EM Acoustics DQ6 Datasheet

DQ 6 / DQ 10 / D Q20

A D V A N C E D S Y S T E M A M P L I F I E R S T E C H N I C A L D A T A S H E E T

DQ Series amplifiers are lightweight four-channel Class D models designed to give the best performance from any loudspeaker in the EM Acoustics product range, with advanced DSP and networking capabilities.

F E A T U R E S A N D B E N E F I T S

• Four channels of sonically pure Class D amplification

• Unique, precise digital signal processing

• Over-designed switchmode power supply

• High power-to-size ratio

• Full front panel user interface

• Ethernet network for system operation and monitoring

• Analogue, AES3, and Dante™ digital network audio inputs

• Powerful grouping and multi-layer equalisation

The DQ Series of advanced system amplifiers offer a unique combination of high power and audio performance, seamlessly combined with advanced DSP and network control. The DQ Series offers three models, physically identical four-in-four-out amplifiers but with varying total output power configurations of 6,000 watts (DQ6), 10,000 watts (DQ10) and

20,000 watts (DQ20) to suit specific loudspeaker models and audio applications. The DQ Series models offer extremely high power density in a convenient and flexible format for both mobile applications and installations alike.

DQ Series advanced system amplifiers represent the ideal solution for powering EM Acoustics loudspeakers. Each amplifier comes loaded with preset files for all EM Acoustics loudspeaker products, as well as a dedicated “linear” preset with no processor settings applied – but also blank memory slots for users to create their own setting files. Aside from the non-adjustable factory settings for each EM Acoustics product, users have access to a variety of processing functions including gain, delay and EQ (parametric and shelf) for system or venue optimisation. Power delivery is an area where the DQ Series amplifiers are unmatched. A state-of-the-art switchmode power supply with power factor correction ensures that a DQ Series amplifier can deliver all that is required, even under demanding load conditions and across a wide range of mains supply voltages. DQ6 and DQ10 amplifiers feature an automatic load sensing function which allows them to deliver maximum power into higher impedances. This makes them very cost effective and flexible in a variety of applications. The use of state-of-the-art components and a finely optimised design results in generous power reserves, thus ensuring that pristine sound quality is maintained even under the most extreme conditions, anywhere in the world.

audio input card if required (model numbers DQ6D, DQ10D and DQ20D).

Maximum flexibility was the thought process with regards the input infrastructure – the four-in-four-out configuration allows the DQ Series models to be highly flexible whether deployed powering front of house systems, monitor mixes, or fill loudspeakers.

The front panel provides an intuitive set of controls and indicators to enable simple and straightforward operation of all functions without the need for the remote software. A set of five LED indicators show signal level from

-12dB to clip for each of the four DSP inputs. Six illuminated push buttons and two velocity-sensitive rotary encoders provide the user interface for all input and output functions, as well as utility features, in conjunction with the clear back-lit graphical display. A further set of LED indicators show output level and limiter status, and individual backlit channel mute buttons are also provided. A final set of four LED indicators give further status information for the amplifier including AES3 or Dante network audio input, device control network status, and also the presence of a system EQ overlay if activated. DQ Series amplifiers are built around a 2U all-metal chassis to ensure a lifetime of reliable performance. Low-noise variable speed fans are fitted, along with a reticulated foam dust filter which can easily be removed for cleaning. The rear panel houses the Neutrik XLR analog input and link connectors, AES3 input and link connectors, RJ45 communications port, and output connectors on Neutrik speakON™

NL4. Mains power is connected via a 32A Neutrik powerCON™ locking type connector. If fitted, the Dante™ primary and secondary RJ45 ports are also located on the rear panel of the amplifier, along with a Phoenix connector for contact-closure input and relay output connections.

DQ Series amplifiers have both analog inputs (4) and AES3 digital inputs

(2) as standard, and can be supplied with an optional Dante™ networked

The DQ Series represents a huge leap forwards In amplifier technology, and offers users significant ease of use, improved reliability and better return on investment compared to traditional amplifier/processor combinations.

