Furman Sound SRM-80A User's Manual
Contents
1. s S Outputs ource B H R 1 4 TRS gt gt gt D outi Floating Bal output Stage OdB gain InputA FS Es d B eleci 1 4 TRS gt I 4 position RCA Unbalanced Buffers Cow 1 tB Monitor RCA POA un al Select 5 position gt D Input C E gt RCA RCA H b gt Bo gt Headphone Volume Headphone Input D Le Re 1 gt Amplifier L Front Panel RCA Lp 6dB gain 1 4 TRS 6 dB gain Amplifier Select Rel OVU OdBu VU PPM 6dB gain Speaker Cr ON 7 Meter Volume Control 1 Amplifier 0 VU 4dBu and Mono Sum and floating balanced Mono Control output stage Gain Control for Amp Push button switches A vs Bvs C and DIM TIS Remote Control Amplifier Select Mono Dim Select Amp A vs Amp B G PTRS 5 Pin DIN Select Amp Spkr B C Amplifier Level Trim Pots Amp C 1 4 TRS Amp B C Low level Relay or gt Speaker B C Amp B Output 5 way post To Speaker B 5 way post To Speaker C High level Relay 5 way post OPTIONAL SRM RU REMOTE CONTROL The optional five button SRM RU allows re mote control of Speaker Selection MONO and DIM An LED indicator is provided for each button and a 10 foot cable is included ABOUT THIS MANUAL We want to make it easy for you to set up your SRM 80A Page Two of this manual tells you how to do just that step by step Page four gives you detailed information on all of2. OU TPUT NPUT MINIDISC FROM D OUT TO D Ww OU TPUT NPUT TO SOURCE IN COM PACT DISCPLAYER SOURCE MIXER RECOR DER The SRM 80A provides a high resolution 40 LED x 2 bar graph meter to display the signal selected for listening The meter displays a pre fader signal for accurate monitoring of the signal going to tape or disc This meter has true VU ballistics or can be switched to Peak Program Mode via the front panel toggle Switch The meter also features a slow re lease time Peak Hold function to allow easy verification of critical levels The SRM 80A s MONO SUM feature provides the ability to check for radio compatibility and is a good spot check to see how you ve Input to Output Routing Switches Balanced Buffers messed up the stereo image Only the sends to the speakers are affected While radio air play is nearly always stereo these days phas ing problems and odd panning arrangements can show up in less than ideal listening envi ronments such as cars and many locations in nightclubs The SRM 80A also features a DIM switch to allow an easy way to lower the level to the speakers but not the headphones tempo rarily without disturbing any level controls Connect any Input to any Output EXCEPT A cannot send to A B cannot send to B etc
3. A N DAT RECORDER TO B N FROM B OUT OU TPUT BM aes FROM A OUT OU TPUT OU TPUT FROM AMEE TO SPK BL FROM C OUT e e SRM 80 ee TO C N OU TPUT L WNPUT TO SOURCE IN MINIDISC FROM OUT TO D N OU TPUT NPUT COM PACT DISCPLAYER SOURCE MIXER RECOR DER STEP BY STEP GUIDE TO SET UP USING SINGLE POWER AMP Please also refer to the System Set Up 1 drawing on the facing page Cables needed 2 Pair Speaker to Binding Posts the banana plug type Speakers B C 1 Pair 1 4 TRS Balanced to Monitor Line output A Powered Speakers 6 Pair RCA I O to Devices 2 Pair 1 4 TRS Balanced to Device A L R I O 1 Pair 1 4 TRS Balanced to SOURCE L R Input 1 Pair 1 4 TRS Balanced to Power Amp L R Inputs 1 Pair Power Amp Out to FROM POWER AMP OUT Binding Posts banana plugs Make sure SRM 80 and all other devices are switched OFF before making any cable connections Decide which devices will be labeled A and D Device A should be any pro level balanced units such as a DAT machine Label the Output Select Switch and the speaker pairs on the front panel tabs Use adhesive labels so you can relabel for different configurations Mount the SRM 80 in your rack Depending on your setup it may be easier to cable all your gear before mount ing the SRM 80 in your rack Otherwise go
