Dynacord Professional Power Amplifiers Stereo Amplifier User Manual


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DPA 4411
dPa 4000 se ri es
69
General
DPA 4245
DPA 4260
Load Impedance
28.5Ω/100V 20Ω/100V
14Ω/70V 9.8Ω/70V
1.8Ω/25V 1.25Ω/25V
4Ω/37.4V 4Ω/44.7V
Rated Output Power
350W(acc.toIEC268-3/19.4) 500W(acc.toIEC268-3/19.4)
Maximum Output Power
450Winto4Ω 600Winto4Ω
Output Power in Bridged-Operation
700W(acc.toIEC268-3) 1000W(acc.toIEC268-3)
Power Output Characteristics:
balanced,oating
Input Characteristics:
electronicallybalanced
Input Sensitivity
775mV/0dBu
Input Impedance
20kΩ
Distortion @ 1kHz and Nom. Outp. Power
≤0.1%
Frequency Response
45Hz..22kHz(-3dB)
Signal to Noise Ratio
>100dB
Output Stage Topology
Class-AB,Transformer,Floating
Power Requirements Mains
230VAC/50-60Hz
Mains Power Consumption
1714VAatnominaloutput 2268VAatnominaloutput
635VAdrivenat-10dB 842VAdrivenat-10dB
78VAnosignal 131VAnosignal
Protection
audiolimiter,thermaloverload,DC,HF,Back-EMF,peakcurrentlimiter,initial
currentinrushlimiter,power-ondelay,
saturationlimitationforoutputtransformers
Cooling
Front-to-Rear,temperaturecontrolled
Ambient Temperature Limits
+5°C...+40°C(40°F...105°F)
Safety Class
I
Dimensions (WxHxD), mm
483x132.5x384mm,19”/3HU
Installation Depth without Connectors
377mm
Installation Depth including Connectors
max.437mm
Weight
20.5kg 22.5kg
Color
anthracite
Optional Extension-kits for the DPA 4245 / DPA 4260:
NRS 90208 Input transformer (for one input)
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