ICE upgrade for Skoda - Page 3 - Team-BHP

karthik247 · 22nd March 2006, 20:28

So finally got the connection done like JK said today. Hope its like this...

The blue wires go to one coil and the other one goes to the 2nd coil.

THe rear speakers are connected to the HU. Now one thing is..there is a small selector on the amp which is used to select 2ch or 4ch. Right now its put in 2ch, so shold i be like that or should i change it to 4ch??

gunbir · 22nd March 2006, 21:19

Quote:

Originally Posted by karthik247

So finally got the connection done like JK said today. Hope its like this...

The blue wires go to one coil and the other one goes to the 2nd coil.

THe rear speakers are connected to the HU. Now one thing is..there is a small selector on the amp which is used to select 2ch or 4ch. Right now its put in 2ch, so shold i be like that or should i change it to 4ch??

JKD / Karthik

Yup... you CAN run your sub like this... However, just ensure the following:

1. Both coils of the sub are getting the same mono signal.
2. Both coils of the sub are getting the same power. Measure with DMM to ensure and set gains accordingly

If you dont ensure the above, you may permanently damage your sub.

navin · 22nd March 2006, 21:34

I dont think he is feeding a mono signal to the sub. i think he is running the sub in stereo. however as long as the gains are properly set i think he will be ok. i have see many DVC subs being used this way. Left channel on one coil nad right channel on the other.

jkdas · 22nd March 2006, 22:17

Quote:

Originally Posted by gunbir

JKD / Karthik

Yup... you CAN run your sub like this... However, just ensure the following:

1. Both coils of the sub are getting the same mono signal.
2. Both coils of the sub are getting the same power. Measure with DMM to ensure and set gains accordingly

If you dont ensure the above, you may permanently damage your sub.

1. How to check?
2. DMM?

what?, can I use ammeter for this?

and Navin, he has used the mono out from the HU and its connected to mono in of the amp. And its in 2 channel mode.

I hope the polarity etc was connected in teh right matter.

navin · 22nd March 2006, 22:31

His HU has a mono out? ok. Good. for the signal level you can use any old DMM in RMS mode. My Fluke has something jsut for this. Remember we have to be close not exact.

Well I could not see polarity on the photo. but you can double check the polairty of the subs using a 1.5V battery so that the +ve wire coming for the speaker is really so.

22nd March 2006, 20:28	#31 (permalink)
karthik247 Senior - BHPian Join Date: Feb 2005 Location: TVM Posts: 2,290 View My Garage	So finally got the connection done like JK said today. Hope its like this... The blue wires go to one coil and the other one goes to the 2nd coil. THe rear speakers are connected to the HU. Now one thing is..there is a small selector on the amp which is used to select 2ch or 4ch. Right now its put in 2ch, so shold i be like that or should i change it to 4ch?? __________________ Slow and steady wins the race... But there is nothing like a 300kmph dash to the line!! Last edited by karthik247 : 22nd March 2006 at 20:29.

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22nd March 2006, 21:34	#33 (permalink)
navin Team-BHP Moderator Join Date: Mar 2004 Location: mumbai Posts: 11,923	I dont think he is feeding a mono signal to the sub. i think he is running the sub in stereo. however as long as the gains are properly set i think he will be ok. i have see many DVC subs being used this way. Left channel on one coil nad right channel on the other.

22nd March 2006, 22:31	#35 (permalink)
navin Team-BHP Moderator Join Date: Mar 2004 Location: mumbai Posts: 11,923	His HU has a mono out? ok. Good. for the signal level you can use any old DMM in RMS mode. My Fluke has something jsut for this. Remember we have to be close not exact. Well I could not see polarity on the photo. but you can double check the polairty of the subs using a 1.5V battery so that the +ve wire coming for the speaker is really so.