KT88 Beam Power Tube from Japan
The KT88 is a large beam power tetrode vacuum tube capable of 50+ watts output, used in high-end audio amplifiers and professional sound reinforcement systems. Its linear performance suits both hi-fi and public address applications. HTS 8540.81.00.00 classification for amplifier tubes.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Declare maximum anode voltage (800V) and dissipation (42W) on entry docs
• Require X-ray inspection certificates for internal structure integrity
• UL listing needed for U.S. amplifier manufacturers