Used Crown CTs Series
Used Crown CTs Series amplifiers are professional installed-sound power amplifiers offering high power density, selectable constant-voltage or low-impedance operation per channel, and integration with HiQnet and CobraNet for comprehensive monitoring, control and digital audio transport. Second-hand units appear regularly across two-channel, four-channel and eight-channel configurations. Scroll down to browse the Crown CTs Series listings currently available.
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Crown CTs Series specifications
| Brand | Crown |
| Segment | Audio |
About the Crown CTs Series
The Crown CTs Series is a range of multi-channel power amplifiers designed for fixed installation applications. Models are housed in a 2RU chassis for two- and four-channel versions and a 3RU chassis for the eight-channel version, keeping rack space efficient. Each channel on two-channel models supports selectable constant-voltage or low-impedance (4 or 8 ohm) operation, with per-channel-pair selection on four- and eight-channel models. Crown class-I (BCA) and AB+B output topologies underpin reliability, while FIT (Fault Isolation Topology) circuitry on four- and eight-channel models isolates faults without disrupting neighbouring channels. HiQnet and CobraNet integration enables digital audio transport alongside monitoring and control. Two-channel models are fully PIP2-compatible, and multi-channel models accept MC accessory modules, making the CTs Series adaptable across multi-zone installed sound designs.
Crown CTs Series — buyer FAQs
What is the Crown CTs Series and what is it designed for?
The Crown CTs Series is a range of multi-channel power amplifiers built specifically for fixed installation applications. Models are available in two-, four- and eight-channel configurations, all housed in compact 2RU or 3RU chassis. Key design choices include selectable constant-voltage or low-impedance operation per channel, high power density, and a Crown switching power supply for reduced weight in rack installations.
Who makes the Crown CTs Series and where does it sit in the professional audio market?
Crown is an American manufacturer of professional power amplifiers, founded in 1947 and part of Harman Professional Solutions. The CTs Series represents Crown's installed-sound amplifier line, combining the company's class-I (BCA) and AB+B output topologies with network integration features, positioning it toward permanent installation environments rather than portable touring use.
How do the Crown CTs Series amplifiers integrate with a wider audio system?
CTs Series amplifiers support integration with HiQnet and CobraNet, enabling digital audio transport alongside monitoring and control across a networked system. Two-channel models are fully PIP2-compatible, while four- and eight-channel models accept MC accessory modules. The four- and eight-channel versions also include FIT (Fault Isolation Topology) circuitry, which isolates fault conditions on one channel without affecting neighbouring channels.
What should I check when buying a used Crown CTs Series amplifier?
Confirm which channel configuration you need (two-, four- or eight-channel), whether the unit supports the impedance mode required (constant-voltage or low-impedance), and that any fitted accessory modules are included. Check that all indicators and diagnostics are functioning. Used condition and included accessories affect price; check the live listings on this page for current availability. Purchases on 10K Used include a 21-day warranty covering major functional faults, with further detail in the buying guide at 10kused.com/used-av-equipment-guide/.
What audio performance specifications does the Crown CTs Series offer?
The two-channel CTs models list a signal-to-noise ratio of 105 dB (A-weighted, 20 Hz to 20 kHz), total harmonic distortion below 0.1% at full rated power across the same frequency range, a damping factor below 3000 (10 Hz to 100 Hz), and a frequency response of plus or minus 0.25 dB at 1 W into 4 or 8 ohms. Sensitivity is rated at 1.4 V.
