Dynacord DPA 4120, DPA 4140 owner manual Battery operation

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Caution For security reasons it is necessary to ensure that, after the installation is completed, all wiring located beneath the power supply input PCB are within a distance of at least 6 mm to the printed board assembly.

12.Specifications

12.1DPA 4120 power amplifier 200 W

power supply:

 

 

 

 

 

 

 

mains operation

 

 

 

115 V / 230 V~ AC, ±10 %

 

mains frequency

 

 

 

50 - 60 Hz

 

 

security class

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

mains operation

 

Umains / V

Imains / A

Pmains / VA

Pmains / W

Pout / W

Pv / W

idling

 

230

0.13

30

16

0

16

normal operation

(-10 dB)

230

0.83

191

138

20

118

alarm (-3 dB)

 

230

1.67

384

298

100

198

standard conditions

230

2.27

522

415

200

215

initial current inrush (mains)

 

< 29 A

 

 

 

 

 

 

 

 

 

 

 

 

mains operation

 

Umains / V

Imains / A

Pmains / VA

Pmains / W

Pout / W

Pv / W

idling

 

115

0.26

30

16

0

16

normal operation

(-10 dB)

115

1.67

191

138

20

118

alarm (-3 dB)

 

115

3.34

384

298

100

198

standard conditions

115

4.54

522

415

200

215

initial current inrush (mains)

 

< 20 A

 

 

 

 

Pmains / VA = apparent power Umains*Imains; Pmains / W = true power;

Pout / W = output power; Pv / W =leakage power

battery operation

 

 

 

 

24 V DC,

-10/+30 %

 

 

 

 

 

 

 

 

 

battery operation

UB / V

 

IB / A

 

Pi / W

Pout / W

Pv / W

stand-by

24

 

2.5m

 

60m

0

60m

idling

24

 

0.43

 

10

0

10

normal operation (-10 dB)

24

 

3.74

 

90

20

90

standard conditions

24

 

9.10

 

218

131

87

initial current inrush (battery)

 

 

< 3.8 A

 

 

 

Pi / W = input power UB*IB; Pout / W = output power;

Pv / W = leakage power

 

 

features of the input: nominal input level nominal input impedance

features of the power output:

nominal output capacity during mains operation nominal load impedance

frequency response

distortion at 1 kHz and nominal output power interfering voltage (A)

features of the monitor output: nominal output voltage nominal load impedance

electronically balanced 775 mV = 0 dBu

³10 k ohms balanced, floating

200 W (according to IEC 268-3)

50 ohms / 100V; 25 ohms / 70 V; 12.5 ohms / 50 V or 4 ohms / 28 V

60 Hz .. 20 kHz £ 1 %

£ 1.2 mV = -56 dBu electronically balanced 2 V = + 8.2 dBu

600 ohms

43

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Contents Performance Features Power Amplifier DPA 4120 / DPAPage 12 a Indicators, controls and connectionsContents Utilization InstallationAmplifier has to be protected from Before the first operationInput Battery operation 24V DCOutputs Power Output for 100V 70V or 50V loudspeaker systemsRemote Control connector only NRS Power Output for low impedance loudspeaker systemsIndicators Single Call and obligatory reception relays Override BypassReady indicator Standby indicatorProtect indicator Ground Fault indicatorEnhanced application field Standard input module NRS NRS 90208 input transformer for the floating, balanced input Remote module NRSRe-insert the input module and tighten the locking screws B NRS 90224 pilot tone & ground fault surveillance Ground fault surveillancePilot tone surveillance NRS 90 406 S 411 Checking the pilot tone surveillance function Case and 19-rack-shelf system installation Checking the ground fault surveillance functionGround lift switch Circuit ⊥ to Chassis Switch Fuses Fuses in the DPA503 502 503 F 601 602 Battery operation DPA 4140 power amplifier 400 W Power supply 13.5.2 Ground fault surveillance Extension kits for the DPA 4120 and DPANRS 90208 input transformer for floating, balanced input
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DPA 4120, DPA 4140 specifications

The Dynacord DPA 4120 and DPA 4140 are powerful amplifier solutions designed for professional audio applications. These models are ideal for live sound reinforcement, permanent installations, and various audio distribution requirements.

Both DPA 4120 and DPA 4140 are part of the Dynacord DPA series, which is renowned for delivering high-quality sound and reliability in demanding environments. The DPA 4120 provides a robust 1200 watts of power per channel at 4 ohms, while the DPA 4140 ups the ante with an impressive 1400 watts per channel at the same impedance, making them suitable for driving a wide range of speaker systems.

One of the standout features of both amplifiers is the incorporation of advanced DSP (Digital Signal Processing) technology. This technology offers precise control over sound performance, allowing users to tailor settings to meet specific venue acoustics or personal preferences. The DSP includes functions such as equalization, crossover adjustments, delay, and limiting, ensuring optimal sound delivery in any setting.

Durability is another hallmark of the Dynacord DPA series. The amplifiers feature a rugged, lightweight design, ideally suited for touring and rental companies. The internal architecture includes a sophisticated cooling system that allows for extended operation under high-demand conditions without overheating.

Both models are equipped with a range of connectivity options, including XLR inputs and Speakon outputs, facilitating seamless integration with various audio systems. The amplifiers support both analog and digital input sources, ensuring compatibility with modern audio setups.

In terms of sound quality, the DPA 4120 and DPA 4140 are engineered with low distortion levels and high efficiency, achieving high-performance audio output while maintaining clarity and detail across all frequencies. The amplifiers also feature a robust power supply that delivers consistent performance, even during peak use scenarios.

User-friendly controls and monitoring options are also inherent in the design of these amplifiers. An intuitive front panel interface allows for easy adjustment of settings, while LED indicators provide real-time feedback on performance and operational status.

In summary, the Dynacord DPA 4120 and DPA 4140 offer exceptional power, sound quality, and advanced features, making them excellent choices for audio professionals seeking reliable and powerful amplification solutions. Their combination of performance, durability, and versatility serves to meet the needs of various professional audio applications, solidifying their place in the competitive landscape of audio amplifiers.