EN HANDBOOK POWER AMPLIFIER PA720 / PA240 / PA410
Safety Guidelines Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
EN FCC Information(for US customers) PRODUCT This product complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and Safety Information (for European customers) Avoid high temperatures. Allow for sufficient heat dispersion when installed in a rack. Handle the power cord carefully. Hold the plug when unplugging the cord. 2.
Welcome Thank you and congratulations... ...for purchasing your Arcam PA720, PA240 or PA410 power amplifier. Arcam has been producing specialist audio products of remarkable quality for over four decades and the new PA720, PA240 and PA410 power amplifiers are the latest in a long line of award-winning Hi-Fi.
EN Contents Safety Guidelines EN-2 Front Panel Connections and Controls EN-11 Welcome EN-4 Overview Placing The Unit Interconnect Cables Power EN-6 EN-6 EN-6 EN-6 Rear Panel Connections and Controls PA720 EN-7 Operation Switching On Automatic Standby Network and RS322 in Standby Muting the Output Mode switches EN-12 EN-12 EN-12 EN-12 EN-12 EN-12 Rear Panel Connections and Controls PA240 EN-8 Rear Panel Connections and Controls PA410 EN-9 Control System Connections Network and RS232 USB Trigg
Overview Arcam’s PA720, PA240 and PA410 amplifiers Arcam’s PA720, PA240 and PA410 power amplifiers provide class leading sound quality for the best reproduction of your music. POWER AMPLIFIER Drawing on the many years of amplifier design experience at Arcam, these products use the best quality components and engineering practice to produce amplifiers that will give many years of musical pleasure and reliable service.
Rear Panel Connections and Controls PA720 BALANCED XLR AUDIO INPUTS Connect the XLR outputs of your preamplifier. See “Connecting Sources and Loudspeakers” on page EN-13. INPUT SWITCHES Allow the PA720 to be configured to different input types See “Connecting Sources and Loudspeakers” on page EN-13. IN7 IN7 IN6 IN5 IN4 IN3 IN2 IN6 TRIGGER IN / OUT Trigger IN allows the PA720 to be turned on or off by an external source.
Rear Panel Connections and Controls PA240 BALANCED XLR AUDIO INPUTS Connect the XLR outputs of your preamplifier. See “Connecting Sources and Loudspeakers” on page EN-13. INPUT SWITCHES Allow the PA240 to be configured in different operational modes. See “Connecting Sources and Loudspeakers” on page EN-13. INR INR USB For software upgrades only. See “USB” on page EN-10.
Rear Panel Connections and Controls PA410 EN RS232 This connection allows for remote control VOLTAGE SELECT from a third-party home automation Ensure that the voltage system or computer. selected matches the local See “Network and RS232” on page EN-10. power supply. TRIGGER IN / OUT Trigger IN allows the PA410 to be turned on or off by an external source. Trigger OUT allows the PA410 to control the power state of other connected equipment See “Trigger IN/OUT” on page EN-10.
Control System Connections AV GAME STB/MHL BD SAT HDMI Z2 OUT STB AV GAME BD PVR CD SAT PVR VCR PVR ZONE 2 OUT DIGITAL AUDIO L ETHERNET FM/DAB DC 6V 1.
Front Panel Connections and Controls EN POWER INDICATOR AND POWER SWITCH See “Switching On” on page EN-12. POWER AMPLIFIER POWER PA720 MUTE STANDBY MUTE Mute / unmute the PA720, PA240 or PA410 speaker outputs. See “Muting the Output” on page EN-12. EN-11 UNIT STANDBY See “Switching On” on page EN-12.
Operation Switching On Network and RS322 in Standby Muting the Output Mode switches The POWER button switches the unit on and off. The status indicator LED indicates the state of the amplifier: it changes from red to orange then white if mains power is connected and the unit is switched on. In low power standby mode the network and RS322 functionality is disabled.
Connecting Sources and Loudspeakers AV860 AV GAME STB/MHL BD SAT HDMI Z2 OUT STB BD AV GAME PVR CD SAT ZONE 2 OUT PVR VCR DIGITAL AUDIO PVR L ETHERNET FM/DAB DC 6V 1.
