Dynacord Professional Power Amplifiers User Manual
Page 69

DPA 4411
dPa 4000 s
eries
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, floating
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)