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Circuit type: 

Non-radiating phantom power supply

Number of channels: 

2

XLR connectors: 

AES standard pin-1 Ground, pin-2 (+), 
pin-3 (-)

Phantom output: 

Swit48 / +12 volts DC

Power supply: 

15VDC / 400mA external supply 
included 

www.radialeng.com

True to the Music

Radial Engineering Ltd.

®

®

True to the Music

SB-48

POWERBAR

Radial Engineering Ltd.

SB-48

®

 Phantom Supply 

SB-48

®

 Phantom Supply 

FEATURES

1. XLR-F INPUTS:

 Used to connect the mic signal to the StageBug 

SB-48. Phantom power is generated inside the SB-48 and injected 
into the mic capsule via the F-XLR connectors and mic cable.  

2. POWER INPUT AND LED:

 The power jack accepts Radial’s 

15VDC/400mA power adapter. The LED illuminates when the power 
supply is connected and the SB-48 is active.  

3. CABLE CLAMP:

 Used to lock down the power supply cable and 

prevent accidental disconnection.

4. XLR-M OUTPUTS: 

Used to connect the mic signal to the mixing 

console or preamp. Equipped to block other sources of phantom 
power and prevent over-powering your condenser mic or active 
direct box.  

5. +12/48V SWITCH:

 Used to change the phantom supply from 

the st48 volts to +12 volts for speciality microphones. 

6. FULL-BOTTOM NO-SLIP PAD:

 This provides electrical isolation 

and plenty of ‘stay-put’ friction to keep the SB-48 in one place.

RADIAL ENGINEERING 3 YEAR TRANSFERABLE LIMITED 

WARRANTY

RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material 
and workmanship and will remedy any such defects free of charge according to the terms of 
this warranty. Radial will repair or replace (at its option) any defective component(s) of this 
product (excluding fi nish and wear and tear on components under normal use) for a period of 
three (3) years from the original date of purchase. In the event that a particular product is no 
longer available, Radial reserves the right to replace the product with a similar product of equal 
or greater value. In the unlikely event that a defect is uncovered, please call 604-942-1001 or 
email [email protected] to obtain an RA number (Return Authorization number) before 
the 3 year warranty period expires. The product must be returned prepaid in the original ship-
ping container (or equivalent) to Radial or to an authorized Radial repair center and you must 
assume the risk of loss or damage. A copy of the original invoice showing date of purchase and 
the dealer name must accompany any request for work to be performed under this limited and 
transferable warranty. This warranty shall not apply if the product has been damaged due to 
abuse, misuse, misapplication, accident or as a result of service or modifi cation by any other 
than an authorized Radial repair center.

THERE ARE NO EXPRESSED WARRANTIES OTHER THAN THOSE ON THE FACE HEREOF 
AND DESCRIBED ABOVE. NO WARRANTIES WHETHER EXPRESSED OR IMPLIED, 
INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY 
OR FITNESS FOR A PARTICULAR PURPOSE SHALL EXTEND BEYOND THE RESPECTIVE 
WARRANTY PERIOD DESCRIBED ABOVE OF THREE YEARS. RADIAL SHALL NOT BE 
RESPONSIBLE OR LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAM-
AGES OR LOSS ARISING FROM THE USE OF THIS PRODUCT.  THIS WARRANTY GIVES 
YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH MAY 
VARY DEPENDING ON WHERE YOU LIVE AND WHERE THE PRODUCT WAS PURCHASED.

StageBug SB-48

 User Guide - Part# R870 1221 00 

© Copyright 2013 all rights reserved
Specifi cations and appearance are subject to change without notice.

Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC  V3C 5M5
tel:  604-942-1001 • fax:  604-942-1010 
[email protected] • www.radialeng.com

Stagebug SB-48 SPECIFICATIONS 

USER GUIDE

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