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| Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum |
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#1 |
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diyAudio Member
Join Date: Jul 2005
Location: cleveland, ohio
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So I want to get my amp built already, I have all the parts, I just don't know what to build it on! I could fashion something out of metal but I know if will not look the greatest. It's a guitar amp with two transformers, three tubes, two pots and a switch or two. Where do you all get your chasis from?
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#2 |
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diyAudio Member
Join Date: Nov 2005
Location: North West
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#3 |
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diyAudio Member
Join Date: Jul 2005
Location: cleveland, ohio
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Yes I read that one, unfortunately it's of little help. None list prices, and they are all overseas (for United States at least). Anyone know of any American suppliers?
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#5 |
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diyAudio Member
Join Date: Sep 2005
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YAAAAAAAAAAA, I can see the valves through the door of the microwave captain!!!!
Cool Idea though... will be spending some time in those sections next time at the shops. |
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#6 |
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diyAudio Moderator
Join Date: Jan 2003
Location: Near London. UK
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It's true, kitchen shops are great for valve chassis and accessories. I regularly visit them in the hope of picking up something useful. There are currently some rather nice chromed "utensil holders" made of rings of 3mm wire and coarse gauze that are ideal for protecting 813. Candle-driven food warmers are ideal for valve preamplifiers (they even have ventilation slots). This week, I saw some (cheap) nicely jointed wooden bread bins that would make ideal power supply cases.
Think laterally.
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The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference... |
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#7 |
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diyAudio Member
Join Date: Dec 2002
Location: Calgary, Alberta
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Just to echo what SY and EC are saying: don't forget IKEA. You can find many different wooden knick knack boxes there. Add an aluminum plate top and/or bottom, voila, a case!
I actually make all of mine, it's pretty easy. Just 3 pieces of wood and 2 pieces of aluminum. I make rabbets in the pieces of wood both to join them to each other and to attach the aluminum to, and all I use is my cheapo ripping blade in the table saw.
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Aerodynamics are for people who can't build engines. Enzo Ferrari |
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#8 |
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diyAudio Member
Join Date: Nov 2004
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Cleveland Ohio has just GOT to have more than a couple of enormous
scrap metal reprocessors. Some let you wander the yard; some don't. Luckily my local ones do and they have mountains of cast off stainless and aluminum shapes and extrusions that just boggle the tinkerer's imagination, especially if you have the means to do some fabricating at home (god I'd love a tig welder for Christmas!). Very cheap by the pound. Check out the yellow pages. Incidentally, you can do astonishing things with aluminum using carbide bits on a table router, and ferrous-use blades on a table saw. It's almost like woodworking. Extremely problematic SAF though. Even with the best dust removal going, you'll still end up finding little chips of aluminum tinsel throughout the house. |
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#9 |
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diyAudio Member
Join Date: Jul 2005
Location: South Florida
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The old standard method still works, and I use it for guitar amps. Buy a Hammond pre-made aluminum (or steel) chassis. Drill or punch the holes for the tube sockets and transformers, mount all of the parts, and make some type of front and rear panel covers. Marshall used Plexiglass, Fender used aluminum. The end result looks similar to an old Fender or Marshall chassis. Then you make a wood box and cover it with Tolex.
I have made the entire amp from Lexan (a plastic like material). This looks cool, but is a pain to work with. Lexan is the only clear material that doesn't melt at vacuum tube temperatures. You can also use an aluminum top plate with wood sides. My 845SE stereo amp was made from a street sign that was left in my yard by a hurricane. As mentioned previously you can find aluminum baking pans at the kitchen store. These are good chassis for small tube amps. If you go the conventional box route you can get all of the supplies at Antique Electronic Supply. www.tubesandmore.com
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Too much power is almost enough! Turn it up till it explodes - then back up just a little. |
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#10 |
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diyAudio Member
Join Date: Sep 2003
Location: Bay Area, CA
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I've made an amp or two out of clear and smoked acrylic sheets. The base was made out of wood. My amp does get a bit warm but not too bad so the top does not warp. Plus, it is on the thicker side, about 3/16" I think. The clear top looks pretty neat if your wiring is all laid out nicely. I have a picture somewhere but need to figure out how to post it...
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| Thread | Thread Starter | Forum | Replies | Last Post |
| is a TO3 case better? | Jonny Hotnuts | Car Audio | 30 | 21st March 2008 02:59 AM |
| nice aluminum case | cowanrg | Swap Meet | 5 | 6th September 2007 07:42 PM |
| Where to find a nice looking enclosure/chassis/case ??? | bbaker6212 | Class D | 23 | 16th August 2006 05:13 AM |
| What to use for a case ???? | la9 | Chip Amps | 3 | 22nd August 2004 03:34 AM |
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