TWFK-30195-000 KNOWLES | Alldatasheet

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3540, 05 -| 2 -— 1,590, 05 TWFK-30195-000 1053+ 002] (063+ 002] SHT 1.1 | y - aa NOTES tot [Ha positive GOING VOLTAGE AT TERMINAL 2 5, 0040, 03 RELATIVE TO TERMINAL I, CAUSES A DECREASE U.197+.001] N PRESSURE AT THE SOUND OUTLET | [> Locate FROM TWO SURFACES FOR CUSTOMER ——- CONVENIENCE. ONLY APPLICABLE FROM ONE miei SURFACE, NOT TO BE USED TOGETHER 110754 .0015) -1,41£0,04 / (0555400151 / OUTER DIAMETER ef be 1 2740,05 / cn ak 1,120,059 (000. 002) / eh <O 044+ 002] p / ! seat 002) Oyj == | f (SN | \\ MAXIMUM [> teainat i ‘TERMINAL 2 SOLDER BUILDUP (NEGATIVE) (POSITIVE)

2 Luwuseo TERMINAL

YY BACK VENT AFTER FINAL. TEST SCALE 2:1 anes ee ; DIMENSIONS IN MILLIMETERS CLINCHES] Active C Te 1 mn mE KNOWLES ELECTRONICS T SCALE DRA et DO NOT SCALE DRAWING ce wn ITASCA, ILLINOIS U.S.A. ap 5 y-py ‘ ue RECEIVER TWFK-30195-000 }o% 2-1 OUTLINE DRAWING SHT 1.1

MAGNETIC BALANCED ARMATURE RECEIVERS INTENDED FOR USE AS THE HIGH AND LOW FREQUENCY DRIVERS IN A Hi Fi SYSTEM THE TWFK IS A TYPE | DAMPING TWFK-30195-000 WIDEBAND FK AND FK RECEIVER PAIR WITH AN EXTENDED HIGH FREQUENCY FYFE fF DAMPING RESPONSE AND SHOCK PROTECTION. UNIT INCLUDES PRE-ATTACHED CROSSOVER SHEET 2.1 CAPACITOR, FK RECEIVER VENTED THROUGH UNUSED TERMINAL NOTE: SPECIFICATIONS FOLLOWED BY AN ASTERISK (#) ARE 100% TESTED CONSTANT VOLTAGE DRIVE CONDITIONS (WITH VENT BLOCKED) 110 4B ee ee 5 105 e Y -t is Sa ce 80 2S 15 \\ 2 3 4 5 6 7189 2 3 4 5 6 789 100 1000 10000 FREQUENCY IN HERTZ ACOUSTICAL SENSITIVITY® DEVICE WILL PRODUCE THE SPL LISTED BELOW UNDER TEST CONDITION IN TABLE 3 NOMINAL SENSITIVITY AT [kHz IS dB RELATIVE TO 20 pPa. ALL OTHER VALUES N dB RELATIVE TO THE SENSITIVITY AT [kHz FREQUENCY (Hz) [MINIMUM NOMINAL MAXIMUM 200 -1.0 +2.0 +5.0 MECHANICAL on Lo Ho 3 PORT LOCATION: 128

1000 SOLDER TYPES SACGOS

4500 -5.0 a __- TEMPERATURE 555 655 Seno: MORE THAN 3 dB FROM 5550-6550 73.5 70.5 #2.5 BY MORE THAN +3 dB FROM TABLE | OPC TO 63°C STORAGE: -40°C TO 63°C TOTAL HARMONIC DISTORTION® DEVICE WILL NOT EXCEED TOTAL HARMONIC DISTORTION LEVELS LISTED BELOW [9300246 Cs 400 TABLE 2 TEST CONDITIONS 0. 22yF CAPACITOR CONNECTED TO THE INPUT OF THE WBFK RECEIVER NOMINAL SOURCE VOLTAGE 0.246 Vrms, 0 V DC BIAS SOURCE IMPEDANCE <1 Ohm TUBING 10mm [.394"] LONG, Imm [.039"] 1.D COUPLER CAVITY 2 Cw?, SIMULATED ANSI $3.7 TYPE HA-3 (IEC 126) TABLE 3 a as] (TTP) ELECTRICAL LY Ca) se peeyerane 200 Ohms + 10%# DC RESISTANCE 200 Ohms FK / 50 Ohms WBFK a wal IMPEDANCE @ 500 Hz 243 Ohms + 15%e a N (-} IMPEDANCE @ IkHz 353 Ohms 15% ie 3 ‘s) TABLE 4 ISOLATION: CASE WILL BE ELECTRICALLY ISOLATED FROM THE COIL CIRCUIT po . Active C WHEN TEST LIMITS ARE USED TO ESTABLISH INCOMING INSPECTION ACCEPTANCE/REJECTION CRITERIA, CORRELATION OF TEST EQUIPMENT WITH KNOWLES IS ALSO REQUIRED FOR ELIMINATION OF EQUIPMENT AND TEST METHOD VARIATION CRG 8-16-07 KNOWLES ELECTRONICS ITASCA, ILLINOIS U.S.A. ™ RECEIVER TWFK-30195-000 [2220-01 PERFORMANCE SPECIFICATION SHT 2.1