You are here

Heavy gain effects pedals into interface - Dumb it down?

For all things relating to guitars, basses, amps, pedals & accessories.

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby garrettendi » Wed Nov 20, 2019 11:39 am

I've already read the gain staging one! I'll have a re-read of it.

Thanks Kwackman!
User avatar
garrettendi
Frequent Poster
Posts: 1891
Joined: Sat Dec 10, 2005 1:00 am
"I mean, Led Zeppelin didn't write tunes that everyone liked. They left that to the Bee Gees"Wayne Campbell (Wayne's World)

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby ef37a » Wed Nov 20, 2019 12:10 pm

garrettendi wrote:I've already read the gain staging one! I'll have a re-read of it.

Thanks Kwackman!

Have a go at this as well...https://testguy.net/content/270-Peak-vs ... MS-Voltage

Unfortunately (as is so often the case) audio terminology is pretty slack. The absolute maximum level for an audio digital signal of 0dB fs is often called "the peak" but it has nothing to do with the above link!

An interface might have a specified output of say +20dBu or 7.75 volts and be referred to as the "peak" output. It is not! It is still the rms voltage.

Signals do of course have an 'average' level and a peak level but they are not the same as the mathematical relationship between rms and average or peak for a sine wave. Rms is basically the 'normal' way we express voltage. Mains is nominally 230V but has a peak value of 325 V peak and twice that for the peak to peak voltage!

Test meters are usually calibrated to measure the average value of a sine wave. Some more expensive ones claim to measure 'true rms' but almost all only do so for 'power' frequencies, 400Hz tops (if yer lucky!) Do NOT rely on them to accurately measure your audio signals.

Dave.
ef37a
Jedi Poster
Posts: 10854
Joined: Mon May 29, 2006 12:00 am
Location: northampton uk

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby Wonks » Wed Nov 20, 2019 1:14 pm

As you can see, Peke to Peke is about 2" in this example.

Image
User avatar
Wonks
Jedi Poster
Posts: 10132
Joined: Thu May 29, 2003 12:00 am
Location: Reading, UK
Correcting mistakes on the internet since 1853

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby Sam Spoons » Wed Nov 20, 2019 2:35 pm

:clap: :clap: :clap: :bouncy: :bouncy: :bouncy:

I think Wonky's peked
User avatar
Sam Spoons
Jedi Poster
Posts: 10529
Joined: Thu Jan 23, 2003 1:00 am
Location: Manchester UK
Finally taking this recording lark seriously (and recording my Gypsy Jazz CD)........

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby Wonks » Wed Nov 20, 2019 2:37 pm

Certainly feeling dog-tired.
User avatar
Wonks
Jedi Poster
Posts: 10132
Joined: Thu May 29, 2003 12:00 am
Location: Reading, UK
Correcting mistakes on the internet since 1853

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby garrettendi » Wed Nov 20, 2019 2:47 pm

I've now got a number of SOS articles to read about all this stuff! Hopefully if there's anything I don't understand, I can badger you fine people!
User avatar
garrettendi
Frequent Poster
Posts: 1891
Joined: Sat Dec 10, 2005 1:00 am
"I mean, Led Zeppelin didn't write tunes that everyone liked. They left that to the Bee Gees"Wayne Campbell (Wayne's World)

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby blinddrew » Wed Nov 20, 2019 4:12 pm

garrettendi wrote: Hopefully if there's anything I don't understand, I can badger you fine people!
Only if you're dogged about it.
User avatar
blinddrew
Jedi Poster
Posts: 8483
Joined: Sun Jul 05, 2015 12:00 am
Location: York
Ignore the post count, I have no idea what I'm doing...

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby garrettendi » Wed Nov 20, 2019 5:09 pm

These dog puns are rotten-weiler

EDIT: Please don't ban me, mods...
User avatar
garrettendi
Frequent Poster
Posts: 1891
Joined: Sat Dec 10, 2005 1:00 am
"I mean, Led Zeppelin didn't write tunes that everyone liked. They left that to the Bee Gees"Wayne Campbell (Wayne's World)

Re: Heavy gain effects pedals into interface - Dumb it down?

Postby blinddrew » Wed Nov 20, 2019 6:41 pm

If they start banning people on the basis of bad puns they'd be barking.
There will be no-one left but, well, three men and a dog...
User avatar
blinddrew
Jedi Poster
Posts: 8483
Joined: Sun Jul 05, 2015 12:00 am
Location: York
Ignore the post count, I have no idea what I'm doing...

Previous

Who is online

Users browsing this forum: No registered users