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Recent content by teemuk

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    standby switch, whats up with the snap, crackle, pop?

    The switch may have simply been worn out and no longer works properly. Wouldn't be the first stand-by switch with that symptom. Basically, each time you switch a mechanic switch it's contacts will bounce somewhat. When a stand-by switch switches a high tension voltage of power supply it also...
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    Would you rather have Asian P2P or USA PCB?

    Each and every technique can be used to build an extremely reliable and easily serviceable unit, or a pain-to-service reliability nightmare. It's all in finer details than simple PCB vs. PTP. And concerning reliability, stuff we send to space has been all PC boards and surface mount components...
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    Optimizing tube/valve life

    Yes, you are correct. See my edit.
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    Optimizing tube/valve life

    HT-5, as far as I remember, doesn't have a stand-by switch. The feature is, on the other hand, implemented properly (unlike 99% of usual stand-by switches) and fully automatic. Edit: There is stand-by switch in mk I HT-5 but not in mk II. In both the stand-by feature does not disrupt HT plate...
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    How many controls does an amp need?

    The more controls there are the more you can fine tune your tone to your preference. Sometimes simple controls just don't cut it when you have to adjust to different environments or different tones altogether. This regardless of how great "base tone" the amp provides. I wonder... How many of you...
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    Oh no, they're going after amps now too

    Yes, but people who created such cultures were rebellious, innovative and - first and foremost - true to themselves. They didn't follow an image, they created it. These people had worn clothes because they couldn't afford new ones and their guitars and amps were worn because they were constantly...
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    Walls of Marshalls - how

    In 1968 state-of-the-art PA was a 100W amp and a bunch of column speakers. On a stadium one could daisy chain 10 such amps and produce impressive power rating of 1000 watts. (Lesser venues naturally couldn't afford such thing). Speakers placed round the venue would have phase delays so it was...
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    Walls of Marshalls - how

    Those old huge rigs look impressive but sound horrible. Back in the days you couldn't hear Jimi Hendrix singing if he plucked the strings at the same time and you certainly couldn't make out how great his tone was from all that deafening roaring. ...and I can't even imagine phase delays of...
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    Interesting Rory Gallagher Rig - Tweed Bassman and a Brownface Concert?

    I spot at least the Stramp's Marshall clone used by the bassist. Rory himself frequently used two solid-state Stramp Power Baby amps. Not sure if on this gig, though.
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    Speaker power handling and amp power ratings

    These two ratings are not totally comparable in the first place. Amp's output power is generally what it produces to x ohm nominal load with a sinusoid output having very low distortion. Speaker's power handling, on the other hand, is the input power the driver withstands without failing when...
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    Aiken's Reactive Dummy Load.

    What you describe is known as isolation cabinet. The problem is that they are heavy, typically limited in driver selection, do not really isolate sound to whisper levels (though can attenuate some), peak bass, the internal volume does not compare to "free air" where cabinets typically are used...
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    Leslie West's Sunn Amps

    AFAIK, Quilter built amps with master volume controls already in 1968 and there's a master volume control in, for example, Fender Super Showman amp (1969). I recall Quilter labelled the control differently though, and while control in Fender was for overall loudness the Quilter feature was for...
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    Jimmy Page's comments about amp used on Whole Lotta Love

    If you look at UL Vox preamp schematic objectively it basically features just a (hard) diode clipping distortion followed by a simple T-notch mid-range control and active bass & treble controls. There's really more finesse in a Gorilla amp with "Tube Crunch" effect and I'm not even joking. But...
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    Leslie West's Sunn Amps

    Since mid 1960's there were several solid-state amps that cascaded a built-in "fuzz" effect circuit to the signal path. Same thing.
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    Jimmy Page's comments about amp used on Whole Lotta Love

    What's that other amp head (not the UL Vox) on top of the other Transonic. ...And weren't those actually self-powered cabs?
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