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How loud should the speakers be? |
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cvandonderen
 
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  Member No: #1439
Location: Oslo |
Since we bought our C6 6 months ago I haven't been sure about the volume level in the rear of the car, we don't use it that often, so I never really bothered. But my question is: When I turn off 'Volume correction' I need to put it on about 10 for the radio to have a normal amount of volume. When I turn the Volume correction on I have it on 4, but then you hear almost nothing in the rear. Should I replace the speakers in the rear, or is this normal? It's a 2007 Exclusive with RT4, but not the TGV seats. |
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eduardomaio
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  Member No: #869
Location: Lisbon |
Do you have the fading between front and rear speakers at half? | ||
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cvandonderen
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Member No: #1439
Location: Oslo |
eduardomaio wrote ... Do you have the fading between front and rear speakers at half? Yes, everything is in the middle, left/right and front/back. |
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e3steve
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   Member No: #1163
Location: Warsash, Hants & Palma de Mallorca, Spain |
I use mine with a fader offset at +5 to the rear; the bass tones are much richer. | ||
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cvandonderen
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Member No: #1439
Location: Oslo |
I just checked properly, and I think the speakers behind the rear seats are just broken. Is there an easy way to check if the wiring is faulty, or the speakers? And what amount off Watt should the speakers be? The stock JBL ones are in there now I think, is there a part number for those? |
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C6Dave
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  Member No: #1
Location: Northumberland |
cvandonderen wrote ... The stock JBL ones are in there now I think, is there a part number for those? Part numbers are in the technical guides section - Click Here - |
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ChrisHunter
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 Member No: #188
Location: Lancashire |
it's a while since we checked, but ISTR our rear speakers were so quiet we were going to investigate, but we never have ... (our radio being used pretty-much only as a TA device) |
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cvandonderen
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Member No: #1439
Location: Oslo |
Just took one of the speakers out. It looks fine to me. I hope it's a fuse then and not the amp, but I have some issues reading the electrical diagram. Any ideas where I should look/which fuse to replace? 
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travlician
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 Member No: #350
Location: Paradera |
In both options (JBL, non JBL) there is only one amplifier driving the loudspeakers, so if front is working it's not a fuse. By the way, these speakers seem to be the sub-woofers in the back (behind the rear seats). These will only produce low frequency sounds so won't be that obvious to hear! | ||
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cvandonderen
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Member No: #1439
Location: Oslo |
Thanks, I figured that out already, but I was still expecting to heard something, and I find it weird that with loudness correction on the sound in the rear is around 50% of what you get in the front, at least, that doesn't seem normal. | ||
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e3steve
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Member No: #1163
Location: Warsash, Hants & Palma de Mallorca, Spain |
You could gently test the drivers' cone excursion by manually moving the cones in & out on their suspensions. They should move easily and with no scraping noises. Also, check the voice coils with an ohmmeter; a reading of 3-5 ohms is normal. Open circuit would indicate a blown voice coil winding. If the drivers check out ok, then fade the sound all the way to the rear (with the drivers still disconnected) and play a loud track at about a level of 20 on the volume graph then measure the AC voltage at the speaker connectors; you should see a transient voltage (on lower-midrange and bass notes) of up to around 2VAC. That would indicate that the amplifier is outputting audio. |
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spbmssen
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 Member No: #1470
Location: England |
Can I ask if you are perceiving the volume difference by sitting in the front? Most of the perceived volume of the system comes from the tweeters which are VERY directional. The rear tweeters, for instance, sound very muffled and down in perceived volume when heard from the front of the car (i.e. with the Fader set to rear only). Get out and sit in the back, however, and it sounds perfect. |
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