image
Resistors Lamps-Diodes-Channel Switching Tube Sockets Jacks-Plugs-Connectors
Fuse Holders-Cords-AC Items Jacks-Plugs-Connectors Fuse Holders-Cords-AC Items Pots-Knobs
Jacks-Plugs-Connectors Lamps-Diodes-Channel Switching Jacks-Plugs-Connectors Screws-Nuts-Washers
Circuit Board Building parts Fuse Holders-Cords-AC Items Lamps-Diodes-Channel Switching Hoffman Turret Boards
Handles-Amp Trim Parts Pots-Knobs Transformers Wire-Cable-Heat shrink
Tools and Batteries Wire-Cable-Heat shrink Jacks-Plugs-Connectors Tube Sockets
Switches Jacks-Plugs-Connectors Lamps-Diodes-Channel Switching Tube Sockets
Jacks-Plugs-Connectors Tube Sockets Transformers Wire-Cable-Heat shrink
Handles-Amp Trim Parts Wire-Cable-Heat shrink Circuit Board Building parts Jacks-Plugs-Connectors
Handles-Amp Trim Parts Pots-Knobs Screws-Nuts-Washers Tubes-Valves
Transformers Resistors Capacitors Jacks-Plugs-Connectors
Capacitors Capacitors Books Pots-Knobs
Handles-Amp Trim Parts Transformers Transformers Tube Sockets
Resistors Switches Capacitors Bike Light Parts
Pots-Knobs Fuse Holders-Cords-AC Items Lamps-Diodes-Channel Switching Tube Sockets
Switches Fuse Holders-Cords-AC Items Misc Hardware-Grommets-Feet-Ring terminals Capacitors
Handles-Amp Trim Parts Lamps-Diodes-Channel Switching Tubes-Valves Pots-Knobs
Tubes-Valves Guitar Strings Handles-Amp Trim Parts Screws-Nuts-Washers
Pots-Knobs Foot Pedals Pots-Knobs Jacks-Plugs-Connectors
Hoffman Turret Boards Switches Hoffman Turret Boards Tools and Batteries
Misc Hardware-Grommets-Feet-Ring terminals Jacks-Plugs-Connectors Capacitors Misc Hardware-Grommets-Feet-Ring terminals
Lamps-Diodes-Channel Switching Pots-Knobs Bike Light Parts Transformers
Pots-Knobs Lamps-Diodes-Channel Switching Capacitors Tubes-Valves
Capacitors Circuit Board Building parts Tube Sockets Chassis-Boxes
Switches Lamps-Diodes-Channel Switching Pots-Knobs Switches
Foot Pedals Tubes-Valves Wire-Cable-Heat shrink Misc Hardware-Grommets-Feet-Ring terminals
Capacitors Chassis-Boxes Tools and Batteries Tube Sockets
Tubes-Valves Tube Sockets Foot Pedals Jacks-Plugs-Connectors
Lamps-Diodes-Channel Switching Resistors Fuse Holders-Cords-AC Items Pots-Knobs
Tube Sockets Hoffman Turret Boards Reverb tanks and Bags Tools and Batteries
Capacitors Hoffman Turret Boards Jacks-Plugs-Connectors Circuit Board Building parts
Screws-Nuts-Washers Screws-Nuts-Washers Tools and Batteries Pots-Knobs
You can scroll through the images above using the Image scroll controls or you can use the Left and Right arrow keys on your keyboard.
Hello guest

Welcome To the Hoffman Amplifiers Forum

October 02, 2014, 11:29:03 am
Welcome, Guest. Please login or register.

Login with username, password and session length
 

Author Topic: 2 X 10'' speaker cab ideal dimensions  (Read 4015 times)

0 Members and 1 Guest are viewing this topic.

Offline Colas LeGrippa

  • Level 3
  • ***
  • Posts: 1426
  • MAKE LOVE NOT WAR
2 X 10'' speaker cab ideal dimensions
« on: September 19, 2011, 06:49:20 am »
Hi,

I plan to build a small 2 X 10 speaker cab and I'd like to know the optimum dimensions that it should have.
I am a rock/blues player ( not the Fender tone but more the Gibson style bluesy tone ). I would go with 25w speakers ( weber ? ) open back , closed back ? Any suggestions ?

Regards

Colas
Don't miss the Woodstock experience : ''FORTY YEARS AFTER'' at Club Soda,  in Montreal, august the 17th and 18th and october the 27th. Fifteen musicians onstage.  AWESOME !
P.S.: call me Alvin.

Offline FYL

  • Level 4
  • ****
  • Posts: 2324
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #1 on: September 19, 2011, 10:57:19 am »
I've got a tweed cab with a pair of Weber 10A125s (20-watt version) in 560 x 450 x 240 mm open back, 18 mm pine plus a 12 mm Baltic birch plywood baffle. Works very nicely for blues/rock with a late-50s style amp and P90s or humbuckers but YMMV.




