Description
Graph Tech Ghost Series Acousti-Phonic Preamp Board for Guitar (PD-0240-00)
Transform your electric guitar into a versatile hybrid instrument with the Graph Tech Ghost Acousti-Phonic Preamp Board. Precision-engineered by Graph Tech Guitar Labs, this intelligent internal preamp board captures the natural, organic acoustic acoustics of your electric guitar, delivering pristine, studio-quality acoustic tones at the flip of a switch—all without feedback or microphone placement issues.
Designed as the standard factory replacement core or a foundation for custom setups, the PD-0240-00 is equalized specifically for guitar frequencies. It allows you to tap into rich acoustic textures while retaining full access to your standard magnetic pickups, letting you perform with pure acoustic tone, traditional electric crunch, or an enhanced, blended hybrid sound.
Key Features
Smart Mono/Stereo Auto-Sensing: The board intelligently detects whether you have connected a standard mono guitar cable or a stereo TRS cable. In a mono configuration, it automatically sums your magnetic and piezo signals into a single output. In stereo, it cleanly separates the signals, routing your magnetic electric tone to a guitar amplifier while directing the acoustic piezo signal straight to a PA system or mixing console.
Onboard Volume Gain Matching: No more volume jumps when switching tones. The preamp board features an integrated internal gain potentiometer, allowing you to fine-tune and perfectly balance the output level of your acoustic piezo saddles with your guitar's passive magnetic pickups.
Ultralight, Compact Form Factor: Engineered for discrete internal routing, the board measures a highly compact 1-5/8" x 1-1/8" and rests at a height of roughly 3/8" with connectors attached. It fits effortlessly into restricted electronic control cavities without requiring heavy body modifications.
Modular Expansion Architecture: Built to scale with your performance needs. This board can be seamlessly piggybacked directly with the Graph Tech Hexpander MIDI interface board, increasing the total combined height to a mere 1/2" while adding full MIDI and hexaphonic tracking capabilities to your guitar.
Technical Specifications
Brand: Graph Tech Guitar Labs
Product Line: Ghost Modular Pickup System
Manufacturer Part Number / SKU: PD-0240-00 (also listed as 0240-00)
UPC / GTIN: 702725243617
Component Type: Internal Preamp Circuit Board Only
Frequency Tuning: Equalized specifically for Electric Guitar
Power Requirement: 1 x 9V Battery (Supports 9V–18V auxiliary power configurations)
Physical Dimensions: 1-5/8" x 1-1/8" x 3/8" (L x W x H with connectors attached)
Compatibility & Installation Note
Direct Kit Replacement: This board serves as the exact direct replacement circuit board originally bundled in the Graph Tech Basic Preamp Kit (PE-0240-00), Advanced Preamp Kit (PK-0240-00), and the Hexpander Preamp Kit (PK-0680-00).
Pickup Requirements: This preamp is designed to process signals from piezo saddle pickups (such as Graph Tech Ghost Saddle Pickups or ghost-loaded Bridge Assemblies) and passive magnetic pickup networks.
Important Constraint: This active preamp is not intended to be paired with active magnetic pickups (such as active EMG sets), as active pickups feature their own separate internal preamps and will cause impedance mismatches.
Professional Installation Recommended: Because this component involves intricate internal wiring, point-to-point connections, and potential routing changes for additional control harnesses, installation is highly recommended for experienced DIY builders or professional guitar technicians.