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Mullard ECC83( 12AX7) NOS

Mullard ECC83( 12AX7) NOS

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Key Characteristics of Original NOS Mullard ECC83
  • Origin: Made in Great Britain (Blackburn or related UK facilities), often identifiable by etched factory codes like f9 (low microphony ECC83) followed by plant and date stamps (e.g., B8F for Blackburn, June 1968). [1]
  • Plate Styles: Early versions featured long plates (such as the I61), while later and more common high-reliability versions featured short plates (such as the I63) with indented ladder plate designs and halo or square getters. [1, 2, 3]
  • Sonic Profile: Known for a warm, organic, and non-fatiguing presentation with deep clarity and well-balanced triode matching compared to modern-day reissues. [1, 2]

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Mullard ECC83( 12AX7) NOS
Mullard ECC83( 12AX7) NOS
Mullard ECC83( 12AX7) NOS
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