Cal Audio Labs Sigma

California Audio Labs Sigma II D/A converter | …

https://www.stereophile.com/digitalprocessors/700cal/index.html

California Audio Labs Sigma D/A processor - …

https://www.stereophile.com/content/california-audio-labs-sigma-da-processor

California Audio Labs Sigma II DACs user reviews : 4.8 out ...

http://www.audioreview.com/product/digital-sources/dacs/california-audio-labs/sigma-ii.html

California Audio Labs Sigma II DACs DESCRIPTION 96 Khz Analog Tube DAC [Jan 05, 2004] victorcleaner AudioPhile Strength: Boulder, Cary, Bryston, Theta, Audio Note, Tact, NAIM, Krell, Jeff-Roland, Linn, Oracle, Kuzma, Bellini, the list goes on and on… my personal favorites being Wilson Audio (hands down), Cary or Jeff-Roland, and Wadia.

California Audio Labs Sigma mkII Tube DAC – SkyFi Audio

https://skyfiaudio.com/products/california-audio-labs-sigma-mkii-tube-dac-wonderfully-warm

California Audio Labs Sigma mkII Tube DAC – SkyFi Audio California Audio Labs Sigma mkII Tube DAC $0 This little box was quite a unique piece when it hit the market as few companies made a highly acclaimed DAC with a tube output stage. This helped take the edge off of CD’s, especially those that were recorded in the early 80s and 90’s.

California Audio Labs Sigma ll | DA Converters | Audiogon

https://www.audiogon.com/listings/lisafaff-california-audio-labs-sigma-ll-da-converters

California Audio Labs Sigma ll for sale. Very clean, great sounding unit. Fully tested. Still sounds a lot better than a lot of DAC's today. This will be carefully packed for a safe journey. Questions? Please call us @ 206-462-5227

Is my Cal Audio Sigma II too old? - Audiogon Discussion Forum

https://forum.audiogon.com/discussions/is-my-cal-audio-sigma-ii-too-old

The dac chip in the Cal Audio Sigma II is an old Cirrus Logic Delta Sigma, in my opinion not worth hanging on to. If you play pcm "redbook cd flac files" as you said, then you should go with a R2R Multibit type dac, look at the Schiit Yaggdrasil.

California Audio Labs Sigma II DAC review — Polk Audio Forum

https://forum.polkaudio.com/discussion/182806/california-audio-labs-sigma-ii-dac-review

California Audio Labs Sigma II DAC review. Clipdat Posts: 10,092. July 2018 edited July 2018 in Electronics. I purchased a used California Audio Labs Sigma II Tube Analog Processor (DAC) from our very own @MrBlackCrow back in April of this year. I was contacted via PM with the offer to purchase it, and after a day of research I accepted.

California Audio Labs Sigma II mods | Headphone Reviews ...

https://www.head-fi.org/threads/california-audio-labs-sigma-ii-mods.834026/

Second California Audio Labs Sigma 2 mods. Using a mix of Jensen PIO caps, Mundorf M-Tube. Roderstein Bakelight. Epcos-TDK Caps similar to Sikorel. Some of the caps have been doubled up, the upper dummy cap will have its leads shorted to reduce EM output and to reduce bloom effect by keeping the upper end of the cap foil windings from breathing.