch only LINE CORD 120 V PRODUCTS ONLY 29 For your safety we have incorporated a three wire line mains cable with proper grounding facilities It is not advisable to remove the ground pin under any circumstances If it is necessary to use the equipment without proper grounding facilities suitabl
10. iability 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 service under this warranty call a Peavey customer service representative at 601 483 5376 14 IMPORTANT SAFETY INSTRUCTIONS WARNING When using electric products basic cautions should always be followed including the following 1 2 3 4 5 6 D 10 11 12 13 14 15 16 17 18 Read all safety and operating instructions before using this product All safety and operating instructions should be retained for future reference Obey all cautions in the operating instructions and on the back of the unit All operating instructions should be followed This product should not be used near water i e a bathtub sink swimming pool wet basement etc This product should be located so that its position does not interfere with its proper ventilation It should not be placed flat against a wall or placed in a built in enclosure that will impede the flow of cooling air This product should no
11. r 18 dBV 8 0 V RMS Tape 18 dBV 8 0 V RMS Aux 18 dBV 8 0 V RMS Nominal Headroom Main 18 dB Monitor 18 dB Tape 18 dB Aux 18 dB Output Impedance Main 100 ohms Monitor 100 ohms Tape 10 K ohms Aux 100 ohms Output Noise Residual 100 dBV Master Level Down Bus 94 dBV Master Nominal All Channel Level Full CCW Aux Returns Down Nominal 86 dBV All Controls Nominal Low Z Input Terminated 150 ohms Aux Input Impedance 120 K ohms Aux Input Level Nom 0dBV Max 7dBV Min 15 dBV Tape Input Level Nom 4dBV Max 11 dBV Min 10 dBV POWER AMP SECTION Frequency Response 0 1 dB 20 Hz to 20 kHz Rated Power direct out 0 1 dB 50 Hz to 20 kHz Rated Power outputs Rated Power Direct Out 150 watts RMS 4 ohms XFMR Outputs 150 watts RMS 8 ohms 150 watts RMS 25 V 4 ohms 150 watts RMS 70 V 33 ohms 1 V RMS into 600 ohms Intermodulation Distortion Less than 0 1 10 mW to rated power 250 Hz amp 7 kHz 4 ohms Total Harmonic Distortion Less than 0 1 SPS Dynamic Range Greater than 26 dB SPS Maximum Distortion Below 0 5 THD for 6 dB overload Below 1 THD for 20 dB overload Hum amp Noise 92 dB below 150 watts Slew Rate 15 V uSec Damping Factor Greater than 100 1 kHz 4 ohms Input Sensitivity 1 V RMS for 150 watts 4 ohms Input Impedance 19 K ohms Power Requirements
12. switch should be activated for use with con denser type microphones Phantom voltage is 48 V DC on pins 2 and 3 referenced to pin 1 MAIN OUTPUT 20 This 1 4 jack provides a signal from the main system mix before the graphic equalizer Used primarily to feed an auxiliary amplifier speaker system See wiring diagram MONITOR OUTPUT 21 This 1 4 jack provides a signal from the MONITOR mix for an external monitor amplifier speaker system The level is determined by the channel monitor and master monitor controls AUX OUTPUT 22 This 1 4 jack provides a signal from the AUX mix for external effects or signal processing equipment This output can also be used for other purposes if external effects are not required These include building a separate mix for recording or broadcasting GRAPHIC INPUT 23 This 1 4 jack provides an input to the internal graphic equalizer power amp This is a switching jack a signal inserted here interrupts the normal signal path from the main bus into the equalizer OPERATION NOTE This jack permits the equalizer to be switched away from its normal input and accept an external signal to be equalized such as the monitor output GRAPHIC OUT 24 This 1 4 jack provides access to the output of the internal graphic equalizer A plug inserted into this jack does not switch the EQ output away from the input to the power amplifier AUXILIARY INPUT 25 This 1 4 jack provides access to an input to the main mixin
13. t be placed near a source of heat such as a stove radiator or another heat producing amplifier Connect only to a power supply of the type marked on the unit adjacent to the power supply cord Never break off the ground pin on the power supply cord For more information on grounding write for our free booklet Shock Hazard and Grounding Power supply cords should always be handled carefully Never walk or place equipment on power supply cords Periodically check cords for cuts or signs of stress especially at the plug and the point where the cord exits the unit The power supply cord should be unplugged when the unit is to be unused for long periods of time If this product is to be mounted in an equipment rack rear support should be provided Metal parts can be cleaned with a damp rag The vinyl covering used on some units can be cleaned with a damp rag or an ammonia based household cleaner if necessary Disconnect unit from power supply before cleaning Care should be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation holes or any other openings This unit should be checked by a qualified service technician if a The power supply cord or plug has been damaged b Anything has fallen or been spilled into the unit c The unit does not operate correctly d The unit has been dropped or the enclosure damaged The user should not attempt to service this equipment All service work shoul
