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A Designs 500 HR Rack Reviews

4.0 stars based on 4 customer reviews
  • Bryan Savage
    from Glenwood Springs CO July 12, 2014Music Background:
    Professional Saxophonist/Flutist

    Great if you just have 2 modules

    This is a great way to turn two 500 modules into a one rack space piece, and unit worked well when I tried it out.
    I did have trouble fitting 500 modules into this box. I had to remove the metal covers on the units so they would fit into the A 500 HR Rack. So there is some lacking in compatibility between manufacturers which needs to be addressed, if its not too late, with so many 500 units out there.

  • Jeff
    from Morganton, NC January 31, 2012Music Background:
    Home studio, Pro musician

    Like it....

    This rack keeps the look of the studio very uniform, unlike half-filled lunch boxes. Very easy to install components. Cool piece of gear.

  • Jerry
    from Iowa January 17, 2010Music Background:
    Recording Engineer since 1969

    World class construction, but no gold on XLR's

    I was looking for a nice rack mount chassis to hold two 500 series modules. Since API quit making their 500R unit, this A Designs 500HR fills the void in the market for all of us folks who just need a two module rack mountable chassis.

    The mechanical construction of this piece is top of the line world class, very sturdy, and superbly manufactured. The power supply inside the unit is the same supply A Designs uses in their Pacifica preamp. Nicely filtered and regulated providing 175mA per each + and - 16V rail. Note: Buzz Audio doesn't recommend using their products with this unit because of power supply noise, but the supply seems to be fine with most other 500 series preamps.
    This 500HR would have received a 5 star rating from me if they would have used gold plated XLR connectors.

    I recommend putting some Caig Labs DeOxit Gold G100L-2C on your new 500 series module pc board card edge connector pads prior to installation in the 500HR to prevent galvanic oxidation from forming between your module pads and the 500HR connector contacts.

  • Adam Woloszyn
    from Chicago October 11, 2012Music Background:
    Producer, sound design

    Good but

    I have to say that you have to be careful whith this unit with preamps because of the internal power supply. I used a Chandler 500 series preamp and it made a buzz/humm. It works fine with eqs and compressor but be careful using preamps.

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