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Stellar Gain Cell DAC

Full featured DAC and analog preamplifier

Built in Boulder
This product is available for preorder. Your credit card will not be charged until the unit ships

There isn’t a DAC made that doesn’t benefit from a great analog preamplifier. The Stellar Gain Cell DAC combines the benefits of both—a full-featured DAC with an exceptional analog preamplifier controlling its output level. Fully balanced circuitry from input to output, the Stellar Gain Cell DAC builds upon years of research and innovation in the art of digital audio and Class A analog amplification. Together, or separately, they create an extraordinarily rich, full-bodied musical experience few standalone products can match. Stellar Gain Cell DAC is the perfect foundation for those unwilling to compromise sound quality. Rich. Lush. Powerful. A music lover’s answer to spiraling cost-no-object equipment without sacrifice.

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This product is available for preorder. Your credit card will not be charged until the unit ships

Stellar Gain Cell DAC

This item will be released for delivery on March 15, 2017. Reserve your place in line today.

Product Description

Even the best DACs in the world benefit from a zero-loss analog preamp. That fact was the basis of the Stellar Gain Cell design imperative. Combine a cutting edge DAC’s output with a no compromise analog preamplifier. A unique combination of a gorgeous full-featured digital to analog converter and state of the art analog amplification. Add any analog or digital source to Stellar’s input, a power amp and speakers to its output, and music filled with rich textures and toe-tapping energy surprise and delight even the most critical Audiophile.

At the heart of Stellar Gain Cell DAC is a stunning, Bob Stadtherr designed, digital to analog converter. Based on industry leading Sabre32 bit Hyperstream architecture, Stellar DAC features a fully balanced Class A analog output stage with multiple power supplies, independent jitter-reduced inputs, DSD, I2S, and asynchronous USB.

The DAC’s output level is controlled by the analog Gain Cell. Developed in the early 2000’s by PS Audio founder Paul McGowan, the Gain Cell elegantly solves the fundamental problem facing preamp designers. Volume control. Nearly all analog preamplifiers use additional sonically-degrading elements inserted in the signal path to control volume. These impediments to the signal path’s purity range from simple potentiometers to exotic stepped attenuators, relays, solid state switches, ladder networks, transformers, light dependent resistors. All share intrusive elements in the signal path. The Gain Cell eliminates this problem without additional circuitry in the signal path by varying its gain in response to front panel controls.

If you’re able to invest in a cost-no-object performance, you’ll want the BHK analog preamplifier and DirectStream DAC. For everyone else who refuses to compromise music’s promise, Stellar represents breakthrough performance at stellar pricing.

  • Class A balanced analog preamplifier
  • Full function DAC
  • Class A headphone output
  • Remote control
  • Fixed or variable DAC mode
  • 2 output 12 volt triggers

Analog preamplifier

  • One balanced analog input
  • Three single ended analog inputs
  • Analog Gain Cell stage
  • Fully balanced input to output
  • Balanced XLR analog output
  • Single ended RCA analog output
  • Direct coupled without any capacitors in output signal path

Digital To Analog Converter

  • Four digital inputs
  • I2S input
  • Digital Lens technology
  • Three user selectable digital filters
  • Compatible with PS Audio DMP for SACD playback in DSD
  • DSD direct through I2S
  • 192kHz asynchronous coax and TOSLINK inputs
  • 192kHz asynchronous USB
  • Single and double rate DSD
  • CPLD input (FPGA) lowers jitter, waveshapes, reduces propagation delay
  • Native mode standard
  • No added Sample Rate Conversion
  • High current class A hybrid output stage
  • Passive output filter lowers transient distortion
  • Direct coupled without any capacitors in output signal path
  • High bandwidth output stage -3dB 60kHz
  • Low jitter clocks
  • High Current oversized analog power supply
  • 7 voltage regulators
  • High speed power supply diodes
  • Massive 15,000 mFd low ESR capacitors
  • ESS Hyperstream


It's just better, plain and simple

Troy Baldwin

After swapping the Pioneer SA-8500 for the Stellar GCD I sat down and pressed play and set the volume on the Stellar GCD, closed my eyes once again. I couldn't believe that "One" could sound even better. It's just better, plain and simple. Stellar made the music come to life even more. Everything you want to be better when you're listening to music was better. Throw out any audiophile adverb and whatever it is, it was improved. I'm not using balanced XLR cable connections or audiophile power cables or even a power conditioner. These are gold plated Parts Express RCA connections and copper speaker wires, nothing special. I have to say my favorite track is Fiona Joy. I can see the hammers hitting the strings with each note, amazing. The snare on track two, wow!!! I can literally reach out and touch that snare at the end of my ottoman. How??? I'm in love! I threw in Nils Lofgren next of course. I personally like Some must Dream better than Keith Don't Go. On the Stellar GCD the separation of the two guitars was more separate. The two voices were more separated also. I could pinpoint their locations better. Even CD's that aren't "great" recordings were "purer"? I could hear things I hadn't noticed before. You can distinguish between each instrument and voices so much better, clearer I guess. Looking forward to the rest of the evenings this week to play. I'm also ripping all my CD's to my NAS through my MAC Mini. I'll be plugging that into the Stellar GCD later this week.

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This is going to be fun!


