Recent content by Laughing Heart

  1. Laughing Heart

    Crown amp?

    Back then in 1994, my musician friend had the Yamaha P3500, (used by Bob Clearmountain to drive his infamous NS1O's) we auditioned some "HiFi" type amps in the "audiophile" shops, he then suggested looking at Professional studio amps, I went to buy the same P3500, but ended up leaving with the...
  2. Laughing Heart

    Crown amp?

    Crown have made many different types of amps and its not the company it once was, now owned by Harman. I have owned a Studio Reference II power amplifier since 1994, still going strong, a very well built amplifier designed for recording studio's or for mastering and to drive large main monitors...
  3. Laughing Heart

    Stax SRM-Xh Review (Electrostatic Headphone Amp)

    My understanding is that the bias supply is for the actual electrostatic charge, 230 volts on older models and 580 volts in newer Pro Bias models. I thought that the fluctuating music +/- signal is seperate to the 580 volts bias supply, and that it also requires quite a lot of voltage to drive...
  4. Laughing Heart

    Stax SRM-Xh Review (Electrostatic Headphone Amp)

    The A90 is a Headphone amplifier / preamplifier, although powerful for a head amp, it wasn't designed, nor would it have enough power to drive speakers, (it has no speaker terminals). The SRD-7Mk2, SRD-7Pro were designed to connect to the speaker outputs of a poweramplifier or integrated...
  5. Laughing Heart

    Stax SRM-Xh Review (Electrostatic Headphone Amp)

    Amirm, It would be interesting to see how one of the better transformer box adapters, (one in good condition) like a STAX SRD-7Mk2 or SRD-7PRO driven by a good quality amplifier measures, as I have no shortage of what sounds like, very clear undistorted power, which could easily cook my...
  6. Laughing Heart

    Stax SRM-Xh Review (Electrostatic Headphone Amp)

    I have a SRD-7Mk2 which has both a Pro and older Standard outputs, I've only ever used the Pro output with my SR-L700 ear speakers, connected to a 27KG Crown Studio Reference II, power amp, it is complete overkill for driving the L700's. I have the power amps volume pots set to about 10 o'clock...
  7. Laughing Heart

    Sabaj A10h Review (Headphone Amplifier)

    The switchable Preamp (Pr 1 - RCA out) or Headphones (Pr 0 headphones out) function is sadly not available on the higher end balanced Sabaj A20h, it only has XLR / RCA inputs, no line output option to take advantage of its relay volume control like the A10h. I am interested in the complete A20...
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