EMG JMaster System WH
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EMG
JMaster System WH
Product Info
Article Number:
572669
Brand:
EMG
Model:
JMaster System WH
Category:
Single Coil Pickups
Price:
$372.90
* Prices may vary. Check retailer for current pricing and availability.
The JMaster system is a clever combo of vintage vibe and modern EMG power. It’s a great upgrade for players who want that classic single-coil chime with active preamp punch and EQ shaping—ideal for blues, rock, and players seeking a unique, versatile tone without a complete wiring overhaul.
Product Description
- EMG JMaster System WH
- Complete Pickup Set
- Pre-wired pickguard for electric guitar
- Pickguard: 3-ply black
- Pickup construction: 2 hand-wound active noiseless single coils
- Positions: Bridge and neck
- Magnet material: Alnico 5
- Cap colour: White
- With wide
- stacked coils for a rich and balanced single coil tone
- For a vintage feel and response with the added benefits of an active preamp
- Features a set of powerful master EQ controls on the upper horn of the instrument
- 1 x Volume and 1 x tone controls
- 3-Way switch
- Includes EMG's solderless wiring kit which allows easy modification of an existing instrument
- Made in USA
PROS
- • Hand-wound Alnico 5 coils deliver a surprisingly sweet and articulate single-coil voice.
- • Stacked design effectively eliminates hum without sacrificing vintage tonal character.
- • Integrated master EQ provides broad tonal shaping beyond standard volume/tone controls.
- • Solderless wiring kit simplifies installation, even for less experienced guitar techs.
CONS
- • The 3-ply black pickguard might not suit all aesthetic preferences; limited color options.
- • Active circuitry requires a power source (9V battery), adding to the instrument’s weight.
- • EQ controls, while powerful, can introduce noise if improperly adjusted or shielded.
Product Video
Key Features
Position
Bridge and Neck
Magnet
Alnico 5
Output Level
Approximately 7.5kΩ (Bridge), 6.5kΩ (Neck) – typical for Alnico 5 actives
DC Resistance
4.8mH (Bridge), 4.2mH (Neck) – characteristic of EMG’s design
Mounting
Pre-wired 3-ply black pickguard, designed for easy retrofit
Cover
White
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Frequently Asked Questions
The EQ offers far broader control, affecting mid-range and treble frequencies in a way a simple tone pot can't. It's more like a mini-amp EQ on your guitar.
The solderless wiring kit helps, but you’ll need to ensure your guitar’s pickup cavities are appropriately sized for the pickups and the pre-wired pickguard will fit correctly.
Yes, the active preamp provides a substantial output boost, resulting in a louder signal and potentially requiring adjustments to your amp’s gain settings.
