Radial Engineering MIX-BLENDER Manual de usuario
Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
Tel: 604-942-1001 • Fax: 604-942-1010 • Email: [email protected]
MIXER AND EFFECTS LOOP
User Guide
Radial Engineering Ltd. Mix-Blender™ User Guide
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MIX-BLENDER™MIXER AND EFFECTS LOOP USER GUIDE
Introduction...................................................................................... 1
Features .......................................................................................... 2
Overview.......................................................................................... 3
Making Connections........................................................................ 4
Using the Mix Section...................................................................4-5
Using the Effects Loop .................................................................... 6
Using a Tuner .................................................................................. 7
Using a Third Guitar ........................................................................ 8
Using the Polarity Reverse Switch .................................................. 9
Specications ................................................................................ 10
Warranty ......................................................................... Back Cover
Thank you for purchasing the Tonebone Mix-Blender™, one of the most exciting new devices ever conceived for your
pedalboard.
Although the Mix-Blender is super easy to use, please take a few moments to read through the manual in order to familiarize
yourself with the features and functions. This will not only enhance your musical experience, but also help you better
understand the problems and xes that are built in.
If you nd yourself asking questions that are not covered herein, please visit the Mix-Blender FAQ page on our website.
This is where we post questions and answer from users along with updates. If you still nd yourself asking questions, feel
Now get ready to squeeze your creative juices like a space-aged Osterizer!
Radial Engineering Ltd. Mix-Blender™ User Guide
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FEATURES
1. 9VDC POWER: Connection for 9 volt power adapter (not
included). Includes a cable clamp to prevent accidental
power disconnection.
2. RETURN: ¼” jack brings the effects pedal chain back
into the Mix-Blender.
3. SEND: ¼” jack is used to feed the effects pedal chain or
a tuner.
4. LEVEL 1 & 2: Used to adjust the relative levels between
the two instruments.
5. INPUT 1 & 2: Standard ¼” guitar inputs for two
instruments or effects.
6. EFFECTS: Heavy-duty footswitch activates the Mix-
Blender’s effects loop.
7. OUTPUT: Standard ¼” guitar level output use to feed a
stage amp or other pedals.
8. BLEND: Wet-Dry blend control lets you blend in as much
of the effects as you like into the signal path.
9. POLARITY: Toggles the effects SEND relative phase by
180º to compensate for pedals that may be out of phase
with the dry signal path.
10. STEEL ENCLOSURE: Heavy-duty 14-gauge steel
enclosure.
6
7
8
9
10
5
4
1 2 3
+-
The Mix-Blender requires a 9 volt
power supply with a negative center.
Input-1
Output
Effects
In / Out
Input-2
Send Return
Buffer
Buffer
Summer Mix
Blend
Level-1
Level-2
Polarity Buffer
180º
0º
Radial Engineering Ltd. Mix-Blender™ User Guide
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OVERVIEW
The Mix-Blender™ is in fact two pedals in one. On one hand it is a mini 2 X 1 mixer, on the other, it is an effects loop
manager. Following the block diagram below, two of Radial’s award wining Class-A buffers drive the inputs which are
then summed together to create the relative mix. The signal is then routed to the footswitch where it can feed your amp
or – when engaged – can activate the effects loop.
The Mixer
The Mix-Blender’s MIX section lets you combine any two instrument level sources together and set their relative volume
levels. You could for instance have a Gibson Les Paul™ with powerful humbuckers connected to input-1 and then a Fender
Stratocaster™ with lower output single coil pickups connected to input-2. By setting the levels for each, you can switch
between instruments without having to readjust the level on your amp.
The Effects Loop
A typical effects loop either turns on or off the effects pedal chain that is connected. In this case, the BLEND section lets
you blend in the desired amount of the ‘wet’ effect into the signal path without affecting the original ‘dry’ signal. This lets
you retain the original tone of your bass or clean electric guitar and mix in – for example - a touch of distortion or anging
to your sound while retaining the fundamental tone.
1
1
1
2
2
Radial Engineering Ltd. Mix-Blender™ User Guide
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MAKING CONNECTIONS
As with all audio equipment, always turn your amp
off or volume down before making connections. This
will prevent harmful signal spikes from connection or
power-on transients from damaging more sensitive
components. There is no power switch on the Mix-
Blender. To power up, you will need a typical 9V supply,
such as used by most pedal manufacturers, or a power
connection from a pedalboard power brick. A handy
cable clamp is provided that can be used to secure
the power supply if needed. Simply loosen with a
hex key, slip the power supply cable into the cavity
and tighten. Check to see if power is connected by
depressing the footswitch. The LED will illuminate to
let you know power is on.
USING THE MIX SECTION
Two Guitars
Connect your guitar to input-1 and the Mix-Blender’s
output to your amp using standard ¼” coaxial guitar
cables. Set the input-1 level control to 8 o’clock. Slowly
turn up to make sure your connections are working. If
you are using the Mix-Blender to mix two instruments
together, you can now add a second instrument. Adjust
the relative levels to suit. Always test at low volumes as
this will prevent connection transients from damaging
your system should a cable not be seated correctly.
+-
The Mix-Blender requires a 9 volt
power supply with a negative center.
Effects Loop B
Effects Loop A
Direct BoxMixerPA
Twin-City AB/Y
Radial Engineering Ltd. Mix-Blender™ User Guide
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Two Pickups
You can also use the MIX section to combine two pickups from the same guitar or bass. For instance, on acoustic, you may have
both a magnetic and a piezo with preamp. You can sometimes produce much more realistic sounds when combining the two.
Simply connect and adjust the levels to suit. Use the Mix-Blender output to feed your stage amp or a Radial DI box to feed the PA.
Two Effects Loops
If you are looking to create adventurous sonic pallets of tonal rainbows, split your guitar signal using a Radial Twin-City™
to drive two effects loops. You can then send your instrument signal to one loop, the other or both and remix the two
signals together again using the Mix-Blender. This opens the door to creative signal patches that have never been done!
Texas Overdrive
Texas Overdrive
Radial Engineering Ltd. Mix-Blender™ User Guide
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USING THE EFFECTS LOOP
In the studio, it is common to add in a touch of reverb or delay to a vocal track. This is done using the effects loop that is built
into the mixing console or digitally using a workstation. This enables the engineer to add in just the right amount of effect to
compliment the track. The Mix-Blender’s effects loop lets you achieve the same results using guitar pedals.
To test, we suggest that you keep your effects down to a minimum so that you can rst understand the functionality. Connect the
¼” SEND jack to a distortion pedal or other effect. Connect the output from the effect to the RETURN jack on the Mix-Blender. Set
the BLEND control fully counter-clockwise to 7 o’clock. Turn on your amp and turn your amp up to a comfortable level. Depress
the Mix-Blender footswitch. The LED will illuminate to let you know the effects loop is on. Turn on your effect, then rotate the
BLEND control clockwise to hear the blend between the dry (original instrument) and wet (distorted) sound.
Effects with Bass
The Mix-Blender’s effects loop is a very effective tool
for both guitar and bass. For instance, when adding
distortion to a bass signal, you will likely loose all of
the low end. By using the Mix-Blender, you can retain
the bottom end – yet add as much distortion as you
like to the signal path.
Effects with Guitar
On guitar, you may want to retain the original tone
while maybe adding a subtle wah effect to the signal
path using the BLEND control. This is where your
creativity comes into play. The more you experiment,
the more fun you will have!
Tuner Pedal
Tuner always on
Mute while tuning
Tuner Pedal
Radial Engineering Ltd. Mix-Blender™ User Guide
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USING A TUNER
The Mix-Blender’s send jack is always on while the return jack is
actually a switching jack that is used to complete the effects loop
circuit. This means that if nothing is connected, the effects loop will
not work and the signal will pass through the Mix-Blender whether
or not the footswitch is depressed. This opens up two options for
using the effects loop with a tuner.
Connecting your tuner to the send jack will allow you to constantly
monitor your tuning on the fly. Because the effects loop is
separately buffered, the tuner will have no effect on your signal
path and this will prevent clicking noise from the tuner.
Mute the Signal
You can also set up the Mix-Blender to mute the signal with tuners
that have a footswitch mute function. Connect your tuner from the
send jack and then complete the circuit by connecting the output
from your tuner back to the Mix-Blender via the return jack. Turn
the BLEND control fully clockwise to the wet position and then set
your tuner to mute.
When you engage the effects loop, the signal will pass through
the tuner and be muted to allow you to tune without aggravating
the audience. The benet here is that most tuners do not have a
very good buffer circuit or they are not true bypass. This takes the
tuner out of the circuit resulting in better overall tone.
Acoustic active only when
EFFECTS is selected
Radial Engineering Ltd. Mix-Blender™ User Guide
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ADDING A THIRD GUITAR
You can also use the effects loop to add a third guitar by connecting it to the RETURN input jack. This would use the BLEND
control to set the level as compared to the other two regular inputs. An example could be having two electrics on the ready and
maybe an acoustic on a stand.
Phase
Cancellation
No Phase
Cancellation
Radial Engineering Ltd. Mix-Blender™ User Guide
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USING THE POLARITY REVERSE SWITCH
Some pedals will reverse the relative phase of the signal. This is normal as pedals are usually in series with each other and
changing the phase has no audible effect. When activating the effects loop on the Mix-Blender, you are actually creating a
parallel signal chain whereby the dry and wet signals are combined. If the wet and dry signal are out of phase with each other,
you will experience phase cancellation.
Set the BLEND control to 12 o’clock. If you notice that the sound gets thin or disappears, this means the pedals are reversing
the relative phase and the signal is being cancelled out. Simply push the 180º degree polarity reverse switch to the up position
to compensate.
0º180º
Input PhaseInput Phase
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