Avsl 953.150UK Benutzerhandbuch - Seite 4
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Line output
Further amplifiers or even a recording device can be connected from the LINE OUT XLR connector (24).
This output carries the full mix of all channels, including the media player, as fed to the speakers.
Speaker outputs
Each SA-series amplifier can be used with standard low
impedance speakers (8Ω load) or 100V line speakers.
Only one type of speaker may be used, so it is important to
decide which method will be used at the start.
Standard low impedance speakers
For standard low impedance speakers, connect the "8Ω" terminal
(26) to the positive (+) speaker connection and "COM" terminal
(27) to the negative (-) speaker connection.
It is important to ensure that the total combined speaker load is
no less than 8Ω and that the combined power handling of the
speakers is equal to or greater than the output power of the amp.
(e.g. Four 8Ω speakers connected in series-parallel formation,
as shown opposite for a 240W amplifier, will combine to make an
overall 8Ω load)
100V line systems
For 100V or 70V line systems, connect the amplifier to the first speaker in the system using double-insulated
speaker wire which has adequate current rating to handle the total output of the amplifier.
Connect the "100V" (28) output terminal to the positive (+) connection of the speaker and "COM" output (27)
to the negative (-) connection of the speaker. Connect further speakers in parallel to the first speaker with all
positive terminals connected together and all negative terminals connected together as shown below.
This example would be for a 240W model, but the same principle applies for 60W or 120W accordingly.
A 100V line speaker system can comprise of many speakers connected together. The determining factor for
how many speakers can be powered from a single amplifier is the power rating. For most purposes, it is
advised to connect as many speakers as needed with a combined wattage of no more than 90% of the
amplifier's output power rating.
The terminals of a 100V speaker are connected to a transformer and in some cases, this transformer may be
"tapped" for different power ratings. These tappings can be used to adjust the wattage (and output volume)
of each speaker in the system to help achieve the ideal total power of the system for the amplifier.
!! Do not use 8Ω and 100V at the same time and only connect to the correct terminals for the speaker type !!
SA-series User Manual