Balanced Armature Driver SWFK-31736-000 Dual Tweeter Product Data Sheet Product Features: Tuned for high frequency detail HD Audio to 40kHz Small size RoHS compliant Outline Drawing mm (inches) Ordering Information: Phone: (630) 250-5100 Knowles Model Number: SWFK-31736-000 Fax: (630) 250-0575 1151 Maplewood Drive info knowles.com Itasca, Illinois 60143 knowles.comBalanced Armature Driver SWFK-31736-000 Dual Tweeter Frequency Response and THD Impedance and Saturation SPL Testing Conditions Typical Performance at 1kHz Impedance 6.9 Ohms using 100mV rms drive signal Sensitivity to 100mV 102 dB SPL IEC60318-4 (711) coupler with DB2012 adapter Sensitivity to 1mW 100 dB SPL G.R.A.S. 43BA-2 (0.4cc) with baffle adapter a Max SPL 114 dB SPL THD THD at 94dB SPL 0.2 % THD at 100dB SPL 0.2 % Footnotes: a SPL at 10% THD Note: Ask about cust om assembly options (lead wires, customer-specified materials, etc.) To prevent heat damage, follow soldering guidelines in application note AN13 (knowles.com) Measurement data for reference only. Refer to model specification for full dimensions and performance. Ordering Information: Phone: (630) 250-5100 Knowles Model Number: SWFK-31736-000 Fax: (630) 250-0575 1151 Maplewood Drive info knowles.com Itasca, Illinois 60143 knowles.com