1"- 32W
Compression Driver CD 78.26/245 TW 8 Ω Code Z009442
GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 78 mm Nominal Voice Coil Diameter .............. 25 mm Magnet Weight ............................... 245 g Flux Density................................... 1.56 T Weight ......................................... 0.60 Kg
ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 32 Rated Power* .................................. 16 Sensitivity @ 1 W, 1 m ....................... 105.5
43
THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 6.30 Ω Resonance Frequency ............... fs 1500 Hz Voice Coil Inductance @ 1kHz ..... LE 0.72 mH
Ω W W dB
CONSTRUCTIVE CHARACTERISTICS Magnet................................. Ferrite Voice Coil Winding................... Copper Voice Coil Former.................... Kapton Voice Coil Winding Height .......... 1.7mm Diaphragm ............................ Tri-acetate Film Air Gap Height........................ 2 mm Ferrofluid in Air Gap ................ No Throat Diameter ..................... 25 mm Horn.................................... ---
Ø72
67
NOTES
78
n°4 holes Ø4.5 on Ø95
52 78 *rated power measured with 2 hours test with continuous pink noise signal, 6 dB crest factor, HP filter 3kHz-12dB/Oct
Free Air Frequency Response with 6x8 inches horn @ 1 W, 1 m – Impedance (without horn) +120
500
+115 +110
200
+105 100 +100 d B S P L
+95
50
+90
Ω
+85
20
+80 10
+75 +70
5 +65 3 +60 200
500
1k
2k Hz
5k
10k
Due to continuing product improvement, the features and the design are subject to change without notice. SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006
20k
10/03/05