Why do you want to use car speakers anyway? I'm not really grasping your
situation.

"Forest" wrote in message
...
That is pretty much what I have suspected for some time. Car speakers not
only look nice but they are reasonably cheap. As my friend makes coffins I
thought he could make my the box.

It might actually work!

The 4 ohm thing may still be a problem. Althought my present amp has a
switch for 4 ohm output:

http://www2.lut.fi/~tohmo/amplifier.html

I have never seen another hi-fi amp which will do it. Normal hi-fi
speakers
have 8 ohm impedance and amps will tolerate 4-12 or 16 but i think
starting
with 4 would be pushing it. The amp may heat up etc.

What do you mean when you say 'a sub with two 4-ohm voice coils can be
wired
to present a 2-ohm or 8-ohm load' and how would such a wiring system work?

I was planning either to buy:

1) 3 or 4 pairs of fairly cheap speakers and parallel wire them all the
same
2) 2 pairs, one mid/sub and one tweeter and use a cross over to make them
more like convential hi-fi equipment.

I really like the look of:


http://www.cheap-car-audio.co.uk/pro...dio=264df1439e
ca852575f995127c649e53

but they are a bit pricey.

Where do people from the UK buy their car speakers?

Thanks for the help folks

Jon

"David" wrote in message
...
Whoever told you that it won't work is wrong...

The 12v that powers the radio/amplifier/etc in a car has nothing to do
with
the speaker impedence...

You can certainly use 'car' speakers with a hifi system, if the terminal
impedence is acceptable for the hifi amplifier.

Most aftermarket speakers are 4-ohm, except some subs that are 6-ohm or
dual
voice coil. A sub with two 4-ohm voice coils can be wired to present a
2-ohm
or 8-ohm load.

David
UnderTheDash.com


"Forest" wrote in message
...
I had this idea for a summer project to keep me entertained:

I have been reading about making home stereo speakers.

I want to do this using car speakers, not traditionally hi-fi
speakers,
anyone tried it?

I like the look of Kenwood and Sony models, and I have my eye on the
KFC-1758S and XS-V1633.

It's just an idea for a project for the summer. I have a stereo amp
which
will switch between 4 (cars) and 8 (Hi-Fi) ohms. I want to use this to
drive
car speakers but
someone has told me that it won't work as cars fun on 12 volts (which
I
knew). But thinking
about it and applying Ohms law (V = I x r) I don't see why the 12
volts
supplied by the battery
matters.

I am aware of the 4 ohm (car) and 8 ohm (hi-fi) difference. Any other
problems? Anyone have any experience?

Also, are all car speakers 4 ohms out of interest?

Thanks

im guessing this is why.

"Forrest"
That is pretty much what I have suspected for some time. Car speakers not
only look nice but they are reasonably cheap.

"Mark Zarella" wrote in message
...
Why do you want to use car speakers anyway? I'm not really grasping your
situation.

"Forest" wrote in message
...
That is pretty much what I have suspected for some time. Car speakers
not
only look nice but they are reasonably cheap. As my friend makes coffins
I
thought he could make my the box.

It might actually work!

The 4 ohm thing may still be a problem. Althought my present amp has a
switch for 4 ohm output:

http://www2.lut.fi/~tohmo/amplifier.html

I have never seen another hi-fi amp which will do it. Normal hi-fi
speakers
have 8 ohm impedance and amps will tolerate 4-12 or 16 but i think
starting
with 4 would be pushing it. The amp may heat up etc.

What do you mean when you say 'a sub with two 4-ohm voice coils can be
wired
to present a 2-ohm or 8-ohm load' and how would such a wiring system
work?

I was planning either to buy:

1) 3 or 4 pairs of fairly cheap speakers and parallel wire them all the
same
2) 2 pairs, one mid/sub and one tweeter and use a cross over to make
them
more like convential hi-fi equipment.

I really like the look of:



http://www.cheap-car-audio.co.uk/pro...dio=264df1439e
ca852575f995127c649e53

but they are a bit pricey.

Where do people from the UK buy their car speakers?

Thanks for the help folks

Jon

"David" wrote in message
...
Whoever told you that it won't work is wrong...

The 12v that powers the radio/amplifier/etc in a car has nothing to do
with
the speaker impedence...

You can certainly use 'car' speakers with a hifi system, if the
terminal
impedence is acceptable for the hifi amplifier.

Most aftermarket speakers are 4-ohm, except some subs that are 6-ohm
or
dual
voice coil. A sub with two 4-ohm voice coils can be wired to present a
2-ohm
or 8-ohm load.

