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Based on price data from 2 merchants for "Telefunken KT88-TK Black Diamond Series Power Tube". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Experience a new level of sonic excellence with the Telefunken KT88-TK Black Diamond Series Power Tube. Engineered in collaboration with JJ Electronic of Slovakia, this power tube is a masterclass in craftsmanship and performance. Whether you're aiming for the crisp clarity needed in a hi-fi power amplifier or the rugged robustness required by live stage guitar amps, this tube delivers with aplomb. Its beam-power tetrode design channels the rich, midrange character of the iconic KT88, while offering an expanded low and high-frequency response, making it perfect for both personal and professional audio applications.

What sets the Telefunken KT88-TK apart is its meticulous construction process. Each tube undergoes rigorous testing, including cryogenic treatment and an extensive burn-in period, ensuring optimal performance and reliability. With the ability to handle plate voltages up to 800V, this tube stands as one of the largest in its class, providing high power output with minimal distortion. For musicians and audiophiles seeking to enhance their sound, the Black Diamond Series offers unparalleled tonal richness and durability.

Key Features:

  • Premium KT88 power tube crafted in collaboration with JJ Electronic of Slovakia
  • Beam-power tetrode design for expanded low and high-frequency response
  • Handles plate voltages up to 800V, ideal for high-power, low-distortion applications
  • Rigorous testing includes cryogenic treatment and extended burn-in process
  • Suitable for guitar amps and hi-fi power amplifiers
  • Offers characteristic KT88 midrange with additional frequency expansion

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