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Happy Record Store Day you assholes

2

Comments

  • BennyBeaver
    BennyBeaver Member Posts: 13,346
    I was told there would be no maff.
  • YellowSnow
    YellowSnow Moderator, Swaye's Wigwam Posts: 37,710 Founders Club

    I was told there would be no maff.

    Tell me about.
  • El_K
    El_K Member, Swaye's Wigwam Posts: 1,525 Swaye's Wigwam
    I remember going to Tower Records in Bellevue and just walking the aisles looking at the cassettes and the CD's.
    Sleeping outside to buy tickets to concerts there was a thing too.
  • ApostleofGrief
    ApostleofGrief Member Posts: 3,904

    Ok so @Southerndawg is tabbed for physics consultant of the music bored. Next up what is an OHM and how does that relate to speaker impedance.

    Ohms measure resistance. The lower the resistance the more current by ohm's law (current is voltage / resistance). If there is more current the speaker is louder. Impedance is a somewhat more refined term for resistance including effects of coils and capacitors and phase angles but in common usage resistance and impedance get conflated.
  • YellowSnow
    YellowSnow Moderator, Swaye's Wigwam Posts: 37,710 Founders Club

    i hope all record stores go out of business

    Fuck off and go eat a sauerkraut sammich.
    I actually just ate some sauerkraut
    Sauerkraut was perhaps the Fatherland's greatest contribution to mankind. Kept the sea men from getting scurvy before citrus made its way onto voyages of exploration.
  • Southerndawg
    Southerndawg Member, Swaye's Wigwam Posts: 8,354 Founders Club
    edited April 2018

    Ok so @Southerndawg is tabbed for physics consultant of the music bored. Next up what is an OHM and how does that relate to speaker impedance.

    Ohms measure resistance. The lower the resistance the more current by ohm's law (current is voltage / resistance). If there is more current the speaker is louder. Impedance is a somewhat more refined term for resistance including effects of coils and capacitors and phase angles but in common usage resistance and impedance get conflated.
    Close. Without diving into a discussion on system dynamics, and assuming we're discussing speaker impedance, lower impedance means the speaker will draw more current at a given power setting than a higher impedance speaker will. Keeping it simple, by Ohms Law, P = IV = I^2R, P=power, V=voltage, I= current, R=resistance. Lower impedance does not mean the speaker will be louder, but it does mean it will pull more current from the amp at a given power setting, so low impedance speakers generally need high current amps to fully function lest the signal will clip and distort as the amp is stressed.

    It is also worth noting that speaker impedance is not fixed. Some designs, especially those that utilize electrostatic transducers can see dramatic dynamic impedance drops to one ohm or less. If you want something like that to sound good, you have to invest in a very good high current amp.
  • ApostleofGrief
    ApostleofGrief Member Posts: 3,904

    Ok so @Southerndawg is tabbed for physics consultant of the music bored. Next up what is an OHM and how does that relate to speaker impedance.

    Ohms measure resistance. The lower the resistance the more current by ohm's law (current is voltage / resistance). If there is more current the speaker is louder. Impedance is a somewhat more refined term for resistance including effects of coils and capacitors and phase angles but in common usage resistance and impedance get conflated.
    Close. Without diving into a discussion on system dynamics, and assuming we're discussing speaker impedance, lower impedance means the speaker will draw more current at a given power setting than a higher impedance speaker will. Keeping it simple, by Ohms Law, P = IV = I^2R, P=power, V=voltage, I= current, R=resistance. Lower impedance does not mean the speaker will be louder, but it does mean it will pull more current from the amp at a given power setting, so low impedance speakers generally need high current amps to fully function lest the signal will clip and distort as the amp is stressed.

    It is also worth noting that speaker impedance is not fixed. Some designs, especially those that utilize electrostatic transducers can see dramatic dynamic impedance drops to one ohm or less. If you want something like that to sound good, you have to invest in a very good high current amp.
    Ok. I was reading around the internets and one thing to be aware of us drawing too much current from your amp. So if you swap out 8 ohm speakers for 4 ohm speakers and you are accustomed to a certain volume setting on your dial, you are pushing your amp harder to supply the current, so there is a risk of some kind of blow out somewhere. But, it seems like the kind of thing you can do by feel -- if your amp is smoking hot to the touch or your speakers are starting to distort back off the volume level.
  • YellowSnow
    YellowSnow Moderator, Swaye's Wigwam Posts: 37,710 Founders Club

    Ok so @Southerndawg is tabbed for physics consultant of the music bored. Next up what is an OHM and how does that relate to speaker impedance.

