Manley CORE Owner's Manual
0
0
Q
HI
0
-12 +12
dB
LIMIT
MAX
MIN
LIMITING
RELEASE
SLOW F
AST
OUTPUT
GAIN
-6
+4
dB
LI
MI
TE R
c
o
r
e
O/P 1 GR
O/P 2
REFERENCE
CHANNEL S
TRIP
BRICKWALL
LIMITER
DIRECT
OUT 1
MAIN
OUT 2
OUTPUT
GAIN
TUBE STAGE
EQ
INSERT
JACK
FET
MIC INPUT
LINE INPUT
DIRECT OUTPUT (1)
INSERT
PIN1: SHIELD/GROUND
PIN2: HOT/POSITIVE PHASE
PIN3: LOW/NEGATIVE PHASE
XLR PINOUT
TIP: SEND
RING: RETURN
SLEEVE: GROUND
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REFERENCE CHANNEL STRIP
REFERENCE CHANNEL ST RIP
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OWNER’S MANUAL
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Contents
i) Introduction 2
ii) Manual Conventions 2
1. Important Safety Instructions 3
2. Getting Started 3
3. Front Panel 4
4. Input Section 4
5. Optical Compressor 5
6. Equalizer 5
7. Limiter 6
8. VU Meter 6
9. Rear Panel 7-8
10. Rear Panel Connections 9
11. Operational Notes 9
12. Questions 10
13. Copyright Notice 10
14. Servicing 11
15. Core Calibration Procedure 11-12
16. Curves & Specifications 13
17. Recall Sheet 14
PAGECHAPTER
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i) An Introduction To The Manley Core Reference Channel Strip
Thank you for selecting the Manley CORE. This unit combines a high quality vacuum tube
®
microphone preamplifier, an ELOP Compressor, an EQ section and a fast FET Brickwall
Limiter.
Musical. Flexible. Forgiving.
These three concepts were my main goals in designing the CORE channel strip. To give the
musician tools he or she really needs, without needless complication.
Why is this important?
Because recording has become more complicated than ever!
Computers, plug-ins, and software can easily distract from creating your music. By designing
a dedicated recording channel with very high quality stages – but without extra functions you
will rarely use – you can concentrate on your art, not worry about the technology.
The elements that make up the CORE are the result of decades of design, listening and
experience of working with engineers and musicians. The CORE may have fewer knobs than
other units, but I think they are the right knobs.
Dave Collins
December 2013
ii) Manual Conventions
Please take a few moments to read through this manual carefully. It contains essential information
for the proper operation of your Manley Core Reference Channel Strip.
Also in the following pages you will find useful hints and tips, allowing us to help you achieve the
utmost performance from your equipment.
Below are the following conventions, used to pick out particularly important parts of the manual.
The symbols are found in the margin next to the body of text of interest.
!
Especially Useful Tip
Important Information. Read Carefully
Caution! Pay Attention!
Refer to another section in this Manual
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1. Important Safety Instructions
1. Water and Moisture – Do not use The CORE near any source of water or in excessively moist
environments.
2. Object and Liquid Entry – Care should be taken so that objects do not fall, and liquids are not
spilled, into the enclosure through the openings.
3. Heat & Ventilation – When installing The CORE in a rack or any other location, be sure there is
adequate ventilation. Improper ventilation will cause overheating, and can damage the unit.
The unit should be situated away from heat sources, or other equipment that produce heat.
4. Power Sources – The CORE has a universal power supply which can operate in any country. It
has an input voltage range of 90-260 VAC at 50/60 Hz.
5. Cleaning - The CORE can be cleaned with just a damp cloth, or alcohol/methylated spirits for
more stubborn marks.
6. Damage - If after unpacking your CORE there are signs of shipping damage, contact your
dealer.
7. Servicing - Do not attempt any servicing without consulting your dealer or Manley
Laboratories, Inc. The user should not attempt to service the unit beyond that described in the
operating instructions. All other servicing should be referred to qualified service personnel.
This unit has high voltages present, even after the power has been switched off.
8. DO NOT connect the AC supply cord until all other connections have been made. Afer initial
power up the VU Meter back light will “blink” for thirty seconds. The unit remains in MUTE
until this warm up period has elapsed.
2. Getting Started
Unpacking your
The is secured in its packing carton by two end-caps.
