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Old 26th January 2002, 02:31 AM   #1
diyAudio Member
Join Date: Jan 2002
Location: California
Default Hi all!

Just wanted to say hello to all the peoples in the DIYaudio forum... I have been building amps and digital stuff for a while now and this place is perfect. Lots of good information so far!! You guys will be seeing more of me in the future so I figured I might as well introduce. I am currently a grad student at SDSU studying electrical engineering with my main interest being anything audio related, including DSP methods, DAC, and ADC design.

Hope everyone is well,
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Old 26th January 2002, 03:49 AM   #2
subwo1 is offline subwo1  United States
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Location: North American Continent
Welcome. I hope your have an enjoyable time on these boards.
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Old 2nd February 2002, 03:09 AM   #3
dice45 is offline dice45  Germany
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Location: Munich, Bavaria
Hi Randy,

I like your signature! Keep it!
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Old 2nd February 2002, 07:49 AM   #4
diyAudio Member
Join Date: Jan 2002
Location: California
Since this is a DIY forum, and my sound system is DIY, thought I might mention what it is.

CD player: Marantz 3100 (I hate it)

TT: Technics 1200MKII, Ortofon Concord w/Pro-S stylus

Preamp: custom DIY
- Phono, line, and SPDIF input, auto switching
- 24 bit, 96KHz delta-sigma DAC
- 4 band parametric shelving EQ
- Two way Linkwitz Riley aligned crossover, with swappable frequency modules.

Amp: custom DIY
- 100 watts X 4 configured in a biamped arrangement
- MJ21194 pwr-bjt's used in the OPS with 750VA toroid
with four 20,000uf cap banks
- No VI limiting or protection relays (yes, I know)

Speakers: modified Polk RT25i's
- Crossovers removed for bi-amping and a coke can sized Solen film cap added on the tweet
- Woofers replaced with Daytons (I'm cheap) since my amp ruined one of the
originals due to a cold solder in the amp [let the smoke out of the speaker... fire alarm went off ]

Sub: DIY
- Dayton Titanic 10 in a 2.8 cu. ft. slot ported enclosure tuned to 27 Hz
- 300 watt subwoofer amp board from ESP with 300VA toroid
- Thermally controlled fans ( for the occasional party )

I wouldn't consider myself an audiophile... I guess more of an "audiopile"... I will post a pic of the pile soon.
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