4. TO D TO LTEN TO WH AT BEIN RECORDED THROU GH THE SPEAKERS AND HEADPHONES DAT can receive signals from device Source B or D INPUTS depending on where you position this knob OUTPUT SELECT B This four position knob works like the output select knob described above For example if the B RCA OUTPUTS on the back panel are used for a cassette recorder the recorder can receive signals from stereo device Source A C or D INPUTS OUTPUT SELECT C The SRM 80As5 OUTPUTS can receive signals from device Source A B or D INPUTS depending on where you position this knob For example if the RCA OUTPUTS on the back panel are used for a MiniDisc recorder the re corder can receive signals from stereo device Source A B or D INPUTS OUTPUT SELECT D The SRM 80A s D OUTPUTS can receive signals from device Source A B or C INPUTS For ex ample if the D RCA OUTPUTS on the back panel are used for a CD player recorder the recorder can receive signals from stereo de vice Source A B or C INPUTS MONITOR SELECT This five position knob allows you to select which device you will hear through your speakers and headphones the main console or soundcard mix Source or the output of any devices A through D LISTENING LEVEL Controls the loudness level you hear through your speakers It does not affect the signal going to any of the stere
5. SPEAKERS WITH AMP B C B C SWITCH IS SPK SEPARATE ROWER S CONNECT LINE OUTPUTS A B AND C TO THE INPU OF POWERED SPEAKERS OR POWER AMPLIFIERS SET TO AMP B C AMP B C A Yo oyo ay SPEAKER d SPEAKER B INPUT 25 4 OUTPUT IS OUTPUT IS AMP IS NOT NOT USED NOT USED USED FIGURE B CONNECTDNS FOR 2 RBRSOF 55 C SWITCH IS SET TO SPK B C val SER SPEAKER WITH A SINGLE AMP BOTH LINE OUTPUTS B AND C WILL BE PRESENT AT THE B 1 4 OUTPUTS AMP B C E SPK B C PASSIVE SPEAKERS TO SPEAKER C OUTPUTS CONNECT PASSIVE SPEAKERS TO OUTPUTS AMPLIFIER TO SPEAKER B THESE INPUTS CONNECT LINE OUTPUT Is A TO THE INPUTS OF POWERED SPEAKERS OR POWER AMPLIFIER SIGNAL my BE PRESENT AT THE 1 4 LINE OUTPUT C CONNECT OUTPUT OF SPEAKERS B AND C Binding posts For use with a single power amp These left right bind ing posts are provided for speaker pairs B and You may connect only passive speak ers here See figure B NOTE If you d like to use a pair of powered speakers with your SRM 80A do not connect them to the B or C binding posts Set the AMP SPK B C switch to the AMP B C position Now you may use B or amplifier speaker line outputs for powered speakers FROM AMP OUTPUT These Left Right bind ing posts are provide
6. for and inputs and outputs HEADPHONE OUTPUT Specifications subject to change without notice FURMAN Furman Sound Inc 1997 South McDowell Blvd Petaluma California 94954 6919 USA Phone 707 763 1010 Fax 707 763 1310 Web www furmansound com 0003 082703 B E mail info furmansound com
7. mentioned above From there the SRM 80A sends the amplified signal to the passive speakers connected to the SRM 80A5s B and speaker binding posts See figure B MONITOR LINE OUTPUTS TO SPEAKER A POWER AMP IN Use these Left and Right 1 4 phone jacks to connect a pair of powered Speakers or a power amp passive speakers INPUTS OUTPUTS B AND D RCA jacks for the inputs and outputs of an unbal anced device such as a cassette CD player recorder or MiniDisk INPUTS OUTPUTS Left Right 1 4 TRS jacks for the inputs and outputs of a balanced pro level device SOURCE INPUTS These 1 4 TRS jacks are provided to connect your studio s main mixer soundcard or multi track recorder output to the SRM 80A LEVEL SELECT SWITCH Selects 4dBu or OdBu 0 indication THREE YEAR LIMITED WARRANTY Furman Sound Inc having its principal place of business at 1997 South McDowell Blvd Petaluma CA 94954 Manufacturer war rants its SRM 80A the Product as follows Manufacturer warrants to the original Pur chaser of the Product that the Product sold hereunder will be free from defects in material and workmanship for a period of three years from the date of purchase The Purchaser of the product is allowed fifteen days from the date of purchase to complete warranty regis tration by mail or on line at the Furman web site If the Product does not conform to this Limited Warranty during