I’ve listened to a couple of albums now (via JRiver as described above). The sound is already coming alive… in fact, it’s faaaantastic! I’m currently listening to Robert Cray, Strong Persuader (high rez FLAC file). The detail and punch are just what they should be. His voice is clear and centered, surrounded by nicely balanced treble and bass. Another wonderfully engineered recording and the Stellar GCD shows it off in fine fashion. The clarity has improved and the veil has lifted. Wow, this is going to be fun!

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a revelation

L Couplin

Regarding true live and non-reinforced performances; the venue doors swing open and you enter, it is almost a revelation. The lack of anything between you and the musicians, their instruments, is like waking up from a nap in the sun. It is bright, clear, resolute. This Dac-Pre recreates these experiences. The Stellar gives you that cooler day, sparkling clarity, cold when you take a deep breath…and dry…not thick or warm. This is a day you could see for miles and miles. This is the clarity the Stellar is capable of, extreme resolution, deep into the music, stable images, extreme placement of performances.

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Preamp quality: the Preamp function is flawless with 100 very fine steps that change at a slow but reasonable speed when the remote volume up/down button is held down. My other preamp is a Hattor active preamp from poland with dual burson supreme sound v5 opamps which also has 12db of gain and a balanced 64 step resistor based attenuator controlled by relays to only put 2 resistors in the path at once. The gain cell dac was just as transparent as the Hattor, which is known for transparency and perfect left/right volume balance due to the precise resistors used for attenuation. The Gain Cell dac includes more inputs and outputs and this versatility is appreciated vs the smaller Hattor. In general I prefer the gain cell dac's preamp to my Hattor which is a high compliment as the Hattor is audiophile minimal in design and is a two box design with a seperate linear regulated power supply box.

Headphone amp quality: A real bonus that should be advertised more. This headphone amp is superior to the Lehmann headphone amp in my Vinshine soekris dac. A step above in all ways but especially bass which can be a little loose and slow with the Lehmann using my HD800. It was as good as the Schiit Jotunheim I borrowed using the single ended 1/4" jack on the Jotunheim.

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I am keeping it!


So, how does the Stellar GCD’s DAC function compare to either the Benchmark or Light Harmonics Pulse? The Benchmark always struck me as being a slightly less dynamic and easy to listen to, with ever-so-slight hardness in the midrange compared to either the older PS Audio Perfect Wave DAC or the PS Audio Direct Stream DAC that replaced it. Regardless of the Stellar GCD’s shortcomings noted above, it is still better than the Benchmark DAC 2.

With the LH Pulse, the comparison is more nuanced. Light Harmonics exceeded expectations when they came out with the LH Pulse DAC. Honestly, I’ve never owned a better DAC under $2K. I’ve now spent a few hours going back and forth between the Stellar GCD and the LH Pulse. (I’ve got the LH plugged into the second set of analogue single-ended inputs, so I simply move the coax cable from one unit to the other and switch inputs on the GCD.) Maybe, just maybe, there’s a little bit more air in the LH presentation, maybe a little more ease, I think—and then I play the same content on the Stellar GCD and say “nah, couldn’t be! This sounds great!” So, I’d say the Stellar GCD is virtually neck-and-neck with the LH Pulse S. That is high praise!

As a package, then, the Stellar GCD gives you a preamp that sounds fantastic for the price, and also a DAC that sounds fantastic for the price! One chassis, no additional interconnects needed, as simple to operate as anything you might already own. It’s a tremendous value, and a component that will give deep musical satisfaction. Yes, I’m keeping it!

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So far so good! I’m only 75 hours in and I’m absolutely loving my Stellar Gain Cell Dac!! Expansive soundstage, beautiful dynamics, crisp and warm, musical sounding, detailed, sharp looking in black with a gorgeous display, and able to expertly handle everything I’ve thrown at it. From Seal to Chopin, Hebie Hancock to Bach Solo Cello Suites, Adel to the Beatles, and the Who to Frank Sinatra, it all sounds amazing. Voicing of every source is equally well implemented. Streaming, cds and vinyl each sound, well in a word, “Stellar”. Did I mention I love it!!!

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In the room!


The piano was as close to “in the room” as I have heard here. The SACD version of the same album was very good….but, missing some of the clarity that the GCD imparted to the plain old red book CD. The difference, I think, is which DAC is doing the DACing here. The Essence is upsampling LPCM 88.2 to 192K, then pushing it through whatever DAC is in there. The analog preamp part of the GCD is doing a great job with what it is getting from the Essence, but, I have to say, the red book CD version using the GCD DAC and preamp sounds better than the SACD through the Essence DAC thence to the GCD preamp section. This is depressing, given what I had hoped for from SACDs…..but, gives me inspiration to, someday, get a transport that will feed native DSD to my GCD.

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Sitting here listening to the 72-hour-old GCD playing Fragile from the Kenny Barron Trio. Served up via Roon and upsampled to DSD128.
There is a lot going on in this track between the piano, bass, and drum kit. I can hear and differentiate it all. Precise, deep soundstage. I can hear drummer Victor Lewis’ light cymbal and snare taps clearly, and they are coming from the right place. Awesome.

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Significant improvement


I find music I am familiar w/ significant improvement all aspects of the sound, instrument separation is better, I am not setting the volume so high (I believe the Gain Cell is responsible for this) The VPI is the star of the system. There are sounds in the grooves of my lp’s that have suddenly emerged. Dave Brubeck, Robert Glaspher, Donald Fagen, Steely Dan, Snarky Puppy, Stan Getz, Chuck Mangione, Allman Brothers are being rediscovered.

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