A vintage Hammond B3 with polished wood casing, featuring two keyboards with black and white keys, a music stand, and an attached bench in a rehearsal studio setting.

AO-39 Tube Set

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AO-39 Tube Set
  • AO-39 Tube Set
AO-39 Tube Set

AO-39 Tube Set

$82.00
$82.00
Shipping calculated at checkout.

Complete set of tubes for the Hammond AO-39 amplifier used in A-100 series organs. These tubes are all new EH 5U4, 12AX7, and a matched pair of 6BQ5 units.

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.

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