For more information, please visit the product page. date 10/02/2013 page 1 of 3 MODEL: GF0778B │ DESCRIPTION: SPEAKER FEATURES • square frame • S.P. Level (db) 95 • paper cone RoHS SPECIFICATIONS parameter conditions/description min nominal size typ max 77 units mm impedance at 0.8 kHz, 1 V 6.8 8 9.2 Ω resonant frequency at 1 V 200 250 300 Hz sound pressure level 1 W, 50 cm ave., at 0.5, 0.6, 0.8, 1 kHz 92 95 98 dB response 10 dB max. Fo 15,000 Hz 5 W input power 3 operation must be normal at program source buzz, rattle, etc. must be normal at sine wave 3 W 4.89 Vdc 3 W magnet size: 45 x 22 x 8 mm load test 48 hours of white noise at heat test 20 ~ 50% RH for 48 hours 68 70 72 °C humidity test 90 ~ 95% RH for 48 hours 38 40 42 °C RoHS yes FREQUENCY RESPONSE CURVE parameter conditions/description potentiometer range 50 dB rectifier RMS lower limit frequency 20 Hz wr. speed 100 mm/sec zero level 70 dB cui.com For more information, please visit the product page. CUI Inc │ MODEL: GF0778B │ DESCRIPTION: SPEAKER date 10/02/2013 │ page 2 of 3 MECHANICAL DRAWING units: mm tolerance: ±0.5 mm 77.0 3.031 68.5 2.697 45.0 1.772 30.5 1.201 1 17.0 0.669 0.5 3.0 0.118 5.0 0.197 0.1 (4 PLCS) 4.45 0.175 (+) 61.0 2.402 0.5 (-) 2.80 0.110 61.0 2.402 cui.com For more information, please visit the product page. CUI Inc │ MODEL: GF0778B │ DESCRIPTION: SPEAKER date 10/02/2013 │ page 3 of 3 REVISION HISTORY rev. description date 1.0 initial release 09/18/2006 1.01 applied new template 02/14/2012 1.02 updated height, updated solder tabs and mounting holes 10/02/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.