Loyola Enterprises

A veteran and minority owned SDB Certified Business.

Electro-Voice















DPA 4260


757.498.6118 Ext - 109DPA 4260 - Call for pricing - 2x600w Power Amplifier

Downloads

PDFDPA 4260 Manual (pdf)


The DPA4260 power amplifier has been specially designed to ensure durable performance and reliable operation of sound reinforcement systems with several independent loudspeaker lines. The power amp incorporates two high-performance output transformers. Next to 100 V, 70 V, and 25 V floating outputs, the direct outputs provide the possibility to also drive loudspeaker systems with low-impedance down to a minimum of 4 ohms. Simultaneous operation of low-impedance speaker systems and floating loudspeaker lines on a single output channel of the power amplifiers is possible as well. The integrated 45 Hz LO-cut filter with 18 dB/oct. slope protects the connected loudspeaker lines from unwanted ultra-low frequencies.

Comparator circuitry constantly monitors the input and output signals of the power amplifiers and activates their internal limiters whenever non-linear operation is encountered which reliably protects the connected loudspeaker systems against overload conditions and clipping, saturation of the power supply transformers, and overvoltage at the outputs. The DPA-Series power amplifiers’ transmission and sound qualities are absolutely superb. The employed comprehensive dimensioned power supply units with low-interference toroidal transformers ensure that the stated nominal performance specifications are accomplished, even in most demanding and critical installations.

The DPA4260 power amplifier does not employ V/I-Foldback-Limiter circuits so operation on complex loads up to ±90° phase angles is possible without a problem.

Features

  • 2 x 600 watts output power capacity
  • Floating 100V / 70V / 25V power outputs (isolated outputs)
  • Low impedance outputs (direct outputs)
  • Bridged mode operation, switchable
  • All outputs are protected against idling and short-circuit
  • Mains supply 230V AC 50/60 Hz
  • POWER REMOTE function
  • Service mains switch
  • Active ventilation via 2 temperature-controlled DC-fans
  • Electronically balanced inputs
  • Routing switch for parallel linked operation
  • Input gain controls
  • Integrated audio limiters
  • Power-on switching noise suppression
  • Protection circuitry: DC/HF, Back-EMF, output voltage overload limiters, initial inrush current limiter, output peak current limiter
  • 18 dB/oct. LO-cut filter at 45 Hz
  • SIGNAL and LIMIT indication for optical monitoring
  • Thermal overload protection for the heat sink and the internal power supply, with PROTECT-function
  • Inputs transformers for balanced, floating operation are optionally available
  • XLR-type and binding post clamping input connectors

Specifications
Dual Mode Direct Output Isolated Outputs
4 Ω 8 Ω 100V 70V 25V
Rated Load Impedance - isolated outputs only - - 20Ω 9.8Ω 1.25Ω
Max. Midband Output Power - THD=1%, 1kHz 600 W 330 W 590 W 580 W 570 W
Max. Midband Output Voltage - THD=1%, 1kHz, RMS, rated load 49 V 51.3 V 109.5 V 75.4 V 26.7 V
Rated Output Power - THD <0.2%, 45 Hz–20 kHz 500 W 300 W 500 W 500 W 500 W
Rated Output Voltage - THD <0.2%, 45 Hz–20 kHz 44.7 V 49 V 100 V 70 V 25 V
Maximum RMS Voltage Swing - THD=1%, 1kHz, no load connected 52 V 121 V 88 V 32 V
Frequency Response (-3dB, ref. 1 kHz) 45 Hz–30 kHz 45 Hz–22 kHz
Voltage Gain @ 1 kHz 35 dB 42 dB 39 dB 30 dB
Input Sensitivity and Impedance @ rated condition 0 dBu (775mV) / 20 kΩ
Slew Rate 30 V/μs
Power Bandwith - THD=1%, ref. 1kHz, half power 45 Hz–50 kHz 45 Hz–25 kHz
THD @ rated output power < 0.05% < 0.1% < 0.2% < 0.3%
IMD-SMPTE - 60 Hz, 7 kHz < 0.08% < 0.1% < 0.3% < 0.5%
DIM30 - 3.15 Hz, 15 kHz < 0.03% < 0.2% < 0.3% < 0.3%
Crosstalk - ref. 1kHz @ rated output power < -80 dB
Damping Factor @ 100Hz / 1kHz, direct outputs only > 300 / > 200
Insertion Loss - isolated outputs only - - 0.7 dB 0.8 dB 1.1 dB
Signal to Noise Ratio (A-weighted) > 100 dB
Bridged Mode 8 Ω 200V 140V 50V
Rated Load Impedance - isolated outputs only - - 40Ω 19.6Ω 2.5Ω
Rated Output Power - THD <0.2%, 45 Hz–20 kHz - 600 W 1000 W 1000 W 1000 W
Max. Bridged Output Power - THD=1%, 1kHz - 1200 W 1180 W 1160 W 1140 W
General
Power Requirements 230 V / 50 Hz–60 Hz
Power Consumption @ 1/8 maximum output voltage 870 W
Protection Audio limiters, High temperature, DC, HF, Back-EMF, Peak current limiters, Inrush current limiters, Turn-on delay, Output Transformer Saturation Protection
Input Connectors Euro-style, 3-pin, detachable or XLR
Output Connectors Euro-style, 12-pin, detachable, covered
Cooling Front-to-rear, 3-stage-fans
Regulations EN60065, EN50081-1, EN50082-1
Safety Class I
Operating Temperature Range +5 °C to +40 °C
Dimensions (HxWxD) 13.2 x 48.3 x 37.7 cm (5.2" x 19.0" x 14.8")
Weight 22.5 kg (49.6 lbs)
Purchasing
For pricing options and packages, contact us at
757.498.6118 Ext - 109, Or