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9
Full-Range Systems
Meyer Speaker Types
The following Meyer speakers are mentioned in the
example applications.
MSL-4 Self-powered mid-hi speaker
MTS-4 Self-powered full-range speaker
MSL-3A Externally amplified mid-hi speaker
The Meyer self-powered speakers listed above have a
loop connection to send the input signal to another
speaker. Full-range signals may be applied to all Meyer
self-powered subwoofers because they have built-in
active crossovers that filter mid-hi frequencies.
PSW-4 and MTS-4
Combining the PSW-4 with the MTS-4 doubles the low
frequency power of the system because both loudspeak-
ers contain the same sub and low drivers. Due to the
summation between the PSW-4 and the MTS-4, the
system frequency response exhibits a rise in the range
30–160 Hz. It is important to emphasize that the speakers
are in phase in this region. This rise can be corrected
using the Meyer CP-10 Parametric Equalizer, if desired.
PSW-4
input
loop
MTS-4
CP-10 EQ
(1 Channel)
Set the MTS-4 and PSW-4 to the same polarity.
PSW-4, MSL-4, with LD-1A
The PSW-4 performs efficiently with the MSL-4 but their
overlap in frequency response causes a rise in the
system frequency response in the range 65–160 Hz. This
rise can be eliminated by activating the Lo Cut filter for
the Mid-Hi output on the LD-1A, if desired.
Although a typical MSL-4 : PSW-4 ratio is 2:1, separate
Sub and Mid-Hi level controls on the LD-1A allow the
ratio to vary while maintaining control of the spectral
balance of the system.
Mid-Hi
Sub
MSL-4
PSW-4
LD-1A
Line Driver
Set the MSL-4 and PSW-4 to the same polarity.