8. to two prong AC plug adapter to plug your SRM 80A into your wall socket ON OFF Controls power to unit AMP B C amp SPK B C SWITCH When the B C Switch is in the AMP B C position The input selected by the Monitor Select switch is routed through the Monitor level control and sent to the or C monitor line outputs as selected with the A or pushbuttons B and C speaker outputs and output signals are separate for use as individual outputs with either powered speakers or passive speakers with a power amp See Figure A When the AMP SPK B C switch is in the SPK FIGURE A B C position Only the A and monitor line outputs are used and the B amplifier s speaker outputs are connected to the FROM AMP B OUTPUT binding posts The B and C speaker outputs are combined to the SPEAKER B output jacks This is to be used with a single power amp and 2 pairs of pas Sive speakers via the binding posts on rear panel Connect the SPEAKER B POWER AMP IN jacks to the input of your power amp Connect the output of your power amp to the FROM AMP OUTPUT Binding posts Connect 1 pair of passive speakers to the SPEAKER B binding posts and the other pair of passive speakers to the SPEAKER C binding posts To select the associated amplifier speaker press the A B or C speaker select buttons on the front panel See Figure B CONNECTDNS FOR 3 RRSOF ERED SPEAKERS OR 55
9. SRM 80A SIGNAL ROUTER MONITOR SPEAKERS AMPLIFIERS mmm mmm LN ctu o9 Routen meure ur ww FURMAN mmm mmm mm rrr Orn E is s z AA T e Mono T e P m pur m MONTOR dco c e En MONITOR rur eve e D FURMAN ROUTER MONITOR SERIES INTRODUCTION Congratulations on your purchase of a Furman Model SRM 80A Signal Router Monitor Your SRM 80A will make monitoring mixdown and dub bing simpler and faster thus helping you achieve professional results MO NITOR LINE OUTPUTA POW ERED SPEAKERS SYSTEM SPEAKER B OUT ABOUT THE SRM 80 The SRM 80A facilitates mixdown and dub bing between different media types without tying up additional console channels By con necting the control room outputs of your mixer inputs and of up to three power amplifiers or powered speakers speaker outputs of one stereo power amplifier and up to three pairs of speakers you will have a highly useful and sophisticated audio playback monitor system Multiple copies can be made simultaneously through use of the SRM 804ss four rotary PASSIVE SPEAKERS SETUP 1 ole e PASSIVE SPEAKERS POW ER AM PLIFIER OU TPUT HEADPHONES SET W TCH MO N TOR LINE OUTPUT B N MO N TOR LNE OUTPUTA TO
10. ahead and mount it now Set AMP SPK B C Switch to SPK B C Connect passive speaker cables to SPEAKER and SPEAKER B Binding Posts Connect Power Amp L R Output cables to FROM AMP OUTPUT Binding Posts f you have the optional SRM RU remote unit which we highly recommend connect its 5 Pin cable to Connect 1 4 TRS Balanced cables from your powered monitors to MONITOR LINE OUTPUT A L R Connect 1 4 TRS Balanced cables from MONITOR LINE OUTPUT L R to your power amp IN L R Connect RCA cables from L R In Out to devices and D according to your setup plan Connect 1 4 TRS Balanced cables from A L R I O to device A e Connect 1 4 TRS Balanced cables from SOURCE to source device e g mixing console stereo out or soundcard out e Setthe Ground Lift Switch to the position that reduces any hum or buzz e Setthe Odb 4db switch to the appropriate meter scale for the equipment being used Power up your equipment being sure to turn on your power amp last Set SPEAKER TRIM controls at about 75 After powering up the system adjust levels as needed To dial in your speaker levels use broadband pink noise and sound level meter The Alan Parsons Stephen Court align ment CD is very good and a decent meter can be had for about 40 at Radio Shack For using more than 1 pair of power speakers or multiple power amps see Syst
11. d to connect the Left and Right speaker cables from the output of your power amplifier when the AMP SPK B C switch is set to SPK B C The SRM 80A routes these amplified output signals to either Speaker pair or C depending on which Speaker select button you press on the front panel or the SRM RU remote unit Be careful to connect the output of your power amp to these binding posts only The relay that does the switching is rated at 84 240 volts See figure B REMOTE Accepts the cable for the optional SRM RU remote control unit You will need to use a 5 pin din type cable a midi cable will not work properly MONITOR LINE OUTPUTS TO SPEAKER C POWER AMP IN Use these Left and Right 1 4 phone jacks to connect a pair of powered speakers or passive speakers with a power amp when the AMP SPK B C switch is in the AMP B C position If the switch is set to SPK B C there will be no signal present See figure B MONITOR LINE OUTPUTS TO SPEAKER B POWER AMP IN When the AMP SPK B C Switch is in the AMP B C position use these Left and Right 1 4 phone jacks to connect a pair of powered speakers or a power amp passive speakers See figure A When the AMP SPK B C switch is set to SPK B C both B and C output signals will be present at these jacks The SRM 80A uses these jacks to send either B or C output signals to your power amp and the power amp s speaker output is returned to the SRM 80A via the FROM AMP OUTPUT binding posts
