Installation
FC (Floor Correction) switch
The AC-M1 features the Floor Correction function which minimizes the influence of reflected waves produced
when the speaker is directly installed on the floor.
When a floor monitor speaker is used, direct sound (A) and reflected sound (B) are both heard simultaneously
at the listening point, as shown in Fig. 1, while both sounds are combined into one frequency response. The
reflected sound produces dips (a drop in SPL at the specified frequency) in the frequency response. The AC
-M1 has an internal equalizer to correct the dips for the best possible sound reproduction. Usually set the FC
switch to IN.
Fig. 1
When using the speaker installed on the table (far from the floor) as shown in Fig. 2, set the FC switch to OUT.
Fig.
2
(1) Refer to "Operating instructions of the SR-M1/SR-M2" on connection diagrams with the speakers
and power amplifiers.
(2) When driving two parallel-connected speakers, the amplifier output power must be at least 450W
(at 4 ohm load).
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