Upgrade your amplifier with the Lot of 2 Perfect Matched Codes NOS GE/RCA 7581A KT66 Black Side Getters Tubes. These vacuum tubes, perfect for replacing any 6L6GC type, offer enhanced performance and reliability for your audio equipment.

Features:

• Direct Replacement: The U.S. Made 7581A is a direct substitute for the KT66 vacuum tube, offering compatibility and easy installation in a variety of amplifiers and audio equipment.
• High Plate Dissipation: With a plate dissipation rating of 35 watts, the 7581A KT66 delivers powerful performance, providing ample headroom and a warm tone for superior audio quality.
• Industrial Strength: Designed as an industrial strength version of the 6L6GC, these tubes feature a large plate structure and heat dissipaters for enhanced reliability and longevity.
• Interchangeable: Interchangeable with the 6L6GC, these tubes offer versatility and compatibility with a wide range of audio equipment, ensuring seamless integration into your setup.

Specifications:

• Tube Type: 7581A KT66
• Getter Type: Black Side Getters
• Plate Dissipation: 35 watts
• Quantity: Lot of 2 tubes
• Brand: GE/RCA
• Compatibility: Suitable for use in amplifiers and audio equipment requiring 6L6GC or KT66 tubes.

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I will ship UPS Ground same-day if ordered before 1pm Central, but no later than 1 business day handling time (business days are M-F). This will be packed with exquisite care.

I will accept returns within 30 days, but please carefully review the notes and all pictures before buying!

Please also feel free to message me if you have any questions.

Thanks for looking!