12. e can celable by Manufacturer at its sole discretion if the product is modified in any way without written authorization from Furman Sound This warranty also does not apply to Products upon which repairs have been affected or attempted by persons other than pursuant to written authorization by Manufacturer THIS WARRANTY IS EXCLUSIVE The sole and exclusive obligation of Manufacturer shall be to repair or replace the defective Product in the manner and for the period pro vided above Manufacturer shall not have any other obligation with respect to the Products or any part thereof whether based on contract tort strict liability or otherwise Under no cir cumstances whether based on this Limited Warranty or otherwise shall Manufacturer be liable for incidental special or consequen tial damages Manufacturer s employees or representatives ORAL OR OTHER WRIT TEN STATEMENTS DO NOT CONSTITUTE WARRANTIES shall not be relied upon by Purchaser and are not a part of the contract for sale or this limited warranty This Limited Warranty states the entire obligation of Manu facturer with respect to the Product If any part of this Limited Warranty is determined to be void or illegal the remainder shall remain in full force and effect SERVICE Before returning any equipment for repair please be sure that it is adequately packed and cushioned against damage in shipment and that it is insured We suggest that you save the origina
13. em Set up 2 on the next page source select knobs labeled OUTPUT SE LECT A through OUTPUT SELECT D Monitoring any of these sources can be done using the MONITOR SELECT knob high power headphone amp and uniquely thought out speaker selection system that consists of three balanced line level speaker outputs A B and C All of these outputs are compatible with powered monitors or passive speakers using a power amp The unique feature is that the B and C outputs can be combined into one output for use with 2 pairs of passive speakers and only one power amp See description of MO NITOR LNE OUTPUTA POW ERED SPEAKERS SYSTEM SETUP 2 TO A N FROM A OUT OU TPUT DAT RECORDER TO B N gis B QUI OU TPUT NPUT CASSETTE RECORDER MO NITOR LINE OUTPUTB POW ERED SPEAKERS MO NITOR LNE OU TPUTB MO NITOR LINE OUTPUTA B C AMP SPK Switch Each monitor speaker output has its own front panel trim control so equal listening levels can be maintained de spite differences in speaker efficiencies The SRM 80A has balanced inputs for the SOURCE and A inputs and balanced outputs for channel A output and A B and C moni tor line outputs INPUTS B through D utilize unbalanced RCA jacks The SRM 80A allows easy signal routing between these dissimilar jacks POW ER AM PLIFIER OU TPUT MO LNE OU TPUT C HEADPHONES SET WICH FROM C OUT
14. l packaging and use it to ship the product for servicing Please enclose a note giving your name address phone num ber and a description of the problem NOTE All equipment being returned for repair must have a Return Authorization R A Number To get an R A Number please call the Furman Service Department 707 763 1010 ext 120 or 121 between 8 a m and 5 p m U S Pa cific Time Please display your R A Number on the front of all packages SRM 80A SPECIFICATIONS OPERATING VOLTAGE Output Impedance 56 ohms 90 to 140 VAC E version 180 to 280 VAC THD N 0 001 with 750mW driv LINE IN OUT ing a 150 ohm load Input Impedances Source 24 Kohms POWER AMP A Input 24 Kohms Output Impedance 50 ohms B Input 40 Kohms C Input 40 Kohms D Input 40 Kohms SPEAKER OUTPUT SWITCHING 8A 240V Connectors Power amp and speaker connectors 5 way binding posts Connectors 1 4 TRS balanced Output Impedances A Output 50 ohms To Power Amp 50 ohms B C D Output lt 50 ohms METERS Accuracy 0 5 dB Sensitivity for 0 VU 0 dBu 775 Vrms or 4 dBu 1 23 Vrms MECHANICAL Dimensions 1 75 H x 19 W x 6 625 Max Through Input Level 21 dBu 8 7 Vrms D Weight 6 Ibs 2 7 kg NOTES Max Output Level 27dBu 17 34Vrms 0 dBu equals 775 Vrms MONITOR OUTPUTS Noise 95dBu 20Hz to 20kHz THD N 0 00396 maximum Crosstalk 83dB minimum 10kHz Connectors Balanced TRS input and output jacks sends RCA jacks