Offline Boots Deville

  • SMG
  • Level 2
  • ***
  • Posts: 362
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #2 on: September 19, 2011, 11:47:42 am »
Here are some plans that are pretty close to FYL's dimensions, about 1.5" wider.
http://www.award-session.com/pdfs/AS210A_Plans.pdf

I've built a cab from their 1x12" plans, but never this particular 2x10".

Offline Colas LeGrippa

  • Level 3
  • ***
  • Posts: 1426
  • MAKE LOVE NOT WAR
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #3 on: September 19, 2011, 03:05:20 pm »
FYL,

I'm not sure if I get you right, you'd sell your cab or you only wanted to give me the dimensions ?

Thanks

Colas
Don't miss the Woodstock experience : ''FORTY YEARS AFTER'' at Club Soda,  in Montreal, august the 17th and 18th and october the 27th. Fifteen musicians onstage.  AWESOME !
P.S.: call me Alvin.

Offline Frankenamp

  • Level 3
  • ***
  • Posts: 623
  • What does this button do?
This problem calls for a bigger hammer!

Offline FYL

  • Level 4
  • ****
  • Posts: 2324
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #5 on: September 20, 2011, 03:15:13 am »
Quote
I'm not sure if I get you right, you'd sell your cab or you only wanted to give me the dimensions ?

Dimensions.


Offline Colas LeGrippa

  • Level 3
  • ***
  • Posts: 1426
  • MAKE LOVE NOT WAR
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #6 on: September 21, 2011, 07:44:23 am »
Thank you sir

Regards

Colas
Don't miss the Woodstock experience : ''FORTY YEARS AFTER'' at Club Soda,  in Montreal, august the 17th and 18th and october the 27th. Fifteen musicians onstage.  AWESOME !
P.S.: call me Alvin.

Offline jjasilli

  • Level 4
  • ****
  • Posts: 4518
  • Took the power supply test. . . got a B+
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #7 on: September 21, 2011, 06:05:24 pm »
For amps, Fender generally used combos with open backs.  Marshall used closed back speaker cabs.  Fender/Gibson guitars guitars sound great through either set-up.

Open back cabs are not design critical.  You can make the cab any size & shape -- as to height, width and depth -- that fits your convenience (and is stable and won't fall over!).  Closed back cabs are sensitive to size and shape, including internal volume.  This called Thiele parameters.  Ideally this should be matched to the published specs of the speakers to be used.  Info is available online; Eminence speakers I think has info on its web site.  Or plagiarize from an enclosed 2 x 10 design that you like.

Offline Frankenamp

  • Level 3
  • ***
  • Posts: 623
  • What does this button do?
Re: 2 X 10'' speaker cab ideal dimensions
« Reply #8 on: September 22, 2011, 01:46:55 am »
For amps, Fender generally used combos with open backs.  Marshall used closed back speaker cabs.  Fender/Gibson guitars guitars sound great through either set-up.

Open back cabs are not design critical.  You can make the cab any size & shape -- as to height, width and depth -- that fits your convenience (and is stable and won't fall over!).  Closed back cabs are sensitive to size and shape, including internal volume.  This called Thiele parameters.  Ideally this should be matched to the published specs of the speakers to be used.  Info is available online; Eminence speakers I think has info on its web site.  Or plagiarize from an enclosed 2 x 10 design that you like.

Agreed. Most vintage utility tens and twelves were designed (mostly trial and error) to work more or less in a two cubic foot box. They didn't have T/S parameters. Speaker design and measurement were in their infancy. Nowadays, If I was to look for a speaker to work well in an open back box, I would look for a speaker with a Qts of .7 to 1.0 give or take. This will allow the response to roll off smoothly around the resonant frequency (Fo). A lower Qts will sound thin and anemic as the bass rolls off quicker. A Qts above 1 will start to sound boomy and unnatural. These are some rules of thumb that work most of the time. YMMV. A woofer tester and some box modeling software are necesesary for accurate results. Golden triangle dimensions are also usually ignored by guitar box designers. Have Fun!
This problem calls for a bigger hammer!

 


This is the Hoffman amplifiers tube amp parts catalog, please choose a link below.
Resistors Board Building Parts Amp trim/Handles Non Stocked Parts
Capacitors Hoffman Turret Boards Foot Pedals Public Parts list Page
Pots/Knobs Fuses/Cords/AC Reverb Items Misc. Hardware
Switches Jacks/Plugs/connectors Guitar Strings/Books Screws/Nuts/Washers
Tube Sockets Lamps/Diodes/Channel Switching Chassis/Boxes Tools-Batteries
Tubes/Valves Transformers Wire/Cable Bike Lighting parts
Search the Hoffman Amps parts catalog

Create your own custom Turret lug board

Click here to search EL34 World

The Tube amp Library of information
Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photos, Sound clips.

There are hundreds of pages of Tube amp information on my library page.
Check out our huge library of schematics here