Crown Microphone SASS P MK II User Manual

POLAR  
PATTERNS  
Low frequencies  
High frequencies  
STEREO PZM  
MICROPHONE  
SASS-P MK II  
®
he Crown SASS-P MK II Stereo Ambi-  
ent Sampling System™ is a patented,  
®
T
stereo condenser microphone using PZM  
technology. It is a mono-compatible, near-coin-  
cident array designed for professional applica-  
tions including:  
Features  
Lightweight and portable.  
Perfect for stereo recording of classical music  
ensembles, E.N.G., sports ambience, audience  
reaction, and sound effects.  
Powered by internal 9V batteries or phantom  
power.  
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  
film ambience  
Sharp, accurate and spacious imaging.  
Mono-compatible.  
Low-cut switch reduces rumble.  
Includes windscreen, handgrip, swivel stand  
adapter, and stand thread adapter.  
Fig. 1  
Specifications  
Diffuse-Field Frequency Response  
stereo sampling for keyboards  
stereo sound effects  
Type: Stereo condenser.  
Element: Electret condenser Pressure Zone Micro-  
pohone.  
Frequency response (typical): 20 Hz to 18,000 Hz in  
a reverberant field. See Fig. 1.  
Polar pattern (each channel): Omnidirectional at low  
frequencies, unidirectional at high frequencies. See  
Fig. 2.  
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.”  
1
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*).  
®
A patented design , the SASS uses a  
®
premium-quality Pressure Zone Microphone  
Frequency in Hz  
for each channel. The PZMs are mounted on  
boundaries (with a foam barrier between them)  
to make each microphone directional.  
Fig. 2  
Power sensitivity: –44 dB re 1 mW/Pa*. –136 dB  
EIA.  
Polar Response  
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 field is precise  
and realistic.  
Equivalent noise level: 20.5 dB SPL typical  
(0 dB=.0002 dyne/cm2), A-weighted.  
S/N ratio: 73.5 dB at 94 dB SPL.  
Maximum SPL: 150 dB SPL at the diaphragm pro-  
duces 3% THD.  
The SASS can accurately convey the ambient  
environment for location recording film-wide  
sound, or synched audio ambience (movement  
of traffic) where movement heard must precise-  
ly match movements in the screen image.  
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.  
A foam barrier/baffle 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 baffle.  
Cable: None supplied; use 2-conductor shielded mic  
cables.  
Connectors: 3-pin professional audio connector (one  
The SASS can be powered in the field by two  
9V batteries, as well as 12-48V phantom power.  
Separate left and right outputs are low-imped-  
ance balanced.  
per channel).  
Switch: Phantom/flat, phantom/low-cut, battery/flat,  
battery/low-cut. Battery off in phantom positions.  
Net weight: 17 ounces (482 grams).  
Dimensions: See Fig. 3.  
Included Accessories: Handgrip, windscreen,  
1 U.S. Patent #4,658,932, Michael Billingsley,  
April 1987.  
5/8-in.-27 to 1/4-in.-20 thread adapter.  
*1 pascal = 10 microbars = 10 dynes/cm2 = 94 dB SPL.  
 

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