Hold the unit by the middle and simply lift the unit vertically straight out of the box.
After it has been unpacked, check that nothing is loose inside when handling the unit. The unit is
shipped with the vacuum tubes installed. Make sure they are not loose by looking through the vent
holes on the top cover. Ensure they are standing upright in their sockets.
It is advisable to keep the original packaging. In the event of servicing or relocating, the original
packaging ensures that the unit will always be shipped safely.
This package contains the following;
1 x Manley Reference Channel Strip
1 x Manley Owner’s Manual
1 x IEC Power Cable
1 x Warranty Registration Card
1 x Warranty Statement
CORE:
CORE
CORE
CORE
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3. Front Panel
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REFERENCE CHANNEL STRIP
0
O/P
1
GR
O/P 2
LOW
0
-12
+12
dB
MAX
MIN
COMPRESSION
IN
BYP
ASS
FAST
A
TT
ACK
SLOW
F
AST
COMPRESSOR
SLOW
RELEASE
INPUT
LEVEL
MIC
MIC
FLA
T
0
180
120Hz
HI
LOW
LINE
PHANTOM
48
V
HAND
C
R
A
F
T
E
D
I
N
C
ALI
F
OR
N
IA U
SA
DIRECT
IN
FREQUENCY
100Hz-1kHz
1kHz-10kHz
-10
+10
dB
0
MIN
MAX
EQ
HI
-12
+12
dB
LI
MIT
ER
UNITY
LIMIT
MAX
LIMITING
RELEASE
SLOW
FAST
OUTPUT
GAIN
-6
+4
dB
MIN
PREAMPLIFIER
Input Attenuator
Mic/Line
Source Select
High Pass Filter
High/Low Gain
Mic 48V Phantom
Mic Phase Invert
Instrument
Direct Input
COMPRESSOR
Attack
Release
Bypass
Compression
(Threshold)
EQ
High & Low Shelf
Sweepable Mid
Frequency
Low/High Range
Select
Continuously
Variable Frequency
Selection
LIMITER
Limiting/Threshold
Release
Fast Attack FET
Brickwall Limiter
Limit LED
Indicator
Output Gain
Control
VU METER
Meter Source
Select Switch
Displays Audio;
Compressor
Gain Reduction
Tube Preamp Out
Final Output
As the signal flow in the CORE is from right to left, we'll describe the functions in that order as well:
4. Input Section
Diagram 2
INPUT
LEVEL
MIC
MIC
FLAT
0
180
120Hz
HI
LOW
LINE
P
H
A
NTO
M
48
V
HA
ND
C
RAF
T
ED
I
N
C
AL
I
FOR NI
A U
S
A
DIRECT
IN
The INPUT LEVEL control is an input attenuator. It functions like a
variable pad. It acts on the Direct In (DI), Mic and Line inputs. Fully
counter-clockwise is off, and clockwise rotation increases the level. For
the Mic input, fully clockwise represents about 40dB of gain.
With the gain switch set to LOW and the input level set fully clockwise
the MIC input will yield about 40dB of gain and the LINE input will
produce 20dB of gain.
The top label of the selector switches show operational status when the
button is pushed in and illuminated.
MIC/LINE selects either the MIC XLR input or it selects the LINE XLR or
DI 1/4 “ inputs.
The 120Hz high pass filter position is useful for reducing breath “pops,”
or any time a reduction of LOW frequencies such as train or traffic
rumble or air conditioning rumble.
The HI/LOW gain switch adds 20dB of gain to the circuit when engaged.
For most applications, this switch can be in the LOW position, but for
low output microphones or quiet sources, extra gain may be needed.
48 Volt “PHANTOM” power is applied to the Mic input XLR when this
switch is engaged. This should only be used for microphones that
require phantom power.
0 0
0 / 180 - The Mic phase switch inverts the signal by 180 degrees when
engaged.
DIRECT IN, Instrument input. This 1/4 inch input jack is for use with
guitars, keyboards, or any other instrument. When a plug is inserted
the CORE will automatically switch to the DI input. The Mic/Line switch
must be set to the Line position to activate the DI. This is an
unbalanced 10 MegOhm input that will not load down Hi Z instruments
such as a guitar. The connections on this TS Jack are TIP-HOT, SLEEVEGROUND.
!
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