John Curl's Blowtorch preamplifier part II

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#86,763
simon7000 said:
JN,

The consultant driven specifications often call for 10 gauge wire for all the drivers including the compression driver. For some strange reason I find four pairs of 20 gauge with the same twist and very thin 300 volt insulation work much better.

My prior specification compliant design used 110 strand 10 gauge copper wire with a very thin insulation. The new stuff works better. It also requires less equalization for air induced high frequency losses. Wonder why? 🙂

ES
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Ed, pairs run separately or how??

Also is the inductance different in these two configurations?
(EDIT, just read yr last post, so I guess it is different)

Curious.
 
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#86,765
In terms of things you spot at one stage from your first boombox which, once heard cannot be unheard is noise gates. On some tracks you really wish they hadn't bothered!

BTW SY, playing redbird bingo at the moment ticking off all the sounds from the 'thank you' list in the liner notes, but can't work out the background whirr. At first I though it sounded like a tape motor, but that doesn't make sense, so assume its a fan or air con running.

For everyone else, if you don't have redbird, pick it up. Even if you don't like the music its purist recording at it's very best. Three musicians, one stereo mic. A really good system test.
 
#86,767
billshurv said:
BTW SY, playing redbird bingo at the moment ticking off all the sounds from the 'thank you' list in the liner notes, but can't work out the background whirr. At first I though it sounded like a tape motor, but that doesn't make sense, so assume its a fan or air con running.
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Good catch! It's the DAT machine. There's actually four people playing- Goody joins the fun on guitar on several tracks, and he is a remarkable player. He has about 30 more hours from those sessions which he has promised to let me go through next time I'm in Austin.

"Ships" is one of my favorite songs ever. If you go over to YouTube, there's a video of them playing this at Cafe Carpe which is hilarious (once you know what the song is supposed to be).

edit: Redbird goofing on Ships
 
#86,774
Bonsai said:
I read somewhere (maybe it was on this site) that one of the issues with mixing nowadays is that the mastering engineers tend to play the music too loud and as a result often dial the bass down. If you listen to most speakers, when you dial the volume down, the bass drops off as well. This is more a function of how human hearing works than the actual speaker I surmise. I have many CD's that are fantastically well mixed (try Dianna Krall, Yo-yo Ma, Ry Cooder, Ryan Adams to quote a few examples). Then there are others that have me wondering where the bass went - they are just sub par. There are a few producers that know how to produce a really good recording, and probably reign in errant mixing engineers - we need more of them around and perhaps we would spend our time listening and not tweaking as much.
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Yes... Sometimes you listen a MoFi or such released like a 45rpm, and you realize how deep and impact impact-full music you already know can be. I mean, drums are damn loud in person, how can they be quiet when the volume is set so the singers voice is way louder than possible without amplification, and the person is playing hard on drums?
 
#86,780
SY said:
Perhaps Goody is a better recording engineer than you are. I will 100% guarantee he's a better guitarist. 😀
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I heard a few youtubes of it. Smeared digital sonics. I'm learning more and more about what you think is good sound.

I played a mean guitar with a synth and some overdrive pedals. AND very unfortunately all my stuff is archived on DAT. :headbash: If I could rewind I'd do it much differently.
 
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