Dynacord PowerMax PM 2600 Manual de usuario
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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3
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