- Inter-M
Contents
1. 222 2 2 0000 00000000011000220 2220222 022 220 11 Block Diagram ctn reiten en m ont be tUe ot ba ob 13 uos 14 Service _6_6_8__ _ _0__ ___ _________ ____ _____ 15 OC FSS 15 PARSE ree cers aa a 15 Variations and Options nennen ten 15 Warran AE 15 REFERENCE AMPLIFIER Welcome A personal welcome to you from the management and employees of Inter M All of the co workers here at Inter M are dedicated to providing excellent products with inherently good value and we are delighted you have purchased one of our products We sincerely trust this product will provide years of satisfactory service but if anything is not to your complete satisfaction we will endeavor to make things right Welcome to Inter M and thank you for becoming part of our worldwide extended family This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within CAUTION the product s enclosure that may be of suf ficient RISK OF ELECTRIC SHOCK magnitude to constitute a risk of electric shock to DO NOT OPEN persons This symbol is intended to alert the user to the presence of important operation and mainte nance DO NOT REMOVE COVER OR BACK 5 in the literature accompanying CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK NO USER S2. Power Source AC 100V 110V 60Hz 230V 240V 50Hz Power Consumption 1 5A 2 4A 3 9A Weight 7 2kg 15 9lb 8 4kg 18 5lb 10 4kg 22 9lb Dimensions 482mm 19in W x 88mm 3 5in H x 317mm 12 5in D Specifications and design subject to change without notice 14 R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Service Procedures Take steps to insure the problem is not related to operator error or other products within the system Information provided in the troubleshooting portion of this manual may help with this process Once it is certain that the problem is related to the product contact your warranty provider as described in the warranty section of this manual Schematic A Schematic is available by contacting your warranty provider Parts List A Parts List is available by contacting your warranty provider Variations and Options Variations Products supplied through legitimate sources are compatible with local AC power requirements Options No optional items are available for this product Warranty Warranty terms and conditions vary by country and may not be the same for all products Terms and conditions of warranty for a given product may be determined first by locating the appropriate country which the product was purchased in then by locating the product type To obtain specific warranty information and available service locations contact Inter M directly or the authorized Inter M Distrib
3. WITH HANGE DE uS SUUS BRIDGED 92 eremo c AC INPUT 230V 50Hz 480W FUSE T5AL 250V www inter m com R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Connections Inter M products are wired to reflect accepted wiring practices used throughout the world Balanced XLR connectors are wired as described Pin 1 Shield Pin 2 Positive Pine 3 Negative Balanced 1 4 TRS connectors are wired as described Tip is Positive Ring is Negative Sleeve is Shield Hot positive Hot positive Cold negative Screen Cold negative Sleeve Balanced Input Sleeve Insert Points Tip Amp Line Input LPS 3 Pole Stereo Jack Hot positive Cold negative Screen Tip Headphones Left Signal Right Signal Ground Unbalanced Input Output zs Pole Mono Jack AUX Send R150 PLUS 300 PLUS 500 PLUS 11 REFERENCE AMPLIFIER Stereo operation uses one positive and one negative terminal from the same channel STEREO CONNECTION Negative CH2 9 Positive CHANNEL 2 CHANNEL 1 40 80 40 80 _ Q Negative eH Positive Locking Speaker Connector AMP OUTPUT CH1 CH2 Pin set 1 Negative Wiring Diagram _ Positive Bridged Mono uses the Positive terminals from both channels the negative terminals have no connection Bridged Mono operation has an impedance limitation of 80 BRIDGED MONO CONNE