14. t this control sets the volume of the speakers connected to the output barrier strip 30 Maximum master signal level is obtained by rotating this control fully clockwise Minimum master signal level cut is obtained by rotating this control fully counterclockwise MONITOR 10 Controls the overall monitor mix level Maximum monitor signal level is obtained by rotating this control fully clockwise Minimum monitor signal level is obtained by rotating this control fully counterclockwise The moni tor signal is supplied to the monitor output jack 21 AUX 11 Controls the signal level supplied to the AUX output jack 22 Maximum AUX signal level is obtained by rotating this control fully clockwise Minimum effects signal level is obtained by rotating this control fully counterclockwise TAPE SECTION TAPE OUT LEVEL 12 Controls the signal level at the tape out jacks 16 Signal is derived from the main output but operation is independent of the main master level control 9 and the graphic equalizer 8 TAPE AUX IN LEVEL 13 When external signals are patched into the tape in jacks 15 or the auxiliary input 25 TAPE AUX IN LEVEL 13 provides control over the level of signals sent from these inputs to the main mix TAPE AUX TO MON 14 Controls the level of tape or AUX IN signal to be sent to the mon bus This signal will be mixed with channel monitor signals TAPE OUT TAPE IN CAUTION Before placing connected tape decks in th
15. the high frequency range 3 AUX SEND 6 Controls the channel AUX drive level This signal is routed to the AUX master control where AUX send signals from all channels are summed together Controls amount of send from a particular channel to AUX output The channel level control also affects the signal from the AUX send MASTER SECTION POWER INDICATOR PILOT LIGHT LED 7 Illuminates when AC power is being supplied to the amp 9 BAND GRAPHIC EQ 8 Provides 6 dB 12 dB equalization at each center frequency EQ boost is obtained by moving a particular EQ band s slide control above the center line EQ cut is obtained by moving a particular EQ band s slide control below the center line OPERATION NOTE This equalizer is designed to provide room equalization feedback control and system tone control No amount of equalization will correct the response curve of a poor loudspeaker Always begin with all sliders in the 0 position and avoid excessively cutting large segments of the audio passband which would limit the system s dynamic range Also avoid boosting sliders excessively This limits the headroom of the amplifier and can cause clipping if excessive channel EQ boost is used simultaneously MAIN 9 Controls the overall volume level of the main system The signal from this control is available at the main output 20 Under normal conditions this signal is also internally patched through the graphic EQ and power amplifier so tha
16. ttings are nominal 50 rotation unless otherwise noted CHANNEL Equivalent Input Noise 114 5 dBV 40 dB max gain Frequency Response to speaker outputs 1 dB 20 Hz to 20 kHz Distortion 1 kHz Less than 015 Input Impedance Low Z Bal 1 7K ohms Line Input 13 K ohms High EQ 12 dB 10 kHz minimum center detent flat 2 dB Mid EQ 12 dB 600 Hz minimum center detent flat 2 dB Low EQ 12 dB 50 Hz minimum Center detent flat 2 dB Nominal Channel Gain Low Z 20dB Line OdB Minimum Channel Gain Low Z 69 dB Line 89dB Maximum Channel Gain Low Z 40dB Line 20dB Nominal Input Level Low Z 20dBV Line 0dBV Minimum Input Level Low Z 404 Line 20dBV Maximum Input Level Low Z 6dB Line 26dB Phantom Power 48 V DC GRAPHIC EQUALIZER Filter Bandwidth 1 octave Filter Frequencies ISO Stds 63 Hz 125 Hz 250 Hz 1 kHz 2 kHz 4 kHz 8 kHz 16 kHz Filter Q 1 57 Maximum Boost amp Cut 6 dB 12 dB Noise 100 dBV Distortion 1 kHz Less than 005 Frequency Response 1 dB 7 Hz to 40 kHz Input Level 0dBV 1 0 RMS Max 19 dBV 9 V RMS Output Level 0dBV 1 0 V RMS Max 19 dBV 9 V RMS Input Impedance 10 K ohms Output Impedance 100 ohms MASTER Gain Main 20 dB Monitor 15 dB Tape 15 dB Aux 15 dB Maximum Output Level Main 18 dBV 8 0 V RMS Monito
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