User Manual here - Stage Accompany Norge
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1. uN i ES 10 USER MANUAL stage accompany SPEAKON NL4FC Bg gt in g SNOILOANNOO Figure 3 8 Correct way of connecting several enclosures to the ES 10 The amplifier can cope with any load of 2 Q or higher This means that you may connect a maximum of two 4 Q four 8 Q or eight 16 Q loudspeakers per channel in parallel Linking the loudspeakers from one enclosure to another has two major disadvantages 1 The loudspeaker cable from the amplifier to the first enclosure conducts the current for all enclosures which means extra losses 2 The DDC only works for the first enclosure Splitting the leads at the amplifier output terminals solves these problems see figure 3 8 The DDC system corrects the performance loss due to connectors loudspeaker cables and so on However it cannot prevent loss of power So only use cables of minimal 2 x 1 5 mm or more for the loudspeaker leads and 2 x 0 75 mm for the DDC leads For bridge mode operation connect the speaker to the bridge mode output connector Its wiring is identical to the other outputs SPEAKON NL4FC Figure 3 9 ES 10 bridge mode to loudspeaker connections A NEW WORLD OF SOUND ay ES 10 USER MANUAL stage accompany An indication of the propor2. Warranty Overview A NEW WORLD OF SOUND EN ES 10 USER MANUAL stage accompany Table Of Contents gt w m 2 1 Quick Introduction to the ES 10 0 eee ees 1 1 o O z 2 Introduction lt a Ae ie ee Pe Se We He Re ee E 2 1 3 Connection of the ES 10 0 cc cee ee 3 1 n 3 1 Mains Power Connection ooo 3 1 P 3 2 Audio ConnectionS 0000 cee eee ee eee ene 3 4 3 3 Loudspeaker Connections 0 00 c eee eee 3 5 4 Op ration aorta aa 4 1 4 1 Input Attenuators rr AE 4 1 4 2 Bridge Mode Switch orar owe Sees edhe e eA RY E 4 1 4 3 Ground Lift Switch 00 0 0 00 ee eee ee 4 2 4 4 Nae lecio 34 dct E A a A ed AR St Boe att BI tk a a a 4 2 5 Recommendations for Optimum Use 000 eee eee eee 5 1 6 Technical Specifications 22 45 s265 ciar ere ee eae Cte ed 6 1 7 Warranty O meatal Gan ents 7 1 8 OvervieW a A ceeds dea a 8 1 A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 1 Quick Introduction to the ES 10 Thank you for choosing a Stage Accompany Power Amplifier Making this choice has guaran teed you many years of troublefree amplification If you have to start using the ES 10 straight away and do not have time to read the complete manual make sure that you at least read the following e Ensure that you have a reliable well earthed power source The required current for the ES 10 can be found
3. accompany 8 Overview pe Dc THERMAL THERMAL 12 cup cup SIGNAL P SIGNAL POWER POWER ON OFF STAGE ACCOMPANY O Made in The Netherlands UTPUT CHANNEL 2 OUTPUT BRIDGE MODE OUTPUT CHANNEL 1 CAUTION 2X x q x Pa x x 04 Gain control Channel 1 DC Thermal Clip Signal and Power LEDs Channel 1 DC Thermal Clip Signal and Power LEDs Channel 2 Gain control Channel 2 Power switch Ground lift switch Fuse AC mains cable Output Channel 2 Output Bridge mode Output Channel 1 Input Channel 2 Link output Channel 2 Input Channel 1 or bridge mode Link output Channel 2 Bridge mode switch E MAIAYAAO OSONA A NEW WORLD OF SOUND
4. channel high efficiency power amplifier and comprises the following components e Balanced input stages e Two high efficient amplifiers which deliver each 290 Wrms into 8 Q 430 Wrms into 4 Q and 530 Wrms into 2 Q or 340 W peak into 8 Q 540 W peak into 4 Q and 710 W peak into 2 Q e Advanced protection circuits The audio inputs and link outputs are connected internally without electronics This is done to prevent any loss of sound quality With an input impedance of 22 KQ it is possible to connect a maximum of 30 ES 10s to a 600 Q source like the SA 1310 graphic equaliser If more than 30 units need to be connected to a single source a separate signal driver must be used H NOILONGOULNI The ES 10 is protected against the connection of speaker impedances less than 2 Q or even short circuiting of the output In these cases the output current is limited but the amplifier keeps working The ES 10 has a number of features including e High efficiency class G operation e Variable speed DC fan e DDC Dynamic Damping Control e EFN circuit Extended Function Network e Soft start to reduce power on inrush current e Temperature DC HF and short circuit protection Class G operation The power supply of the ES 10 amplifier produces 2 different supply levels Each channel actually consists of two power amplifiers One produces the output signal the other one selects the power supply voltage This way the ES 10 uses the low leve
