I dabble in audio.
Don't take anything I say as gospel, I don't add nearly enough snake oil to my hifi recipes :-)
Wouter's page : Audio and stuff
First and foremost, I'm an engineer. I started out building amplifiers and stuff, listening to loud Rock
and Heavy Metal, and from there grew into Jazz (not that big a leap, since my father was a great Jazz fan),
Classical and Opera. I tend to like the stuff that sound good, with an interesting rhythm. I'm not so much
into traditional Jazz or Fusion, but more into Swing and Big Band. I also really don't like
Current earwork, Mafikizolo's Love Potion. And
here's the best brass player in the world.
Thorens TD-160 turntable, Shure ME75EJ. Cash Converters, late nineties, R35.
Micro Seiki MB14-ST, Glanz MG-110EX. Facebook Marketplace, 2021-02-19, R2700.
NAD 1130 Stereo Preamplifier.
Harman / Kardon HD720 CD player.
The seventies and eighties was a bad time for electrolytic capacitors. They get old.
Equipment starts acting funny when that happens. Replacing all the capacitors
with new (105C) units just makes things better.
W. Marshall Leach, Jr moving coil head amp.
- TNT FleXy Table
- Cables: Both
TNT Audio and Chris VenHaus
recommend using CAT5 network cable for making your own
cables, so if you want to start with something simple,
but labour intensive, check it out.
- Jukka Tolonen built a
Peak Level Meter using
Indicator Tubes -- I think this will look so cool in a preamplifier. He also built a
Tube DAC output stage.
- An outboard DAC can improve on your CD player's built-in DAC
in three (main) ways, namely reduced jitter on the digital side, a better
filter, and a better analogue output stage. You can read up on this
on Norbert Bayer and Marc Heijligers' pages. ESP
has, in Rod Elliott's words, "quite possibly the simplest
possible S/PDIF receiver and DAC you will ever find", using a
CS8414 S/PDIF receiver and a CS4334 DAC. The ESP DAC is a good starting point, but it does not address
jitter on the input signal
at all. The Cirrus (Crystal) CS8420 is a sample rate converter which can be used to completely isolate the DAC clock from the input signal
clock and its jitter. Norbert Bayer's DAC4 and
DAC5 use the CS8420.
- Tweaking my NAD 3225. Apparently upgrading the 2N3055 output
transistors to 2SD733/2SB557 works wonders for the bass. The power supply needs more capacitance as well. I now have two
(2001-01-15, correction, three :-) NAD 3225PE's, I'll tweak one and do ABX testing. Also,
set the bias correctly.