Category Archives: Project
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The Infamous Tube Amp
Posted on October 16, 2008 by Akita in ProjectI read a lot of article from the web forum regarding to 6AS7′s tubes. This is really an infamous tubes with a lot of negative comments likes non-linear, very low mu, hard to drive, unmatched dual triode and high heater current. But comments is just comment, How it sound? We might not know if you haven’t listen [...]
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Turntable and Phono Stage
Posted on July 21, 2008 by Akita in ProjectLast month, I bid on a used Marantz TT180 turntable and I won. The seller stick the platter and tone arm with tape so that it won’t move when shipped. The idea was fail, the platter move out from where it sit and hit the cartridge. Luckly it didn’t bend the tone arm. After I [...]
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Full Range Loudspeaker
Posted on May 21, 2008 by Akita in ProjectBuilding loudspeaker is as simple as ABC if you just screw the driver into the box and connect it to a crossover without knowing a single thing. But what happen then is a Myst. After few years studying the Thiele & small parameter, I descided to leave all those thing to the experts and focus [...]
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My #1 Tube Amplifier Single Ended EL84
Posted on September 26, 2007 by Akita in ProjectThis is my 2nd DIY amplifier project. We call this type of amplifier as valve amplifier or vacuum tube amplifier. Valve amplifier is very famous in 1950s, later replace by solid state amplifier but when we talk about non-colored sweet warming sound, you will never forget how a good valve sing. I prefer vocal sound [...]
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Simple JLH Class-A Amplifier
Posted on July 11, 2007 by Akita in ProjectAfter a century searching the web, finally I decide to build the “Simple Class-A Amplifier”. This amplifier circuit was designed by John Linsley Hood in year 1969 and then updated in year 1996. Later on, it have been improved by a group of forumer at diyaudio.
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