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Crown

Crown CTD-4125 ComTech Amplifier 4x125W with DSP and Dante Half-Rack

Product code: 205916
Crown CTD-4125 ComTech Amplifier 4x125W with DSP and Dante Half-Rack - Image 1
Click to enlarge

    £1,538.00 inc VAT
    £1,281.67 ex VAT

    SKU: CRN-CTD-4125-EK

    2 in stock

    Ordered from supplier, allow 1–3 weeks
    FREE delivery by Wed 25th NovOrder by 3pm
    Click & Collect Tue 24th Nov ›Collect from us in Wembley
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    1 Year Manufacturer Warranty Included
    About Stage Supply
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    About this Product

    Crown ComTech D Series amplifiers are designed for versatility, flexibility, and ease of installation. With both Dante inputs and outputs, built-in DSP, power sharing, Lo-Z/Hi-Z switching, and a simple to use web configuration interface, ComTech D amplifiers are ideal for meeting the changing demands of diverse installed audio applications.

    The CTD-4125 delivers 125 watts per channel of legendary Crown amplification when all channels are driven equally. Asymmetrical power sharing enables the four channels to share the full 500W in any ratio, offering unparalleled flexibility.

    Built-in DSP allows outputs to be tuned specifically for every application and provides the ability to create custom speaker tunings. Factory JBL SpeakerTunings for select JBL models, including Control 400 Series ceiling speakers, are included to simplify the optimisation of an all-HARMAN solution.

    The amplifier can be configured through the intuitive web interface with any computer or tablet and without the need to install proprietary software. It uses HARMAN’s HControl protocol to communicate natively with BSS OMNI Processors or AMX MUSE Automation Controllers and includes an easy-to-use API for integration with 3rd-party control systems.

    This compact 1RU, ½ rack width device can be installed in a rack, under a table, or on a wall using the included mounting hardware.

    Full features

    • Dante Inputs and Outputs
    • DSP for Room Tuning and Speaker Tuning
    • Power Sharing
    • WebUI Configuration
    • Lo-Z/Hi-Z switchable outputs
    • Compact Design
    • Factory JBL SpeakerTunings
    • Pilot Tone & Load Monitoring
    • Source Priority Switching
    • GPIO Interface
    • HControl

    Full specifications

    • Power

      • Power (1kHz, 20ms burst, all channels driven, 0.1% THD)
        • Rated Power (8Ω):  125W x 4
        • Rated Power (4Ω):  125W x 4
        • Rated Power (70V/100V):  125W x 4
      • Power (1kHz, 20ms burst, single channel driven, 0.1% THD)
        • Rated Power (8Ω):  500W x 1
        • Rated Power (4Ω):  500W x 1
        • Rated Power (70V/100V):  500W x 1
    • Performance

      • Crosstalk 20 Hz to 1 kHz:  <-90dB
      • Common Mode Rejection (20 Hz to 1 kHz):  > 55 dB
      • Damping Factor (20Hz to 100Hz):  ≥100
      • Digital Signal Processing:  48kHz
      • Frequency response @ 4/8 ohm:  20 Hz - 20 kHz +/- 0.5 dB
      • Intermodulation Distortion (60Hz and 7kHz AT 4:1, From - 30dB To Full Rated Power): ≤0.35%
      • Input Impedance:  20k, balanced
      • Input Sensitivity @ 8 ohm:  1.58Vrms (4 & 8ch)
      • Maximum Fan Noise (Red. dB SPL @ 1M):  48dB
      • Maximum Input Level:  +20dBu
      • Signal to Noise Ratio (below rated power 20 Hz to 20 kHz, A-Weighted):  104dB Analogue, 113dB Dante
      • THD+N at 4/8 Ω, 70V/100V, @1dB below rated power:  ≤0.1%
      • Voltage Gain (8Ω, 1kHZ, Vin = 100mV):  32dB
      • 100V Output Voltage (loaded to 250W/500W):  93Vrms
    • Connectors

      • Analogue Audio Input:  3.5mm Phoenix Terminal Block connector
      • Digital Audio Input/Output (Dante/AES67):  2x RJ45
      • Speaker Output:  5.08mm Phoenix Terminal Block connector
      • GPI:   4in, 6pin 3.5mm Phoenix Terminal Block Connector
      • Fault Relay Output:  NO, COM, NC
      • Power:  Standard IEC
    • Electrical

      • Power Supply:  Universal power supply, voltage:100-240VAC, 50/60Hz
      • Power Saving:
        • Standby Consumption 
        • GPI Standby <0.5W 
        • Auto Standby with Network Control <2W
      • Wakeup Time from Sleep:  <250ms
    • Physical and Dimensions

      • Dimensions (DxWxH):  14.1 x 8.6 x 1.7 in. (358 x 220 x 43 mm)
      • Weight:  9.1 lbs (4.1 kg)

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    Frequently Asked Questions

    We’re a working touring and events production company founded in 2019 by sound engineers with many years of experience. 

    We’re very selective about the products we sell. Everything we supply we use ourselves on our tours, events and productions. This means we can offer a level of buying advice and aftersales support that can’t be beaten.

    We’re official dealers of brands such as Allen & Heath, Audio Technica and sE Electronics. We also stock other leading brands including Shure, Sennheiser, Martin Audio and Chauvet Professional.

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    Please contact us for a quotation if you need something shipped to a country not offered at checkout.

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    Generally if you change your mind you can return your item for a full refund within 30 days of delivery (14 days for business customers) - as long as the product is unopened and unused.

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    Stock availability is shown on every product page and is updated in real time. Items not stocked at our Wembley branch can usually be collected next day.

    We're currently not able to offer an installation service due to the rapid growth of Stage Supply.

    We hope to be able to offer this service again in the future.

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