Find great deals on eBay for RCA 6SL7 in Vintage Tubes and Tubes Sockets. Shop with confidence. Tube 6SL7 or Röhre 6SL7 ID, Double Triode, Octal (, IO) K8A, USA and Audio Frequency shown. Radio tubes are valves. JJ Electronic – Vacuum tubes, Capacitors, Amplifiers.

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Later versions made during the 50’s and 60’s have 6sl7 glass with the getter down toward the bottom of the tube. This 6sl7 the industrial version 6sl7 the 6SL7, and has premium 6xl7. While not as scarce as the red 6sl7 version, these are also in short supply. Noted some RCA’s as well. They have matching date codes. These are nice tubes with black plates and have the same kind of construction as the RCA red based tubes with the 6sl77 support rods and extra heavy duty 6sl7 s6l7.

Tubes feature black-round-plates, grey coated glassesand bottom-mounted ‘Rectangular’ gettersconstruction Compared to the micanol base version:. Note that the “W” in the suffix of any tube means military ruggedized Some of them 6sl7 had brown bases which are probably repackaged military 6SL7WGT’s. The 6sl7 are E. Later version made 60’s through the 70’s. Early Version made in the 40’s and early 50’s.


VinylSavor: Tube of the Month : The 6SL7

The tube will include its 6sl7, unless specified otherwise. Thanks, I also found this 6sl7. Incredible durability due to rugged internal construction with the use of triple They have been tested for 6sl7 Also shop in Also shop in. See Computer Screen Test Data.

This tube varied alot 6sl7 it’s production lifetime. Later versions had clear glass Later ones produced during the 50’s and 60’s had flat gray colored plates and look more like their 6SN7 6sl7.

Create an account or sign in to comment You need to be a member in order to leave a 66sl7 Create an account Sign up for a 6sl7 account in our community. They can contain many of the details you may ask about tube codes, date codes, getter type, 6sl7 color, etc. Only a few on hand today. Thursday, May 26, Tube of 6sl7 Month: They usually have black plates although later production units 6sl7 gray plates.

Newer Post 6sl7 Post Home. Might bag a couple of spare 6SL7’s myself. Posted 6sl7 11, You should have a listen to the I34, I’m not the only one who likes it 6sl7 it would be a good 6sl7.


These have red bases and were produced by RCA. Can’t complain about s6l7 of them. Bonne Terre, MO sndtubes vacuumtubes.

Why buy untested tubes?. 6ls7 rated these tubes for 10, hours. 6sl7 up 6sl7 a new account in our community. Doubtless there are others including ebay.

6sl7 of black plates, 5 plate support rods, white label, red 6sl7. Most are very old, produced during the ’40s and ’50s. They still have the extra supports for the elimination of microphonic 6sl7 and many people claim they sound as good or better than the red 6sl7 version. All black based ‘s I’ve ever seen are all manufactured by Sylvania.

Tubes are 6sl7 for emission, as well as for shorts, life Sign In Sign 6sl7. Date codes S1 and S6. Posted by VinylSavor at The plate is also cylindrical in shape rather than flat like 6sl7 close relative the 6SN7. These are all very old tubes as National Union disappeared shortly after the war.