Remote turn-on thump

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pezz92

Member - Posts: 3

Joined: August 21, 2003

Location: Canada

Posted: August 21, 2003 at 12:09 AM / IP Logged

Hi there,

I tried using the search function to no avail. on this topic -- I'm using a three amp system (All Orions) that developed a turn on thump when changing the head unit. A Pioneer head unit was removed and replaced by a 1998 factory Volkswagen unit with changer (Panasonic). Another installer I know has seen this before and doesn't think using an inline cap will fix the problem. Anyone have a suggestion to quiet the 'hard' turn-on of the factory unit? Thanks in advance, K.

JamesRH

Copper - Posts: 102

Joined: August 16, 2003

Location: Canada

Posted: August 21, 2003 at 12:18 AM / IP Logged

what are you using as yout amp turn on? I doubt the factory deck has a proper amp turn on lead...might have to install a seperate togel switch or hook up a relay to your ingition accesory wire so they turn on with the key

pezz92

Member - Posts: 3

Joined: August 21, 2003

Location: Canada

Posted: August 21, 2003 at 12:41 AM / IP Logged

This particular radio has provisions for 'active' speakers (individually ampified) -- Therefore is equipped with front and rear preouts and a trigger wire (Blaupunkt actually sells the adapter I'm using to put rca connectors and a trigger wire onto the back of the deck). Everything works and sounds great, I just don't think the radio is equipped with one of the 'soft' turn-ons that modern headunits provide - so I'm looking for a way to delay or quiet the initial turn-on. K.

elrayodesinaloa

Copper - Posts: 120

Joined: April 28, 2003

Location: United States

Posted: August 21, 2003 at 1:00 AM / IP Logged

I used a 10k resistor on a blaupunkt amp that I was having that kind of problem with. Don't know if it's going to work in yours but you can give it a try.

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wvsquirrel

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Joined: July 27, 2002

Location: Florida, United States

Posted: August 21, 2003 at 2:14 AM / IP Logged

It may be that the amps are not turning on/off at the same time as the headunit. Try installing a toggle switch to manually turn the amps on/off while the headunit is already on.

Running 3 amps. Are you daisy chaining the remote line? Most headunits can only supply enough voltage through the remote line to properly turn on 2 amps. For 3+ amps you want to either tap into the ignition harness or use a relay to supply enough voltage to the remote turn-ons.

Squirrel

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JamesRH

Copper - Posts: 102

Joined: August 16, 2003

Location: Canada

Posted: August 21, 2003 at 9:23 AM / IP Logged

as i was saying hook up a relay... Remote turn-on thump -- posted image.

pezz92

Member - Posts: 3

Joined: August 21, 2003

Location: Canada

Posted: August 21, 2003 at 11:12 AM / IP Logged

Yeah.. I should give a relay a chance first.. I'll keep you guys up to date. Thanks for the quick responses, K.

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Remote turn-on thump

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