Description
Arcam PA240 Class G Stereo Power Amplifier
High-current two-channel Class G power amplifier with balanced XLR and RCA inputs, 225W per channel into 8 ohms under Arcam published conditions, and bridgeable operation for demanding stereo or mono applications.
The Arcam PA240 is a substantial two-channel power amplifier for systems that need more current and headroom than a typical integrated amplifier can provide. It can operate as a conventional stereo amplifier or be bridged for a single high-power mono channel.
The catalogue previously mixed headline 380/390W figures without the measurement conditions. This page uses Arcam's published full-bandwidth power figures so amplifier comparisons stay meaningful.
Class G High-Current Amplification
Serious output with an efficient multi-rail topology
Arcam rates the PA240 at 225W per channel into 8 ohms from 20Hz-20kHz at 0.2% THD. The amplifier also provides a 50W Class A operating region, with the higher supply rail available as output demand rises.
Stereo, Dual-Mono or Bridged Use
Flexible enough for stereo systems or modular theatre amplification
The PA240 can run as a two-channel amplifier or in bridged mode, where Arcam specifies 790W into 8 ohms under its published condition. That makes it useful both as a powerful stereo amplifier and as a building block in premium LCR or bi-amplified systems.
Balanced and Unbalanced Connectivity
Straightforward integration with high-end preamps and processors
Balanced XLR and RCA inputs let the PA240 work with a broad range of stereo preamplifiers and AV processors. Ethernet and RS232 provide installer-friendly control options in rack-based systems.
System Fit and Buying Advice
A power amplifier such as Arcam PA240 Class G should be chosen around the job it is doing in the system. The processor or preamplifier, speaker layout, rack ventilation and cable plan all matter, and multi-channel systems do not necessarily need the same amplifier on every channel.
Key Features
- 2-channel Class G power amplifier
- 225W per channel into 8 ohms, 20Hz-20kHz, 0.2% THD
- Bridgeable to 790W into 8 ohms under Arcam published conditions
- 50W Class A operating region
- Balanced XLR and RCA inputs
- Ethernet and RS232 control
Specifications
| Specification | Details |
|---|---|
| Product type | Stereo Class G power amplifier |
| Stereo output | 2 x 225W into 8 ohms, 20Hz-20kHz, 0.2% THD |
| Bridged output | 1 x 790W into 8 ohms |
| Class A region | Up to 50W |
| Inputs | Balanced XLR and RCA |
| Modes | Stereo, dual-mono and bridged operation |
Detailed Technical Specifications
For those who like to drag out all the useful bits
View full technical specifications
Amplification
- Topology:Class G
- Stereo power:225W per channel into 8 ohms at published full-bandwidth condition
- Bridged power:790W into 8 ohms
- Class A region:50W
Integration
- Inputs:XLR and RCA
- Control:Ethernet and RS232
Important Notes
- Do not compare the PA240 with other amplifiers using headline wattage alone; load, channel count, frequency range and distortion conditions matter.
- Bridged operation changes amplifier/speaker matching requirements and should be planned carefully.
The Audio Experts Take
The PA240 is the Arcam power amplifier we would look at when two channels need substantially more authority than a compact multi-channel amplifier can provide. It works naturally in a high-quality stereo system and can also handle front left/right duties in a cinema built around separate amplification. Speaker matching and configuration are worth discussing with us, particularly if you are considering bridged operation or combining it with other power amps.
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