FEATURES
• Self-powered
• Linear response
• Extremely low distortion
• Uniform dispersion with
no comb filtering effects
• Phase aligned for near-perfect
impulse response
• Full range output of 136 dB
SPL peak (@ 1 meter)
X-10 High Resolution Linear Control Room Monitor
• PSAC™ (Pressure Sensing
Active Control - patent pending)
• Patented HF driver and
wave guide
• Soffit mount or freestanding
• RMS™ (Remote Monitoring
System) compatible
• X-800 subwoofer option for
extended headroom
Superior
engineering
for the art
and science
of sound.
The Meyer Sound X-10
represents a fundamental
redefinition of large format
studio monitors for the
emerging era of high
resolution digital media.
Powerful, yet relatively
compact, the self-powered
X-10 exhibits extremely low
distortion, near-perfect
impulse response and
uniform dispersion across
a wide listening area.
Also, by employing cuttingedge control technology
adapted from avionics, the
X-10 demonstrates an
extraordinarily linear
response characteristic:
the frequency response
curve does not change
with variations in
monitoring levels. From
the threshold of audibility
up to full output, the
X-10 provides an accurate,
detailed and consistently
linear representation of
the input signal.
To achieve the design
goals of the X-10 project,
Meyer Sound engineers
first confronted the
tradeoffs inherent in
high level reproduction of
low frequencies. Recent
trends in large room
monitors have
emphasized dual 15- or
18-inch woofers. However,
when operating above
250Hz, dual woofers
produce destructive comb
filtering effects. But
placing the LF crossover
below 250Hz normally
requires a three- or fourway system, which in turn
introduces the inevitable
phase distortion
complexities of multiple
crossover points.
In order to achieve
an impulse response
exceeding that of
electrostatics and Meyer's
own patented HD-1 nearfield monitor, Meyer
Sound engineers opted
for a two-way design with
a single LF driver crossing
over at 500Hz. In order
to produce low frequency
output equivalent to dual
woofer designs, Meyer
first developed and
manufactured a new, high
output linear 15-inch
driver. This robust woofer
utilizes a long excursion,
4-inch diameter voice coil
suspended in a high
intensity (1.5 million
Maxwell1) field generated
by dual concentric rings of
w w w . m e y e r s o u n d . c o m
X-10s near-perfect impulse response
Amplitude
Time Window (miliseconds)
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +
6+5 +7
Amplitude
Time Window (miliseconds)
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +
6+5 +7
neodymium magnets. It also employs
a unique suspension to maintain
bass transients move the voice coil
into non-linear regions of the gap.
linear response by holding the voice
coil in linear regions of the gap.
However, even this exceptionally
powerful woofer could not realize the
ambitious goals of the X-10 without
the highly evolved technology of
PSAC (Pressure Sensing Active
Control) . PSAC was developed by
Meyer Sound based on sophisticated
feedback technology that was
originally implemented in hydraulic
control systems for Stealth fighter
aircraft. PSAC employs a pressure
sensing device, placed one inch
in front of the woofer, to track
momentary driver output pressure.
This data feeds into the PSAC
"black box" which compares it to
The product of over two years
of development in Meyer Sound's
anechoic chamber, the X-10 high
frequency system marks a significant
the input signal. Using computermodeled, high-order correction
circuits unavailable a decade ago,
PSAC adjusts the feedback circuit
output–microsecond by microsecond–
and brings the two signals into
virtually perfect alignment. The result
is unprecedented linearity and
precise resolution of low-mid detail
that is usually muddied by
conventional woofers when heavy
1
Maxwells are the product of gauss times area.
A typical electrostatic loudspeaker’s impulse response
2
achievement in the coordinated
design of extremely low distortion
driver and waveguide – both
patented. (The X-10 system
measured significantly lower
distortion than all other units tested
in an extensive analysis of horn/
driver combinations from dozens of
manufactureres.) The X-10 also lacks
the characteristic "horn signature"
of previous similar designs; many
listeners find that the exceptionally
smooth, open response compares
favorably to HF systems employing
soft dome tweeters. The compression
driver, Meyer Sound's own 2010,
features a 4-inch aluminum alloy
diaphragm with optimized dome
topology for higher output levels
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