15. o devices connected to the SRM 80A MONO Changes the sound you hear through your speakers not in the Headphones from stereo to monaural DIM Attenuates the loudness of your speakers by about 15 dB without affecting the level of the signals going to any of the stereo devices or headphones connected to the SRM 80A This is a very useful feature if you are interrupted while monitoring mixing or dubbing MONITOR LEVEL This high resolution 40 x 2 LED bar graph meter allows precise pre fade level calibration for all stereo devices con nected to the SRM 80A METER MODE Located to the right of Mon itor Level Meter this switch can be set for the meter to display AVG VU or Peak Mode SPEAKERS A B and C Selects between amplifier speaker outputs A B or C TRIM LEVELS Adjusting these Set Once controls allows you to set all three pairs of am plifiers speakers to the same listening level HEADPHONES Plug your headphones in here The high power headphone amp pro vides excellent audio quality and can drive low impedance phones with ease It may be wise to disconnect your headphones to avoid damage when not in use HEADPHONE LEVEL Adjusts the listening level of the headphones REAR PANEL CONTROLS AND CONNECTIONS GROUND LIFT Allows separation of chassis ground from audio ground and can be used to reduce hum or buzz Remember never remove the third prong on the SRM 80A s AC plug Never use a three prong
16. the features controls and connectors You can set up your SRM 80A first and read about the controls afterwards or even better just resume recording and mixing INSTALLATION The SRM 80A is intended for mounting in standard 19 equipment racks To avoid mar ring the panel when tightening the screws use nylon washers under the screw heads SAFETY INFORMATION WARNING For domestic units only Do not remove the third prong on the SRM 80A s AC plug Never use a 3 prong to 2 prong AC plug adapter to plug your SRM 80A into your wall Socket The unit requires that a safety ground be present for proper operation Any attempt to operate it without a safety ground is considered improper operation and could invalidate the warranty FRONT PANEL CONTROLS OUTPUT SELECT A Use this input output for balanced pro level devices This four position knob determines which signal is routed to the device plugged into the 1 4 OUTPUTS on the SRM 80A s rear panel For example if the A OUTPUTS are used for a DAT machine the SW SETTINGS FOR MULTICASSETTE DUBBING CASSETTE RECORDER E TTE E RDER onerare D PLAYER OUTPUT SELECT SET OUTPUT SELECT SW ITCHES BANDC TO IBUID THBW LL ROUT THE CD PLAYER TO BOTH CASSETTE DECKS CONN EC TED TO THE BAND C OUTPUT S SOU RCE OUTPUT OUTPUT MONIIOR B SELEC 7 SELECT SELECT SET MONITOR SELECT SW
17. the warranty period as herein above specified Purchaser shall notify Manufacturer in writing of the claimed defects If the defects are of such type and nature as to be covered by this warranty Manufacturer shall authorize Purchaser to re turn the Product to the Furman factory or to an authorized Furman repair location Warranty claims should be accompanied by a copy of the original purchase invoice showing the pur chase date this is not necessary if the War ranty Registration was completed either via the mailed in warranty card or on line website registration Shipping charges to the Furman factory or to an authorized repair location must be prepaid by the Purchaser of the product Manufacturer shall at its own expense furnish a replacement Product or at Manufacturer s option repair the defective Product Return shipping charges back to Purchaser will be paid by Manufacturer THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IM PLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PAR TICULAR PURPOSE Manufacturer does not warrant against damages or defects arising out of improper or abnormal use of handling of the Product against defects or damages aris ing from improper installation against defects in products or components not manufactured by Manufacturer or against damages resulting from such non Manufacturer made products or components This warranty shall b
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