Judged strictly as a linestage for $5,495, the Coffman G-1A is at the top of its class.  The fact that it includes an excellent phonostage and headphone amplifier makes it the bargain of the year.

[…]We award the Coffman Labs G-1A one of our Exceptional Value Awards for 2012 and look forward to the company’s future offerings.  Coffman is certainly off to a brilliant start.  I have purchased the review sample, so that it can become an anchor component….

—Jeff Dorgay, Tone Audio

Without a doubt well deserving of the Recommended award and I defy anyone who hears this pre in a decent system to say otherwise. Had this review been written in 2013 the pre would have been my joint “electronics” product of the year along with the Iridium power amp I’m now using. Do I hope to do a deal for the demo unit? – yes I do !

—Stuart Smith, Hifi Pig

Once I saw [the G1-A] in person I knew it was one of the most beautiful audio components on the market. The feel of the control knobs and the metalwork’s fit and finish are state of the art.

— Steve Guttenberg, c|net

Listening to the Prautes with the Audeze LCD-3 headphones, I was struck by its exceptional tonal detail, clarity, and depth. This is a a headphone amp that provides enormous inner detail and texture, while still maintaining loads of dynamic capability and a startling amount of oomph. I found it less thick than other similar tube amps; it has a lot of drive without sounding overly warm or slow. Transients shimmered, and the adjustable bass and impedance meant that it was easy to tweak to just the right balance of power and shimmer. It’s a truly excellent piece of kit, and one that I would love to spend more time with.

[…]Prautes was the ostensible star of the show[….]

—Kirsten Brodbeck-Kenney, Part-Time Audiophile

Compared to a few other things we’ve heard in this price range, the Prautes is good enough to stand its ground with any $4,000 linestage you might come across, and the headphone amp is a bonus. While you’ll probably buy it as a top of the line headphone amplifier, it’s nice to know that you can press it into service should your system requirements expand in the future.[…]

In my opinion, if you’re going to do something, do it all the way.  If you love personal audio and you want everything your phones are capable of delivering, put the Prautes on your must have list.

—Tone Audio


Of all the combinations of music and equipment I’ve ever tried, the K702, H1-A, flat EQ, and modern acoustic jazz music is the most outstanding due to the impeccable recreation of the live performance it creates. I was completely unaware that music can be captured and played back in such a seamless manner. […]

Its remarkable affect on soundstage also contributes to the feeling of sitting in a large concert hall. I honestly had no idea that it was possible to recreate a live listening experience so closely.

—Sheldon Kreger,