Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 145/146 Electrical System Diagnosis Manual, Volume 3 (1994-2001)01 · 145 electrical system diagnosis
01 · Diagnostics

Front speaker O5a - O5b

Make
Alfa Romeo
Model
145/146 Electrical System Diagnosis Manual, Volume 3
Year
1994–2001
Section
Car Radio › Front speaker O5a - O5b
145 electrical system diagnosisFront speaker O5a - O5b

Front speaker O5a - O5b

Diagram showing front door with speaker location indicated by arrow
SPECIFICATIONS
Passband70 ÷ 12000 Hz
Resonance frequency70 ± 12 Hz
Nominal impedance4 ± 20% Ω
Induction0.72 ± 7% T
RMS Power (DIN 45573)20 W
Weight430 ± 10% g.
ø of speaker165 mm

Front Tweeter O31a - O31b

Diagram showing front door with tweeter location indicated by arrow
SPECIFICATIONS
Passband5000 ÷ 20000 Hz
Resonance frequency2500 ± 600 Hz
Nominal impedance4 ± 20% Ω
Induction1.06 ± 7% T
RMS power (DIN 45573)30 W
Weight55 ± 15% g.
Type of crossover3.3 µF
Crossover frequency5000 Hz
Type of tweeterDOME

Parts & tools for this job For 1994 Alfa Romeo 145/146

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