Dynacord Professional Power Amplifiers manual DPA 4000 Series, General, Load Impedance

DPA 4000 Series

DPA 4411

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)

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