New Cavalli Audio Liquid Glass Amplifier - Fall Release

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  1. runeight
    Folks, the new Liquid Glass amplifier will be available for delivery at the end of October.
     
    The Liquid Glass is a hybrid amp at the opposite end of the tube-rolling spectrum from the Liquid Fire. The LF does not facilitate tube rolling (although owners still do it. :) ). The LG, OTOH, is designed to maximize tube rolling.
     
    The internal design of the LG gives you the exact sound of whatever tube you are using as though the tube is running stand alone, with no load.
     
    Some of the LG features are:
     
    1. Will work with octals that have 6SN7 basing and novals that have 12AU7 basing.
    2. Front end self adjusts to the tube in use.
    3. The SS buffer will provide about 6W into 50R.
    4. The buffer is transparent to the sound of whatever tube you are using.
    5. There is a front panel selector for 6.3V or 12.6V tubes.
    6. There is a front panel selector for B+ of 300V or 200V. Each triode will see half of this voltage. The 200V setting is for tubes that must run at less than 150V on their plates (like 6922) or tubes like 6H30 that will draw too much current at 150V.
    7. Output is selectable between headphones or preamp out.
    8. Input is selectable between two inputs. Input #1 has a loop out.
    9. The circuit includes the standard CA heater delay and offset protection. The first one protects your expensive tubes and the second protects your expensive headphones.
    10. The circuit also includes the no-rapid-power-cycling power module. This protects everything when you get the inevitable power blip.
    11. The amp can have only one type of tube at a time, either octal or noval, but not both. There is an interference passive interlock that prevents inserting both types at the same time.
    12. There is an internal current sensor on the B+ so that if the tubes draw more than a specified current limit the amp will shut down.
     
    I'll be posting images from the 3D models soon and then pics of the LG that is going to LA shortly before I leave on Aug 16.
     
    If you would like more information or would like to put yourself on the reservation list, please email to liquidglass@cavalliaudio.com. As always, this will be a limited production run.
     
    More to come...
     
  2. mwilson
    Even though I don't have any phones with which I could use it, I will watch this thread out of pure gear curiosity.
     
     
    [​IMG]
     
     
    "9. The circuit includes the standard CA heater delay and offset protection. The first one protects your expensive tubes and the second protects your expensive headphones."
     
    Conspicuously missing is the wallet protector. Funny how no amp seems to include that as a standard feature.
     
  3. dBel84
    The concept of this amp has always been very dear to me and the fact that it is finally becoming a reality is beyond words. I can also tell you that the aesthetic of Alex's design is very appealing and I am sure many will agree when he releases the images.  From the early comments from folk who have heard the sonic abilities of this amp , it is sure to appeal to a wide audience too. There have not been many times that I have enjoyed the sound of the HD800 , EC's BA was the first but the Liquid Glass was the definitive. Kudos to AC for not giving up on this design..dB
     
  4. Glad to hear that this amp is finally seeing the light of day.  Of course, any amp that can compete with the BA on the HD800 is a force to be reckoned with...
     
  5. MacedonianHero Contributor
    [​IMG]
     
  6. paradoxper
    Quote:
    This is gonna get good...
     
  7. sachu
    Finally!!! . I have shared Don's love for the concept and topology of this particular Cavalli amplifier. Never thought i would see the day this announcement would be made...
     
    Sooo very much looking forward to it
     
  8. Anaxilus
    .
     
  9. Audio Addict Contributor
    I look forward to hearing more on this.  Any idea on the pricing?
     
  10. MorbidToaster
    Glad you finally dropped the bomb, Alex. Considering it has a preamp out...Even though I plan on the 009 + LL I could see owning one for speakers some day. 
     
    Really, really looking forward to hearing it. As always.
     
  11. runeight
    Gents, a little late, but here are a few pics. [​IMG]
     
    Note that the amp takes either octals or novals. Notice the arrangement of the sockets so that you can't put both types into one channel at the same time. This is the passive interlock I mentioned above.
     
    The switch and knob are painted to save time, but they will be anodized in production. The control switches are slides because the toggles I wanted weren't available at the time. Production amps will have small toggles. The switches are recessed so that you can't accidentally change the heater voltage or B+ while the amp is on (bad). Indicator LEDs are between each pair of switches. They are white when the amp is operating properly.
     
    The front panel will indeed have lettering in the production version. It is clear anodized after bead blasing so that the mill grain shows through. It's very nice looking in person because the actual color is not as silver as the photos.
     
    Left to right:
     
    Heater: 6.3V/12.6V
    B+: 200V/300V
    Input:  #1 or #2
    Output: Headphones or Preamp
     
    Truth in lending, the demo has a light buzz because the regulator chip is not functioning right. Listeners at the LA meet will hear this slight buzz. But, it's an easy fix, will not be there in production, and I just don't have time left to fix it!!!
     
    LG1.jpg
     
    LG2.jpg
     
  12. sridhar3
    Not sure I care for the aesthetic, but I'm looking forward to hearing how it sounds.  Can we expect to see (hear) one in the flesh at CanJam@RMAF2012?
     
  13. Very interesting... definitely a different look than the rest of the Cavalli line and one I'll need to get used to.
     
  14. runeight
    Quote:
     
    This amp will be at RMAF, but only if you like they way it looks better. [​IMG]
     
    The photos don't really do justice to the look. At least as I see it.
     
  15. Anaxilus
    I think it looks pretty nice.  I can imagine the finish being nicer in person, good choice.
     
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