Radial Engineering StageBug SB-1 Manual

Radial Engineering Ikke kategoriseret StageBug SB-1

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Side 1/3

+ =

In-phase frequencies from the floor monitor (A) and the stage

amp (B) combine and create a feedback hotspot.

+ =

Inverting the phase of the floor monitor (A) in relation to the

stage amp (B) turns the feedback hotspot into a null.

Thank you for purchasing your very own StageBug active direct box! We are excited

about producing a personal direct box that can fit in your guitar case and be ‘at the

ready’ anytime you need to connect to a PA system. Although the SB-1 Acoustic is

designed to be plug & play easy to use, please take a minute to read this short

manual. It will give you insight on how to best use your Radial direct box and get the

most out of it.

OVERVIEW

The StageBug SB-1 Acoustic is an active direct box that has been specifically

designed to provide a quick and dependable connection from your instrument to the

PA. In other words, it converts the hi-Z output from your instrument – typically a ¼”

guitar jack - to a balanced low-Z signal via standard 3-pin XLR connectors. Balancing

the signal reduces noise, enables longer cable runs and improves the sound quality

by properly matching the instrument’s impedance with that of the PA. Although the

SB-1 has been optimized for use with acoustic guitar, it is also well equipped to

handle electric bass and keyboards. Simply follow the same instructions.

CONNECTING YOUR GUITAR TO THE PA SYSTEM

Before making connections, always turn audio levels down or the PA off. This will help

eliminate turn-on transients that can damage more sensitive components like

tweeters. Connect your guitar to the StageBug SB-1 input using a standard ¼”

instrument cable. Connect the XLR output from the StageBug to the PA system using

a standard XLR cable. Unlike others that may require batteries, the SB-1 derives its

power from 48V phantom that is generated by the mixing console. Make sure the

phantom power is turned on before you turn up the PA. A small LED on the SB-1 will

illuminate to tell you that it is powered. You can now turn on the PA and start testing.

Always test at low volumes as this provides a margin of safety should something not

be connected properly.

USING THE PAD FOR LOUDER INSTRUMENTS

The StageBug SB-1 is equipped with a -15dB input PAD switch. This lets you reduce

the sensitivity of the circuit to enable louder instruments to be used without distortion.

Play your guitar as usual. If you hear distortion, simply engage the PAD switch or turn

down your guitar. The pad will have no effect on your tone. Simply increase the level

on the PA system to compensate. A pad is often inserted when using active bass

guitars and keyboards that tend to overload most circuits.

USING THE 180° POLARITY REVERSE

The 180° phase reverse switch is used to help reduce feedback on stage.

Sometimes, the PA system and the echo from the room acoustics will combine to

create hot-spots on stage. This can also occur when combining a PA with a stage

amp. These are known as room modes. And when two like frequencies combine, they

can create a huge boost which in turn can cause feedback.

Reversing the phase can often cure the problem by electronically moving the problem

out of the way. To use, make sure you stand where you intend to perform. Then, have

someone reverse the phase switch while you are playing to find the setting that works

best. Keep in mind that since each venue is a different size, the phase issues will be

different. Adjust to suit.

ADDING A TUNER OR GUITAR AMPLIFIER

The SB-1 is equipped with a tuner out connection that lets you plug in a tuner for quick

adjustments on stage. You can also use this output to feed a stage amp if you like.

This way, you can set up your own sound on stage and use the XLR out to feed the

PA. If you encounter hum or buzz, connect your stage amp’s power to the same AC

outlet that is feeding the PA using a power bar. This brings all of the electrical grounds

together and helps eliminate ground loops.

RECORDING DIRECT WITH THE SB-1

Using a direct box to match the impedance will produce a warmer, more natural tone

than plugging the instrument directly into the recording system. The StageBug SB-1

is well suited for this as it both balances the signal and matches the impedance

simultaneously. Simply connect as described above and connect the SB-1’s output to

the mic input on your recording system. You will find the SB-1 will work very well with

both acoustic guitars and bass and is great for Reamping electric guitar too!

To view the 3-year transferable warranty details and

product specifications please visit www.radialeng.com

StageBug™ SB-1 acoustic direct box

USER GUIDE

Produkt Specifikationer

Mærke:	Radial Engineering
Kategori:	Ikke kategoriseret
Model:	StageBug SB-1

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