4. DO NOT BALANCED 0dBm 40 80 mer ol ure acre 1 1 1 1 i REDUCE THE RISK OF 0 m REPLACE ONLY WITH A TIL 14 CN m 1 1 1 1 1 www inter m com 1 BALANCED INPUT CONNECTORS Each input channel is equipped with a 1 4 TRS and an XLR connector Standard rules of interconnect apply 2 MODE SELECTOR SWITCH Move this switch to select either the STEREO or BRIDGED MONO position as needed for the application The Stereo mode is most common Channel 1 input feeds the channel 1 output The channel 2 input feeds the channel 2 output The Bridge Mono mode combines both channels to create one larger mono channel Input signal applied to channel 1 will be available across the positive terminals of Channel 1 and channel 2 Do not connect the channel 2 input or any of the negative outputs 3 OUTPUT CONNECTORS Binding Posts and Locking speaker connectors are provided Bridged Mono operation requires a different method of connecting the cables than Stereo operation Be sure than the amplifier is in the correct mode before connecting the speaker load 4 FUSE The fuse protects the amplifier by opening the circuit for the AC mains power in case of overload or malfunction If the fuse opens the amplifier and the various other components in the system should be checked for proper operation If the fuse continues to open after verifying th
5. peration Manual R150 PLUS 300 PLUS 500 PLUS Reference Amplifier 12 119 8 8 129 2 13 2 7 13 LX D CHANNEL 1 D 0 CHANNEL2 R500 Z7 27245 d p d REFERENCE AMPLIFIER N 22 y A 13 2 SIG CLIP PROT 29 442 SIG CLIP PROT POWER 54 inter 11 Rack mount products in the Western Hemisphere North America South America and the Caribbean do not have handles installed due to customer preference Inter Contents Welcome Tr 1 WEE e _ 2 Short Form nooo o neonne eaaa n a EDDA DEED DEEDS EEDE E DDED DEEDS ED EEDD ED Eo nannan 2 Installation PEE 3 Important Safety Instructions 3 4 icto AUT RENI PR 4 sis 4 Front Panel annaran an aaea a anaE an E EADE E EE E EEEE DEAE AEAEE E EEEE EE EEE E E nan 5 Rear 6 Mounting a Rack nennen tennis 7 Applications Stereo Installation cccccccccccscccececcccucecccuseccucccccuuccecuceccscccuueccesececuecceseseeusecesunscesuecesanecessuscesaeecs 8 Bridge Mono remit do rS 9 Linked 24 0 0202 6 020778 10 5
6. Important Safety Instructions CON O Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service p
7. CKAGING OR EQUAL IS REQUIRED in the unlikely event that the product needs to be returned for servicing Short Form Instructions l 2 3 Do not connect the AC power until step 6 The POWER switch should be in the OFF position Adjust both of the LEVEL controls to the fully attenuated position turn counter clockwise Connect an appropriate line level input signal to either the balanced XLR or the balanced 1 4 TRS Tip Ring Sleeve connector marked INPUTS Move the MODE selector to the desired position The Stereo position is the most common Connect the OUTPUTS to the speaker load according to the mode of operation determined in the previous step With the power switch in the OFF position plug in the supplied Universal AC power cord to the product and an appropriate AC source Depress the power switch to the ON position The power switch will illuminate The product is ready for operation Slowly increase the LEVEL control to the desired operating level Avoid illuminating the PEAK indicator and do not apply too much power to the speakers Operate the product and the system in a manner which DOES NOT illuminate the PEAK warning indicator R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Installation Environment Never place this product in an environment which could alter its performance or reduce its service life Such environments usually include high levels of heat dust moisture and vibration
8. CTION OUTPUT CHANNEL 2 CHANNEL 1 40 89 40 80 9 ea den Negative Positive NOT CONNECTED NOT CONNECTED 1 1 1 1 BRIDGED 2 Positive 1 L Negative 2 BRIDGED Positive L Negative 12 R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Block Diagram c8 ii 3514 2 224 MS ZHO9 022 OV ZHOS 0 2 0 2 ZHO9 AOLL OOL OV 3OMhOS N3MOd 19 uluoyoz iL LINDO OAM3S CHO JONV 1V8 193108 WNO9IS 40123130 15 MS 0 300W ONON Wa 19310 480123130 0 TT OAM3S Q M ae J AV 134 N 11V 10040 S439V 3dS 39715 JAINQ JONVIVE 19 394 18 28 4 13 R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Specifications OdB 0 775 Vrms Half Power 1 2 Power Output Level Rated Power Power Output Level STEREO 8O T H D 0 5 AQ T H D 0 5 BRIDGED 8Q T H D 0 05 8Q T H D 0 5 Frequency Response 20Hz 20kHz 0 5dB T H D 20Hz 20kHz half power Channel Separation half power 8Q Residual Noise Signal to Noise Ratio gt 100dB Input Sensitivity rated power into 4Q at 1kHz OdBm Indicators Function Power Clip Limiter Signal Protection Protection Power ON OFF muting short circuit and thermal