5. into 4 Q internally switchable 110 120 220 240 VAC 25 VA 700 VA 17 7 kg 39 lb 19 in rack mount 2 HU high 410 mm 16 1 in deep behind the mounting surface without connectors 88 x 482 x 415 mm without connectors and rack handles 3 5 x 19 0 x 16 3 in SNOILVOlsIDAdS A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 7 Warranty New Stage Accompany B V warrants to the initial purchaser of each new Stage Accompany product from the date of purchase by the original purchaser until the end of the warranty period that the product is free of defects in materials or workmanship The warranty period on all Stage Accompany products is five years from the date of the first consumer purchase with the exception of all electrical products three years from the date of the first consumer purchase e cone assemblies in the loudspeaker and diaphragms of the Ribbon Compact Drivers one year from the date of the first consumer purchase e movable parts such as castors locks handles hinges fans etc one year from the date of the first consumer purchase computers and associated peripherals six months from the date of the first consumer purchase To validate warranty the purchaser must always keep the original receipt of purchase to establish the date of purchase Appeal on warranty will be voided in case e of defects caused by influence from the outside accident misuse negle
6. 1 A NEW WORLD OF SOUND uN i ES 10 USER MANUAL stage accompany This will prevent unnecessary power loss in the mains cables If circumstances do not allow this itis advisable to connect the adapter block directly to the power supply using a short cable and then connect the individual ES 10s to it using longer leads Although this method is not ideal it does limit power loss as much as possible Ultimately it is possible to place the adapter block near the ES 10s but if a great deal of power is required from the unit the final current provided is far from optimum loss of current leads to unrecoverable loss of output power and therefore sound pressure Warning Always disconnect the ES 10 from the power supply before operating on the fuse holders Replace a blown fuse only with a new one of the same type and value Current Table Below the current consumption of the ES 10 is tabulated for two selectable mains voltages The power consumption shown applies to 1 8 of maximum output power pink noise in 2 Q which is representative for typical music program with occasional clipping If your soeaker system has an impedance of 4 or 8 Q you may multipy the currents by 0 5 or 0 25 5 SNOILOANNOO Mains Voltage V No ES 10s 110 120 220 240 Current Consumption A 1 6 3 2 12 6 3 18 9 4 24 23 5 30 25 6 36 28 7 42 21 8 48 24 9 54 27 Tabl
7. 3 4 The DDC terminals can also be left unconnected but then the performance will be less SPEAKON NL4FC Figure 3 4 ES 10 loudspeaker connection without DDC Warning Never short circuit the DDC terminals and never connect the signal output terminal to the DDC terminal or vice versa see figure 3 5 Since you are disabling the amplifier s feedback network signal gain will be almost infinite The smallest input signal will result in full power output with the possibility of square waves damaging your loudspeakers 5 SNOILOANNOO Therefore check your cables regularly We also advice you to use special Stage Accompany 4 wire loudspeaker cable 2 x 3 0 mm and 2 x 0 75 mm SPEAKON NL4FC Figure 3 5 Dangerous ES 10 output connection SPEAKON NL4FC Figure 3 6 Dangerous ES 10 output connection A NEW WORLD OF SOUND uN ES 10 USER MANUAL stage accompany When more speakers are going to be connected to one amplifier split the output and DDC leads as soon as possible behind the output terminals of the ES 10 see figure 3 7 on this and figure 3 8 on the next page SPEAKON NL4FC 5 SNOILOANNOO Figure 3 7 Try to avoid this way of connecting several enclosures to the ES 10 A NEW WORLD OF SOUND
