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d&b audiotechnik E-PAC, Руководство по оборудованию

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2. Introduction

This manual describes the facilities and functions of the hardware of the
d&b E-PAC Power amplifier controller.

2.1.  Intended use

The E-PAC amplifier is a one channel power amplifier and controller
unit. It is designed for use with the d&b fullrange loudspeakers (passive
systems) and subwoofer systems.

A linear mode is available allowing the E-PAC to be used as a linear
power amplifier.

2.2.  Scope of supply

Initial inspection

Before starting up please verify the shipment for completeness:

Qty.

d&b Code

Description

1

Z2510

E-PAC Amplifier

1

K0025.030

Power cord

1

D2014.E.01

E-PAC Amplifier, Hardware manual

1

D2015.E.01

E-PAC Amplifier, Software manual

For any sign of obvious damage to the unit during
shipment under no circumstance connect and operate
the unit!

E-PAC Amplifier, Hardware manual

(1.2 EN)     

Page 5 of 24

Содержание E-PAC

Страница 1: ...TECHNICAL SERVICES FOR EVENTS THEATRE MUSIC EXHIBITION FILM TV 01483 757211 HIRE STORMLTD CO UK WWW STORMLTD CO UK ...

Страница 2: ...E PAC Amplifier Hardware manual 1 2 EN ...

Страница 3: ...e so that it is available for future reference In the case of reselling this product handout this manual to the new customer If you supply d b products please draw the attention of your customers to this manual Enclose the relevant manuals with the systems If you require additional manuals for this purpose you can order them from d b d b audiotechnik GmbH Eugen Adolff Strasse 134 D 71522 Backnang ...

Страница 4: ...11 4 2 2 ISP LED Input Signal Present green 5 11 4 2 3 GR LED Gain Reduction yellow 6 11 4 2 4 OVL LED Overload red 7 11 5 Connections 12 5 1 Mains Connector 8 12 5 2 Fuse protection 9 12 5 3 Signal inputs and link outputs 13 5 3 1 INPUT 12 and LINK 13 13 5 3 2 MIX IN 14 13 5 4 Loudspeaker output connectors 15 13 5 5 REMOTE interface 14 14 5 5 1 REMOTE 10 14 5 6 SERVICE 11 14 6 Installation and op...

Страница 5: ...bles connected to the unit in a way that they cannot be crushed by vehicles or other equipment Do not not put any kind of objects filled with liquids e g Drinks onto the unit Avoid ambient conditions with excessive humidity or steam excessive dust or other small particles oil steam or splashes excessive heat or direct sunlight Do not block vents at the front or air intake at the rear and provide s...

Страница 6: ...s A linear mode is available allowing the E PAC to be used as a linear power amplifier 2 2 Scope of supply Initial inspection Before starting up please verify the shipment for completeness Qty d b Code Description 1 Z2510 E PAC Amplifier 1 K0025 030 Power cord 1 D2014 E 01 E PAC Amplifier Hardware manual 1 D2015 E 01 E PAC Amplifier Software manual For any sign of obvious damage to the unit during...

Страница 7: ... ohms If low impedance LO IMP mode is selected the E PAC can drive up to two 8 ohm or four 16 ohm loudspeakers at reduced output 6 dB This is useful for situations such as front fill or under balcony use where multiple loudspeakers are needed but maximum output is not required All the functions of the E PAC including programmable internal delay settings can be remotely interrogated and altered via...

Страница 8: ...g the short current peaks drawn by a complex load like a loudspeaker The mains power connection is protected by a fuse A mains inrush current limiter provides a soft start and enables several E PACs to be powered up at the same time without over loading the mains power supply The maximum current draw during the power up phase is dependant on the mains voltage however nominal values are 2 A peak at...

Страница 9: ...ns high linearity throughout it s operational range even into adverse loads With fast response to and recovery from overload conditions stability and accurate performance is guaranteed A two stage power supply keeps the losses through heat emission low To maintain sound quality a limiter circuit prevents the amplifier from continuously reaching its maximum output voltage known as clipping The E PA...

Страница 10: ...AC either in mute or standby mode The switch incorporates a green LED indicator which indicates three different states ON MUTE and STANDBY LED on ON unmuted the E PAC is powered on and ready for use A brief press of the MUTE POWER switch will mute the E PAC a longer press places the E PAC in standby mode LED regular flashing 1 1 duty cycle MUTE the E PAC is muted In the mute state the input signal...

Страница 11: ...e the E PAC from the mains supply The E PAC circuitry can be electrically isolated from the mains supply by switching the rear panel mains power switch to its off position The setting of the MUTE POWER switch is stored in the E PAC when the mains power is turned off or disconnected After reconnecting the E PAC it will revert to the same status as before disconnection 4 1 3 LEVEL PUSH MENU Digital ...

Страница 12: ...state is not critical but shows that the system has reached its limits 4 2 4 OVL LED Overload red 7 Illuminates depending on the input signal While the green ISP LED is lit Overload either the input signal level is too high or the E PAC is trying to deliver too high an output current If in doubt of the reason reduce the input gain at the E PAC level control If the error message disappears the outp...

