radiation SERIES Actual Size Magnetic receiver Kno

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radiation SERIES Actual Size Magnetic receiver Kno

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radiation
SERIES
Actual Size
Magnetic receiver
Knowles receiver
distortion Highest output non-amplified
(balanced armature type)
Same size series Ideal applications Self-shielded reduce magnetic 3-terminal versions Class ready
Typical Response
SENSITIVITY RELATIVE 20µPa
CI-2746
1000 10000
FREQUENCY HERTZ
Response measured using 28mm 1.5mm 25mm 18mm tubing into 2cm3 cavity.
data sheet
Specification Data
Series
Performance
Response/Sensitivity curve, page Sensitivity Range ±3dB 500Hz Total Harmonic Distortion 3.5% typical 500Hz, nominal drive Temperature Range operating: -17°C 63°C storage: -40°C 63°C Acoustic Polarity 2-terminal: positive going voltage terminal relative terminal causes increase pressure sound outlet 3-terminal: positive going voltage terminal relative center-tap terminal negative going voltage terminal relative center terminal, causes increase pressure sound outlet
Mechanical
Weight gram Dimensions outline drawings, pages Case Material 80Ni20Fe Solder Content Sn60Pb40 Base: ET-3042 Nest Plate: ET-803 Back Plate: ET-900
Optional Soldering Fixture
Saturation
Output 500Hz Maximum Output
1000 FREQUENCY HERTZ 10000
Model Variations
Series
Model
CI-2746 CI-2748 CI-2762 CI-2764 CI-2776 CI-2955 CI-2960 CI-8203 CI-8204 CI-8220 CI-8222 CI-8226 CI-8267 CI-8268 CI-8329 CI-8348 CI-8352 CI-8409 CI-8434
Port Location
Number Terminals
Impedance 500Hz
Nominal Impedance* (ohms, ±15%)
Nominal Resistance (ohms, ±10%)
Drive RMS)
2.40 2.00 2.40 2.00 3.75 3.75 1.60 2.00 1.60 3.75 1.60 2.00 2.00 2.40 2.40 1.00 3.75 1.60 3.18
*Impedances quoted geometric average 1kHz, 1.6kHz 2.5kHz. NOTE: models have zero bias undamped frequency response.
2-Terminal Signal Port Locations
Dimensions millimeters (inches)
3-Terminal Signal Port Locations
OUTER DIAMETER
Dimensions millimeters (inches)
Knowles Electronics, Inc. 1151 Maplewood Drive Itasca, Illinois 60143 Phone: (630) 250-5100 Fax: (630) 250-0575 www.knowles.com Knowles Electronics Japan Kyodo Bloom Building 19-1 Miyasaka 2-Chome Setagaya-Ku, Tokyo 156-0051, Japan Phone: (81) 3439 1151 Fax: (81) 3439 8822 Knowles Europe York Road, Burgess Hill West Sussex, RH15 9TT, England Phone: (44) 1444 235432 Fax: (44) 1444 248724 Micromax Pty. Ltd. P.O. 1238 Wollongong N.S.W. 2500, Australia Phone: (61) 4226 6777 Fax: (61) 4226 6602 Knowles Electronics Taiwan, Ltd. Hsing Road Hsin Tien City, Taipei, Taiwan Republic China Phone: (886) 2911 4931 Fax: (886) 2918 6868
NOTE: Specifications subject change without notice. information this Data Sheet reflects typical applications. Specific test specifications defining each model available requesting Outline Drawing Sheets Performance Specifications Sheets that model number. Knowles' responsibility limited compliance with Outline Drawing Performance Specification application subject model time manufacture.
Knowles Electronics, Inc.
01-0201

radiation SERIES Actual Size Magnetic receiver Kno

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