8. 9 4 1 3 1 2 1 1 3 0 8 m 40 10 2 6 4 5 4 4 1 2 8 1 7 1 1 50 12 4 7 8 6 6 5 0 3 4 2 1 1 3 100 22 1 14 5 12 4 9 6 6 6 4 1 2 6 Table 3 5 Proportional power loss as a function of loudspeaker cable gauge and cable length Cable Gauge mm 40 1 5 2 5 3 0 4 0 6 0 10 0 16 0 20 10 2 6 4 5 4 4 1 2 8 1 7 1 1 Cable Length 30 14 5 9 3 7 8 6 0 4 1 2 5 1 6 m 40 18 5 12 0 10 2 7 8 5 4 3 3 2 1 50 22 1 14 5 12 4 9 6 6 6 4 1 2 6 100 36 2 25 4 22 1 17 5 12 4 7 8 5 0 Table 3 6 Proportional power loss as a function of loudspeaker cable gauge and cable length Cable Gauge mm 20 1 5 2 5 3 0 4 0 6 0 10 0 16 0 10 10 2 6 4 5 4 4 1 2 8 dez 1 1 20 18 5 12 0 10 2 7 8 5 4 3 3 2 1 Cable Length 30 25 4 16 4 14 5 11 3 7 8 4 9 3 1 m 40 31 2 21 4 18 5 14 5 10 2 6 4 4 1 50 36 2 25 4 22 1 17 5 12 4 7 8 5 0 100 53 1 40 5 36 2 29 8 22 1 14 5 9 6 Table 3 7 Proportional power loss as a function of loudspeaker cable gauge and cable length 5 SNOILOANNOO A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 4 Operation After connection to the correct mains voltage the ES 10 can be switched on using the lt POWER ON OFF gt switch The various functions of the system will now be described one after one 4 1 Input Attenuators The input attenuators consist of two 21 detent conductive plastic potentiometers 11 of the detents are calibrated in dB
9. Ds light during normal use check the following things Disconnect the speaker system When the LED s switch es off the DDC is probably not properly connected When this does not solve the problem the amplifier is damaged and should be re paired by an authorised Stage Accompany service centre e Clip this LED will light when the output level of the amplifier has reached its limit The indication is correct for every connected impedance When the clip LEDs flash fre quently distortion is to be expected A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 5 Recommendations for Optimum Use e Ensure that the quality of the mains supply is good enough and that it can supply the required peak currents In addition good earthing is necessary to prevent noise hum and safety problems If hum does occur it can almost always be solved by using the ground lift switch on the back of the amplifier e Be sure that the ES 10 is built into a space with sufficient circulation of fresh air A tem perature that is constantly too high leads to switching on and off of the thermal protec tion and considerably reducing the lifetime of the amplifier e When built into a flightcase ensure yourself that there are sufficient possibilities for the heated air to leave the flightcase When more ES 10s are built into one flightcase in stall an extra fan in the case Air flow of the ES 10 goes from front to back e Do not make con
10. ES 10 USER MANUAL stage accompany EFFICIENCY SERIES ES 10 High Efficiency Power Amplifier User Manual A NEW WORLD OF SOUND ar ES 10 USER MANUAL stage accompany Published by New Stage Accompany B V Training amp Documentation Anodeweg 4 1627 LJ Hoorn The Netherlands Copyright 1998 by New Stage Accompany B V All rights reserved No part of this manual may be reproduced or transmitted in any form or by any means electronically or mechanical without written permission from New Stage Accom pany B V except for the inclusion of brief quotations in a review First printing September 1998 Printed in The Netherlands This manual is intended to provide information about the Stage Accompany ES 10 Every effort has been made to make this manual complete and as accurate as possible However no warranty of suitability purpose or fitness is implied The information is provided on an as is basis New Stage Accompany B V shall have neither liability nor responsibility to any person or entity with respect to any loss or damages in connection with or arising from the information contained in this manual New Stage Accompany B V reserves the right to alter specifications without prior notice A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany Table of Contents Quick Introduction to the ES 10 Introduction Connections Operation Recommendations Technical Specifications
