Meyer Sound UltraSeries Subwoofer USW-1 - Manual (Page 4)

The low frequency speaker system shall
consist of two 15" low frequency loud-
speakers front-mounted in a heavily braced
hardwood-plywood bass-reflex direct-radi-
ating enclosure, and a separate Control
Electronics Unit.
The Control Electronics Unit shall
contain a power supply capable of opera-
ting from a 120/240V AC, 50/60 Hz line, a
master level control, an active crossover
set at 95 Hz, an RMS limiter for speaker
protection, a switchable excursion limiter,
and two active balanced summing inputs.
The Control Electronics Unit shall meet the
following criteria: total harmonic distortion
less than .1%; “A”-weighted noise level
110dB below rated output of +26 dBu.
The speaker system, its companion
Control Electronics Unit, and a power
amplifier rated at 400 watts into 4 ohms
shall meet the following criteria: pressure
sensitivity, 101 dB SPL measured with
1 watt of pink noise, one meter on axis;
frequency response, 40 Hz to 100 Hz plus
or minus 4 dB measured with
1 ⁄
3
octave
pink noise, one meter on axis; output of
130 dB SPL one meter on axis with peaks
of 135 dB SPL when driven with weighted
noise. Total harmonic distortion shall
be less than 3% at 130 dB SPL one meter
on axis at 60 Hz.
Speaker enclosure dimensions are
31" W x 21 1 ⁄
2
" H x 21 1 ⁄
2
" D with grill frame
and foam, weight 115 lbs (52.2 kg).
Control Electronics Unit dimensions
are 19" W x 1 3 ⁄
4
" H x 7 3 ⁄
4
" D, weight 8 lbs
(3.6 kg).
The speaker system shall be the Meyer
Sound USW-1.
The Control Electronics Unit shall be
the Meyer Sound B-2EX.
© 1994 Meyer Sound 04056036.01C2
Meyer Sound Laboratories has
devoted itself to designing,
manufacturing, and refining com-
ponents that deliver superb sonic
reproduction. Every part of every
component is designed and built to
exacting specifications and
undergoes rigorous, comprehensive
testing in the laboratories.
Research remains an integral,
driving force behind all production.
Meyer strives for sound quality that is
predictable and neutral over an
extended lifetime and across an
extended range.
Architectural and
Engineering Specifications USW-1/B-2EX
Sound
engineering
for the art
and science
of sound.
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
(510) 486-1166
FAX (510) 486-8356