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New book on LTSpice Circuit Sim. by Richard Kuehnel.

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  • New book on LTSpice Circuit Sim. by Richard Kuehnel.

    Just saw that he published a new book in September on simulating guitar amplifier circuits using LTspice.
    Guitar Amplifier Electronics: Circuit Simulation
    I have his book on designing output stages, and will probably get this book as well.

    Anyone read familiar with this one yet?
    If I have a 50% chance of guessing the right answer, I guess wrong 80% of the time.

  • #2
    Will buy, thanks for the tip!

    I'm sure I will like it just as his other tube books.

    Edit: Just ordered at amazon.com.
    Last edited by Helmholtz; 12-18-2019, 02:10 PM.
    - Own Opinions Only -

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    • #3
      The Author has published a more theoretical book on using LTSPICE with tube a few years ago, hasn't he?
      (I remember from the now defunct roehrenbude forum).

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      • #4
        Richard sent me a copy (green cover) for review...he also sent me a copy of his newest (red cover) book: Fundamentals of Guitar Amplifier System Design
        Last edited by Old Tele man; 12-20-2019, 11:12 PM.
        ...and the Devil said: "...yes, but it's a DRY heat!"

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        • #5
          Richard sent me a copy (green cover) for review.
          So what is your review?
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          • #6
            Originally posted by Old Tele man View Post
            Richard sent me a copy (green cover) for review...he also sent me a copy of his newest (red cover) book: Fundamentals of Guitar Amplifier System Design
            Uh oh... He didn't say "Watts RMS", did he?
            If I have a 50% chance of guessing the right answer, I guess wrong 80% of the time.

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            • #7
              Unfortunately, he does, especially in the green book; for example, on page 66 in Chapter 3: "At full power, the Champ creates about 5W RMS in a 3.2Ω secondary load."

              And, there are a couple in the red book; one on page 16 in Chapter 1: "...so the amp is at full power, a very loud 60 watts RMS.", and another on page 163.

              However, I believe what he was wanting to convey was that the power levels were created from sinusoidal test input signals and NOT from real guitar "music" inputs....ie: test vs. real-world inputs.
              Last edited by Old Tele man; 12-22-2019, 07:43 PM.
              ...and the Devil said: "...yes, but it's a DRY heat!"

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              • #8
                Originally posted by Old Tele man View Post
                Unfortunately, he does, especially in the green book; for example, on page 66 in Chapter 3: "At full power, the Champ creates about 5W RMS in a 3.2Ω secondary load."

                And, there are a couple in the red book; one on page 16 in Chapter 1: "...so the amp is at full power, a very loud 60 watts RMS.", and another on page 163.

                However, I believe what he was wanting to convey was that the power levels were created from sinusoidal test input signals and NOT from real guitar "music" inputs....ie: test vs. real-world inputs.
                .. so. I guess it has to fall on us, Tele. Are we gonna' let it slide this time?
                If I have a 50% chance of guessing the right answer, I guess wrong 80% of the time.

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                • #9
                  If CE recommends "watts RMS" on product marking, what are you going to do?

                  https://web.archive.org/web/20110722...dards/3108.asp

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                  • #10
                    I decided to use "mean (or average) sine power" instead, here on the MEF to avoid further discussion. Definition being Pav = Vrms*Irms* PF, single frequeny, PF being the power factor (PF =1 for resistive load).
                    In Germany we use the term "Sinusleistung" (= sine power).
                    Last edited by Helmholtz; 12-23-2019, 08:41 PM.
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