L O U D S P E A K E R S R E D E F I N E D

T E C H N I C A L S P E C I F I C A T I O N S

GENERAL SPECIFICATIONS

AUDIO INPUTS

DIGITAL SIGNAL PROCESSING

CONTROL, MONITORING AND SYSTEM STATUS

ALARMS

POWER SAVE MODES

SYSTEM STANDBY AND WAKEUP

4 x Analogue, 2 x AES3 and 4 x Dante™ (factory fitted option)

High performance DSP on all inputs and outputs

Ethernet network

Volt-free relay and contact closure port

Standby after user defined time with fast wake up on audio

Deep ECO sleep after user defined time with wake up on command

Front panel switch, network command and audio detection

POWER OUTPUT

TOTAL OUTPUT POWER

Crest Factor of 2 ( 6dB )

Crest Factor of 2.8 ( 9dB )

Crest Factor of 4 ( 12dB )

DQ6

6,000 Watts RMS

750W/ch @ 8 ohms

1500W/ch @ 4 ohms*

1500W/ch @ 2 ohms

3000W @ 4 ohms (bridged)

DQ10

10,000 Watts RMS

1500W/ch @ 8 ohms

2500W/ch @ 4 ohms*

2500W/ch @ 2 ohms

5000W @ 4 ohms (bridged)

DQ20

20,000 Watts RMS

1500W/ch @ 8 ohms

3000W/ch @ 4 ohms

5000W/ch @ 2 ohms

10000W @ 4 ohms (bridged)

* Maximum power available – to acheive this the amplifiier must be configured via software to deliver maximum power into 4 ohms

AUDIO PERFORMANCE

AMPLIFIER TOPOLOGY

AMPLIFIER MODULATION

DYNAMIC RANGE, MEASURED RELATIVE TO

AMPLIFIER OUTPUT

GAIN

FREQUENCY RESPONSE:

THD

INTER CHANNEL CROSSTALK

MAX ANALOGUE INPUT LEVEL

ANALOGUE INPUT SENSITIVITY RANGE

ANALOGUE INPUT ( FOUR CHANNELS ) :

ANALOGUE GROUND SCHEME

AES3 INPUT ( TWO AUDIO CHANNELS )

AES3 LINK ( TWO AUDIO CHANNELS )

AES3 SUPPORTED SAMPLING RATES

High performance Class D

Low feedback, multiple loop, with feed

Analogue input, better than 113dBA typical

AES / Dante™ input, better than 114dBA typical

32dB

<7Hz to >30kHz, 4 Ohms, -2.5dB points

<0.05% typical, 1kHz signal, AES17 filter, 4 Ohm load

Better than -85dBr at 1kHz and -75dBr at 10kHz

+20dBu

0dBu to +20dBu for full output, continuously adjustable

Input 20k Ohm, electronically balanced, link directly connected to input

AES48 standard compliant

Transformer isolated with unique active cable equalisation for extended range

Active AES3 signal regeneration. Automatic direct bypass to the AES3 input ensuring the audio signal will still flow even when the amplifier is powered down

24kHz to 192kHz (auto locking)

DIGITAL SIGNAL PROCESSING

RESOLUTION

SAMPLE RATE

PHYSICAL INPUTS TO DSP DRIVE MODULES

DRIVE MODULE INPUT PROCESSING

DRIVE MODULE OUTPUT PROCESSING

PRESET MANAGEMENT

OVERLAYS

40 bit, Linea Research proprietary algorithms

96kHz throughout

4 x analogue, 2 x AES, 4 x Dante™ can be routed to four DSP Drive Modules

Input signal routing, delay, gain, HPF, Phase, Mute

EQ: 2 x low shelf, 6 x PEQ / band pass and FIR shelving filters

Source, delay, gain, Phase, Mute, crossover filters, VX limiters

EQ: low shelf, 8 x PEQ / band pass and shelving filters

10 snapshots for device wide setup, 50 presets for loudspeaker settings

Presets can be recalled to sets of outputs or individual outputs as required

Twelve additional independent overlays of EQ, Delay and Gain

Flexible grouping for effective control of many amplifier channels in large systems