    Ohms measure resistance. The lower the resistance the more current by ohm's law (current is voltage / resistance). If there is more current the speaker is louder. Impedance is a somewhat more refined term for resistance including effects of coils and capacitors and phase angles but in common usage resistance and impedance get conflated.
    Close. Without diving into a discussion on system dynamics, and assuming we're discussing speaker impedance, lower impedance means the speaker will draw more current at a given power setting than a higher impedance speaker will. Keeping it simple, by Ohms Law, P = IV = I^2R, P=power, V=voltage, I= current, R=resistance. Lower impedance does not mean the speaker will be louder, but it does mean it will pull more current from the amp at a given power setting, so low impedance speakers generally need high current amps to fully function lest the signal will clip and distort as the amp is stressed.

    It is also worth noting that speaker impedance is not fixed. Some designs, especially those that utilize electrostatic transducers can see dramatic dynamic impedance drops to one ohm or less. If you want something like that to sound good, you have to invest in a very good high current amp.
    Ok. I was reading around the internets and one thing to be aware of us drawing too much current from your amp. So if you swap out 8 ohm speakers for 4 ohm speakers and you are accustomed to a certain volume setting on your dial, you are pushing your amp harder to supply the current, so there is a risk of some kind of blow out somewhere. But, it seems like the kind of thing you can do by feel -- if your amp is smoking hot to the touch or your speakers are starting to distort back off the volume level.
    This is why you need McIntosh Power Gaurd! No clipping. My McIntosh amp from circa 1980 has this. http://audiokarma.org/forums/index.php?threads/power-guard.27366/
  • ApostleofGrief
    ApostleofGrief Member Posts: 3,904

    Ok so @Southerndawg is tabbed for physics consultant of the music bored. Next up what is an OHM and how does that relate to speaker impedance.

    Ohms measure resistance. The lower the resistance the more current by ohm's law (current is voltage / resistance). If there is more current the speaker is louder. Impedance is a somewhat more refined term for resistance including effects of coils and capacitors and phase angles but in common usage resistance and impedance get conflated.
    Close. Without diving into a discussion on system dynamics, and assuming we're discussing speaker impedance, lower impedance means the speaker will draw more current at a given power setting than a higher impedance speaker will. Keeping it simple, by Ohms Law, P = IV = I^2R, P=power, V=voltage, I= current, R=resistance. Lower impedance does not mean the speaker will be louder, but it does mean it will pull more current from the amp at a given power setting, so low impedance speakers generally need high current amps to fully function lest the signal will clip and distort as the amp is stressed.

    It is also worth noting that speaker impedance is not fixed. Some designs, especially those that utilize electrostatic transducers can see dramatic dynamic impedance drops to one ohm or less. If you want something like that to sound good, you have to invest in a very good high current amp.
    Ok. I was reading around the internets and one thing to be aware of us drawing too much current from your amp. So if you swap out 8 ohm speakers for 4 ohm speakers and you are accustomed to a certain volume setting on your dial, you are pushing your amp harder to supply the current, so there is a risk of some kind of blow out somewhere. But, it seems like the kind of thing you can do by feel -- if your amp is smoking hot to the touch or your speakers are starting to distort back off the volume level.
    This is why you need McIntosh Power Gaurd! No clipping. My McIntosh amp from circa 1980 has this. http://audiokarma.org/forums/index.php?threads/power-guard.27366/
    I inherited an old Harmon/Kardon amp. Stupidly I donated my Dad's old turntable, and just have a cheap one but the cartridge and needle are OK. I suppose I could blow my amp out -- on the back it says 8 ohms but my speakers are 4 ohm.

    But, I think my original question about 45s vs 33rpm is answered. I think the most sound spectrum and true to life reproduction would be on the outer tracks of faster moving records. So the best would be from the outer edges of a 45rpm, the worst from the inner tracks of a 33rpm

    While the geek details are interesting: Of course with volume, beer/drugs, and or women (sex/drugs/rockandroll or wine/women/song) it makes no difference whatsoever.

  • Pitchfork51
    Pitchfork51 Member Posts: 27,680