Summary of Contents for New Stage Accompany ES 40
- Page 1 ES 40 USER MANUAL stage accompany EFFICIENCY SERIES ES 40 High Efficiency Power Amplifier User Manual...
- Page 2 First printing, August 2000 Printed in The Netherlands This manual is intended to provide information about the Stage Accompany ES 40. 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”...
- Page 3 ES 40 USER MANUAL stage accompany Table of Contents Quick Introduction to the ES 40 Introduction Connections Operation Recommendations Technical Specifications Warranty Overview...
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Page 4: Table Of Contents
Table Of Contents Quick Introduction to the ES 40 ....... . . -
Page 5: Quick Introduction To The Es
ES 40s or Blue Boxes have to be used! • Switch the ES 40 on using the <POWER ON/OFF> switch. If you want to use the ES 40 in bridge mode, set the <MODE> switch at the back of the amplifier in the <BRDG MODE> position. •... -
Page 6: Introduction
30 units need to be connected to a single source, a separate signal driver must be used. The ES 40 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. - Page 7 One produces the output signal, the other one selects the power supply voltage. This way, the ES 40 uses the low level supply at low output power and the high level supply at high output power which reduces internal dissipation significantly.
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Page 8: Mains Power Connection
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 40 is to be used, it is advisable to connect each one separately to the ES 40... - Page 9 ES 40’s to it using longer leads. Although this method is not ideal, it does limit power loss as much as possible.
- Page 10 ES 40 USER MANUAL stage accompany G * 30 Maximum Length (ML) = The two input variables are: number of ES 40s supplied through the cable cable gauge in square millimeters For 110-120 V models the following formula applies: G * 7.5...
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Page 11: Audio Connections
Maximum cable length as a function of the cable gauge and the number of ES 40s supplied through the cable. Audio Connections The XLR connectors (audio in and audio link) of the ES 40 are wired as follows: Pin 1 = ground Pin 2 = normal phase (signal+ or “hot”) Pin 3 = inverted phase (signal- or “cold”) -
Page 12: Loudspeaker Connections
ES 40 USER MANUAL stage accompany Loudspeaker Connections Due to the DDC feature, the ES 40 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”... - Page 13 SPEAKON NL4FC Figure 3-4 ES 40 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.
- Page 14 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 40 (see figure 3-7 on this and figure 3-8 on the next page).
- Page 15 SPEAKON NL4FC Figure 3-8 Correct way of connecting several enclosures to the ES 40 The amplifier can cope with any load of 2 Ω or higher. This means that you may connect a maximum of two 4 Ω, four 8 Ω, or eight 16 Ω 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...
- Page 16 ES 40 USER MANUAL stage accompany An indication of the proportional cable power loss (percentage of the amplifier’s total output power) can be calculated using the following formula: Proportional Power Loss = 29.4 * G * R where the variables represent:...
- Page 17 3-10 ES 40 USER MANUAL stage accompany Cable Gauge (mm 8 Ω 10.0 16.0 Cable Length 10.2 12.4 22.1 14.5 12.4 Table 3-5 Proportional power loss as a function of loudspeaker cable gauge and cable length (%). Cable Gauge (mm 4 Ω...
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Page 18: Installing The Efn
To (re)place the EFN board(s), switch off the amplifier and remove the EFN lid on the front of the ES 40 and simply plug in the EFN modules. The upper one is intended for channel 1 or bridge mode operation, the lower one is intended for channel 2. It should be noted that the standard loudspeaker protection boards are not suitable for bridge mode operation! Make sure you switch the adjacent switch(es) to the <ON>... -
Page 19: Operation
The attenuators are used to mute the input signal or to adjust the sensitivity of the ES 40 to other amplifiers. The sensitivity in the 0 dB position is +6 dBu for 69 V output (1200 W into 4 Ω). The relative sensitivity to other Stage Accompany amplifiers is:... -
Page 20: Indicators
ACE: this LED indicates action of the clip limiter. This limiter protects your high fre- quency drivers against damage resulting from excessive clipping and it protects the ES 40 against thermal overload. When the ACE LEDs turn on it is advisable to reduce the input levels. - Page 21 In bridge mode all channel 2 indicators are switched off and a separate bridge mode indicator is lit. The ES 40 now operates as a single channel amplifier using only the channel 1 indicators, controls, inputs and outputs.
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Page 22: Recommendations For Optimum Use
• Be sure that the ES 40 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. -
Page 23: Technical Specifications
ES 40 USER MANUAL stage accompany 6 Technical Specifications Input Sensitivity: 1.72 Vrms (+7 dBu) (full continuous power into 4 Ω) Maximum Input Level: +22 dBu 22 kΩ each leg Input Impedance: Common Mode Rejection Ratio (CMRR): > 70 dB @ 20 Hz - 20 kHz >... - Page 24 ES 40 USER MANUAL stage accompany 1 x 2000 W into 16 Ω Continuous Bridged Power Delivered: 1 x 2940 W into 8 Ω 1 x 3620 W into 4 Ω 1 x 2480 W into 16 Ω Peak Bridged Power Delivered: 1 x 4000 W into 8 Ω...
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Page 25: Warranty
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. - Page 26 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.
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Page 27: Overview
ES 40 USER MANUAL stage accompany 8 Overview EXTENDED FUNCTION NETWORK CHANNEL 1 (dB) BRIDGE MODE PROTECT PROTECT LIMIT LIMIT CLIP CLIP SIGNAL SIGNAL -o o POWER POWER POWER ON / OFF CHANNEL 2 (dB) 6 7 8 9 10...