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SED "Winged C" 6L6GC / SV6L6GC - precision matched
 This is the highly regarded SED SV6L6GC. These current production tubes are constructed with a gold-plated molybdenum alloy grid and carbon-coated screen grid. All ratings of the SED SV6L6GC meet or exceed those of the original version; top-quality cathode materials and extensive aging yield outstanding performance in high-fidelity and musical-instrument amplifiers.
The SED SV6L6GC is made exclusively at the SED SPb factory in St. Petersburg and they bear the "Winged C" logo. This is the factory that made the famous Svetlana tubes before the New Sensor folks grabbed that name and started using it on other tubes not made by the original Svetlana factory in St. Petersburg. If you want the authentic Svetlana tubes, look for the "Winged C".
These
tubes have been burned in, tested at typical operating voltages on a
laboratory grade Amplitrex AT1000, and precisely matched for both
current draw (mA) and transconductance (Gm). Learn more about our burn-in and testing process here.
Price is for a single tube and includes burn-in and standard matching service. Tubes ship in SED "Winged C" retail boxes.
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Precision Power Tube Matching
Our power tubes are burned in for 48 hours and tested on a laboratory grade Amplitrex AT1000 tube tester. We match tubes for both current draw (mA) and transconductance (Gm) at typical operating conditions (see #3 below) for no extra charge. We can also custom match power tubes at whatever specifications you provide (see #4 below).
The questions listed below allow you to provide optional information about your operating conditions that will help us select the best matched set of power tubes for your amplifier.
Why this matters
1. What is the manufacturer and model of your amplifier?
2. How is your amp biased? Why we ask
3. Choose the matching option you prefer: Why we ask
4. CUSTOM MATCHING ONLY: If you chose "Custom Match" above, please enter the power tube specifications for your amp
CAUTION
5. Feel free to provide more information (for example, guitarists may want to specify early or late breakup) in the comments section when you check out. Thank you!
Price per single tube: $37.00
Enter total number of tubes needed for your matched set
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
PLEASE NOTE: Orders placed Feb. 6-Feb. 20 will ship Tuesday Feb. 21.
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