New Old Stock Beijing  1PC Soviet 6H3Π-EB (6N3P-EB) Dual Triode Vacuum Tube replace 6H3n 6n3 5670

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The 6H3Π-EB (6N3P-EB) is a high-quality dual triode vacuum tube manufactured in the Soviet Union, designed for amplification applications in audio and RF circuits. Known for its rugged construction and reliable performance, this tube features a 9-pin miniature (B9A) base and operates with a 6.3V filament voltage.

With low noise and high gain, the 6H3Π-EB is often used in preamplifier stages, microphone amplifiers, and high-frequency oscillators. Its glass envelope and robust internal structure ensure durability, making it a popular choice among audiophiles and vintage radio enthusiasts.

Key Specifications:

Type: Dual triode
Filament Voltage: 6.3V
Pin Configuration: B9A (Noval)
Typical Applications: Audio amplification, RF circuits
Equivalent Tubes: 6N3, 5670, 

This tube is prized for its warm, detailed sound signature and is commonly used in hi-fi and tube-based audio equipment.