Radial Engineering Tonebone SWITCHBONE V2 User Manual

All trademarks belong to their respective owners. All references to these are for example only
and are not associated with Radial Engineering Ltd.

Radial Switchbone V2 User Guide - Part #: R870 1030 10 / 07-2016
Appearance and specifi cations subject to change without notice.

Copyright © 2016 Radial Engineering Ltd. All rights reserved.

www.radialeng.com

THREE 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 1-800-939-1001
or email [e-mail] to obtain a 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 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 DAMAGES 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.

Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
tel: [phone] • fax: [phone]
[e-mail] • www.radialeng.com

To meet the requirements of California Proposition 65, it is our responsibility to inform you of the following:

WARNING: This product contains chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.

Please take proper care when handling and consult local government regulations before discarding.

USER GUIDE

SWITCHBONE • V2

Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
Tel: [phone] Fax: [phone]
email: [e-mail]

WARNING

Only connect electrical equipment that is properly grounded with a 3-prong AC plug.
Older amps with 2-prong plugs should be serviced before using them with any amp
switcher. An improperly grounded amp can be a very dangerous thing and never
should be used in multi-amp setups.

Radial Engineering takes no re spon si bil i ty for how the Switchbone V2 is connected or
used. It is the user’s full re spon si bil i ty to ensure that proper electrical connections are
maintained on all equipment connected to the Switchbone V2 and that proper building
electrical codes have been followed wherever the Switchbone V2 is used.

Note that damage to the Switchbone V2 or other connected equipment caused by
improper wiring or improperly grounded equipment is not covered under the warranty.

Switchbone V2

Radial Engineering Ltd.

SPECIFICATIONS

Circuit Type: ............................................................................................Discrete Class-A

Input Impedance: ......................................................................Variable with drag control

Load Correction: ..................................................................... Drag control variable load

Output Impedance: .............................................................................................10k Ohm

Noise Floor: ...........................................................................................................-111dB

Output-1: ......................................................................................Class-A buffered, direct

Output-2: ...............................................................Class-A buffered, transformer isolated

Tuner/Output-3: ....................................................Class-A buffered, transformer isolated

Slingshot Remote Output: ......................................................Latch or pulse (selectable)

Baseline Gain: .......................................................................................... Unity to +12dB

Boost Level: ..........................................................................................Variable to +19dB

Mid-Boost: ........................................................................................0 to +13dB @650Hz

Switching: ...........................................................Opto-coupler assisted, 5msec rise time

LED Indicators: ............................................................ Large 3mm OD ultra-bright LED’s

Ground Lift: ........................................................................Output-B and Tuner/Output-C

Polarity Reverse: ........................180° (phase) reverse at Output-B and Tuner/Output-C

Construction: ...........................................................14 gauge steel, baked enamel fi nish

Size: ..................................................................6.75 x 4.625 x 1.75” (171 x 117 x 44mm)

Weight: .....................................................................................................2.35lb (1.06kg)

Warranty: ................................................................................ Radial 3-year, transferable

17

Switchbone V2

Radial Engineering Ltd.

16

IMPORTANT

OUT-A is your primary output and should always be used. It should be connected
to an amp that is properly grounded with a three prong U-ground for safety. Never
remove the safety ground on your amp as this is both illegal and there to protect
you from an electrical shock. Please consult your local electrical authority or
qualifi ed electronic technician for more details.

WARNING

Only connect electrical equipment that is properly grounded with a 3-prong AC plug.
Older amps with 2-prong plugs should be serviced before using them with any amp
switcher. An improperly grounded amp can be a very dangerous thing and never
should be used in multi-amp setups.

Radial Engineering takes no re spon si bil i ty for how the Switchbone V2 is connected or
used. It is the user’s full re spon si bil i ty to ensure that proper electrical connections are
maintained on all equipment connected to the Switchbone V2 and that proper building
electrical codes have been followed wherever the Switchbone V2 is used.

Note that damage to the Switchbone V2 or other connected equipment caused by
improper wiring or improperly grounded equipment is not covered under the warranty.

Switchbone V2

Radial Engineering Ltd.

Table of Contents Page

Introduction ............................................................................. 1

Features and Functions .......................................................2-3

Overview .............................................................................4-5

Making Connections ............................................................... 6

Standard ABY Setup............................................................ 7-8

Adding a Tuner or Third Amp............................................... 8-9

Baseline Buffer ..................................................................... 10

Power Booster ................................................................. 10-11

Slingshot Remote ................................................................. 12

Slingshot Internal Jumpers ................................................... 13

Block Diagram ................................................................. 14-15

Safety Information ................................................................16

Specifi cations ....................................................................... 17

Warranty .................................................................Back Cover

Thank you for purchasing the Tonebone Switchbone V2™. We
are confi dent that once you get to know the extended feature
set, you will come to appreciate the power and control that
is now underfoot! This being said, the Switchbone V2 is both
easy to use, yet featured-packed. So before you start plugging
in, please take the time to read through this manual. Not only
will it help you get the most out of it, it will save you time later
when trying to fi gure out new setups.

After your reading session, if you fi nd yourself wondering about
features that are not well explained or simply have a question,
log onto the Tonebone web site and visit the FAQ page. This
is where we post questions from users and updates. You can
also post a question and we will do our best to reply in short
order. Now get ready to enjoy what is likely the most powerful,
fl exible and cleanest sounding switcher you have ever tried.

RADIAL SWITCHBONE • V2

USER GUIDE

1