David
UnderTheDash.com


"Forest" wrote in message
...
I had this idea for a summer project to keep me entertained:

I have been reading about making home stereo speakers.

I want to do this using car speakers, not traditionally hi-fi
speakers,
anyone tried it?

I like the look of Kenwood and Sony models, and I have my eye on the
KFC-1758S and XS-V1633.

It's just an idea for a project for the summer. I have a stereo amp
which
will switch between 4 (cars) and 8 (Hi-Fi) ohms. I want to use this
to
drive
car speakers but
someone has told me that it won't work as cars fun on 12 volts
(which
I
knew). But thinking
about it and applying Ohms law (V = I x r) I don't see why the 12
volts
supplied by the battery
matters.

I am aware of the 4 ohm (car) and 8 ohm (hi-fi) difference. Any
other
problems? Anyone have any experience?

Also, are all car speakers 4 ohms out of interest?

Thanks

no, you're right. But i don't understand what you are saying 'If you ran 4
you could series each set and then parallel the two sets for a 4 ohm load.'

I can just add them in series, so 4 + 4 is 8 which would be nice and then
.... oh I see what you mean now. OK. So I could also use that rule to have an
8 ohm impedance then i can use any amp I like. mmmmm

I forgot resis in series add up and in parallel it 1/R = 1/R1 + 1/R2 ...

Thanks 4 that

J


"wicked1" wrote in message
...

"Forest" wrote in message
...
1) 3 or 4 pairs of fairly cheap speakers and parallel wire them all the
same
2) 2 pairs, one mid/sub and one tweeter and use a cross over to make
them
more like convential hi-fi equipment.

You cant parallel wire 3 or 4 pairs of 4 ohm speakers together and still
have a 4 ohm load. If you ran 4 you could series each set and then
parallel
the two sets for a 4 ohm load.

They look nice, they are cheap, and there is a lot of choice basically.
Conventional hi-fi speakers cones are boring. I realise I won't be making a
great sounding piece of furniture, but it will be unique.

J


"Mark Zarella" wrote in message
...
Why do you want to use car speakers anyway? I'm not really grasping your
situation.

"Forest" wrote in message
...
That is pretty much what I have suspected for some time. Car speakers
not
only look nice but they are reasonably cheap. As my friend makes coffins
I
thought he could make my the box.

It might actually work!

The 4 ohm thing may still be a problem. Althought my present amp has a
switch for 4 ohm output:

http://www2.lut.fi/~tohmo/amplifier.html

I have never seen another hi-fi amp which will do it. Normal hi-fi
speakers
have 8 ohm impedance and amps will tolerate 4-12 or 16 but i think
starting
with 4 would be pushing it. The amp may heat up etc.

What do you mean when you say 'a sub with two 4-ohm voice coils can be
wired
to present a 2-ohm or 8-ohm load' and how would such a wiring system
work?

I was planning either to buy:

1) 3 or 4 pairs of fairly cheap speakers and parallel wire them all the
same
2) 2 pairs, one mid/sub and one tweeter and use a cross over to make
them
more like convential hi-fi equipment.

I really like the look of:



http://www.cheap-car-audio.co.uk/pro...dio=264df1439e
ca852575f995127c649e53

but they are a bit pricey.

Where do people from the UK buy their car speakers?

Thanks for the help folks

Jon

"David" wrote in message
...
Whoever told you that it won't work is wrong...

The 12v that powers the radio/amplifier/etc in a car has nothing to do
with
the speaker impedence...

You can certainly use 'car' speakers with a hifi system, if the
terminal
impedence is acceptable for the hifi amplifier.

Most aftermarket speakers are 4-ohm, except some subs that are 6-ohm
or
dual
voice coil. A sub with two 4-ohm voice coils can be wired to present a
2-ohm
or 8-ohm load.

David
UnderTheDash.com


"Forest" wrote in message
...
I had this idea for a summer project to keep me entertained:

I have been reading about making home stereo speakers.

I want to do this using car speakers, not traditionally hi-fi
speakers,
anyone tried it?

I like the look of Kenwood and Sony models, and I have my eye on the
KFC-1758S and XS-V1633.

It's just an idea for a project for the summer. I have a stereo amp
which
will switch between 4 (cars) and 8 (Hi-Fi) ohms. I want to use this
to
drive
car speakers but
someone has told me that it won't work as cars fun on 12 volts
(which
I
knew). But thinking
about it and applying Ohms law (V = I x r) I don't see why the 12
volts
supplied by the battery
matters.

I am aware of the 4 ohm (car) and 8 ohm (hi-fi) difference. Any
other
problems? Anyone have any experience?

Also, are all car speakers 4 ohms out of interest?

