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CopyWrite

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Registered: 16th Apr 02
Location: South Walez
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6th Aug 03 at 22:23

I plan to buy the KAC-8151D Mono block and run 2 4ohm subs off it to take its impendance load down to 2 ohm.
this wiring only allows u to wire 2 subs onto one channel...so which channel do i use and what happens with the other channel?

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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6th Aug 03 at 23:11

Its a mono block amp, it only has one set of speaker terminals. So its the only one you can connect them to. On the picture of the amp, the terminals you see are the power terminals, and the high level input terminals.

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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7th Aug 03 at 13:40

no austin i have this amp and it has 2x terminals

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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7th Aug 03 at 16:08

You triple sure?

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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7th Aug 03 at 16:10

Well i havent come accross a monoblock with two sets of terminals.

Anyway, when you buy the amp, the book will show you a diagram of how to drop it to a 2ohm load.

Sparco

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Registered: 12th Aug 02
Location: North Yorkshire
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7th Aug 03 at 16:20

As far as I'm aware the new Sony XMD1000P5 mono block amp has two channels

Sparco

CopyWrite

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Registered: 16th Apr 02
Location: South Walez
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7th Aug 03 at 16:44

I have been on the website for kenwood n read the online manual...which is a nice idea using acrobat.
anyway it does show 2 subs wired up onto a channel each.
I thought myself that it would only have one...so is this 200 watts per channel or what the hell is goin on here?.
Speed 6 will u plz help seeing as u already own this amp.

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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7th Aug 03 at 18:46

12.0v

4ohm 300w x1
2ohm 600w x1

14.4v
4ohm 400w x1
2ohm 800w x1
1ohm 1000w x1

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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7th Aug 03 at 19:14

hope this helps

[Edited on 07-08-2003 by speed6]

[Edited on 08-08-2003 by speed6]

CopyWrite

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Registered: 16th Apr 02
Location: South Walez
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7th Aug 03 at 21:02

yes that kind of helps but doesnt explain the wiring configuration.
I have 2 200 watts RMS subs that I wanna run off this amp.
which set up would be best? the middle one?

[Edited on 07-08-2003 by CopyWrite]

CopyWrite

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Registered: 16th Apr 02
Location: South Walez
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7th Aug 03 at 21:17

will this amp internally parallel wire the subs itself?...as I know some amps are known to do this?

TOMAS

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Registered: 7th Aug 02
Location: Nottinghamshire
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7th Aug 03 at 21:37

WTF, go back to school! Its a monoblock right so ONE positive speaker terminal and ONE negative speaker terminal. Connect BOTH sub positives to the amp positive and BOTH sub negatives to the amps negative. You now have TWO 4ohm subs running in PARALLEL, which shows the amp a load of 2ohms. SIMPLE!

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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7th Aug 03 at 23:19

tomas i made the pic of the wiring from the manual this amp has TWO positive and TWO negative i should no as i have this amp

copywrite wot is the max watt and wot ohm r the subs

[Edited on 07-08-2003 by speed6]

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 00:42

Ive never known a monoblock to have two sets of terminals. And if it did, your diagram is totally fucked.

[Edited on 08-08-2003 by AustinPXX]

MC Kustoms

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Location: Luton
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8th Aug 03 at 00:45

that diagram is wot kenwood have put in the manual m8

[Edited on 08-08-2003 by speed6]

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 00:57

and the 4th

If you guys say the amp is the way it is, these are the only four possibilites to drop the amp to a 2ohm load using 4ohm subs.

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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8th Aug 03 at 01:25

http://www.justkenwood.co.uk/editorial/inst_amp.asp

this pic is the only 1 i can find that shows wot im on about

OzzySRi

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Registered: 18th Jun 02
Location: Sydney, Australia Drives: Corsa C 1.8 SRi
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8th Aug 03 at 09:30

Thats the high level inputs. Thats when u run the speaker wires from the head unit INTO the amp ie. it has no RCA outs.

But if ur hu has RCA outs, USE THEM. use the inputs on the left of the pic.

TOMAS

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Registered: 7th Aug 02
Location: Nottinghamshire
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8th Aug 03 at 12:23

WTF!! speed6 you CLEARLY do not know WHAT you are on about!!!
1: MONO means ONE, a Monoblock has ONE output channel.
2: As stated above, the photo shows high level inputs, which are for use with h.units that do not use RCA output!

Next you'll be telling us that you have hooked the battery pos and neg to the speaker terminals and the remote lead to your ariel LOL jeeze, please, and people wonder why I get fed up of this...

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 12:41

Its like i said right up the top that they were high level inputs.

I knew i was right

So because it only has one output channel, you would wire it up like this

Copywrite, id like to see this manual, cos i spent about half hour checking all the net and all kenwoods sites, an no manual for the KAC-8151D could be found.

[Edited on 08-08-2003 by AustinPXX]

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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8th Aug 03 at 12:59

u can c from the pic that it has 2 poss nd 2 neg

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 13:00

Yes because to me they look like screw down high level inputs, same with an older kenwood amp i have

MC Kustoms

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Registered: 6th Aug 02
Location: Luton
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8th Aug 03 at 13:03

but they r the outputs for the speakers

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 13:06

Well ive just found the online manual so all shall be revealed soon

Richie

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Registered: 3rd Dec 02
Location: Newport, Wales
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8th Aug 03 at 13:12

Ok well speed6 is correct, there are sets of terminals.

The way they have done this is for convienience of connecting up two 4 ohm subs, but there is still only one internal channel. The two pos go to one point inside the amp as the same with the two neg points. So its still a monoblock.

Apologies to speed6