How to test speakers
#1
How to test speakers
I have some odd stuff going on with my Alpine premium stereo system, and could use some input.
The tweeter on the driver pillar doesn't work. The subwoofer doesn't work. The aerial antenna extends up but doesn't really seem to capture the more distant radio stations my previous XJR could easily enough.
The car was previously owned by an elderly couple so I'm not inclined to think the stereo was overdriven and speakers blown out. Even if so, I could understand bad sound, but not complete speaker death.
Anyone have any suggestions what and how I should check things out?
The tweeter on the driver pillar doesn't work. The subwoofer doesn't work. The aerial antenna extends up but doesn't really seem to capture the more distant radio stations my previous XJR could easily enough.
The car was previously owned by an elderly couple so I'm not inclined to think the stereo was overdriven and speakers blown out. Even if so, I could understand bad sound, but not complete speaker death.
Anyone have any suggestions what and how I should check things out?
#2
speaker test
To test a speaker most guys will just put a multimeter on it ($5 at harbor freight or online). Here's a link to a youtube video
#4
I don't believe I'm overthinking this. I am just curious that with all those anomalies added up, I wonder if there are bad connections on the back of the head unit.
#5
#6
I managed to blow the subwoofer in the XJR with the Propellerhead's "On Her Majesty's Secret Service". The cone detached from the metal surround, all the way around.
BTW, for a basic continuity test, you can use a 1.5V battery. It even tells you the correct polarity. Correctly connected, the cone should pop out slightly. If it pops in, you are backwards.
BTW, for a basic continuity test, you can use a 1.5V battery. It even tells you the correct polarity. Correctly connected, the cone should pop out slightly. If it pops in, you are backwards.
#7
I managed to blow the subwoofer in the XJR with the Propellerhead's "On Her Majesty's Secret Service". The cone detached from the metal surround, all the way around.
BTW, for a basic continuity test, you can use a 1.5V battery. It even tells you the correct polarity. Correctly connected, the cone should pop out slightly. If it pops in, you are backwards.
BTW, for a basic continuity test, you can use a 1.5V battery. It even tells you the correct polarity. Correctly connected, the cone should pop out slightly. If it pops in, you are backwards.
I actually added series capacitors to the tweeter outputs in the HK amp in my '99 VDP. Both tweeters had blown and I was surprised in the amount of bass content fed to the tweeters. At that time sources for the tweeters was scarce outside of Jaguar and a used pair I tried was also blown so I fitted a pair of Pioneer tweeters and they have been fine ever since. Don't ask for details as I did this over 10 years ago and barely remember it :-).
-Mike
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