Sound Lab Minimum Impedance?

home Forums General Discussion Sound Lab Minimum Impedance?

Viewing 4 reply threads
  • Author
    Posts
    • #1165
      Ralph
      Participant

      Sorry for the late response – wish follow up feature worked for me.

      Pretty sure I found it here linked from one of Dr. West’s responses to another SLOG user.

    • #1124
      ACHiPo
      Participant

      Ralph,
      This is great. Thank you! Where did that graph come from?
      Evan

    • #1122
      Ralph
      Participant

      Note that review is twenty years old. I think the following is more representative of current transformer design.

      Attachments:
      You must be logged in to view attached files.
    • #1116
      ACHiPo
      Participant

      After I posted this I vaguely remembered a Stereophile review with measurements, so I have the data I was looking for. The Brilliance Control plays a huge role in what the amp sees. I’m currently running the Brilliance Control at ~1:00 position, which according to the Stereophile article should put minimum impedance somewhere between 2 and 4 Ohms, which should be fine for most good amps.

      https://www.stereophile.com/content/sound-lab-1-electrostatic-loudspeaker-measurements

    • #1115
      ACHiPo
      Participant

      A lot of amplifiers understandably struggle driving impedance below 2 Ohms. I know Sound Lab impedance drops pretty low above 10kHz, but I can’t remember seeing a curve. Where can I find an impedance vs. frequency? If an amp says it can’t be used below 2 Ohms is that a show stopper given the relatively low energy in high frequency music?

Viewing 4 reply threads
  • You must be logged in to reply to this topic.