11. The attenuators are used to mute the input signal or to adjust the sensitivity of the ES 10 to other amplifiers The sensitivity in the 0 dB position is 6 dBu for 35 V output 300 W into 4 Q The relative sensitivity to other Stage Accompany amplifiers is ES 20 3 dB ES 40 6 dB SA 800 0 dB SA 1600 3 dB PPA 1200 3dB y NOLLVy43dO Attenuation in the complete counter clockwise position is gt 90 dB Warning For bridge mode operation always set the input attenuators in the same position If the attenuators are not in the same position either e the amplifier can not deliver its maximum power e the most attenuated channel can run hot at maximum power the most attenuated channel will limit its output current first result ing in distortion 4 2 Bridge Mode Switch The lt BRIDGE MODE gt switch toggles the amplifier between stereo and bridge mode In stereo mode the channel 1 input feeds the channel 1 amplifier and the channel 2 input feeds the channel 2 amplifier In bridge mode the channel 1 input connector feeds both amplifiers The channel 2 input is not used and is decoupled from the amplifier To prevent difficult output connections the ES 10 is equipped with a unique separate bridge A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany mode output 4 3 Ground Lift Switch If hum is audible after switching on the ES 10 the cause may be incorrect earthing of your sound syste
12. atio CMRR Frequency Range Gain Channel Separation Total Harmonic Distortion THD Intermodulation Distortion IMD Signal to Noise Ratio Slew Rate Damping with DDC Output power 1 THD Continuous Power Delivered Peak Power Delivered ES 10 USER MANUAL 1 85 Vrms 7 5 dBu full continuous power into 4 Q 22 dBu 22 kQ each leg gt 70 dB O 20 Hz 20 kHz 10 Hz 20 kHz 0 3 dB 50 W into 8 Q 10 Hz 120kHz 3 dB 50 W into 8 Q 27 dB 22 4x 75 dB O 1 kHz 50 W into 8 Q 60 dB 20 kHz 50 W into 8 2 lt 0 3 20 Hz 20 kHz more than 2 Q load at all powers 1 dB below clipping lt 0 01 O 1 kHz 50 W into 8 Q lt 0 1 20 kHz 50 W into 8 Q lt 0 03 200 Hz 10 kHz lt 0 1 10 kHz 20 kHz F1 70 Hz 4 1 50 W into 8 Q SNOILLVIIIO3IdAS gt 110 dB A weighted gt 40 V us 8Q 10 000 1 kHz 10 V across 8 Q 2 x 290 W RMS into 8 2 2 x 430 W RMS into 4 Q 2 x 530 W RMS into 2 Q 2 x 340 W into 8 Q 2 x 540 W into 4 Q 2 x 710 W into 2 Q A NEW WORLD OF SOUND ar stage accompany ES 10 USER MANUAL Continuous Bridged Power Delivered Peak Bridged Power Delivered Mains Supply Voltage Power consumption typical Idle 1 8 Power pink noise 2 Q Weight Housing Dimensions h x w x d 1 x 580 W RMS into 16 Q 1 x 860 W RMS into 8 Q 1 x 1060 W RMS into 4 Q 1 x 680 W into 16 Q 1 x 1080 W into 8 Q 1 x 1420 W
13. cable length as a function of the cable gauge and the number of ES 10s supplied through the cable A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 220 240 V Cable Gauge mm 1 5 2 5 4 0 6 0 10 0 16 0 1 180 300 480 720 1200 1920 2 90 150 240 360 600 960 3 60 100 160 240 400 640 No 4 23 75 120 180 300 480 of 5 36 60 96 144 240 384 ESOS 6 30 56 80 120 200 320 9 7 26 43 69 103 171 274 8 23 38 60 90 150 240 O 9 20 33 53 80 133 213 9 10 18 30 48 72 120 192 Table 3 3 Maximum cable length as a function of the cable gauge and the number of ES 10s supplied through the cable 3 2 Audio Connections The XLR connectors audio in and audio link of the ES 10 are wired as follows Pin1 ground oN Tar eB 0 0 Pin 2 normal phase signal or hot E OY Ig Pin3 inverted phase signal or cold NU Always use high quality XLR connectors and shielded signal cables Using the signal link connectors up to 30 ES 10s can be linked without a problem If more than 30 ES 10s need to be interconnected a separate signal driver should be used The input stages are electronically balanced To make optimum use of the balanced input stages even in unbalanced situations use balanced signal cables and connect pin 3 to pin 1 at the output of the preceding apparatus If this is not possible connect pin 3 to pin 1 at the i
