Here is a complete and updated description and list of my audio gears and setups as of June 03, 2007. First is a list of equipment, then a detailed signal path of each setup. (June 23: Pics added for Darths and DT880)

Equipment

Sources
• Computer: FLAC encoded music, bit-perfect digital optical/coaxial output.
• Entech Number Cruncher 205.2 DAC (Digital-to-Analog converter)
• Sony SCD-CE595 5-disc SACD changer
• LG DR1F9H Super Multi DVD Recorder
• Technics SL-220 turntable with Grado Labs Green cartridge
• Ipod Shuffle 1st Gen. 512MB
• Ipod 3rd Gen. 40GB

Amplifiers
• Meier-Audio Corda HeadFive (headphone amplifier)
• Sonic Impact T-Amp (speaker amplifier)
• Sansui G-5500 (Stereo receiver)

Headphones

• Headphile.com Darth Beyers V2, Paduak (Woodied and recabled Beyerdynamic DT770Pro/80Ω)
• Beyerdynamic DT880 (2003 model 250Ω)
• Grado SR-225 (Sennheiser HD414 earpads)
• Grado SR-60 (Grado Labs "bowl" or "comfy" earpads)
• Koss KSC75 (aftermarket headband and custom DIY cable)

Cables
• Cross Roads iPod lineout dock (Head-fest 2007 edition)
• Acoustic Research PR181 6' (Digital Optical cable)
DIY cables:
• 8ft. headphone extension cable (Nuetrik NP3C 1/4" plug, 4x 24guage SPC, Neutrik NJ3FC6 1/4" inline jack)
• 4 mono RCA cables: Neutrik NYS373 RCA plugs, four 24 gauge SPC wires per cable, sleeved in black 1/4" Tech Flex PET2-C-BK
• Blue Jeans Cable 10 foot 75Ω digital coaxial audio cable, 1.8" mini plug to RCA plug, white
• Blue Jeans Cable 1.5 foot 75Ω digital coaxial audio cable, RCA to RCA, white

Other Items
• Astron RS-12A (13.8Volt 12Amp DC power supply, for T-Amp)
• Coming Soon: Mapletree Audio LR 1 source switcher and amplifier selector (4 inputs, 2 outputs)


Setups

Computer Setup: Most listened to
FLAC encoded music files -> Foobar2000 ASIO Output -> Creative Soundblaster X-Fi Platinum in Audio Creation Mode with Bit-Matched playback -> Digital Coaxial Output -> 10 foot Blue Jeans Cable digital coaxial cable -> Entech Number Cruncher 205.2 DAC -> Stereo line-level output using two 6-inch DIY RCA cables -> Meier-Audio Corda HeadFive headphone amplifier -> Headphone of choice :)

SACD listening
Sony SCD-CE595 5-disc SACD changer -> analog stereo output using DIY RCA cables -> Meier-Audio Corda HeadFive headphone amplifier -> Headphones of choice :)

Vinyl Listening
Technics SL-220 turntable with Grado Green cart. -> phono stage in Sansui G-5500 stereo receiver -> Speakers OR tape out to Meier-Audio Corda HeadFive headphone amplifier -> Headphones of choice :)

TV and DVD watching
LG DR1F9H Super Multi DVD Recorder -> digital coaxial output -> 1.5 foot Blue Jeans Cable digital coaxial cable -> Entech Number Cruncher 205.2 DAC -> Meier-Audio Corda HeadFive headphone amplifier -> Headphones of choice :)

Portable
Lame 3.97 encoded MP3 files using Fast V2 parameter ("Standard" preset) -> Ipod Shuffle 1st Gen. 512MB -> Koss KSC-75 headphones (aftermarket over-the-head headband and DIY cable)