The
following topics are based on my personal experience with audio,
various equipment and music in both analog and digital formats for
more than 30 years. There will also be space for links to interesting
articles published in hifi magazines and/or other sources.
Planned
is also to put some white papers / project information on tube
amplifiers and loudspeakers, written by two friends and highly
qualified Austrian engineers - Josef Aigner & David Haigner
- on this site in the near future. Click here to see some of the gear they have built.
-
LFD Anniversary Line Stage and LFD MCT SE Phono Stage (awesome transistor designs)
March
/ April 2008
- Building
TentLabs' Musical DIY CD Player
Here
is the long promised report about my experience with this highly
praised DIY CD player, please read on ...
November
2007 - Report about the 1st "Schall & Rauch" -
Festival in Munich
A
must read for every tube audio lover...
May
2007
- Follow
up on Joe's Dream Loudspeaker System - Improvements since January 2006
Joe
was so kind to write a bit about the improvements he made to his
super speaker system in the meantime
May
07: After some listening possibilities,
I
can wholeheartedly agree that the audible
improvements achieved in comparison with the start version of Joe's
project a bit over a year ago are quite
dramatic! Another great
speaker system.
Enjoy
the report :-)
March
2007
- Haigner
Alpha and Beta Horn Systems
Another
must read for every horn speaker
aficionado ;-)
April 07 / Sept. 07: More listening impressions on the incredible
Alpha Horns added to this article
March
2007 - The
Making of GOTO Horn Speakers a la
Haigner
A
must read for every horn speaker
aficionado ;-)
If
you want to read more about these outstanding speakers, the German
audio magazine 'image hifi' has run an enthusiastic report by Cai
Brockmann in their Feb. 2007 issue (No. 74, page 130, x-kursion)
under the title "Fairway To Heaven; Die Anlage von Herrn W. aus
S." (German only!)
(As
soon as I'll have the chance to listen to these Haigner creations, I
will report in detail about their musical qualities on this site. So,
watch out!)
December
2006 - The Making of the First Triode?
ETF 2006, this year in the Netherlands - at the Beukenhof in Biezenmortel
- was a blast as all ETF's
so far.
But
our Dutch hosts (Emile Sprenger and Guido Tent) had a special surprise
for us. A video called
"The Making
of the
First Triode".
This video is honoring the centennial of
the Audion, Le
De Forest's invention of the first triode. The cool thing about the
video: It shows the
making of the ETF06 Triode, a copy of De Forest's Audion.
November 2006 -
A Lead Free World?
(A
link to Geoff
Husband's interview with Graham Slee for TNT-Audio,
July
2006; a must read about ROHS - the new EU directive - and it's
effect on our beloved audio hobby)
June 2006 -Euphonic
Distortion: Naughty but Nice
(A
link to Keith
Howard's
article for Stereophile,
April 2006)
This
is an excellent article, my only reservation: Mr Howard's distortion
test method didn't take into account distortion products decreasing
as the acoustic level decreases, a phenomenon which single-ended
class A amplification's distortion characteristics display (see Single-Ended
Class A by Nelson Pass).
August
2007: Mr. Howard and I have been in email contact regarding my
reservation above, because apparently his
distortion test method takes into account 'distortion products
decreasing as the acoustic level decreases'. Those interested can
visit his excellent website
and download his AddDistortion utility used for the tests and
experiment for themselves. (I hope to download the software soon and
learn about the effects for myself.
May 2006
- Lynn
Olson on Different Amp Designs
(A
link to his presentation for ETF 2004 -
highly informative)
Jan. 2006
- Joe's
Loudspeaker Dream Comes True
Nov. 2005 - The Beauty of Single-Ended 2A3 Amps
Planned topics to follow:
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