14. ct or influence of water the serial number on the product has been defaced altered or removed E ALNVYYVM of damage due to shipment of damage resulting from neglecting instructions listed in the user manual of damage caused by incorrect abnormal handling or abuse during delivery e the unit has been repaired or shows signs of repair by someone not authorised by New Stage Accompany B V e the original receipt of purchase cannot be presented whenever warranty service is re quired the cause of damage is unknown A NEW WORLD OF SOUND uN ES 10 USER MANUAL stage accompany Shipment of the product to an authorised Stage Accompany service centre is at the risk and responsibility of the customer New Stage Accompany B V will pay for all labour and material expenses for all repairs covered by the warranty New Stage Accompany B V will not pay for the costs of shipment to the service centre or factory However New Stage Accompany B V will pay for the costs of return shipment to the customer if repairs are covered by warranty Caution Warranty work can only be performed at authorised Stage Accompany service centres or at the Stage Accompany factory Every repair or attempted repair by a non authorised party will void the warranty New Stage Accompany B V reserves the right to alter specifications without prior notice E ALNVYYVM A NEW WORLD OF SOUND ES 10 USER MANUAL stage
15. e 3 1 Current consumption as a function of the mains voltage at 1 8 of maximum output power with pink noise in 2 Q The mains voltage may NOT deviate more than 20 to 10 of the nominal value The proportional mains voltage cable loss may not exceed 10 The following formula may be used to calculate the maximum mains cable length in meters for 220 230 V models A NEW WORLD OF SOUND uN i ES 10 USER MANUAL stage accompany G 120 N Maximum Length ML The two input variables are N number of ES 10s supplied through the cable G cable gauge in square millimeters For 110 120 V models the following formula applies G 30 N Maximum Length ML y SNOILOANNOO This means that the cable length is proportional to the cable gauge while it is inversely proportional to the number of ES 10s supplied through the cable On this and the next page per mains voltage a table is shown with the maximum mains cable length in meters given the cable gauge in square millimeters and the number of ES 10s supplied through the cable Cable Gauge mm 115 V 1 5 2 5 4 0 6 0 10 0 16 0 1 46 75 120 180 300 480 2 23 38 60 90 150 240 3 15 25 40 60 100 160 4 11 19 30 45 75 120 No of 5 9 15 24 36 60 96 Eao 6 8 13 20 30 50 80 7 6 11 17 26 43 69 8 6 9 15 23 38 60 9 5 8 13 20 33 53 10 5 8 12 18 30 48 Table 3 2 Maximum
16. in the table in paragraph 3 1 e Connect the ES 10 to your signal sources via the lt INPUT gt connectors Connect this amplifier to other units via the lt LINK gt outputs using short signal leads Connect your single signal source to the channel 1 input if you use the ES 10 in bridge mode NOILONGOULNI AD9INO e Never make connections to the amplifier or to any preceding equipment with the ampli fier switched on Important When combining ES 10s with a Stage Accompany Blue Box system you must take into account thatthe low frequency loudspeaker of the Blue Box has an excursion opposite to that of a normal speaker amplifier combination The Blue Boxes in combination with the ES 10s have to be switched to inverted phase or cross cables for ES 10s or Blue Boxes have to be used e Switch the ES 10 on using the lt POWER ON OFF gt switch If you want to use the ES 10 in bridge mode set the lt MODE gt switch at the back of the amplifier in the lt BRIDGE MODE gt position Connect the speaker system to the lt BRIDGE MODE OUTPUT gt e Select the desired input sensitivity by means of the lt INPUT ATTENUATORS gt In bridge mode always set the input attenuators in the same position e Any earth hum that may be present may be solved with the lt GROUND LIFT gt switch The ES 10 is now ready for use A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 2 Introduction The Stage Accompany ES 10 is a dual