POWER SUPPLY

TOPOLOGY:

TOPOLOGY:

(

(

MAIN POWER SUPPLY

INTERNALLY STORED ENERGY

)

AUX AND STANDBY SUPPLIES )

Linea Research high performance Series Resonant

Low quiescent Eco-Flyback

>600 Joules

85V to 240V, Power supply automatically detects voltage and configures accordingly NOMINAL MAINS INPUT VOLTAGE RANGE

MAINS INPUT FREQUENCY RANGE 47Hz to 63Hz

MAINS INRUSH CURRENT ( MAX FOR < 10MS ) 6A at 115V, 12A at 230V

L O U D S P E A K E R S R E D E F I N E D

T E C H N I C A L S P E C I F I C A T I O N S

PROTECTIONS SYSTEMS

Under all circumstances the control and protection systems will endeavour to deliver the maximum power possible for a given set set of conditions, applying limiters only in extreme circumstances. Muting will only occur when a dangerous situation is detected, normal operation automatically resuming when the condition clears.

SYSTEM PROTECTION

POWER DISTRIBUTION PROTECTION SYSTEMS

MONITORING, MEASUREMENTS RECORDED

AGAINST TIME

SPEAKER PROTECTION

Excessive power supply current or amplifier output current

Excessive temperature per sub system: PSU, amplifier and DSP

Mains voltage within acceptable limits

Internal power rails producing correct output

Fans operating at correct speed

Mains inrush current limiting for soft start and anti-surge

Mains average current limiting for mains breaker management

Randomised initialisation when remotely powered up

Supply current, Supply voltage, Thermal capacity, Each driver current, Each driver impedance,

Protection limiting for each output

Sustained clipping prevention

DC offset protection

Excessive HF energy (VHF) limiter

VX AUDIO OUTPUT LIMITERS

Vx provides a linear phase virtual crossover and two limiter paths on each output. This unique system delivers effective protection for systems that incorporate passive crossovers

Vx Limit Multiband peak limiter, two per output

Vx Max Multiband overshoot limiter, two per output

X-Max Driver excursion limiter

T-Max Driver thermal limiter (long term power limiter)

MONITORING, DEVICE STATUS

AND COUNTERS

Number of power cycles counted

Number of mains brownout events counted

Fan speeds continuously monitored

Fan under-speed events counted

Various protection mute events counted

Driver Impedance continuously monitored

An inbuilt notification system is provided to indicate problems to remote devices either via the network or the

Volt-free changeover relay contacts accessible on the rear panel.

PHYSICAL

COOLING

ANALOGUE IN AND LINK

AES3 DUAL CHANNEL IN AND LINK

AMPLIFIERS OUTPUT

MAINS INPUT CONNECTOR

DANTE PRIMARY AND SECONDARY

RELAY OUTPUT & CONTACT CLOSURE

FRONT PANEL DISPLAY

FRONT PANEL ENCODERS

FRONT PANEL PUSH BUTTONS

LED INDICATORS

ENCLOSURE

NET WEIGHT

R E A R P A N E L C O N N E C T O R S

Dual vari-speed fans, front to back airflow. Washable, tool-less change filter media

4 x female and 4 x male Neutrik™ XLR

1 x female and 1 x male Neutrik™ XLR

4 x Neutrik® speakON™ NL4 connectors

Neutrik® 32A powerCON™

2 x shielded RJ45

Phoenix™ pluggable terminal block (supplied)

Backlit, graphical, high contrast, daylight visible

Two, detented, velocity sensitive

Large, tactile, illuminated

Bright, easily differentiated

Standard 19” 2U (88mm), 357mm (14”) deep with handles and optional rear support

12.5kg (27.5 lbs)

EM Acoustics Ltd, Building 19 Dunsfold Park, Cranleigh GU6 8TB UK tel: +44 (0)1483 266520 [email protected] www.emacoustics.co.uk