New Old Stock matched pair of Mullard E83F / 6689 gold-pin vacuum tubes, manufactured at the Philips Heerlen factory in Holland. Includes both original IEC Mullard boxes.

• Matched and code matched pair • Both tubes marked Δ9F4 • Gold pins and mesh construction • Tested GM: 5200 and 5100 — approximately 2% apart • Quantity: Two tubes with original boxes

Original glass markings show some fading, and the boxes have storage wear. Please review the photos for cosmetic condition.

Carefully packed for shipping. Combined shipping available on multiple purchases

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Listed10 hours ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • 6699
Categories
Year
  • 1969

Product safety information may be available here.

Hillbilly Tubeworx

Houston, TX, United States
Joined Reverb:2023

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