17. l supply at low output power and the high level supply at high output power which reduces internal dissipation significantly A NEW WORLD OF SOUND ir ES 10 USER MANUAL stage accompany DC Fan The built in DC fan has a continuous variable speed Its control circuit monitors the temperature of the output devices and the temperature of the power supply The speed of the fan is calculated out of this information This system ensures that the fan always runs at optimum speed and thus produces less noise DDC DDC Dynamic Damping Control is a special way of measuring the cone movement of a loudspeaker The voltage induced in the voice coil is sensed and fed back to the amplifier s feedback circuit Hence a virtually infinite damping is achieved which results in an exceptionally tight sound reproduction EFN Through the internal EFN circuit with plug in modules extra functions can be added to the amplifier like cross over high low or band pass filtering equalization and loudspeaker protection Special protection boards are available for all Stage Accompany loudspeaker systems The installation of an EFN module needs to be done by an authorised Stage Accompany service centre Soft Start The soft start circuit is active when the ES 10 is turned on The mains inrush current which normally is in excess of 50 A is limited to a safe value However take care not to switch on too many ES 10 amplifiers at the same time
18. m The lt GROUND LIFT gt switch can be used to lift the connection between the system earth and the mains earth This action alone is often sufficient to eliminate the undesired noise caused by a bad grounding system or ground loops 4 4 Indicators Each channel of the amplifier is equipped with the following indicators e Power these LEDs will light when the amplifier is switched on e Signal present these LEDs will light when an input level of more than 40 dB under the level that would cause maximum power 6 dBu is detected The signal present LEDs work independently of the settings of the input attenuators e Thermal when the output devices of a channel have reached a temperature of 90 C the input of that channel is muted and the thermal LED will light Both channels work independently so thermal overload of one channel does not affect the other channel In case of a continued overload of both channels it is possible that the power supply runs hot In that case both inputs are muted simultaneously y NOILLVy43dO e DC the DC LEDs indicate that the output of the amplifier is decoupled from the output connectors This occurs when the amplifier is switched on and the electronic circuits need time to stabilise This takes approximately one second Besides during normal operation the amplifier output is decoupled from the output connectors if a dangerous DC voltage is present at the amplifier output When the DC LE
19. nections to the amplifier or to any preceding equipment with the am plifier swithced on e A faulty fuse must ALWAYS be replaced by a new one of the same type and value A different fuse can cause permanent damage to the amplifier All internal fuses are of an automatic type so they do not need to be replaced Always disconnect the ES 10 from the power supply before operating on the fuse holder When a replaced fuse im mediately blows again the amplifier is defect and should be repaired by an authorised Stage Accompany service centre Do not try to replace the fuse again because you may risk further damage to the amplifier g SNOILVGNAWWOOAY e Repairs to the ES 10 should only be carried out by an authorised Stage Accompany service centre Never dismantle the ES 10 yourself you may risk damaging vital com ponents moreover the guarantee becomes irrevocably invalidated e Read this manual carefully Try out the various functions described in this manual In this way you will soon become familiar with the many possibilities that the ES 10 of fers It is just as important that your colleagues who will use the ES 10 also read the manual With a good knowledge of the working of the ES 10 it is possible to fully util ize its superior sound quality in every situation GOOD LUCK A NEW WORLD OF SOUND ar stage accompany 6 Technical Specifications Input Maximum Input Level Input Impedance Common Mode Rejection R
