Go Back   Home > Forums > Amplifiers > Tubes / Valves

Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 18th December 2010, 03:06 PM   #1
jtjy is offline jtjy  Singapore
diyAudio Member
 
Join Date: Jan 2010
Default Help! Want to Diy Tube Amp!

Hi guys, have diyed some class d amp before and wishes to diy some tube amp but do not know where to start? any recommendations for a decent tube amp kit for a beginner ?
  Reply With Quote
Old 18th December 2010, 03:09 PM   #2
diyAudio Member
 
mr2racer's Avatar
 
Join Date: Jul 2009
Here's a great place to start! Triode Electronics Tube Amp Kits Transformers Tubes Dynaco Upgrades and Parts
  Reply With Quote
Old 18th December 2010, 04:48 PM   #3
diyAudio Member
 
indianajo's Avatar
 
Join Date: Jan 2010
Location: Jeffersonville, Indiana USA
I've bought from Triode. If they ship the wrong part, the replacement shipping is free. They also have the most convenient on-line tube datasheets. They are near chicago. Nice to see source of Dynaco replacement parts that aren't from the reject pile of the Dynaco bankruptcy.
__________________
Dynakit ST70, ST120, PAS2,Hammond H182(2 ea),H112,A100,10-82TC,Peavey CS800S,1.3K, SP2-XT's, T-300 HF Proj's, Steinway console, Herald RA88a mixer, Wurlitzer 4500, 4300

Last edited by indianajo; 18th December 2010 at 04:50 PM.
  Reply With Quote
Old 18th December 2010, 04:59 PM   #4
diyAudio Member
 
Join Date: Dec 2005
Location: Loganville, GA
Hi JTJY,

here is a great place to start....

boozhoundlabs.com/howto/

He goes into great detail on DIYing
a 6V6 SE.

I built one and it sounds really good.
Not golden ear tho, and I have no clue
how much power it puts out but it more
than fills a 12 X 15 room using 12" 3 way
speakers.
Attached Images
File Type: jpg exp7.JPG (59.8 KB, 156 views)
  Reply With Quote
Old 18th December 2010, 05:02 PM   #5
diyAudio Member
 
mr2racer's Avatar
 
Join Date: Jul 2009
Is that chassis non-stick?
  Reply With Quote
Old 18th December 2010, 06:00 PM   #6
diyAudio Member
 
Join Date: Dec 2005
Location: Loganville, GA
Hi m2racer,
yes it sure is non stick. You may be surprised to learn the benefits of using
non-stick cake pans for chassis. the surface is so slick the eddie currents and grould-loop electrons cant stick and fall off thereby affording much better sound acoustics. the one small problem is you need to vacuum under the amp at least once a month to get rid of the stray electrons. the sound quality so so improved you can hear it all the way to the bank.
  Reply With Quote
Old 18th December 2010, 06:06 PM   #7
diyAudio Member
 
mr2racer's Avatar
 
Join Date: Jul 2009
Tres cool!
  Reply With Quote
Old 18th December 2010, 06:19 PM   #8
jtjy is offline jtjy  Singapore
diyAudio Member
 
Join Date: Jan 2010
thanks guys! triode amp to me are expensive and i cant afford them as i am just a student atm. any more cheap n decent recommendations ?
  Reply With Quote
Old 18th December 2010, 06:22 PM   #9
mikje is offline mikje  United States
Soakin' up the Sound!
diyAudio Member
 
mikje's Avatar
 
Join Date: Feb 2008
Location: Bismarck, ND
I found an old console at a thrift shop. I pulled the amp and recapped it and am very happy with it. It can be modded as much as I'd like, but I like the way it sounds and works with the recap. Here are some before and after pics. The nice thing about doing it this way is that you can do a little at a time and spread out the expense. My next upgrade for it will be new output transformers.
So for I have about $100 into it. The new iron will be about another $125. If I upgraded to volume pot, that might add $25 to $50. New tubes could be anywhere from $75 and up. There are a lot of helpful members on this forum, whichever way you go.
Mike
Attached Images
File Type: jpg PB tube amp1.jpg (614.5 KB, 132 views)
File Type: jpg TubeAmpCaseCompressed(4).JPG (292.3 KB, 127 views)
File Type: jpg TubeAmpCaseCompressed(2).JPG (297.8 KB, 127 views)
__________________
Marantz PM8003 amp, Jolida SJ502A, Squeezebox Touch, MLTL Continuums, DIY Carmichaels (Dayton, TangBand, Vifa); Sony STR5800SD, MarkAudio CHP-70s
  Reply With Quote
Old 18th December 2010, 06:47 PM   #10
diyAudio Member
 
mr2racer's Avatar
 
Join Date: Jul 2009
There you go! A friend gave me an old Magnavox console built in 1948. I pulled the amp out, amp 101 B, and discarded the rest. For yucks I put just the 5Y3 rectifier tubes back in a few minutes ago. I have 520 V DC output. After the first cap 1.26 VAC ripple and after the second 0.00! On 60 year old caps. (I know powering up those caps without a Variac was stupid.) What is really cool is I found a second amp on eBay for $22.50. I also found a used Hammond 1650n OPT for $39.00 and a new one for $79.00. I now have most of the makings for a pair of Dynaco Mark IV clones

Search eBay with the parameter 'tube amp for repair' or 'tube amp for parts' and be patient you'll never know what you'll find.

And mikje, I have a pair of Sherwood S8000 receiver OPTs that are looking for a home.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
My first and last DIY tube amp ! HFGuy Tubes / Valves 23 17th December 2010 05:16 AM
diy guitar tube amp help. Newpaltzwonder Tubes / Valves 22 22nd July 2005 05:40 PM
Chinese Tube Amp & DIY .. Pro & Con zxx123 Tubes / Valves 6 18th January 2005 09:54 AM
diy tube amp turbo_h4 Tubes / Valves 10 4th July 2004 12:47 PM
what tube preamp DIY kit to match B&W P-5 speakers skydog Tubes / Valves 4 22nd January 2004 09:48 PM


New To Site? Need Help?

All times are GMT. The time now is 07:00 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2