EMG JMASTER Service-Handbuch

General INFORMATION:

The JMASTER* Pickguard Assembly is EMG’s full tilt active system for Fender Jazzmaster** guitars.

The Pickguard is a direct replacement, with some exceptions for non-USA made guitars. The system is

completely hum and buzz free, typical of EMG design. A 9 Volt battery will run the system for many months.

The pickguard is a multi-laminate style to reduce microphonics and unwanted feedback.

PICKUPS:

Both pickups feature Alnico 5 rods and large, squat coils for a vintage look and full-bodied attack.

A resonance of 3.15kHz and a low Q give the pickups a balanced tone with smooth high end.

STANDARD CONTROLS:

There is the standard 3-position selection switch on the lower bout, in addition to a Master Volume and Tone.

EFX CONTROLS:

The master controls on the upper bout feature our well known SPC Presence Control - a broad mid-range boost designed to give the instrument

a fatter overall tone. In addition, a 2-position switch lets you transform the SPC into a flat boost of up to 12db over the full bandwidth.

Also on the top bout of the instrument is EMG’s EXG Expander. The EXG boosts both low and high frequencies, giving the instrument a very liquid

tone with full bottom end and enhanced highs.

Both the EXG and SPC/Boost controls are engaged when turned toward the bridge and bypassed when turned fully toward the neck.

All controls effect the master signal, and are applied to whichever pickups are selected by the 3-position toggle.

0230-0377rB

PO BOX 4394

SANTA ROSA, CA

95402 USA

P (707) 525-9941

F (707) 575-7046

EMGPICKUPS.COM

0.025 LOG FREQ (kHz) 10

6 dB/div

SPC/BOOST

EXG

0.025 LOG FREQ (kHz) 10

6 dB/div

UP POSITION

BOOST

DOWN POSITION

SPC

0.025 LOG FREQ (kHz) 10

6 dB/div

SPC

BOOST

EXG

INSTALLATION INFORMATION

EMG MODEL: JMASTER* SYSTEM

**JAZZMASTER is a trademark of Fender Musical Instruments Corporation

*JMASTER is a registered trademark of EMG, Inc.

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.

JMASTER Page 2

SPECIFICATIONS: MODEL:

JMASTER

Logo Color Gold

Magnet Type Alnico V

Resonant Frequency (kHz) 3.15

Output Voltage (String) 0.50

Output Voltage (Strum) 0.80

Output Noise (dBV) -120

Output Impedance (kΩ, Complete System) 2.00

Current @9V (Milliamps, Complete System) 1.20

Battery Life (Hours)† 400

Maximum Supply (Volts DC) 27

†estimate for two pickups powered by a single 9V, 500mAh battery

INSTALLATION INSTRUCTIONS:

1) Remove your strings, bridge, existing pickguard and pickups.

2) Install the pickup cables onto the back of the pickups as shown.

You can use any existing foam riser pads or replace them.

3) Install the pickups into place. Both pickups are identical.

4) Plug the pickup cables onto the Control PC Board as shown,

with the terminals facing up and visible.

5) Place a 9 Volt battery into the control cavity and insulate it

with some foam or tape. Alternatively, install a battery box.

6) With the battery in place and connected, it’s a good idea to test

the system before you reinstall the pickguard and bridge.

Plug a cable from the jack to your amp, and turn up the

volume slightly. Tap on the pickups with a small metallic

screwdriver to make sure each pickup is working. You can

also test the function of all onboard controls at this time.

7) If everything tests OK, screw the pickguard and pickups into

place, reinstall bridge, restring and adjust pickup height

to your preference.

9/18 VOLT

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