Durable Electron Tube Valve 6n1n-eb For Amplifiers & Repairs - High. Enhance Your Audio Experience with These Original Soviet 6n1n-EB Tubes, Known for Their Long-lasting Performance and Exceptional Sound Quality. Produced in the 70s and 80s, These Tubes Offer High Reliability and Low Noise, Delivering a Soft, Delicate, and Charming Audio Output. Perfect for Upgrading Your 6n1n/6P1 Tubes, They Bring a Timeless and Captivating Sound to Your Setup. Features: - Original Soviet 6n1n-EB Tubes - Long-life, High-reliability Design - Low-noise and Ultra-durable - Delicate and Charming Sound Quality - Ideal for Upgrading 6n1n/6P1 Tubes - Package Includes 2 Pieces. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.