Radial Engineering STAGEDIRECT User manual
True to the Music
www.radialeng.com
True to the Music
®
®
User Guide
STAGEDIRECT
Active Direct Box with Mute
™
Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
Radial StageDirect
Active Direct Box with Mute
™
®
Table of Contents Page
............................................1
Features...........................................................................2
....................3
......................................4
................................................5
Using the remote mute ....................................................5
....................................6
..............7
.................................................8
..............................9
Eliminating hum and buzz..............................................10
.................................................................11
Radial Limited Warranty...................................
INTRODUCTION
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
1
WHAT IS A DIRECT BOX ANYWAY?
PA SYSTEM
AMP
HI-Z
OUTPUT HI-Z
INPUT A
HI-Z
INPUT B
HI-Z
OUTPUT
LO-Z
OUTPUT
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
FEATURE SET
1. POWER SUPPLY
2. LIFT:
3. BAL OUT:
4. 180°:
5. REMOTE:
6. PHASE:
7. PAD:
8. TUNER:
9. FILTER:
10. INPUTS:
11. SELECT:
12. MUTE:
13. AMP:
2
1 2 3 4 86
5 97
10
13
12 11
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
3
GETTING STARTED
48V PHANTOM OR AC ADAPTER
MAKING CONNECTIONS
Power
Adapter
Supply
48V
Phantom
Input
Connections for instrument, stage amp and PA system.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
USING AND TESTING
THE -10dB PAD
THE TUNER OUTPUT
4
Connecting a tuner.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
5
USING THE MUTE FOOTSWITCH
USING THE REMOTE MUTE
Remote footswitch connection.
Radial JR•1M™
momentary footswitch.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
VARIOUS REMOTE MUTE SETUPS
PEDALBOARD
AMP
WIRELESS
WIRELESS
AMP
MIDI SWITCHER
MIDI PEDAL
AMP
6
JR•1M FOOTSWITCH
JR•1M FOOTSWITCH
AMP
JR•1M FOOTSWITCH
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
7
REMOTE SWITCHING WITH THE RADIAL SW2™ FOOTSWITCH
AMP Radial SW2
The SW2 can connect to the StageDirect to control the mute
function and to an amp’s channel switching footswitch.
RACKMOUNT EFFECT Radial SW2
The SW2 can connect to the StageDirect to control the mute
function and to an effect such as a rackmount digital reverb.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
MANAGING FEEDBACK
High-pass Filter
or . Use this setting
an instrument that does
20 20k50 100 200 500 1k 2k 5k 10k
Hz
StageDirect Filter Frequency at Position 3
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
dBu
20 20k50 100 200 500 1k 2k 5k 10k
Hz
StageDirect Filter Frequency at Position 3
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
dBu
Setting 1: Flat or bypass
Setting 2: -3dB at 60Hz
Setting 3: -3dB at 200Hz
20 20k50 100 200 500 1k 2k 5k 10k
Hz
StageDirect Filter Frequency at Position 3
+10
+8
+6
+4
+2
0
-2
-4
-6
-8
-10
dBu
8
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
9
Using the 180° polarity reverse
+ =
A B
+ =
A B
A B
In-phase frequencies from the fl oor monitor (A) and the stage amp
(B) combine and create a feedback hotspot.
+ =
A B
+ =
A B
A B
Inverting the polarity of the XLR output reverses the phase of the fl oor monitor (A)
and creates a null when combined with the stage amp (B).
Phase inverts the
polarity of the hi-Z ¼”
AMP output.
180° inverts the
polarity of the lo-Z
XLR output.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
10
ELIMINATING HUM AND BUZZ
Recessed ground lift switch for the XLR
output located on the rear panel.
The transformer isolates
the output going to your
stage amp.
Radial Engineering Ltd. StageDirect™ Active Direct Box
True to the Music
®
.................
...................................................
........................................................<0.01%
........................................................................ 100dB
............................................
......................................................................
......................................................
............................................................ -87dBu
Intermodulation distortion:........................................................0.012%
.................................................................
............................
........................
............................
..........................
Finish:..................................................................
Warranty: ...................................................
*Specications are subject to change without notice.
SPECIFICATIONS*
BLOCK DIAGRAM
PAD
CLASS A
FET
BUFFER
MUTE
FOOT
SWITCH
TUNER OUT
LOW CUT
FILTER
UNITY
GAIN
BUFFER
PHASE
INVERTING
BUFFER
PHANTOM POWER IN
AMP OUT
PHASE
BAL. OUT
PHASE
TRANSFORMER
ISOLATION
0dB
180° (INVERTED)
0° (NORMAL)
180° (INVERTED)
0° (NORMAL)
GROUND
LIFT
-10dB
A/B
SWITCH
B
AFLAT
UNBAL. ISOLATED
AMP OUTPUT
BAL. OUT
INPUT
B
A
REMOTE
FOOTSWITCH
PAD
CLASS A
FET
BUFFER
MUTE
FOOT
SWITCH
TUNER OUT
LOW CUT
FILTER
UNITY
GAIN
BUFFER
PHASE
INVERTING
BUFFER
PHANTOM POWER IN
AMP OUT
PHASE
BAL. OUT
PHASE
TRANSFORMER
ISOLATION
0dB
180° (INVERTED)
0° (NORMAL)
180° (INVERTED)
0° (NORMAL)
GROUND
LIFT
-10dB
A/B
SWITCH
B
A
FLAT
UNBAL. ISOLATED
AMP OUTPUT
BAL. OUT
INPUT
B
A
REMOTE
FOOTSWITCH
11
®
www.radialeng.com
THREE YEAR TRANSFERABLE LIMITED WARRANTY
Radial®™User Guide - Part# R870 1234 00
Radial Engineering Ltd.
1588 Kebet Way, Port Coquitlam BC V3C 5M5
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