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Oct 19, 2021 - 5:17:33 AM
33 posts since 11/22/2020

Hi all,

I have bought a Leader "bug" banjo pickup and a Behringer CS400 compressor/sustain pedal in my first attempt to (i) play around with some effects and (ii) be able to practice using my headphones - I don't have an amp and don't plan to buy one for a while.

I'm not getting much signal into the headphones and that signal is very noisy.

I am guessing I need a pre-amp either before the pedal or after?

I'd appreciate any advice. This is my first foray into the world of effects.

Edited by - Josephpetrie on 10/19/2021 05:18:12

Oct 19, 2021 - 5:45:42 AM
Players Union Member



21177 posts since 6/30/2015

I use one of these to practice with my bass. I'm happy with it.

Oct 19, 2021 - 7:36:42 AM
likes this

Tom Napper


13 posts since 11/18/2011

Are you connecting the Leader bug directly into the Behringer compressor? The bug appears to be a piezoelectric unit, which generally require a high input impedance to achieve a reasonable sound. An input impedance of 1 M? ( 1 million Ohms) is often recommended. The Behringer compressor has an input impedance of 500k? and so the sound will tend to be thin and lack bass. Feeding the signal first into an appropriate preamp should "match" the impedance and provide more satisfactory results. It needn't be an expensive one. Eagle Music sells the Artec SE-OE3 outboard 3 band Acoustic EQ which should do the job *. Connect your compressor next. The compressor will not provide a signal to drive your headphones, however. That's where you need an amplifier! Some preamps do feature a headphone out, but they tend to be expensive pro level items. You might try a cheap plug- in headphone amp in the output of the compressor (such as Xvive GA-1 Acoustic Headphone Amplifier for Electro-Acoustic £14 at A bit "Heath Robinson" but should enable you to get the feel of things.
* In fact any effect pedal with 1 M? will serve to "buffer" the bug. It doesn't have to be switched on to effect- just powered up.

Oct 19, 2021 - 7:42:41 AM

Tom Napper


13 posts since 11/18/2011

* In fact any effect pedal with 1MOhm input impedance will serve to "buffer" the bug. It doesn't have to be switched on to effect-just powered up.

Oct 19, 2021 - 9:37:15 AM

3253 posts since 10/17/2009

Headphones need an amp; but doesn't have to be very powerful. (the signal from pu/effect pedal needs to run through some preamp first, but is often built in with most amps). A home stereo with a line in can work.

Your computer/laptop might serve your purpose for headphones... take the output of pickup/effect and plug it into the line/mic in (need adapter). Bonus is tht you can use it to record, as well as explore other various effects.

So long as pedal output impedance matches.

Edited by - banjoak on 10/19/2021 09:45:22

Oct 20, 2021 - 6:00:43 AM

75136 posts since 5/9/2007

When you say you want to experiment with effects,but won't buy an amp you aren't leaving much room for discovery.Amps are very reasonably priced these days as are quality pickups like Fishman.
By saying what you won't purchase many doors of discovery remain closed to you.

Edited by - steve davis on 10/20/2021 06:04:40

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