AV GAME STB/MHL Note: Unit should be connected via RCA or XLR. Both versions shown for illustrative purposes only. BD SAT HDMI Z2 OUT STB GAME AV BD PVR CD SAT PVR ZONE 2 OUT PVR VCR OUTPUT 2 DIGITAL AUDIO L ETHERNET FM/DAB DC 6V 1.2A MAX USB 5V 1A R ANALOGUE AUDIO BD CD 23425 OUTPUT 1 ARC STB AV TRIG Z1 Z1 IR TRIG Z2 Z2 IR RS232 HEIGHT1 HEIGHT2 PA240 L FL Connect the RED positive speaker terminal labelled L+ to the positive terminal of your speaker.
AV GAME STB/MHL BD SAT HDMI Z2 OUT STB BD AV GAME PVR CD SAT PVR ZONE 2 OUT PVR VCR DIGITAL AUDIO L ETHERNET R PA410 ANALOGUE AUDIO AV860 Connect the RED positive speaker terminal labelled CH1 to CH4+ to the positive terminal of your speaker. Similarly, connect the BLACK negative speaker terminal of the same channel- to the negative terminal of your speaker. FM/DAB DC 6V 1.
Bridged Mono Mode - PA240 only Bridged mono mode requires the use of a PA240 for each channel. Note: In bridged mode only the L+ and R+ speaker outputs are required. WARNING: Do not make any connections to the L- or R- speaker terminals, doing so will severely damage your amplifier. On one of the PA240’s, connect the RED positive speaker terminal labelled L+ to the positive terminal of your left speaker. Connect the RED positive speaker terminal labelled R+ to the negative terminal of your left speaker.
Dual Mono / Bi Amp Mode - PA240 only Dual mono requires the use of a PA240 for each channel. On one of the PA240’s, connect the RED positive speaker terminal labelled L+ to the positive LF terminal of your left speaker. Similarly, connect the BLACK negative speaker terminal labelled L- to the negative LF terminal of your left speaker. EN Using a second speaker cable connect the RED positive speaker terminal labelled R+ to the positive HF terminal of your left speaker.
Troubleshooting Problem No sound Check the following The PA720 / PA240 / PA410 power amplifier is correctly plugged in and switched on. Your audio/video source (e.g. pre amplifier) is correctly connected. The PA720 / PA240 / PA410 is not in protection mode, as described in the next section. The PA720, PA240 and PA410 is not muted. Sound cuts-out unexpectedly The PA720 / PA240 / PA410 may enter a protection mode, depending on the fault being detected.
Specifications EN PA720 Continuouspoweroutputat0.2%THDperchannel Seven channels driven, 4Ω / 8Ω, 1kHz 140W / 100W Five channels driven, 4Ω / 8Ω, 1kHz 175W / 110W Two channels driven, 4Ω / 8Ω, 1kHz 225W / 140W Harmonic distortion, 80% power, 8Ω at 1kHz 0.002% Inputs Input sensitivity 100W / 8Ω RCA Type XLR Type 800mV RMS 1.6V RMS Signal/Noise ratio (A-wtd) 100W / 8Ω 112dB Input impedance 10kΩ Frequency response 20 - 20kHz +/-0.
PA240 Continuouspoweroutputat0.2%THDperchannel Two channels driven, 4Ω / 8Ω, 1kHz 380W / 225W One channel driven, 8Ω bridged mode, 1kHz 790W Harmonic distortion, 80% power, 8Ω at 1kHz 0.001% Inputs RCA Type Input sensitivity 200W / 8Ω XLR Type 31dB 25dB 31dB 25dB 1.15V RMS 2.3V RMS 2.3V RMS 4.6V RMS 110dB 114dB 110dB 114dB Signal/Noise ratio (A-wtd) 10W / 8Ω Input impedance 10kΩ Frequency response 20 - 20kHz +/-0.
EN PA410 Continuouspoweroutputatat0.2%THD,perchannel Four channels driven, 4Ω / 8Ω, 1kHz 70W / 50W Two channels driven, 4Ω / 8Ω, 1kHz 90W / 60W Harmonic distortion, 80% power, 8Ω at 1kHz 0.003% Inputs Input sensitivity 50W / 8Ω 560mV RMS Signal/Noise ratio (A-wtd) 50W / 8Ω 106dB Input impedance 10kΩ Frequency response 20 - 20kHz +/-0.2dB General Mains voltage 110–120V or 220–240V, 50–60Hz Maximum power consumption 700W Low power standby consumption 0.
Worldwide Guarantee This entitles you to have the unit repaired free of charge, during the first five years after purchase, provided that it was originally purchased from an authorised Arcam dealer. The Arcam dealer is responsible for all after-sales service.
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