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Wharfedale Pro DP-4120
Suitable for professional live sound reinforcement or fixed installations, the top of the range 4-channel DP-4120 delivers extreme power from a light weight design. Its advanced switch mode power supply and super-efficient Class D topology delivers high power with low distortion. With 4 discrete channels and multiple operating modes its simple to configure into the most complex of installations or touring rigs.
Key Features
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DP SERIES
LIGHT ON WEIGHT. HEAVY ON POWER
Powerful Class D multi-channel amplifiers – stable down to 2 ohms…..
STABLE DOWN TO 2 OHMS
Stable down to 2 Ohms (*except DP-4030) and with huge power output.
The power output figures of DP series are staggering. The rated power outputs are measured at THD = 1%, continuous sinusoidal 1 KHz with each channel working simultaneously.
This allows for multiple 8 Ω or 16 Ω speakers to be driven with extreme power.
Power Factor Correction
Lets make it easy…. and call it PFC instead!
PFC, combined with the Switching mode power supplies inside DP series amps, increases the amplifier efficiency and regulates to ensure smooth power delivery even with huge fluctuations in the AC supply.
In the real world, it makes a big difference to amplifier performance and stability.
PROTECTION
Internally, a full suite of protection circuitry includes thermal, over-current, DC, short circuit protect and power on/off mute. This level of protection ensures long term system reliability and peace of mind should the worst ever happen. Front panel LEDs also keep the sound engineer well informed with fault, peak and signal LEDs. The variable speed fans keep the amplifier rack quiet when not in use – and cool while its running at high volume.
MODES AND SWITCHES
The DP Series feature stereo, bridge and mono modes. Use in bridge mode with an individual high-powered subwoofer or use a single DP to power your whole sound system equally. Mono mode saves external cabling by splitting a single input to feed both channels of the amplifier. In addition, gains can easily be controlled by the rear panel gain switch. This allows for installation into almost any rig or venue. The DP-4120 features XLR inputs with a maximum input level of +22dBu allowing for integration with any typical professional audio system.
DESIGN
The 1U design allows for powerful systems to be configured in extremely confined spaces. In the tour rack or in the amp room, DP delivers reliable power from a small box. Lightweight, powerful and portable. Its that simple!
SPECIFICATIONS
| Model Name | DP-4120 |
| Power Output | |
| Stereo power output 8Ω x 2 | 4 x 1200w |
| 4Ω x 2 | 4 x 2040w |
| Bridged mono output 16Ω | 2 x 2400w |
| Bridged mono output 8Ω | 2 x 4080w |
| Input sensitivity & Impedance | |
| Sensitivity | selectable 41/38/35/32dB |
| Balanced XLR input | 20KΩ |
| Max input level | 22dBu (9.7Vrms) |
| Voltage gain | 41dB |
| Slew rate | >50V / μs |
| Crosstalk | <-90dB |
| S/N | >110dB |
| Distortion (1W) | <0.02% |
| Frequency response | |
| +/-1dB @ 8Ω | 20Hz – 20kHz |
| +/-3dB @ 8Ω | 20Hz – 30kHz |
| Damping factor | >5000 |
| Topology | Class D |
| Connectors | |
| Signal input | Female XLR jacks |
| Power output | speakON compatible |
| Controls | |
| Front panel | AC Switch, 4 x channel gain knobs |
| Rear panel | Parallel, Stereo & Bridge mode switch, Limiter switch |
| Protections | Thermal, Over-current, Output DC, Output short protect. |
| Indicators | Power, Protect, Signal, Limiter |
| Cooling | Variable speed fan |
| AC Power | 90 ~ 260VAC, 50 ~ 60Hz |
| Dimensions | 44 * 485 * 465mm |
| Weight (Net) | 12.3kg |
| Weight (Gross) | 14.9kg |
