RCA 6SL7GT Clear Glass Vintage Preamp Tubes Tested Good

S$ 46.0

FREE shipping with SingPost normal mail. Additional S$2.50 for tracking service.

Overseas postage flat rate S$15. Contact us for order. We will create an invoice for your payment in credit card. Combined postage is possible.

  • RCA tubes are always a worthy possession and these are excellent 6SL7 to upgrade any stock 6SL7 tubes of any amps.
  • Good bargain price
  • Comes in white box.
  • All vintage tubes come with 1 month warranty.

Out of stock

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Description

Authentic & Tested. Tubes we sell are ALL tested unless otherwise stated! All tubes are cleaned and well-taken care. Look at the photos for the highly crystal-clear glass and clean pins despite being over half a century old!

FREE shipping with SingPost normal mail. Additional S$2.50 for tracking service.

Overseas postage flat rate S$15. Contact us for order. We will create an invoice for your payment in credit card. Combined postage is possible.

For vintage tubes, American tubes offer fantastic performance value for money. The quality these tubes possess is unrivalled compared to today’s reissues without costing such a premium like vintage European counterparts.

RCA tubes are always a worthy possession and these are excellent 6SL7 to upgrade any stock 6SL7 tubes of any amps.

These 6SL7s are tested by plate current instead of the usual transconductance because the input values are beyond my tester could handle. Values are obtained from characteristic plot of their graphs of the tubes data.

Typical plate current reading for the test is 0.5mA for new tubes. Typical gain values should be around 70mu for new tubes.

Tube #1
Side A: 0.55mA / 72.7mu
Side B: 0.51mA / 71.7mu

Tube #2
Side A: 0.72mA / 71.8mu
Side B: 0.69mA / 71.8mu

Comes in white box.

All vintage tubes come with 1 month warranty.

See how we test tubes here.

What you see is what you get. When we sell tubes we always will take various angles of it so to make sure what you select is exactly what you saw. No substitutions, no dishonest replacements.

Note: unless specifically mentioned, we do not label our out-of-production tubes as NOS (New Old Stocks), a term so commonly branded in many tubes seller. There can almost never be any guarantee these out-of-production tubes are NOS; they were mostly made in the middle of 20th century!! Who tells the tale that they are still new?? No doubt there will still be, but the changes of hands of all these stocks made this verification too difficult. To us, tubes can test excellent or test like new, but we call them all vintage tubes.

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