About Us?
We specialize in manufacturing and supplying high-quality vacuum tubes (valves) and tube amplifier components for audiophiles, musicians, and vintage audio enthusiasts. Our product range includes premium 6H2, 12AX7, EL34, 300B, and other popular tubes, along with matched pairs, capacitors, resistors, transformers, and sockets for tube amp builders and restorers.
With strict quality control, we offer NOS (New Old Stock) tubes, modern reproductions, and hard-to-find replacements for classic amplifiers. Whether you need a single tube or a complete BOM (Bill of Materials) for your DIY or repair project, we provide expert matching, testing, and custom sourcing to ensure optimal performance.
Trusted by audio professionals worldwide, we are committed to preserving the warm, rich sound of tube technology. Contact us for bulk orders, custom solutions, and technical support—your perfect tone starts here!
FAQs
1. What types of vacuum tubes do you sell?
We offer a wide range of new production and NOS (New Old Stock) tubes, including 6H2, 12AX7, EL34, 300B, KT88, 5U4G, and many more. Our inventory covers preamp, power, rectifier, and driver tubes for Hi-Fi audio, guitar amps, and vintage equipment.
2. Do you provide matched pairs or quads?
Yes! We carefully test and match tubes for balanced performance in push-pull amplifiers. Matched pairs and quads are available for popular models like EL34, 6L6, and 300B to ensure optimal sound quality.
3. Can you help me find a rare or discontinued tube?
Absolutely. We specialize in sourcing hard-to-find and vintage tubes. Contact us with your requirements, and we’ll check our stock or global supplier network for replacements.
4. Do you sell complete component kits for tube amp builds?
Yes! We offer custom BOMs (Bill of Materials) with all necessary parts—tubes, capacitors, resistors, transformers, ICs, sockets, and chassis components—for DIY builders and restorers.
5. How do I know if a tube is compatible with my amplifier?
Check your amp’s manual for the required tube type (e.g., 12AX7, 6V6). If unsure, send us your amp’s model, and we’ll recommend suitable tubes or equivalents.
6. Do you offer testing and warranty on tubes?
All tubes undergo rigorous testing before shipment. We provide a warranty period (varies by product) to ensure reliability. NOS tubes are tested for emissions and noise.
7. What’s the difference between NOS and new production tubes?
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NOS (New Old Stock): Vintage tubes from original manufacturers (e.g., Mullard, Telefunken, RCA)—prized for their classic sound.
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New Production: Modern-made tubes (e.g., JJ, Electro-Harmonix, Tung-Sol) with consistent quality and availability.
8. Do you ship internationally?
Yes! We ship worldwide with reliable carriers. Free shipping with tracking number.
9. Can I get a discount for bulk orders?
We offer wholesale pricing for dealers, studios, and large projects. Contact us for a quote.
10. How do I store spare tubes to prolong their life?
Keep them in a cool, dry place, preferably in original boxes. Avoid humidity and extreme temperatures to prevent degradation.
Why Choose Us?
✅ Expert technical support for tube selection & troubleshooting.
✅ High-quality components for audiophiles and professionals.
✅ Global sourcing of rare and vintage tubes, components.
✅ Custom solutions for DIY and restoration projects.
PSVANE KT88-T Mark II Premium Grade Vacuum Tubes 6550Free shipping with tracking number.Warranty : 1 yearPrice is for 1 PC KT88 tube, ship by fast shipping methodBuy 4 pcs, we will send matched quad, buy 2 pcs, we will send matched pair, if you need more, and matched, please
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KT88-TII is a beam power tetreode, its anode limited dissipation power is 42W. In the audio amplifier, the power can be 100W when it is used as push-pull class AB1 with double tubes, it can also be used in electronic voltage regulator circuit. KT88-TII is similar with CV5220 and 6550,they can be replaced by each other.
