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【Rare】Siemens EF86 6267 Vacuum Tubes 2 pcs with Original Box Made in Germany b_5
Product Details
A set of two Siemens EF86 / 6267 vacuum tubes. Includes original Siemens packaging.
■ Model: Siemens EF86 (6267)
■ Quantity: 2 tubes
■ Manufacturing: Germany (Siemens-Röhre)
■ Original Box: 2 x Original Siemens boxes
The Siemens EF86 is a low-noise pentode tube that embodies German precision engineering. It is highly regarded by audio enthusiasts worldwide, alongside Mullard and Telefunken, as one of the top three EF86 brands. It is characterized by its high resolution and delicate, transparent sound quality.
It is used in a wide range of applications, including preamplifier stages, phono equalizers, the first stage tube in VOX AC30/AC15 amplifiers, and as a pre-tube in Neumann U67 microphones.
■ Condition
Both tubes have been tested for power. Filament illumination has been confirmed. Includes original Siemens packaging (boxes show signs of age, including creasing and tearing). Please refer to the photos for the exterior condition.
■ Shipping
The tubes will be carefully packed with cushioning material and shipped in their original boxes.
*As these are vintage vacuum tubes, returns and refunds are not accepted. Please purchase with understanding.
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b_5
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.






