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Old 11th December 2005, 03:31 PM   #1
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Default Need DIY Bass Guitar slap effect??Help!!

Hi there!!I'm a bass player. I want to build an effect for my bass guitar (slap effect) does anyone can help me?
Actually when i see an expensive combo amp, i see some effect like "punch"/"bright", i want to build that effect which can give my bass a suitable Slap effect. Please help me!!


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Old 11th December 2005, 03:48 PM   #2
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Any parametric eq boost circuit will work, you need the range to span about 800 to 2kHz.
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Old 11th December 2005, 06:47 PM   #3
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I believe the effect should be called "punch" not slap as slapping is a playing technique, not an effect.
As pinkmouse said, an eq or even a good tone control stack will do a good job "brightening" your tone.
You could also consider a slow attack compressor. This will create a peak ("punch") on every note.
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Old 12th December 2005, 12:44 AM   #4
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i have a poor bass amp without any effect (just only parametric EQ). When i play in the other expensive bass amp, i found some switch like "punch"/"bright" when i press that switch my bass sound become tight and suitable for slap and popping.(listen at Victor Wooten plays,Marcus Miller)
My question is, does anyone know what is "punch"effect?does anyone know the schematic??
if i only use an EQ i'm not get a suitable mid bass boost for slapping.
I love a slapping sound, does anyone know how to build this slap effect?
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Old 12th December 2005, 02:19 AM   #5
Optical is offline Optical  New Zealand
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the effect is made by a 'compressor'

there are plenty of schematics on the net. Quite fundamental for a bass guitar i think.

look for a schematic with a variable attack, threshold and compression settings.
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Old 12th December 2005, 03:29 AM   #6
wxn is offline wxn  Lithuania
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Not so fundamental as multi-band compressor is often desired
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Old 12th December 2005, 04:49 PM   #7
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This ESP preamp works quite well for slap bass when the bright switch is engaged: ESP Preamp #27 . I've been very happy with this preamp, and only had to do a few minor modifications to dial in in for bass. The tone stack is basically an impedance scaled Fender circuit.

A compressor may well help too, but can you tell us what your amp is, and what the expensive, nice one was? Do you have a decent tweeter and crossover in your amp?
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Old 12th December 2005, 11:54 PM   #8
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My amp is a local bass amp (very worse)because it's only use 12"fullrange driver +some parametric equalizer and the price is <50$.Very cheap of course.
I found the expensive amp like Peavey Combo and trace elliot. They all have "bright"/"punch"function, which make our slap technique become nice. It's different if we only use an equalizer.
Can u help me for the compressor schematic??
I need a compressor schematic and punch schematic.

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Old 13th December 2005, 03:08 AM   #9
Optical is offline Optical  New Zealand
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the compression effect will give you a punchy sound. read up on how a compressor works and you will begin to understand it for yourself

try here for schematics http://www.generalguitargadgets.com
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Old 13th December 2005, 04:16 AM   #10
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Ok thx for ur link.
I will try to build this orange squeezer. Does anyone try to build this orange squeezer compressor?
What modification should i do for bass guitar?
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