Additional Resources: Product Page 3D Model date 03/23/2020 page 1 of 3 MODEL: GF0661M DESCRIPTION: SPEAKER FEATURES 66 mm round frame 0.5 W 8 ferrite magnet mylar cone SPECIFICATIONS parameter conditions/description min typ max units input power 0.5 1.0 W impedance at 0.8 kHz, 1.0 V 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 344 430 516 Hz frequency response Fo 10,000 Hz sound pressure level at 0.5 W, 50 cm, avg at 1.0, 1.4, 1.7, 2.0 kHz 85 88 91 dB buzz, rattle, etc. must be normal at sine wave 2.0 V dimensions 66 x 20 mm magnet ferrite cone material mylar terminal solder eyelets weight 57.0 g operating temperature -25 60 C hand soldering for maximum 3 seconds 360 380 400 C RoHS yes cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: GF0661M DESCRIPTION: SPEAKER date 03/23/2020 page 2 of 3 MECHANICAL DRAWING units: mm 60.00 tolerance: 0.8 mm 32.00 20.00 8.00 0.5 3.00 + 66.00 - FREQUENCY RESPONSE CURVE parameter conditions/description potentiometer range 50 dB rectifier RMS lower limit frequency 20 Hz wr. speed 100 mm/sec zero level 60 dB cuidevices.com