31H Rebuild Kit
31H Rebuild Kit
IMPORTANT: This listing is for the Early 31H and 31H Type II amplifier rebuild kits only. For later 31H models equipped with the later 32H Series III amplifier, please see our separate 32H Series III Rebuild Kit.
Three different amplifier versions were produced over the years.
Please verify which version you have by carefully inspecting your amplifier and confirming its tube complement before ordering.
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Early 31H amplifiers (serial numbers below 5200): Equipped with two 5Z3, four 6L6, and two 6J5 tubes.
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31H Type II amplifiers (serial numbers above 5200 and below 8000): Equipped with two 5U4, four 6L6, and three 6J5 tubes, one of which serves as the tremolo control.
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32H Series III amplifiers (31H serial numbers above 8000): Equipped with two 5U4, four 5881 (6L6 equivalent), one 6SN7, and one 6J5 tube.
This amplifier was also used in certain Leslie 21H models equipped with the optional 30-watt amplifier
Over the decades, the original electronic components in these amplifiers, particularly resistors and capacitors, can deteriorate or drift from their specified values. This can lead to a variety of issues, including static, thunderstorm-like noises, reduced volume, intermittent operation, and overall poor sound quality.
While replacement components are available individually from various suppliers, we've eliminated the guesswork and hassle of sourcing them separately by offering everything you need in one convenient package!
Installation instructions, a schematic, and/or a component list will be provided as a digital download after purchase, as applicable.
Important Notice:
- Technical support is limited to the information provided in this listing. No additional installation instructions or support are included.
- Any improper installation, modification, or misuse of this product will void all warranties.
- Installation and use of this product are performed entirely at the user’s own risk. Servicing or modifying electronic equipment involves inherent risks of injury, damage to equipment, and damage to personal property.
- Tonewheel General assumes no responsibility or liability for any damage, loss, injury, or other consequences resulting from the installation or attempted installation of this product.
- If you are not fully confident in your ability to perform this installation safely and correctly, we recommend sending the unit to us for professional service.