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STEREO PZM
MICROPHONE
SASS-P MK II
Specifi cations
Type: Stereo condenser.
Element: Electret condenser Pressure Zone Micro-
pohone.
Frequency response (typical): 20 Hz to 18,000 Hz in
a reverberant fi eld. See Fig. 1.
Polar pattern (each channel): Omnidirectional at low
frequencies, unidirectional at high frequencies. See
Fig. 2.
Impedance: 150 ohms rated (240 ohms actual), bal-
anced. Recommended minimum load impedance
1000 ohms.
Open-circuit sensitivity: 6.0 mV/Pa* (–44.5 dB re
1 volt/Pa*).
Power sensitivity: –44 dB re 1 mW/Pa*. –136 dB
EIA.
Equivalent noise level: 20.5 dB SPL typical
(0 dB=.0002 dyne/cm
2
), A-weighted.
S/N ratio: 73.5 dB at 94 dB SPL.
Maximum SPL: 150 dB SPL at the diaphragm pro-
duces 3% THD.
Polarity: Positive pressure on the diaphragm pro-
duces a positive voltage on pin 2 with respect to
pin 3 of the output connector.
Operating voltage: Standard phantom power, 12 to
48 volts DC, positive voltage on pins 2 and 3 with
respect to pin 1 of the output connector. Or two 9
V alkaline batteries (Mallory Duracell MN1604 or
equivalent).
Current drain: 1.1 mA per channel.
Material: Molded high-impact plastic.
Finish: Satin black and charcoal grey.
Cable: None supplied; use 2-conductor shielded mic
cables.
Connectors: 3-pin professional audio connector (one
per channel).
Switch: Phantom/fl at, phantom/low-cut, battery/fl at,
battery/low-cut. Battery off in phantom positions.
Net weight: 17 ounces (482 grams).
Dimensions: See Fig. 3.
Included Accessories: Handgrip, windscreen,
5/8-in.-27 to 1/4-in.-20 thread adapter.
Fig. 1
Frequency in Hz
Fig. 2
T
he Crown
®
SASS-P MK II Stereo Ambi-
ent Sampling System™ is a patented,
stereo condenser microphone using PZM
®
technology. It is a mono-compatible, near-coin-
cident array designed for professional applica-
tions including:
classical-music recording (acoustic en-
sembles)
stereo electronic news gathering (E.N.G.)
sports ambience and crowd reaction
recording worship services
televised theatre and dance
fi lm ambience
stereo sampling for keyboards
stereo sound effects
recording studios and live sound
Compared to its predecessor the SASS-P, the
SASS-P MK
II provides a warmer, smoother
sound with more high-frequency brilliance
(“air”) and less midrange “hardness.”
A patented design
1
, the SASS
®
uses a
premium-quality Pressure Zone Microphone
®
for each channel. The PZMs are mounted on
boundaries (with a foam barrier between them)
to make each microphone directional.
The carefully controlled polar patterns and
human-head-sized spacing between capsules
create extremely well-focused, natural stereo
imaging with no “hole in the middle.” Overall,
the reproduction of the sound fi eld is precise
and realistic.
The SASS can accurately convey the ambient
environment for location recording fi lm-wide
sound, or synched audio ambience (movement
of traffi c) where movement heard must precise-
ly match movements in the screen image.
A foam barrier/baffl e between the capsules
shapes the pickup angle of each capsule in the
front, and limits overlap of the two sides at
higher frequencies. Although the mic capsules
are spaced a few centimeters apart, there is
little phase cancellation when both channels are
combined to mono because of the shadowing
effect of the baffl e.
The SASS can be powered in the fi eld by two
9V batteries, as well as 12-48V phantom power.
Separate left and right outputs are low-imped-
ance balanced.
*1 pascal = 10 microbars = 10 dynes/cm
2
= 94 dB SPL.
1
U.S. Patent #4,658,932, Michael Billingsley,
April 1987.
Features
Perfect for stereo recording of classical music
ensembles, E.N.G., sports ambience, audience
reaction, and sound effects.
Sharp, accurate and spacious imaging.
Mono-compatible.
Lightweight and portable.
Powered by internal 9V batteries or phantom
power.
Low-cut switch reduces rumble
.
Includes windscreen, handgrip, swivel stand
adapter, and stand thread adapter.
POLAR
PATTERNS