Extension kits for the DPA 4120 and DPA

interfering voltage (A)

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

ambient temperature range dimensions (W x H x D) depth with / without connections weight without extensions finish

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

600 ohms

+5 °C .. +40 °C

483 x 132 x 345 mm max. 400 mm / 340 mm

16.7kg

anthracite

extension kits for the DPA 4120 and DPA 4140:
NRS 90208 input transformer for floating, balanced input	Art. No.	121 641
NRS 90222 remote module	Art. No.	121 674
NRS 90224 pilot tone & ground fault surveillance	Art. No.	121 676
NRS 90225 standard input module	Art. No.	121 677
NRS 90227 output transformer for floating, balanced monitor output	Art. No.	121 679

13.Extension kit specifications for the power amplifiers DPA 4120 / DPA 4140

13.1NRS 90225 standard input module see specifications DPA 4120 / DPA 4140

13.2NRS 90222 remote module

see specifications DPA 4120 / DPA 4140

13.3NRS 90208 input transformer for floating, balanced input

frequency response	20 Hz .. 20 kHz
input impedance	³ 10 k ohms
idling ratio	1:1
winding resistance; primary	1420 ohms at 20°C
winding resistance; secondary	1420 ohms at 20°C

13.4NRS 90227 output transformer for floating, balanced monitor output

frequency response	40 Hz .. 20 kHz
nominal load impedance	³ 600 ohms
idling ration	1:1
winding resistance; primary	18 ohms at 20°C
winding resistance; secondary	18 ohms at 20°C

13.5NRS 90224 pilot tone & ground fault surveillance

13.5.1 pilot tone surveillance
pilot tone frequency	19 kHz ± 1%
error recognition threshold	£ 12 mV
fault message output via NRS 90225	collective fault message via READY relay
fault message output via NRS 90222	PROMATRIX manager DPM 4000

13.5.2	ground fault surveillance
input	loudspeaker line 4 ohms / 50V / 70V / 100V
fault message output via NRS 90225		collective fault message via READY relay
fault message output via NRS 90222		PROMATRIX Manager DPM 4000
disruptive strength		1000 Veff
error recognition threshold		£ 50 k ohms

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.

extension kits for the DPA 4120 and DPA 4140:

13.3NRS 90208 input transformer for floating, balanced input

13.5.1 pilot tone surveillance

13.5.2

ground fault surveillance

DPA 4120, DPA 4140 specifications