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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

separately to the nearest mains supply in stead of connecting several ES 10s using an adapter
block (see figure 3-1).

Mains
Supply

Mains
Supply

ES10

ES10

ES10

ES10

ES10

ES10

OK

Figure 3-1

ES 10 connections to the mains supply.

CONNECT

IONS

stage accompany

R

ES 10 USER MANUAL

3-1

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Summary of Contents for ES 10 SERIES

Page 1: ...EFFICIENCY SERIES ES 10 High Efficiency Power Amplifier User Manual stage accompany R ES 10 USER MANUAL ...

Page 2: ...ed 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 res...

Page 3: ...stage accompany R ES 10 USER MANUAL Table of Contents Quick Introduction to the ES 10 Introduction Connections Operation Recommendations Technical Specifications Warranty Overview ...

Page 4: ...n 3 1 3 2 Audio Connections 3 4 3 3 Loudspeaker Connections 3 5 4 Operation 4 1 4 1 Input Attenuators 4 1 4 2 Bridge Mode Switch 4 1 4 3 Ground Lift Switch 4 2 4 4 Indicators 4 2 5 Recommendations for Optimum Use 5 1 6 Technical Specifications 6 1 7 Warranty 7 1 8 Overview 8 1 TABLE OF CONTENTS stage accompany R ES 10 USER MANUAL ...

Page 5: ...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 that the 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 Boxe...

Page 6: ...ust be used The ES 10 is protected against the connection of speaker impedances less than 2 Ω 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 High efficiency class G operation Variable speed DC fan DDC Dynamic Damping Control EFN circuit Extended Function Network Soft start to reduce po...

Page 7: ...nternal 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 activ...

Page 8: ...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 separately to the nearest mains supply in stead of connecting several ES 10s using an adapter bl...

Page 9: ...f 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 Ω which is representative for typical music program with occasional clipping If your speaker system has an impedance of 4 or 8 Ω you may multipy the currents by 0 5 or 0 25 The mains volt...

Page 10: ... cable length in meters given the cable gauge in square millimeters and the number of ES 10s supplied through the cable Maximum Length ML G 30 N Maximum Length ML G 120 N 115 V Cable Gauge mm2 1 5 2 5 4 0 6 0 10 0 16 0 No of ES 10s 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 5 9 15 24 36 60 96 6 8 13 20 30 50 80 7 6 11 17 26 43 69 8 6 9 15 23 38 60 9 5 ...

Page 11: ...d 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 input of the ES 10 NEUTRIK 1 2 3 220 240 V Cable Gauge mm2 1 5 2 5 4 0 6 0 10 0 16 0 No of ES 10s 1 180 300 480 720 1200 1920 2 90 150 240 360 600 960 3 60 100 160 240 400 640 4 23 75 120 180 300 480 5 36 6...

Page 12: ...amic Damping Control terminals are linked together at the 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 NEUTRIK 1 2 1 2 2 2 1 1 SPEAKON NL4FC Figure 3 2 ES...

Page 13: ...sabling 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 Therefore check your cables regularly We also advice you to use special Stage Accompany 4 wire loudspeaker cable 2 x 3 0 mm2 and 2 x 0 75 mm2 2 2 1 1 SPEAKON NL4FC Figure 3 4 ES 10 loudspeaker connect...

Page 14: ...nd 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 2 2 1 1 SPEAKON NL4FC Figure 3 7 Try to avoid this way of connecting several enclosures to the ES 10 CONNECTIONS stage accompany R ES 10 USER MANUAL 3 7 ...

Page 15: ...mplifier 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 mm2 or more for the loudspeaker leads and 2 x 0 75 mm2 for the DDC leads For bridge mode operation connect the speaker to the bridge mode output connector Its wiring i...

Page 16: ...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 Proportional Power Loss 100 29 4 G R L 1 16 Ω Cable Gauge mm2 1 5 2 5 3 0 4 0 6 0 10 0 16 0 Cable Length m 10 1 4 0 8 0 7 0 5 0 4 0 2 0 1 20 2 8 1 7 1 4 1 1 0 7 0 4 0 3 30 4 1 2 5 2 1 1 ...

Page 17: ... 1 2 8 1 7 1 1 30 14 5 9 3 7 8 6 0 4 1 2 5 1 6 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 2 Ω Cable Gauge mm2 1 5 2 5 3 0 4 0 6 0 10 0 16 0 Cable Length m 10 10 2 6 4 5 4 4 1 2 8 1 7 1 1 20 18 5 12 0 10 2 7 8 5 4 3 3 2 1 30 25 4 16 4 14 5 11 3 7 ...

Page 18: ...ete counter clockwise position is 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 the amplifier can not deliver its maximum power 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 ...

Page 19: ...f 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 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 ap...

Page 20: ... 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 cent...

Page 21: ...tortion THD 0 3 20 Hz 20 kHz more than 2 Ω load at all powers 1 dB below clipping 0 01 1 kHz 50 W into 8 Ω 0 1 20 kHz 50 W into 8 Ω Intermodulation Distortion IMD 0 03 200 Hz 10 kHz 0 1 10 kHz 20 kHz F1 70 Hz 4 1 50 W into 8 Ω Signal to Noise Ratio 110 dB A weighted Slew Rate 40 V µs 8 Ω Damping with DDC 10 000 1 kHz 10 V across 8 Ω Output power 1 THD Continuous Power Delivered 2 x 290 W RMS into ...

Page 22: ...s Supply Voltage internally switchable 110 120 220 240 VAC Power consumption typical Idle 1 8 Power pink noise 2 Ω 25 VA 700 VA Weight 17 7 kg 39 lb Housing 19 in rack mount 2 HU high 410 mm 16 1 in deep behind the mounting surface without connectors Dimensions h x w x d 88 x 482 x 415 mm without connectors and rack handles 3 5 x 19 0 x 16 3 in SPECIFICATIONS stage accompany R ES 10 USER MANUAL 6 ...

Page 23: ...he 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 of defects caused by influence from the outside accident misuse neglect or influence of water the serial number on the ...

Page 24: ... 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 r...

Page 25: ...8 Overview OVERVIEW stage accompany R ES 10 USER MANUAL 8 1 ...

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