bass guitar cabinet wiring

stupid m0nkey · 7th March 2004, 10:26 PM

quick question

is there any way for me to wire 12 8ohm driver (all identical) together to end up with a 4ohm load?

for all of you wonder what this is for, i'm making a bass guitar cabinet with 12 8" drivers.

thanks

Bill Fitzpatrick · 7th March 2004, 10:42 PM

No, not if you want them all to play at the same volume.

Three paralleled groups of 4 in series would give you 10.6 ohms.
Four paralleled groups of 3 in series would give you 6 ohms.

Take your choice.

dooper · 7th March 2004, 10:59 PM

Interesting idea. Can you share what drivers you're going to use? Cabinet volume? Sealed or vented?

TIA,

dooper

sreten · 8th March 2004, 01:15 PM

You'd need to use only 8 drivers.

You could make a 4x8 cabinet - 8 ohm, and an 8x8 cabinet - 4 ohm.

This would give you a choice cab size vs venue.

Your amplifier might be able to handle both in parrellel, 2.7 ohm.
(which is of course is wiring option of your 12x8)

If so you would have a choice of three cabinet set ups.

For the 12 x 8 I'd wire it to be switchable between 2.7 & 6
ohms, though this isn't easy, you'd need a multipole switch.

sreten. (4x10 sealed, 1x15 reflex)

7th March 2004, 10:26 PM	#1
stupid m0nkey diyAudio Member Join Date: Feb 2004 Location: kelowna, BC	bass guitar cabinet wiring quick question is there any way for me to wire 12 8ohm driver (all identical) together to end up with a 4ohm load? for all of you wonder what this is for, i'm making a bass guitar cabinet with 12 8" drivers. thanks

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7th March 2004, 10:42 PM	#2
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	No, not if you want them all to play at the same volume. Three paralleled groups of 4 in series would give you 10.6 ohms. Four paralleled groups of 3 in series would give you 6 ohms. Take your choice.

7th March 2004, 10:59 PM	#3
dooper diyAudio Member Join Date: Jan 2004 Location: Canada	Interesting idea. Can you share what drivers you're going to use? Cabinet volume? Sealed or vented? TIA, dooper

8th March 2004, 01:15 PM	#4
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	You'd need to use only 8 drivers. You could make a 4x8 cabinet - 8 ohm, and an 8x8 cabinet - 4 ohm. This would give you a choice cab size vs venue. Your amplifier might be able to handle both in parrellel, 2.7 ohm. (which is of course is wiring option of your 12x8) If so you would have a choice of three cabinet set ups. For the 12 x 8 I'd wire it to be switchable between 2.7 & 6 ohms, though this isn't easy, you'd need a multipole switch. sreten. (4x10 sealed, 1x15 reflex)

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