Dynacord PowerMax PM 2600 Manuale utente

POWER AMPLIFIERS 31

Originally designed for the Xa-Systems, this system power

amplifier offers various adjustment features and reveals its

true versatility when being used with any other Hi/Mid/

Sub woofer speaker system combination.

The Mid/Hi-Equalizer with integrated horn-equalization at

12 kHz can be optimally used with medium or long-throw

Mid/Hi speaker systems.

Separating the LF-range from the rest of the audio signal,

an active Butterworth/Constant-Power-Response-Cross-

over provides a crossover frequency at 160 Hz with

18 dB/oct. slope. A 12 dB/oct. Lo-Cut filter cuts ultra-low

frequencies below 30 Hz.

Xa2600/PM2600

DualActive2-Way

ProcessedPrecisionPowerAmplifier

2600Watts

The heart of any Xa-system, PowerMax system or of a

freely configured 2-way system is one of our 2600 Series

Controller Amps.

Based on the topology of the “LINEAR PRECISION” Series

power amps, these system power amplifiers offer an out-

put power capacity of 2,600 watts (RMS) each, when

operated in active 2-way mode. Both models provide in-

tegrated active frequency crossovers, several processor-

controlled functions and extensive protection circuitry.

The provided output power is:

2 x 700 watts Lo

2 x 600 watts Hi

The multitude of processor functions includes our patented

LPN-filters, the ”Thermal Brain Circuit" protection, and an

APC-controlled limiter for each amplifier channel.

Additional protection circuitry prevents thermal overload,

HF, DC or short-circuit in the output stage. The Linear

Precision Series' Back-EMF-protection circuitry contributes

to the overall operational stability.

The integrated bass equalizer is meant to be used for live

concerts. The 4 kHz Dip-switched EQ allows the adjust-

ment of several different cabinets to match varying acous-

tical environments. A 12 dB/oct. Lo-Cut filter attenuates

ultra-low frequencies.

•LPN Processor Function

The patented LPN-Processors (Low Pass Notch Filter)

electronically neutralize speaker-typical transient response

distortion already within the power amp.

•APC Processor Function

Four super-high-speed audio processors continuously

monitor the amplifier's internal and external operational

state, activating the four internal dynamic limiters on the

occurrence of any non-linear operation.

•TBC Processor Function

Four Thermal-Brain circuits simulate the thermal model of

a typical voice coil and limit the energy fed to the speaker

components during impending overload.

32 POWER AMPLIFIERS

PM2600

Crossover Section Xa2600 PM2600

Crossover Type 3rd Order BU, Constant-Power-Response PowerMax12*, Stereo active 2-way

Stereo active 2-way

Crossover Frequency 160 Hz 110 Hz

Lo-Cut 12dB/octave, 30Hz at -3dB ref. 1kHz 12dB/octave, 25Hz at -3dB ref. 1kHz

*Patent pending

Xa2600, PM2600

HI-Channels LO-Channels

Load Impedance 8Ω4Ω8Ω4Ω

Maximum Midband Output Power, THD = 1%, 1kHz, 60Hz 380W 700W 380W 700W

Rated Output Power, THD < 0.1% 300W 600W 350W 700W

Maximum Single Channel Output Power, 400W 750W 400W 750W

Dynamic-Headroom, IHF-A

Maximum RMS Voltage Swing, THD = 1% 58.7V

Frequency Response, -3dB, ref. 1kHz, Lo-Cut 25Hz ... 45kHz

Minimum Load Impedance 2.5 Ω

Input Sensitivity at rated output power @ 4Ω0dBu (775mV)

Maximum Input Level +21dBu (8.7V)

THD at rated output power, MBW =80kHz < 0.05%

Crosstalk Attenuation > 60dB

Slew Rate 30V/µs

Power Bandwith, THD = 1%, ref. 1kHz, half power @ 4Ω10Hz ... 50kHz

Input Impedance, 20Hz ... 20kHz, balanced 20kΩ

Damping Factor > 300

Signal-to-Noise Ratio, A-weighted > 100dB

Power Requirements 230V, 50Hz ... 60Hz

Power Consumption at 1/8 maximum output power @ 4Ω1800W

Protection Audio limiter (APC), TBC, High temperature,

DC, HF, Back-EMF, Peak current limiter,

Inrush current limiter, Turn-on delay

Cooling Front-to-rear, 4-stage-fans

Safety Class I

Dimensions (W x H x D), mm 483 x 177 x 426

Weight 30kg

Amplifier at rated conditions, all channels driven, 8Ωloads, HI-Channel rated at 1kHz, LO-Channel rated at 60Hz unless otherwise

specified. Note: 0dBu = 0.775V

Basically, the PM2600 can drive any active 2-way system

that consists of full-range cabinets and sub woofers. The

integrated frequency crossover operates in PowerMax

function mode and has been optimised for those com-

binations. Intelligently configuring system components

leads to outstanding results. For more details, please refer

to the PowerMax Systems and PowerMax230 Controller

descriptions.

PM2600

DualActive2-Way

”PowerMax“ControlledAmplifier

2600Watts

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