Страница 13: ...lied 5 2 Fuse protection 9 A replaceable 20 mm fuse located above the 3 pin IEC socket is integrated in the socket 5 A Time Lag T This is connected in series to the power supply and fails if the current drain is exceeded There is a spare fuse in the fuse holder WARNING If the fuse has failed disconnect the E PAC from the mains supply before replacement Only use a fuse of the correct type and nomin...

Страница 14: ...onents of a stereo source are fed to the main INPUT and MIX IN connections then a mono sum signal is derived from the speaker output Please note that the resultant output is 3 dB higher The output on the INPUT LINK connector is derived from the signal fed to the INPUT connector An additional signal fed to the MIX IN connector will not appear at the INPUT LINK output 5 4 Loudspeaker output connecto...

Страница 15: ...are hard wired to common ground protective earth Pin Signal Remark 1 2 3 4 CAN_H CAN high bus signal active high 5 CAN_L CAN low bus signal active low 6 7 RIB Data 8 RIB Data Enclosure GND CAN Ground RJ45 pin assignment on d b devices The CAN Ground is routed via the cable shielding Within the CAN Bus network shielded cables and shielded RJ 45 connectors must be used while the cable shielding must...

Страница 16: ... the rack top bottom panels or other equipment above or below see figure on the left This is not necessary between adjacent E PACs When installing E PACs always allow sufficient free air flow around the enclosure and never block or cover the rear panel air intake vent or the front panel air outlet vent If E PACs are to be installed in sealed equipment racks then additional fan modules will be need...

Страница 17: ... kit Z2502 includes the following parts 8 x mounting rails 1 2 x front rack mounting brackets 2 2 x rear mounted rack ears 3 2 x connector brackets 4 16 x Allen screws S 1 x Allen key K The solo rack mount kit Z2503 allows one E PAC to be mounted in a 9 5 equipment rack or flightcase The solo rack mount kit Z2503 includes the following parts 4 x mounting rails 1 2 x front rack mounting brackets 2 ...

Страница 18: ...E PAC front view E PAC rear view 483 19 00 465 18 30 76 3 00 OVL GR ISP E PAC LEVEL PUSH MENU MUTE POWER OVL GR ISP E PAC LEVEL PUSH MENU MUTE POWER 190 7 48 336 13 23 88 3 46 OVL GR ISP E PAC LEVEL PUSH MENU MUTE POWER 88 3 46 338 13 31 357 14 06 240 9 45 222 8 74 76 3 00 OVL GR ISP E PAC LEVEL PUSH MENU MUTE POWER E PAC enclosure dimensions in mm inch E PAC Amplifier Hardware manual 1 2 EN Page ...

Страница 19: ...on the load impedance and the signal levels and characteristics e g speech music In practice the theoretical peak power consumption of a system will only be sustained for a short period of time Basing mains current and air conditioning plant requirements on the peak power consumption of the sound system would result in a generously over specified installation The key factor in power consumption ca...

Страница 20: ...n loss power W average output power W Power consumption and loss of E PAC as a factor of output power WRMS into 8 ohms with pink noise signal Average power consumption and loss of E PAC as a factor of output power WRMS into 16 ohms with pink noise signal E PAC Amplifier Hardware manual 1 2 EN Page 19 of 24 ...

Страница 21: ...generator alternative sine wave 10 Hz 20 kHz with 1 Hz detents Pink Noise 57 5 dB 6 dB with 0 5 dB detents Buzzer Acoustical signal for Error Messages Impedance Monitoring according to EN 60849 IEC 60849 Sound Systems for Emergency Purposes Input monitoring Detecting external Pilot Signal Load monitoring Impedance monitoring program and or Pilot Signal at 10 Hz and 20 kHz System check Manual imped...

Страница 22: ...d MIX IN Digital Signal Processing Sampling rate 48 kHz 24 bit Basic delay analog input incl conversion AD DA 1 msec Maximum delay setting 220 msec 75 68 m 246 1 ft Power consumption typical values Standby 2 W ON without signal 27 W ON Standard signal at 16 Ohms 79 W ON Standard signal at 8 Ohms 114 W Standard signal Pink noise 1 8 nominal power Dimensions weight and power supply Height x width x ...

Страница 23: ...nformity with the provisions of the following EC directives including all applicable amendments 2006 95 Low Voltage 89 336 Electromagnetic Compatibility The following standards have been applied DIN EN 60065 1998 DIN EN 55103 1 1996 classes E1 to E4 DIN EN 55103 2 1996 classes E1 to E4 8 2 WEEE declaration Disposal Electrical and electronic equipment must be disposed of separately from normal wast...

Страница 24: ......

Страница 25: ...D2014 E 01 02 2013 d b audiotechnik GmbH d b audiotechnik GmbH Eugen Adolff Str 134 D 71522 Backnang Germany Phone 49 7191 9669 0 Fax 49 7191 95 00 00_______ ...

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