Heater
Uf ……………6.3 V
If…………………………1.6 A
Maximum Rating
Ua……………………800 V
Ug2………………600 V
Ug1………………-200 V
Pa………………42 W
Pg2…………8 W
Ua+g2…………46 W
Ik……………………230 mA
Uh-k……………200 V
Tbulb…………………250 C
Rg1
with cathode bias
Pa+Pg2≤35W 0.47 MΩ
Pa+Pg2 > 35W 0.27 MΩ
with fixed bias
Pa+Pg2≤35W 0.22 MΩ
Pa+Pg2 > 35W 0.10 MΩ
Exceptional Audio Quality for Discerning AudiophilesThe PSVANE KT88-T Mark II Premium Grade Vacuum Tubes 6550 is crafted to deliver outstanding audio performance. This vacuum tube amplifier is perfect for those who demand high fidelity sound from their audio systems. Whether you are a professional musician or an audio enthusiast, these tubes transform your tube amplifiers into a powerhouse of sound, ensuring every note is crystal clear and every beat resonates with depth. Designed for tube amplifier hifi systems, it brings out the best in your music, providing a listening experience that is both immersive and engaging.Precision Engineering for Superior PerformanceEngineered with precision, the PSVANE KT88-T Mark II boasts a robust design that ensures durability and longevity. The tube's high anode dissipation power of 42W makes it ideal for high-performance tube guitar amps for sale, offering exceptional power handling and thermal stability. This vacuum tube amplifier is meticulously tested to meet the highest standards of quality, ensuring that it performs flawlessly in any setup. Its compatibility with other models like CV5220 and 6550 makes it a versatile choice for various tube amplifiers.Versatile Applications for Diverse NeedsThis premium vacuum tube is not only perfect for tube amplifier hifi systems but also excels in electronic voltage regulator circuits. It can be used in both push-pull class AB1 configurations and as part of DIY audio projects. Its adaptability makes it a valuable addition to any tube amplifier store, catering to a wide range of audio applications. Whether you're building a custom audio setup or upgrading existing equipment, the PSVANE KT88-T Mark II offers the flexibility and performance you need.Product Advantages•Unmatched Audio Fidelity: Elevate your audio experience with the PSVANE KT88-T Mark II, designed to deliver superior sound quality in any vacuum tube amplifier setup. Its precision engineering ensures every detail of your music is captured with clarity and richness, making it ideal for tube amplifier hifi systems.•Robust and Reliable Design: Built for durability, this premium vacuum tube offers exceptional longevity, making it a reliable choice for any tube amplifier store. Its high anode dissipation power and thermal stability make it perfect for demanding audio applications.•Versatile Compatibility: Compatible with CV5220 and 6550 models, this tube is a versatile addition to any tube guitar amps for sale. Its adaptability ensures it can be used in a variety of audio setups, from professional studios to home audio systems.•Comprehensive Testing and Quality Assurance: Each tube undergoes rigorous testing to ensure it meets the highest standards of quality, providing peace of mind for audiophiles and professionals alike. This commitment to excellence makes it a standout product in the world of tube amplifiers.•Free Shipping and Warranty: Enjoy the convenience of free shipping with tracking, along with a one-year warranty, making it a risk-free investment for your audio needs. This customer-focused approach enhances its appeal in any tube amplifier store.Usage Scenarios•Home Audio Systems: Enhance your home audio setup with the PSVANE KT88-T Mark II, perfect for tube amplifier hifi systems that demand high fidelity sound. Experience music like never before with rich, immersive audio quality.•Professional Recording Studios: Ideal for studio environments, this vacuum tube amplifier provides the clarity and precision needed for professional audio production, ensuring every track is captured with exceptional detail.•DIY Audio Projects: For audio enthusiasts and DIY builders, this vacuum tube offers the flexibility and performance needed for custom audio projects. Its versatility makes it a valuable component in any tube guitar amps for sale.•Live Music Performances: Elevate your live performances with this premium vacuum tube, designed to deliver powerful, dynamic sound that captivates audiences. Its reliability and performance make it a must-have for musicians and performers.•Vintage Audio Equipment: Restore and enhance vintage audio equipment with the PSVANE KT88-T Mark II, compatible with a range of classic tube amplifiers. Its superior sound quality and durability make it an excellent choice for vintage audio enthusiasts.Upgrade your audio experience with the PSVANE KT88-T Mark II Premium Grade Vacuum Tubes 6550. Whether you're an audiophile, musician, or DIY enthusiast, this vacuum tube is your gateway to superior sound quality. Don't miss out on this opportunity—order now and transform your tube amplifiers into a powerhouse of sound!
