background image

www.

radialeng

.com

True to the Music

Radial Engineering Ltd.

®

®

True to the Music

Radial Engineering Ltd.

McBoost

 Owners Manual 

McBoost

 Owners Manual 

FEATURES
1. OUTPUT: 

Balanced male XLR 

output – used to connect to your mixer 

or preamp and supply power to the 

McBoost from standard 48V phantom. 

2. INPUT:

 Balanced XLR female 

input used to connect your dynamic 

or ribbon mic. 

3. LOAD:

 3-position switch lets you 

adjust the impedance to optimize the 

signal transfer from your microphone.

4. LEVEL:

 3-position lets you select 

your output level. FULL for 100% gain, 

HALF for 50% gain or VARI to control 

the gain with the rotary level control. 

5. GAIN:

 Variable control lets you 

boost the gain of your microphone 

from +4dB to +25dB.

6.  NO SLIP PAD:

 This provides 

electrical isolation and plenty of ‘stay-

put’ friction to keep the McBoost in 

one place.

7.

 

BOOk END DESIGN:

 Steel I-Beam 

enclosure protects the connectors and 

switches for added durability.

8. HEAVY DUTY XLRs: 

Glass filled 

nylon construction with extra large 

nickel-silver pin contacts.

9.

 

MILITARY-GRADE PCB:

 Double-

sided PCB with plated through-holes 

is bolted to welded steel standoffs.

1

2

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 finish 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 service@radialeng.com to obtain an RA number (Return Authorization 

number) before the 3 year warranty period expires. The product must be returned prepaid in the original 

shipping 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 modification 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 DAMAGES OR LOSS ARISING FROM THE USE OF THIS PRODUCT.  THIS WAR-

RANTY 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.

McBoost

 User Guide - Part# R870 1012 00  / 09-2016 • All rights reserved.

Specifications 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 

info@radialeng.com • www.radialeng.com

3

7

8

9

4

5

6

Power .........................................................48V phantom
Circuit type ..................................................Class-A discrete J-FET
Maximum boost ..........................................25dB
Gain adjustment .........................................Variable from +4dB to +25dB
Frequency response ...................................From 3Hz to 30kHz
Phase shift ..................................................Less than 1º at 20Hz
Distortion ....................................................0.001% at -30dBu
Noise ..........................................................-100dB
Variable level ..............................................3-position switch
Variable impedance ....................................3-position switch
Construction ...............................................Steel
Size (W, H, D) .............................................2.75” x 4.25” x 1.75” (70mm x 108mm x 44mm)

SPECIFICATIONS

User Guide

McBoost

Dynamic & Ribbon

 Mic Enhancer

TM

Reviews: