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Stereo protector against d.c

LABSPROJECT
Based on a Labs project | October 2011 | Find it here
Stereo protector against d.c
If a d.c. coupled output amplifier breaks down during operation, the loudspeakers, particularly the bass units, are at risk. The bass particularly so because it is not decoupled for d.c. by the capacitors in the cross over network. lf, for instance, the output transistor has given up the ghost, the bass units will get the full d.c. supply voltage at their terminals.
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