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17th September 2010, 09:04 PM
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#1 |
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diyAudio Member
Join Date: Apr 2008
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Show us you COMPACT tube amps !
Hello Tube Audio Diyers All,
I like to realize tube amp projects which are compact-sized... Compactness doesn't necessarily mean little performances ! Compactness often goes with nice design, aesthetical vertues... I am indeed not the only one to like compact tube amps, and some of you have probably built several ones - Please show us your releases, and comment it... As an example, I start the first : Here are my "compact" 6L6 ultralinear mono blocks (only 10Wrms no NFB loop low power class A operation) :       What are yours ?????????????? A+!
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if it works, don't fix it ! si cela fonctionne, ne touchez à rien ! |
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18th September 2010, 12:21 AM
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#3 |
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frugal-phile(tm)
diyAudio Moderator
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community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA |
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18th September 2010, 01:02 AM
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#4 |
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diyAudio Member
Join Date: Mar 2007
Location: Newark, DE
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Here's a mock-up of the 6BM8 spud I'm hoping to get around to building any day now... guess that doesn't really count, does it?
 http://i69.photobucket.com/albums/i4...E/P1140741.jpg |
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18th September 2010, 01:07 AM
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#5 |
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diyAudio Member
Join Date: Sep 2006
Location: Pleasant Hill, CA
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Like fish in a metal can:
 The same amp, in the darkness: 
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The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity! |
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18th September 2010, 01:22 AM
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#7 | |
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diyAudio Member
Join Date: Sep 2006
Location: Pleasant Hill, CA
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Quote:
But I can build for you something like this one:  However, it does not looks compact from outside, but inside it is pretty tight: it contains SS stabilizers for preamp, for screen grids, for bias, and preamp filaments. http://wavebourn.com/forum/download.php?id=124&f=7
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The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity! Last edited by Wavebourn; 18th September 2010 at 01:43 AM. |
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18th September 2010, 03:01 AM
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#9 |
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diyAudio Member
Join Date: Feb 2004
Location: Silicon Valley
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Here's a bitty spud - my "Mighty Mite" amp. It uses the 6LR8 vertical deflection tube, Hammond 125CSE output iron, and a SMPS inside the box. Right now, the thing is set up with the output pentodes in triode mode, but I may change it around to "Schade style" partial feedback to coax some more power out.
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