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AKTIV operation
The AKURATE 242, 225 and 212 speakers can be either passively or actively
driven. In a passive system, the output from a power amplifier is passed
through the crossovers housed in the loudspeakers. This results in a certain
loss of audio signal as some of the energy in the signal is absorbed by the
crossover circuitry. In an active system, or in Linn terms - AKTIV system, the
crossover circuitry is placed before the power amplifier instead. After passing
through the crossover, the signal is amplified and sent to the drive units in the
speaker, bypassing the speaker’s crossover and therefore not losing that bit of
energy. This results in significantly improved audio performance.
AKURATE speakers are shipped in a passive configuration. If you wish to run
your speakers actively, you must have one Linn power amplifier channel for
each drive unit in the speakers and each amplifier must be fitted with the
correct AKTIV crossovers (contact your Linn retailer for further information).
The last step is to convert your AKURATE speakers from passive to active.
Your Linn retailer will do this for you.
The Bass Boost feature (see left) is not available if a speaker is being actively
driven.
Note:
The AKURATE 242, 225 and 212 speakers can be driven partially active, i.e.
either the 3-K Array or the bass driver(s) can be actively driven.
IIMMPPOORRTTAANNTT NNOOTTEESS OONN AAKKTTIIVV SSYYSSTTEEMMSS
DDoo nnoott uussee yyoouurr aammpplliiffiieerrss wwiitthh aannyy ootthheerr lloouuddssppeeaakkeerrss
– you may damage the
loudspeakers.
DDoo nnoott uussee yyoouurr lloouuddssppeeaakkeerrss wwiitthh aannyy ootthheerr aammpplliiffiieerrss
– their internal
crossovers will be bypassed and the drivers could be severely damaged.
DDoo nnoott uussee tthhee tteerrmmiinnaall lliinnkk ssttrriippss
– they can only be used in a passive system.
8
AKURATE Loudspeaker System
Owner’s Manual
AKURATE 242, 225 and 212
English
Bass Boost (AKURATE 242 and 225 only)
Depending on the position of the speakers in your room, or room acoustics, you
may wish to boost the lower bass frequencies (those under 200 Hz). This is
done by connecting the output from a power amplifier to the BASS BOOST
terminals on the rear panel.
IIff yyoouu aarree bbii--wwiirriinngg
Fit the four-hole link strips to the top four positive (+) and
minus (–) terminals. Connect one pair of speaker cables from the amplifier to
the linked terminals and the other pair to the BASS BOOST terminals.
IIff yyoouu aarree bbii--aammppiinngg
Fit the three-hole link strips to the top three positive (+)
and minus (–) terminals. Connect one pair of speaker cables from one amplifier
channel to the linked terminals, and bi-wire from the second amplifier channel
to the UPPER BASS and BASS BOOST terminals.
IIff yyoouu aarree ttrrii--wwiirriinngg
Fit the three-hole link strips to the top three positive (+)
and minus (–) terminals. Connect one pair of speaker cables from the amplifier
to the linked terminals, a further pair to the UPPER BASS terminals and the
remaining pair to the BASS BOOST terminals.
IIff yyoouu aarree ttrrii--aammppiinngg
Fit the two-hole link strips to the top two positive (+) and
minus (–) terminals. Connect a pair of speaker cables from one amplifier
channel to the linked terminals, a pair from another amplifier channel to the
MID terminals and bi-wire from the remaining amplifier channel to the UPPER
BASS and BASS BOOST terminals.
Note:
If you are using four or five amplifier channels per speaker you do not need to
use any of the link strips.