Thanks

Doesn't quite make sense though. "Home" drivers tend to be cheaper. And
IMO better looking.

"wicked1" wrote in message
...
im guessing this is why.

"Forrest"
That is pretty much what I have suspected for some time. Car speakers not
only look nice but they are reasonably cheap.

"Mark Zarella" wrote in message
...
Why do you want to use car speakers anyway? I'm not really grasping
your
situation.

"Forest" wrote in message
...
That is pretty much what I have suspected for some time. Car speakers
not
only look nice but they are reasonably cheap. As my friend makes
coffins
I
thought he could make my the box.

It might actually work!

The 4 ohm thing may still be a problem. Althought my present amp has a
switch for 4 ohm output:

http://www2.lut.fi/~tohmo/amplifier.html

I have never seen another hi-fi amp which will do it. Normal hi-fi
speakers
have 8 ohm impedance and amps will tolerate 4-12 or 16 but i think
starting
with 4 would be pushing it. The amp may heat up etc.

What do you mean when you say 'a sub with two 4-ohm voice coils can be
wired
to present a 2-ohm or 8-ohm load' and how would such a wiring system
work?

I was planning either to buy:

1) 3 or 4 pairs of fairly cheap speakers and parallel wire them all
the
same
2) 2 pairs, one mid/sub and one tweeter and use a cross over to make
them
more like convential hi-fi equipment.

I really like the look of:




http://www.cheap-car-audio.co.uk/pro...dio=264df1439e
ca852575f995127c649e53

but they are a bit pricey.

Where do people from the UK buy their car speakers?

Thanks for the help folks

Jon

"David" wrote in message
...
Whoever told you that it won't work is wrong...

The 12v that powers the radio/amplifier/etc in a car has nothing to
do
with
the speaker impedence...

You can certainly use 'car' speakers with a hifi system, if the
terminal
impedence is acceptable for the hifi amplifier.

Most aftermarket speakers are 4-ohm, except some subs that are 6-ohm
or
dual
voice coil. A sub with two 4-ohm voice coils can be wired to present
a
2-ohm
or 8-ohm load.

David
UnderTheDash.com


"Forest" wrote in message
...
I had this idea for a summer project to keep me entertained:

I have been reading about making home stereo speakers.

I want to do this using car speakers, not traditionally hi-fi
speakers,
anyone tried it?

I like the look of Kenwood and Sony models, and I have my eye on
the
KFC-1758S and XS-V1633.

It's just an idea for a project for the summer. I have a stereo
amp
which
will switch between 4 (cars) and 8 (Hi-Fi) ohms. I want to use
this
to
drive
car speakers but
someone has told me that it won't work as cars fun on 12 volts
(which
I
knew). But thinking
about it and applying Ohms law (V = I x r) I don't see why the 12
volts
supplied by the battery
matters.

I am aware of the 4 ohm (car) and 8 ohm (hi-fi) difference. Any
other
problems? Anyone have any experience?

Also, are all car speakers 4 ohms out of interest?

Thanks

They look nice, they are cheap, and there is a lot of choice basically.

Have you checked madisound.com or partsexpress.com? The "home" speakers are
cheaper and less gaudy looking.

I am guessing he wants it to LOOK cooler than it sounds.
I could be wrong.Gaudy? The Sony XPLOD red cone speakers look tight as hell
so do many other speakers. Doesnt mean they sound worth a **** tho.

"Mark Zarella" wrote in message
...
They look nice, they are cheap, and there is a lot of choice basically.

Have you checked madisound.com or partsexpress.com? The "home" speakers
are
cheaper and less gaudy looking.

there are very few sites for home hi-fi speaker components in the UK, but
there are lots of car sites.

"wicked1" wrote in message
...
I am guessing he wants it to LOOK cooler than it sounds.
I could be wrong.Gaudy? The Sony XPLOD red cone speakers look tight as
hell
so do many other speakers. Doesnt mean they sound worth a **** tho.

"Mark Zarella" wrote in message
...
They look nice, they are cheap, and there is a lot of choice
basically.

Have you checked madisound.com or partsexpress.com? The "home" speakers
are
cheaper and less gaudy looking.

Forest wrote:


They look nice, they are cheap, and there is a lot of choice basically.
Conventional hi-fi speakers cones are boring. I realise I won't be making
a great sounding piece of furniture, but it will be unique.

.... looking back through thread...

As my friend makes coffins I thought he could make my the box.


Hmm, a coffin with built-in ICE? Now that *would* be unique!

That's how I want to be buried g

Cheers

Dave P




--
David Precious
http://www.preshweb.co.uk/