Tube Amp Fiberboard Rectifier Diode Bias Fender Bassman, Showman Twin/Pro Reverb

Tube Amp Fiberboard Rectifier Diode & Bias – Fender Style

This board fits Fender amps and custom builds using a solid-state rectifier, including Pro/Twin Reverb, Bandmaster, Showman, and similar circuits.

Board Dimensions:
• 3” × 2”  
• Made from durable vulcanized fiberboard  
• Includes insulator board for safe installation  

Features:
• Precision construction for reliable tube amp performance  
• Compatible with multiple Fender amp circuits  
• Can be customized – full eyelet layouts or custom designs available  

Ideal for DIY amp builders, vintage Fender restorers, and enthusiasts seeking high-quality fiberboard rectifier and bias parts.  

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