Blaupunkt PCA460 Car Audio Amplifier "speaker works push cone down" Questions

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

...speaker wire over the terminal but nothing else. Sub doesn't even sound blown. Left fuse was blown. Replaced. Same problem. Only thing I haven't done is replace the 60 amp fuse under the hood. The ...

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

...cone properly and what happens is the sub will usually seize up rather than blowing out in the term you usually hear (ie, I had my system cranked up and I blew my subwoofer). Secondly, in an attempt ...

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

...push the speaker cone up and down looking for spikes on the ohm meter. ==This is a very common cause of the problem you are describing.== make sure you have a solid ground sometimes having a loose or ...

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

speaker cone to its limits when the amp powered up (common on some Rockford amplifiers), that was almost certainly due to a shorted output transistor. When checking transistors, you most commonly look

...speaker terminal. If you are getting a reading then try a different sub. continuity test across the terminals of the sub & push on the cone if the buzzer changes on/off as you push on the cone the ...