EMG Pi2 Installation Information
PO BOX 4394
S1
SANTA ROSA, CA
95402 USA
0230-0148rC
P (707) 525-9941
F (707) 575-7046
EMGPICKUPS.COM
Pi2
INSTALLATION INFORMATION
EMG MODELS: Pi2 PHASE INVERTER
(ACTIVE/PASSIVE PICKUP INPUTS)
SPECIFICATIONS
Input Impedance (Ohms) 250K
Input Referred Noise -130dbV
Internal Gain 2.5db
Output Impedance (Ohms) 2K
Current @ 9V (Microamps) 980
Battery Life (Hours) 250
Maximum Supply (Volts DC) 18
GENERAL OPERATION:
The Pi2 is a phase reversal switch that electronically reverses the phase of the pickup. You must have two pickups on the instrument in order
for the Pi2 to work. Reversing the phase of one of the pickups results in a tone that is typically very thin sounding and dependent upon the type of
pickups, the distance between them, and their frequency reponse. The Pi2 is installed on either pickup of a two pickup instrument.
On a three pickup guitar it is best installed on the middle pickup allowing phasing with both of the other pickups. The Pi2 does not
provide the “phased ” sound of Stratocaster* style guitars. That sound is derived from the simple mixing of two pickups in different places on
the instrument. The sound of the Pi2 is very unique. Because the Pi2 is used when mixing two pickups is has 2.5db of gain.
INCLUDED:
1 Pi2 Control
1 Battery Clip with Buss Connector
1 Stereo Output Jack (Battery Switching)
2 Interconnect cables
RED (9V+)
OUTPUT
GROUND
GROUND
INPUT
6mm x 8mm H
1.250
SHOWN IN
“ON” POSITION
.383
INPUT
EMG-Pi2
+
S1
OUTPUT
Dimensions:
.600
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
warranty covers only those pickups and accessories sold by authorized EMG Dealers. This warranty is not transferable.
* Stratocaster is a registered Trademark of FMIC.
© 2010 Copyright EMG INC. All Rights Reserved.
Installation Instructions:
EMG Model: Pi2 Phase Inverter
The Pi2 is installed on guitars with two or three pickups. It is shown installed
directly at the output of either one of the pickups. The first few diagrams
show installations for two pickup guitars. The Pi2 is always wired in series
with the signal chain and can be installed on either pickup. On a two pickup
guitar the resultant sound will be the same. Since there are so many
ways to wire a guitar there are only a few diagrams shown.
If the diagram you need isn’t shown, use any of the existing EMG Wiring
diagrams and simply place the Pi2 in series with either pickup similar
to the diagrams shown.
All of the EMG Active controls use the same 5-pin connector
shown below.
Note: Reversed connector! Pins 1 and 2 are reversed.
Make sure the connectors are plugged on as shown.
Diagram #1
BATTERY
BUSS
Diagram #2
Volume / Volume / Pi2
Master Tone (Active)
BRIDGE PICKUP
NECK PICKUP
Diagram #3
Volume / Volume / Pi2
Master Tone (Passive)
BRIDGE PICKUP
NOTE REVERSED
CONNECTOR
NOTE REVERSED
CONNECTOR
NK VOLUME
NK VOLUME
B122rH
VOLUME
B122rH
Pi2
Pi2
BR VOLUME
B122rH
VOLUME
BR VOLUME
B122rH
- 9V +
- 9V +
NOTE REVERSED CONNECTOR
ACTIVE TONE
(VLPF)
OUTPUT CABLE
MASTER
TONE
B124rH
OUTPUT
R
S
T
BATTERY
BUSS
OUTPUT
R
S
T
NECK PICKUP
Pi2 Instructions Page 2
VOLUME
VOLUME
TONE
OUTPUT CABLE
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