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BJG145



Joined: 06/08/05
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Loc: Norwich UK
Purring bass
      #1039597 - 24/03/13 11:19 AM
Some bass tracks I listen to have a nice "purring" quality, if you know what I mean. Does anyone have any idea about the science of this tone, what is it in the waveform, what causes it, how do you get it, etc.


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The Elf
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Joined: 14/08/01
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Re: Purring bass new [Re: BJG145]
      #1039601 - 24/03/13 12:04 PM
I use exactly the same word to describe the kind of rock bass I like to aim for - a deep 'purr'. For me it's all in the EQ. A high (80Hz) HPF with a gentle roll-off is a good start. Get rid of the boom and you should begin to hear the purr emerge. It doesn't hurt to add a little mid/high valve-ish distortion to help the illusion too.

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An Eagle for an Emperor, A Kestrel for a Knave.


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Tartaruga



Joined: 04/09/10
Posts: 219
Re: Purring bass new [Re: BJG145]
      #1039635 - 24/03/13 01:20 PM
Hi

Just a remark...
I accidentally saw a guy doing it in a ‘pro’ mixer,but it was longtime ago…I remember he had a second channel to bass and then tweaked phase(with different EQ I suppose+’panning' I think,but not sure)…He was showing someone else how to do it.
Maybe some clue in it…ANW,suddenly,the bass start ‘purring’,and he could choose the ‘quantity’ of the ‘purring’ he wanted to add to the original sound.But I can’t guarantee it…
Probably there are different ways to achieve it (Elf’s example...)

Cheers!


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Tartaruga



Joined: 04/09/10
Posts: 219
Re: Purring bass new [Re: BJG145]
      #1039637 - 24/03/13 01:27 PM
Sorry…
Just thought of the ‘Octave down’ effect,that has that quality too,sometimes...


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Huge Longjohns
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Joined: 10/04/03
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Loc: Where the black rocks stand gu...
Re: Purring bass new [Re: BJG145]
      #1039655 - 24/03/13 06:04 PM
You have to use a Fender Purrcision.

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"The man who questions opinions is wise. The man who quarrels with facts is a fool." Frank Garbutt, inventor & industrialist


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zenguitarAdministrator
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Joined: 05/12/02
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Loc: Devon
Re: Purring bass new [Re: BJG145]
      #1039658 - 24/03/13 06:09 PM
I tried, really I did, but I can't resist....

Try Cat Gut strings

Andy

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When the going gets weird, the Weird turn Pro.


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Hoopy Frood



Joined: 23/04/10
Posts: 191
Loc: Wakefield, UK
Re: Purring bass new [Re: BJG145]
      #1039664 - 24/03/13 08:27 PM
Hi there... I'm curious: could you give some examples of the sort of "purring" sound you mean? I'm finding it hard to visualise* it

*well, you know what I mean... audiolize it...

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I know where my towel is.


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BJG145



Joined: 06/08/05
Posts: 3483
Loc: Norwich UK
Re: Purring bass new [Re: BJG145]
      #1039666 - 24/03/13 08:36 PM
This is an untreated clip from what I was listening to...

Bass purr



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Madman_Greg



Joined: 07/12/06
Posts: 729
Loc: The back of beyond
Re: Purring bass new [Re: BJG145]
      #1039674 - 24/03/13 09:26 PM

I've got a Bass that growls..

Its an early 70s Shaftesbury 'Ned Callan'

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Madman_Greg


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The Elf
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Re: Purring bass new [Re: BJG145]
      #1039676 - 24/03/13 09:32 PM
Ah, bless! My pussycat spends a great deal of his days upside down like that where he finds the warmest place in the house!

An example of what I perceive as bass 'purr': The Old Road (There are better examples on this particular album, but this song will do for a starter).

--------------------
An Eagle for an Emperor, A Kestrel for a Knave.


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BigRedX



Joined: 03/09/04
Posts: 298
Re: Purring bass new [Re: BJG145]
      #1039684 - 24/03/13 10:31 PM
I'm a bassist and I have no idea what the OP means...

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RockinRollin' VampireMan


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monkfish



Joined: 21/09/04
Posts: 48
Re: Purring bass new [Re: BJG145]
      #1039689 - 24/03/13 11:02 PM
no Flea jokes?


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The Elf
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Re: Purring bass new [Re: BigRedX]
      #1039690 - 24/03/13 11:06 PM
My idea may well be off the mark of the OP, but for me that 'purr' is when you can hear each vibration of the bass string on the low notes - each 'r' of the word 'purrrrrrrrrrr'!

You get the same thing from a well-recorded Moog Taurus bass pedal - you can feel each pulse of the note.

--------------------
An Eagle for an Emperor, A Kestrel for a Knave.


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BJG145



Joined: 06/08/05
Posts: 3483
Loc: Norwich UK
Re: Purring bass new [Re: BJG145]
      #1039711 - 25/03/13 07:07 AM
Thanks for the pointers Elf. I can see now that part of what I'm thinking of as "purr" is in a higher buzzing frequency, together with what seems like a lower, slower pulse, almost like tremolo or something. I can see why it's called "growl" because there's that "aum"/"wow" tonal change as the buzz dulls, like a filter sweep. (I associate this kind of tone with Warwick basses, but I don't know that many types.)


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4TrackMadman
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Joined: 30/10/02
Posts: 1750
Re: Purring bass new [Re: BJG145]
      #1040010 - 26/03/13 08:23 PM
Do you mean a Glenn Hughes kind of sound? or Billy Sheehan?

Both have a "purring" quality, one is distorted more rock I guess, while the other is a bit more clean with the highs rolled off.

When I played a show with the bassist from Symphony X (Mike LePond) he revealed a trick for his sound - a Sansamp Bass DI plus one of the big Ampeq fridge amps, both running in paralel in FOH. I think he played either a Yamaha or a Peavey with active pickups. Its a bit blurry but he had the best live tone, but as they say - probably most of it is in the fingers.

--------------------
www.descentintomadness.com


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_ Six _



Joined: 03/06/06
Posts: 1504
Re: Purring bass new [Re: BJG145]
      #1040029 - 26/03/13 11:33 PM
I've really taken to a touch of chorus on a bass lately... and adding a bit of parallel compression with the kick mixed in for added smoothness.


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