Mesa 50/50 Power Amp Modification – Instructions and Parts List

Instructions and Parts List ONLY. This  is a virtual product, the download link to PDF file will be emailed with order confirmation. Photo is for reference only, there are no actual parts included in this product. Due to the nature of virtual products, there are no refunds.

PDF file includes:
(1) Required tools
(1) Parts List
(1) Step-by-step installation instructions

Greatly improve the tone and performance of the Mesa Boogie 50/50 Stereo Power Amplifier by installing our modification kit. Noted improvements:

Better bass response & balanced frequency spectrum
Increased power output
Internal adjustable bias and bias test points

Our kit includes step-by-step instructions and photo reference. Note: The standard “deep mod” (choke, V1 RC replacement, etc.) is included in the kit, but we didn’t stop there! Make your 50/50 the best it can be!
Beginning in 2018, instructions are now online for your convenience. This allows us keep our prices competitive, and helps all of us reduce paper waste. Links to PDF files will be included in the order status email, and your order history. Please add to your email whitelist to ensure you receive our emails.
DIFFICULTY LEVEL: INTERMEDIATE [Follow safety guidelines for working with electricity. Basic soldering skills and knowledge of working with AC/DC circuits. Identify all terminals of electronic components using data sheets. Read resistor color codes and capacitor values. Measure and connect high and low voltage AC and DC. Understand basic working of vacuum tubes. Use all functions of a multimeter. Understand Ohms law and apply to basic circuits. Work with basic hand and power tools.]

Pricing and Options


99990 in stock (can be backordered)


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