EMG EXB Service manual

0.025 LOG FREQ (kHz) 10
Dimensions:
.800
1.050
SPECIFICATIONS
Input Impedance (Ohms) 250K
Input Referred Noise -130dbV
Output Impedance (Ohms) 2K
Current @ 9V (Microamps) 750
Battery Life (Hours) 200
Maximum Supply (Volts DC) 18
INSTALLATION INFORMATION
EMG MODEL: EXB
(ACTIVE/PASSIVE PICKUP INPUTS)
Warranty
All EMG Pickups and accessories are warranted for a period of two years. This warranty does not cover failure due to improper installation, abuse or damage. If
upon examination the pickup is determined to be defective, a replacement will be made. Warranty replacement products are covered by this same warranty. This
© 2014 Copyright EMG INC. All Rights Reserved.
PO BOX 4394
SANTA ROSA, CA
95402 USA
P [phone]
F [phone]
EMGPICKUPS.COM
0230-0165rC
Frequency Response:
EMG-EXB
1.325
.400 .309 (8mm P .75)
GENERAL OPERATION:
The EXB is an active EQ circuit for bass guitar that simultaneously increases both low and high frequencies while decreasing mid-range.
The graph below illustrates the effect of the EXB. The thick black line displays the effect with the control all the way up (clockwise).
The flat black line illustrates the effect with the control all the way down (counter-clockwise) in the bypass mode. The EXB is continuously
variable from flat to maximum effect. The EXB is wired in series with the signal path, so there is an input and output.
The EXB has buffered inputs and can be used with passive pickups.
Connector for EMG Active Tone controls
and accessories.
Pin 1 Input
Pin 2 Ground for Input
Pin 3 Ground for Output
Pin 4 Output
Pin 5 V+ Supply
1 2 3 4 5
INCLUDED:
1 EXB Control
1 Battery Clip with Buss Connector
1 Stereo Output Jack (Battery Switching)
2 Interconnect cables
10 dB/div
1
2
3
4
5
EXB

- 9V +
NECK
VOLUME
OUTPUT
T
R
S
OUTPUT CABLE
BRIDGE
VOLUME
NOTE REVERSED
CONNECTOR!
BATTERY
BUSS
BRIDGE PICKUP
NECK PICKUP
EXB
CONTROL
Diagram #4
Volume / Volume
EXB Control
VOLUME
B122rH
TONE
B124rH
VOLUME
B122rH
VOLUME
B122rH
VOLUME
B122rH
MASTER
TONE
Diagram #1
Like all EMG Accessory products the EXB uses the 5-pin header as a standard.
Diagram #1 to the right shows how the plug-in connectors are installed.
Be sure to reverse the input connector as shown.
Since there are a variety of installations in which the EXB can be installed it
is impossible to show every installation in this data sheet. Some of the simpler
installations have been chosen. More diagrams are available at our website
http://www.emgpickups.com.
Diagrams #2 and #3 illustrate installations that have a single pickup and
do not use a selection switch.
Keep in mind that all of the EMG Accessory controls can be substituted for one
another since they all have buffered inputs and utilize the same 5-pin connnector.
So, if you decide you would rather use the BTC instead of the EXB, simply unplug
the EXB and replace it with the BTC.
Installation Instructions:
EMG Model: EXB
EXB Page 2
Note: Reversed connector! Pins 1 and 2 are reversed.
Make sure the connectors are plugged on as shown.
All of the EMG Active controls use the same 5-pin connector
shown below.
Diagram #2
One Pickup
One Volume
One EXB
OUTPUT
T
R
S
FROM PICKUP
BATTERY
NEG (-)
RED
RED
BATTERY
BUSS
OUTPUT CABLE
MASTER
VOLUME
- 9V +
EXB Control
RED
MASTER TONE
(PASSIVE)
Diagram #3
One Pickup
One Volume
One Master Tone (Passive)
One EXB
OUTPUT
T
R
S
FROM PICKUP
BATTERY
NEG (-)
RED
RED
BATTERY
BUSS
OUTPUT CABLE
- 9V +
EXB Control
RED
NOTE:
REVERSED CONNECTOR
NOTE:
REVERSED CONNECTOR
MASTER
VOLUME

VOLUME
B122rH
Diagram #5
2 Pickups
Toggle Style Select Switch
EXB Control
Master Volume
VOLUME
B122rH
VOLUME
B122rH
BRIDGE PICKUP
NECK PICKUP
BATTERY
NEG (-)
MASTER
VOLUME T
R
S
OUTPUT CABLE
RED
RED
RED
GROUND
BRIDGE P/U
NECK P/U
OUTPUT
- 9V +
RED
RED
RED
GROUND
BRIDGE P/U
NECK P/U
OUTPUT
2 Pickup Guitars using a selection switch:
Diagrams #5 and #6 show the pickups connected to the B245 Pickup Buss.
To learn more about the B245 Pickup Buss, be sure to go to
http://www.emgpickups.com. More diagrams are available at the EMG website.
The EXB or any EMG Active Tone Control is shown following the pickup buss
and then to the output jack. A master volume could easily follow the EXB
before the output jack.
EXB Page 3
OUTPUT
T
R
S
NK VOLUME
NECK PICKUP
BRIDGE PICKUP
BR VOLUME
BATTERY
NEG (-)
Diagram #6
2 Pickups
Toggle Style Switch
Volume each Pickup (Volumes are independent)
EXB Control
OUTPUT CABLE
NOTE:
REVERSED CONNECTOR
- 9V +
EXB
CONTROL
NOTE:
REVERSED CONNECTOR
EXB
CONTROL

RED WIRES
FROM PICKUPS
MASTER
VOLUME OUTPUT
BATTERY
NEG (-) BLACK
B118
ACTIVE BALANCE
CONTROL ACTIVE TONE
(VLPF)
9V+ POWER BUSS
NOTE REVERSED CONNECTORS
This diagram illustrates an installation using the X Series pickups from EMG
that have an active Tone control. The controls are wired in the above order with
the master Volume control last in the circuit. If you are using
the Active Balance Control remember that a passive Tone control will not
function when it comes after the ABC Control. If you want a standard tone
control the VLPF will be required.
RED
RED
RED
EMG Active Neck Pickup
(Upper 3 pin header)
EMG Active Bridge Pickup
(Lower 3 pin header)
EXB
CONTROL
BOTTOM
VIEW
T
R
S
- 9V +
VOLUME
B122rH
VOLUME
B122rH
RED
RED
RED
GROUND
BRIDGE P/U
NECK P/U
OUTPUT
VOLUME
B122rH
RED
EXB Page 4
Diagram #7
2 Pickups
Toggle Style Switch
Volume each Pickup (Volumes are independent)
EXB Control
Master Active Tone (VLPF)
Diagram #8
2 Pickups
ABC Control
Active Tone (VLPF)
EXB Control
Master Volume Control
Output Jack
OUTPUT
T
R
S
NK VOLUME
NECK PICKUP
BRIDGE PICKUP
BR VOLUME
BATTERY
NEG (-)
OUTPUT CABLE
NOTE:
REVERSED CONNECTORS
- 9V +
ACTIVE TONE
(VLPF)
EXB
CONTROL