Guitar Amp Speaker Cabinet

dsavitsk · 25th April 2007, 05:13 AM

Does anyone have any suggestions for design parameters for a speaker cabinet for a guitar amp? Certain volume? amount of the back that should be open?

Plan is to start with a single 10" driver, but I may move to a 12" at some point.

Amp is a small Champ style. I am undecided if the amp will be in the cabinet, or separate.

Suggestions?

Minion · 25th April 2007, 06:27 PM

I"m not an expert on this but I believe it depends on the speaker...

Some speakers are designed to use a Open backed Cadinet and some need an Enclosed cabinet......

My DIY Guitar amp uses a Fender Princeton 12in Speaker which was designed to be used with an Open backed cabinet But the 12in Eminance Bass speaker I am useing in my 100w Bass amp needs a closed backed cabinet......

Generally most Guitar amp speakers I have used worked best with a Open backed cab and most Guitar amps I have seen had the Back pretty much totally exposed......

Cheers

Ragnar · 26th April 2007, 07:36 PM

IMO I believe that another important thing is what is the wattage of the certain amp and how often U will carry it from place to another, I prefer amp heads, because they are nice, you cantake a head and plug in whatever speaker you want...but if the amp is something between 5-20W, there is no reason to build a head

resident · 26th April 2007, 07:58 PM

Built it at any dimensions you'd like!

It doesn't matter because the low frequency it's almost 70Hz.
Build as open back to achieve the 8 effect. The sound goes at two directions. See open baffle......

And closed back if you want the sound to be more directional.
Build a nice cab without the back cover. Then do experiments with pieces of wood at the open back.
It depends where will you put the cab and of course to your ears!
How would you like the sound to be! It's like pups! haha

Ragnar · 26th April 2007, 08:43 PM

sure thing, Resident. Guitar speakers are really directional. It`s really a difference, if you have your cab under the table, or just beside the wall...etc, etc. amblience of the room also counts...but if you`re not yet decided, what cab, try the "Ask Doc. Decibel" on the Celestion page.

PB2 · 28th April 2007, 09:42 PM

The enclosure discussion in this document might help:
http://www.srl.utu.fi/~tke/MesaBoogi...evm12L-eds.pdf

Pete B.

25th April 2007, 05:13 AM	#1
dsavitsk diyAudio Member Join Date: Jan 2005 Location: Chicago	Guitar Amp Speaker Cabinet Does anyone have any suggestions for design parameters for a speaker cabinet for a guitar amp? Certain volume? amount of the back that should be open? Plan is to start with a single 10" driver, but I may move to a 12" at some point. Amp is a small Champ style. I am undecided if the amp will be in the cabinet, or separate. Suggestions? __________________ http://www.ecpaudio.com

26th April 2007, 07:36 PM	#3
Ragnar diyAudio Member Join Date: Mar 2006 Location: in front of my amps	IMO I believe that another important thing is what is the wattage of the certain amp and how often U will carry it from place to another, I prefer amp heads, because they are nice, you cantake a head and plug in whatever speaker you want...but if the amp is something between 5-20W, there is no reason to build a head __________________ Noone insult tubes ! :P

26th April 2007, 08:43 PM	#5
Ragnar diyAudio Member Join Date: Mar 2006 Location: in front of my amps	sure thing, Resident. Guitar speakers are really directional. It`s really a difference, if you have your cab under the table, or just beside the wall...etc, etc. amblience of the room also counts...but if you`re not yet decided, what cab, try the "Ask Doc. Decibel" on the Celestion page. __________________ Noone insult tubes ! :P

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25th April 2007, 06:27 PM	#2
Minion diyAudio Member Join Date: May 2006	I"m not an expert on this but I believe it depends on the speaker... Some speakers are designed to use a Open backed Cadinet and some need an Enclosed cabinet...... My DIY Guitar amp uses a Fender Princeton 12in Speaker which was designed to be used with an Open backed cabinet But the 12in Eminance Bass speaker I am useing in my 100w Bass amp needs a closed backed cabinet...... Generally most Guitar amp speakers I have used worked best with a Open backed cab and most Guitar amps I have seen had the Back pretty much totally exposed...... Cheers

26th April 2007, 07:58 PM	#4
resident Account Disabled Join Date: Sep 2004 Location: Earth	Built it at any dimensions you'd like! It doesn't matter because the low frequency it's almost 70Hz. Build as open back to achieve the 8 effect. The sound goes at two directions. See open baffle...... And closed back if you want the sound to be more directional. Build a nice cab without the back cover. Then do experiments with pieces of wood at the open back. It depends where will you put the cab and of course to your ears! How would you like the sound to be! It's like pups! haha

28th April 2007, 09:42 PM	#6
PB2 diyAudio Member Join Date: Sep 2004 Location: North East Blog Entries: 1	The enclosure discussion in this document might help: http://www.srl.utu.fi/~tke/MesaBoogi...evm12L-eds.pdf Pete B.

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