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Tim Appleton
DieHard
QLD
UZZ31

Posts: 542
Reg: 07-2005

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Friday, February 09, 2007 - 07:49 pm, by:  Tim Appleton (Timbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have an EMV and the stock subwoofer. My problem is that when I turn the volume up, it reaches a point where the subwoofer does not get any louder, it actually gets quieter. This is not a function of the stock amplifier or sub as I've used the line output from the EMV to run an aftermarket amp and sub and get the same thing.

Does anybody else experience this?

I'd be interested to know if it's a fault with my EMV, or if it's just the way that they operate. I figure I might need to replace a few caps in the EMV.
Damian Ware
TryHard
Victoria
UZZ32

Posts: 433
Reg: 10-2005

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Friday, February 09, 2007 - 07:57 pm, by:  Damian Ware (Frozenpod) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I will not be the EMV and extremely doubtful it is the tape deck.

First place I would be looking is the radio unit under the back seat.
Tim Appleton
DieHard
QLD
UZZ31

Posts: 543
Reg: 07-2005

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Friday, February 09, 2007 - 08:16 pm, by:  Tim Appleton (Timbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks for the quick response.

I should have mentioned that I normally run my iPod through the TV tuner loom. Is it still going to be a problem with the radio unit if I'm just using the iPod through the TV input?
Dan McColl
Goo Roo
Victoria
Active V8 and a Factory Manual XF.

Posts: 1949
Reg: 07-2005

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Friday, February 09, 2007 - 09:12 pm, by:  Dan McColl (Hoon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I don't know any specific's, but my understanding is that the TV output audio is kinda weird the way it's setup, doesn't have any equaliser stuff and whatnot.

Does it do the same with a tape? radio? or a CD?

Could be a problem in the sub amp.
Roger Costello
TryHard
WA
UZZ31 V8 Limited, UZZ32 no 867

Posts: 305
Reg: 07-2005

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Saturday, February 10, 2007 - 01:37 am, by:  Roger Costello (Roger) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Tim,

That's how they designed it. From about 12 O'clock on the volume knob the sub output does not rise linearly with the volume. My Japanese is nonexistent but it seems to be described as "auto loudness". It did stop the factory free air sub from dying an early and violent death while under warranty. I don't know of a way to disable it.
Tim Appleton
DieHard
QLD
UZZ31

Posts: 544
Reg: 07-2005

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Saturday, February 10, 2007 - 10:21 am, by:  Tim Appleton (Timbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

For some reason I originally thought that it was all functions, but it seems to be just the TV input. It seems to be specifically the TV input where the volume actually gets quieter once it reaches 10 o'clock. On all other functions it reaches a level at about 12 o'clock and stays there.

Luke Gomer has suggested wiring directly through the tape head. I might try the tape player, see if this has the same problem, and if it doesn't then wire my ipod to that.

Thanks to everyone for their input, and Damian for his emails.

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