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Post by theshea on Nov 19, 2022 9:12:16 GMT -6
had some fun today. wanted to crank my Vox Ac30 CC2x w/Blue Alnico speakers in the studio. normally i don't do that, usually when recording i have the master volume between 1/4 or 1/3. but man, those power tubes sweeten the sound a lot! more saturation, more compression, more sound.
in the end it doesn't even get THAT MUCH louder: my usual loudness is around 105 db (yeah, i know pretty loud, but i use headphones all the time). the loudness 2m away form the amp with the master volume fully open and cranked is 110-112db.
i can get near the fully cranked master volume a bit when i fiddle with the gain knob – when i am on 1/4 or 1/3 master volume, but it's not quiet the same.
no need to compress in the mix – just look at the waveforms!
listen for yourself:
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Post by Johnkenn on Dec 14, 2022 17:29:45 GMT -6
Yeah you can tell it's cooking a little more with the master up all the way.
So - just out of curiosity, I wondered how close the Axe FX III would be. Here's a Vox AC30 TB playing the same thing quickly.
https%3A//soundcloud.com/user-761067382/axfx-voxtb%3Fsi%3D9c0e6d5ffab945789d1950bf690b5701%26utm_source%3Dclipboard%26utm_medium%3Dtext%26utm_campaign%3Dsocial_sharing
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Post by bgrotto on Dec 15, 2022 14:58:45 GMT -6
in the end it doesn't even get THAT MUCH louder: my usual loudness is around 105 db (yeah, i know pretty loud, but i use headphones all the time). the loudness 2m away form the amp with the master volume fully open and cranked is 110-112db. Not totally sure I remember my engineer-y math, but isn't this just about twice as loud? |
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Post by theshea on Dec 16, 2022 1:43:04 GMT -6
in the end it doesn't even get THAT MUCH louder: my usual loudness is around 105 db (yeah, i know pretty loud, but i use headphones all the time). the loudness 2m away form the amp with the master volume fully open and cranked is 110-112db. Not totally sure I remember my engineer-y math, but isn't this just about twice as loud? you mean the +/-6db is half/double as loud rule? |
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Post by theshea on Dec 16, 2022 1:43:54 GMT -6
Yeah you can tell it's cooking a little more with the master up all the way. So - just out of curiosity, I wondered how close the Axe FX III would be. Here's a Vox AC30 TB playing the same thing quickly. https%3A//soundcloud.com/user-761067382/axfx-voxtb%3Fsi%3D9c0e6d5ffab945789d1950bf690b5701%26utm_source%3Dclipboard%26utm_medium%3Dtext%26utm_campaign%3Dsocial_sharingcan‘t click on the link on my phone. will try on my computer |
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Post by theshea on Dec 16, 2022 2:00:13 GMT -6
ok just heard in on my headphones, sounds "in the ballpark" but not really convincing me. if it was my recording, i would 100% prefer miking an ac30 than using the Ace FX III ...
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Post by bgrotto on Dec 16, 2022 23:33:32 GMT -6
Not totally sure I remember my engineer-y math, but isn't this just about twice as loud? you mean the +/-6db is half/double as loud rule? Exactly, yeah. I think there's some big asterisk that comes with that 'rule', or maybe I'm flat-out misremembering. Maybe in terms of acoustic energy it's closer to 10db? I dunno...I just move the faders and knobs till shit sounds good...🤷🏻♀️ |
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Post by jcoutu1 on Dec 19, 2022 20:41:20 GMT -6
you mean the +/-6db is half/double as loud rule? Exactly, yeah. I think there's some big asterisk that comes with that 'rule', or maybe I'm flat-out misremembering. Maybe in terms of acoustic energy it's closer to 10db? I dunno...I just move the faders and knobs till shit sounds good...🤷🏻♀️ Every doubling of distance is -6dB. |
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Post by audiospecific on Dec 24, 2023 9:02:49 GMT -6
Vox Circuit, like all non-feedback amplifiers, lets you do limiting and saturation that the other amps have to compromise electrical parameters for the same effect.
I like to mic them at a little bit of distance so the cab is represented without it getting too boxy. Of course stereo micing techniques are really cool too.
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Post by theshea on Dec 26, 2023 6:32:08 GMT -6
Vox Circuit, like all non-feedback amplifiers, lets you do limiting and saturation that the other amps have to compromise electrical parameters for the same effect. I like to mic them at a little bit of distance so the cab is represented without it getting too boxy. Of course stereo micing techniques are really cool too. well after 20 years, yes, i am still experimenting when miking an amp … and the „a sm57 is enough/i hate the sm57“ cycle keeps spinning and spinning. lately i like a jz amethyst vintage 30 cm away. |
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Post by audiospecific on Dec 26, 2023 11:21:32 GMT -6
Vox Circuit, like all non-feedback amplifiers, lets you do limiting and saturation that the other amps have to compromise electrical parameters for the same effect. I like to mic them at a little bit of distance so the cab is represented without it getting too boxy. Of course stereo micing techniques are really cool too. well after 20 years, yes, i am still experimenting when miking an amp … and the „a sm57 is enough/i hate the sm57“ cycle keeps spinning and spinning. lately i like a jz amethyst vintage 30 cm away.
The only 57 I have is from someone trading me it for an E835.
The only other Sure mic I have is a couple of SM7b that I modded about 20 years ago with dynamic mic step up transformers, that sound awesome live and recording and it freaks sound guys out when I bring them out to mic it with a band I'm working with because they think it would have to have some sort of cloud lifter thing for it to work. The broadcast techs are especially shocked when they see & hear it on a PA.
Needless to say, I might use the 57's transformer if I feel the need to mod another SM7.
But yea, try different stuff, because there is all kinds of tones you can get. An interesting favorite is using a cheap figure 8 ribbon sideways and to the side of the cab about 20 cm away at the same time a SM7 or a e835 pointing in from the front about 30cm away.
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Post by frans on Dec 28, 2023 4:45:16 GMT -6
My AC15 actually is not loud enough for some bands playing together :-) It's still fine for recording. For the cases where a Blue Bulldog speaker is too screechy, i have a Fane A60 which does basically the same thing, just more even IMHO.
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Post by M57 on Dec 28, 2023 6:27:11 GMT -6
Exactly, yeah. I think there's some big asterisk that comes with that 'rule', or maybe I'm flat-out misremembering. Maybe in terms of acoustic energy it's closer to 10db? I dunno...I just move the faders and knobs till shit sounds good...🤷🏻♀️ Every doubling of distance is -6dB. I forgot about that rule. ..but what how many dB does it take to double volume, and how many to double 'perceived' volume. I kind of remember learning that those are two different numbers.. +3dB and +5dB respectively?? Hmm.. a quick search yeilded this.. Which got me to thinking; do humans have built-in compressors dialed in to approximately a 3:1 ratio? |
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Post by frans on Dec 29, 2023 8:23:58 GMT -6
Which got me to thinking; do humans have built-in compressors dialed in to approximately a 3:1 ratio? Yes, the human ear has compression built in. These little parts behind the eardrum are like a gear box. The mini-muscles can tighten and so lower the received SPL. The release is pretty slow, it can take a few hours or a day, depending on how hard the ear is hit. If you get old, the muscles aren't as elastic and efficient and can fail to pull down the volume in your ears ... so it's too loud for you. So as with every muscle, use it or lose it. |
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