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HS Series – HS1400/800 Operating Instructions
Connecting To Your Amplifier: Speaker Outputs
The speaker outputs are via binding posts which are also capable of taking 4mm banana
plugs. Always use cable capable of handling the currents of the amplifier. Thin cables will not
only result in power loss and audio quality degradation, but could cause a fire risk
There must be no shared connections between channels.
As the currents involved are very high, and to ensure best performance, the speaker cables
should be kept as short as possible and conform to the following minimum requirements:
HS800, 12A into 4 Ohm speaker loads
HS1400, 16A into 4 Ohm speaker loads
Do not connect the inputs/outputs to any other voltage source such as a battery, mains source
or power supply, regardless of whether the amplifier is turned on or off.
Do not run the output of any amplifier channel back into another channel's input and do not
parallel or series-connect an amplifier output with any other amplifier output.
Connecting To Your Amplifier: Bridged (Mono) Operation
Although bridged mode is possible (into 8 ohm loads or greater) it is not recommended due to
the inherent quality reduction associated with bridged use of any amplifier.
Supply signal to Channel A input only and push in the rear panel switch marked "Bridged
Mono".
Use channel B +ve output and channel A —ve output terminals, and connect as follows:
Ch. B +: Hot
Ch. A-: Cold
When operating in bridged mode, the minimum impedances are doubled.
The minimum load in bridged mode is 8 Ohms.
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