20. nput of the ES 10 A NEW WORLD OF SOUND ay ES 10 USER MANUAL stage accompany 3 3 Loudspeaker Connections Due to the DDC feature the ES 10 has 4 output terminals per channel instead of 2 The speakon connector is wired as follows Pin 1 hot or Signal Pin 1 cold or Signal Pin 2 DDC hot or DDC NEUTRIK De Pin 2 DDC cold or DDC For optimum performance the amplifier to loudspeaker connections should be made as shown in figure 3 2 The signal and DDC Dynamic Damping Control terminals are linked together at the SPEAKON NL4FC y SNOILOANNOO Figure 3 2 ES 10 4 terminal loudspeaker connection loudspeaker terminal The signal and DDC terminals are linked at the loudspeaker terminal A maximum damping is obtained with these connections If your speaker system is not prepared for a four terminal connection link the DDC and the signal leads at the input of the enclosure see figure 3 3 SPEAKON NL4FC oe a i Figure 3 3 ES 10 2 terminal loudspeaker connection A NEW WORLD OF SOUND ay i ES 10 USER MANUAL stage accompany If you don t want to use the DDC feature at all the DDC and the signal leads should be linked at the amplifier output in the speakon connector see figure
21. or you risk that the main fuses of your distribution may trip Temperature DC HF and Short Circuit Protection The amplifier and the loudspeakers are protected against all possible damages 2 2 i NOILONGOULNI A NEW WORLD OF SOUND ES 10 USER MANUAL stage accompany 3 Connections Only three connections need to be made mains power audio input signals and loudspeaker leads Do not make any connections to the amplifier or to any preceding equipment with the amplifier switched on 3 1 Mains Power Connection The ES 10 is internally selectable for 110 120 220 240V 50 60Hz mains voltage The exact voltages are stated at the rear of the amplifier Switching between mains voltages has to be done by an authorised Stage Accompany service centre Connecting to the wrong voltage is dangerous and may damage the amplifier Always ensure that you use a correctly grounded power supply If more than one ES 10 is to be used it is advisable to connect each one a SNOILOANNOO ES10 Mains Supply ES10 ES10 Pat ES10 OK Mains Supply ES10 ES10 Figure 3 1 ES 10 connections to the mains supply separately to the nearest mains supply in stead of connecting several ES 10s using an adapter block see figure 3
22. tional cable power loss percentage of the amplifier s total output power can be calculated using the following formula 100 29 4 G R L Proportional Power Loss 1 where the variables represent L cable length in meters G cable gauge in square millimeters R DC resistance of the loudspeaker s in ohms This formula is based on the DC resistance in stead of the complex impedance of the loudspeaker s However the approximation can be used to get a good impression of the loudspeaker cable power loss Per loudspeaker impedance a table is shown in tables 3 9 to 3 12 with the proportional power loss given the loudspeaker cable gauge in square millimeters and the cable length in meters SNOILOANNOO Cable Gauge mm 16 Q 1 5 2 5 3 0 4 0 6 0 10 0 16 0 20 2 8 1 7 1 4 1 1 0 7 0 4 0 3 Cable Length 30 4 1 2 5 2 1 1 6 1 1 0 6 0 4 m 40 5 4 3 3 2 8 2 1 1 4 0 8 0 5 50 6 6 4 1 3 4 2 6 1 7 1 1 0 7 100 12 4 7 8 6 6 5 0 3 4 2 1 1 3 Table 3 4 Proportional power loss as a function of loudspeaker cable gauge and cable length A NEW WORLD OF SOUND an stage accompany ES 10 USER MANUAL Cable Gauge mm 8 Q 1 5 2 5 3 0 4 0 6 0 10 0 16 0 20 5 4 3 3 2 8 2 1 1 4 0 8 0 5 Cable Length 30 7 8 4
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