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Wireless Microphone Systems
We do our best to keep healthy stocks across the many Wireless Microphone System SKUs but in the rare case where we don't have your required system in stock, please contact our sales team as we can often make your product to order by borrowing the system components (transmitters, receivers or mics) from other stocked systems.
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Main Features
2-Channel Auto Power Sharing Amplifier
Output mode selectable per-channel
Balanced line level inputs
Per-channel output level controls
Switch-on delay for speaker protection during power-up
CA2250 Auto Power Sharing Amplifier 2x250W - 2-Channel
The Cloud CA Series is a range of versatile multi-channel audio power amplifiers of advanced design, able to drive low impedance loudspeakers, or high impedance (100 V-line or 70 V-line) loudspeaker distribution systems directly. They are ideal for sound reinforcement applications in the retail, leisure, hospitality, commercial or industrial sectors.
Model CA2250 can deliver a maximum of 500 W of audio power, which may be similarly shared between its two channels.
Particular design attention has been paid to the amplifiers’ energy efficiency. The Class D output stages dispense with line output transformers, and consequently offer great savings in weight and size over earlier designs. An automatic, two-stage power-down feature (APD) resulting in power consumption of less than 2.5 W. The amplifiers also include a remote standby/wake up function, enabling them to be placed into standby mode - and subsequently powered up again - by a simple external contact closure. The APD feature can be disabled by a rear panel DIP switch.
Safety features of the design include output DC detection, overcurrent protection, and thermal monitoring. A switch on delay provides loudspeaker protection at power-up. All models use variable–speed forced-air cooling.
Product Features
Output stage can drive 70 V/100 V-line systems directly (transformerless), or low impedance loudspeakers (≥4 ohms)
Output mode selectable per-channel
Balanced line level inputs
Per-channel output level controls
Per-channel rear panel input switches for input routing, high or low impedance operation, 70 V/100V -line selection and high-pass filter
Automatic Power Down: <2.5 W power consumption with all channels quiescent
Remote Power control input
Global disable of APD function
Variable speed forced-air cooling
Thermal protection, overcurrent limiting and DC offset protection
Switch-on delay for speaker protection during power-up
Universal PSU – operates from 100 to 240 VAC
Product Specifications
Performance
Output Power:
CA2250: total output power 500 W, both channels
CA2500/CA4250/CA6160/CA8125: total output power 1 kW, all channels
Outputs:
Low-impedance: 4 ohms or 8 ohms (selectable)
High-impedance: 70 V or 100 V (rms)
Frequency Response: 20 Hz to 20 kHz, +0 dB/-1 dB
High Pass Filter: -3 dB @ 65 Hz via rear panel switches
Distortion: 0.019%THD+N @1 kHz, 1 dB below rated output
Noise: -94 dBr, 22 Hz to 22 kHz, relative to full power
Crosstalk:
Ch1 to Ch2: < -98 dB @1 kHz, -79 dB @10 kHz
Other channel combinations: -107 dB @1 kHz, -98 dB @10 kHz (typical)
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