9. ERVICEABLE PARTS INSIDE Caution To prevent electric shock do not use this polarized plug with an extension cord receptacle or other outlet unless the blades can be fully inserted to prevent blade expo sure REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Attentions Pour pr venir les chocs lectriques ne pas utiliser cette WARNING fiche avec un prolongateur une prise de courant on une autre sortie de courant sauf si les lames peuvent To prevent fire or shock hazard do not tre ins r es a fond sans en laisser aucune partie a d couvert expose the unit to rain or moisture Do not install this equipment in a confined space such as a book case or similar unit The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such vases shall be placed on the apparatus Worded WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING WATER AND MOISTURE Unit should not be used near water e g near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool etc Care should be taken so than objects do not fall and liquids are not spilled into the enclosure through openings R150 PLUS 300 PLUS 500 PLUS 1 REFERENCE AMPLIFIER 2 Unpacking Please take a few minutes to read this manual to familiarize yourself with important information regarding installation product features and operation As with most electronic devices ORIGINAL PA
10. RISQUE DE a CF ANNEL 1 TO REDUCE THE RISK CHANNEL 1 ODEL NO Agoo 2225 MM REN 2501 9 40 STEREO RT EFER 50QW Gib SERVICING TO QUALIFIED VOQE SERVICE PERSONNEL E P CAUTION TO REDUCE THE RISK OF CEA 40 80 FIRE REPLACE ONLY WITH ME TYPE FUSE UTILISER UN FUSIBLE NGE D REGN cYo er 0 40 300 S No le AC INPUT 230V 50Hz 480W FUSE T5AL 250V 9999939 ss LLTTI CASSETTE DECK AUDIO MIXER R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Applications 2 BRIDGED MONO INSTALLATION AMP MODE SPEAKER STEREO BRIDGED CHANNEL 2 CF ANNEL 1 CAUTION CHANNEL 1 TO REDUCE THE RISK CHANNEL Z C eg 50W d 40 STEREO PARTS INSIDE REFI PUT 500 digo BRIDGED MONO SERVICING TO QUALIFIED LAE 20 in BALANCED 0dBm 1 OdBm qr T i X EN S SERVICE PERSONNEL 3 x C O OM cuam 0 6 L TO REDUCE THE RISK OF w e e 7 1 FIRE REPLACE ONLY WITH SAME TYPE FUSE X UTILISER UN FUSIBLE 2 gt DE RECHANGE DE I OG 2 890 40 5 X MONO e
11. at the system is wired correctly and that an overload has not occurred the amplifier should be checked for proper operation by a service technician 5 AC INPUT Connect this product to an appropriate AC power source using the supplied Universal AC Power Cord R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Mounting in a Rack If multiple high power amplifiers are mounted in a rack with poor ventilation the heat from the amplifiers will cause the interior of the rack and the amplifiers to become very hot which may cause problems with amplifier performance If amplifiers are mounted in a rack without an open rear you should use special care to help ensure proper ventilation of the rack Here are suggestions to help keep the amplifiers properly ventilated 1 Leave a space of at least 10 cm 4 inches between the rear door of the rack and the rear panel of the amplifier 2 Install a fan or blower in the rack to help cool the equipment 3 Install blank or vent panels between amplifiers Typical Rack with multiple amplifiers Auto Blower PF 9302 m 2 R150 PLUS 300 PLUS 500 PLUS EM i O C www inter m com Blank Panel R150 PLUS 300 PLUS 500 PLUS Blank Panel R150 PLUS 300 PLUS 500 PLUS R150 PLUS 300 PLUS 500 PLUS 7 REFERENCE AMPLIFIER Applications 1 8 STEREO INSTALLATION SPEAKER SPEAKER AMP MODE STEREO BRIDGED AVIS CAUTION nter C eg
12. ersonnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped R150 PLUS 300 PLUS 500 PLUS 3 REFERENCE AMPLIFIER Description R150 PLUS A 2U rack space 2 channel amplifier capable of 150W into 80 load bridged mono R300 PLUS A 2U rack space 2 channel amplifier capable of 300W into 80 load bridged mono R500 PLUS 20 rack space 2 channel amplifier capable of 500W into 80 load bridged Features AQ stable per channel stereo 80 stable bridge 20 rack space Front panel indicators for signal strength clip protect and power Rack Ears for permanent installation in a standard 19 rack mount width enclosure Detachable AC power cord Accessories One detachable AC power cord is provided for use with this product 4 R150 PLUS 300 PLUS 500 PLUS REFERENCE AMPLIFIER Front Panel of 12 1109 8 12 1199 8 POWER 13 92 T SENE D DU CHANNEL 2 LUS 2 s REFERENCE AMPLIFIER 208 22 33 j 29 PROT 29 SIG CLIP PROT POWER 54 et 54 41 0 0 Oo w inter 1 LEVEL CONTROL This determines the level of the input signal for each channel In stereo mode the knobs wil
13. l lo AC INPUT 230V 50Hz 480W FUSE T5AL 250V 000000 9999939 ss EL 22 1 AUDIO MIXER R150 PLUS 300 PLUS 500 PLUS 9 REFERENCE AMPLIFIER Applications 3 10 LINKED INSTALLATION Linking works with stereo or bridged mono operation AMP MODE STEREO BRIDGED SPEAKER SPEAKER AVIS OUTPUT CAUTION CHANNEL 2 ter VI RISQUE DE CHOC L 2 CI ANNEL 1 TO REDUCE THE RISK CHANNEL 1 VINDEL NO ae 24445 i x NOT REMOVE COVE BALANCED m Jj 6 NOT REMOVE R E NPARTS INSIDE REFER P SERVICE PERSONNEL TO REDUCE THE RISK OF 40 80 40 80 REPLACE ONLY Y WITH T PE p E ECHANGE Tm an sO of Ip 80 160 INPUT 230V cue 480W FUSE T5AL 250 AMP MODE STEREO BRIDGED SPEAKER CHANNEL 2 TO REDUCE THE RISK CHANNEL 1 OF ELECTRIC SHOCK S P OUVRI X DO NOT REMOVE COVER BASED 3 3 PARTS INSIDE P SERVICE PERSONNEL x 2 8 CAUTION oy TO REDUCE THE RISK OF 4 0 80 97
14. l determine the signal level independently for each channel In the bridge mono mode only the channel 1 level control is used 2 SIGNAL INDICATOR This indicates the level of the input signal This should be illuminated during normal operation 3 CLIP INDICATOR This LED warns of a problem in the system when illuminated Reduce the LEVEL of the device which supplies signal to the amplifier or reduce the LEVEL control s on the amplifier This LED should not be illuminated during normal operation 4 PROTECTION INDICATOR This LED warns of a problem in the system when illuminated Reduce the volume and look for problems It is possible that the amplifier is too hot or the speaker impedance is too low This LED should not be illuminated during normal operation 5 POWER INDICATOR This LED indicates the amplifier is switched ON and receiving AC POWER when illuminated 6 POWER SWITCH The position of this switch determines whether the power is ON or OFF The power on status is confirmed by the power indicator Amplifiers are always the last item in a system to be turned on It is a good idea to turn down the level controls before applying AC mains power 7 HANDLE Handles are provided for moving and installing into equipment enclosures or racks R150 PLUS 300 PLUS 500 PLUS 5 6 REFERENCE AMPLIFIER Rear Panel CHANNEL 2 RISQUE DE TO REDUCE THE RISK CHANNEL 1 ELECTRIQUE NE __ 4 i 23 P
15. utor for your specific country or region R150 PLUS 300 PLUS 500 PLUS 15 inter Inter M Ltd Korea began operations in 1983 Since then Inter M has grown to become one of the largest manvfacturers of professional audio and commercial sound electronics equipment in the world Inter M has gained worldwide recognition for its own branded products as well as private label manufacturing of electronics sold under other names The company is no longer just a Korean company but rather a global company that is truly international in scope with factories and offices in Korea and China and sales and marketing operations located in Japan Europe and the U S A With more than 850 employees around the globe Inter M is well poised for further growth and expansion INTER M AMERICAS INC 1 EAST BEACON LIGHT LANE CHESTER PA USA 19013 4409 TEL 1 610 874 8870 FAX 1 610 874 8890 Home Page http www inter m net E mail service inter m net INTER M Corporation SEOUL OFFICE 653 5 BANCHAK DONG DOBONG KU SEOUL KOREA TEL 82 2 2289 81 40 8 FAX 82 2 2289 8149 Home Page http www inter m com E mail export inter m com MADE IN CHINA December 2005 9007300410 A
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