FS: 6080/6AS7/5998, 6SN7/6F8G Tubes
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1.00
Apr 25, 2015 at 5:57 PM Thread Starter Post #1 of 6

bonesnv

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NOTE:  There are a lot of photos attached and in the thread, if you're on your mobile phone viewing this, you may hate me.
 
 
Tested with TV-7B/U Tube Tester - Calibrated 3/21/2015
 
These tubes have all seen use, so are considered NOS or whatever acronym people want to assign and if they have original packaging I have noted it for each set.  The original packaging is 50+ years old, so be mindful that it is in rough shape.
 
Tubes were utilized in a Woo Audio WA22, which was recently sold here on Head-Fi. Reducing the stock of some tubes, as I seem to have started a new collection of preamp tubes without noticing. Not looking for trades or offers at this time, prices are firm. Tubes are being sold as pairs, not interested in splitting them up individually.
 
 
1 x Pair Western Electric 421A ($275)
    Tube #1:     50/49
    Tube #2:     50/49    
    Minimum:   40/40
  1. Clean yellow Western Electric writing
  2. Matching Date Code: 6326
  3. Purchased from Arizona Tube Supply - 2014
  4. Approximately 600 hours used
    1. ​Due to the amount of hours used, reduced price.
  5. Test Date: 4/25/2015
 
1 x Pair Tung-Sol/Chatham 6520 ($80)
    Tube #1:     50/50    (Date Code: 817)
    Tube #2:     52/52    (Date Code: 5912)
    Minimum:    36/36
  1. Tube 1 has white lettering, Tube 2 has yellow lettering, both very clean.
  2. Approximately 20 hours used
  3. Test Date: 4/25/2015
  4. Tested using 6AS7 settings - they are a variant and could not locate 6520 specific calibration information.
 
1 x Pair RCA 6F8G ($70) (Photos below)
    Tube #1:     82/86
    Tube #2:     84/86
    Minimum:   50/50
  1. Smoked Glass / Round Mica / Flat Black Plate 
  2. Markings: RCA Logo, 6F8G glass, Made in U.S.A.
  3. Matching Date Code: 7-43
  4. Approximately 5-10 hours used.
  5. Test Date: 4/26/2015
 

 
1 x Pair GEC 6AS7G/CV2523 ($550) - SOLD
    Tube #1:     64/64
    Tube #2:     64/64
    Minimum:   36/36
  1. Original box, excellent chalk markings/writing, brown base, single O-getter
  2. Markings: CV 2523, ^ (up arrow) X/Z, Made in U.K., GEC sticker
  3. Matching Date Code: 71 20 Z
  4. Approximately 50 hours used.
  5. Test Date: 4/25/2015
 
1 x Pair Tung-Sol JAN-5998 ($225) - SOLD
    Tube #1:     58/58    (Date Code - 6718 / 6651)
    Tube #2:     60/59    (Date Code - 6717 / 6646)
    Minimum:    40/40
  1. Clear writing on base.
  2. Tube #2 has a slight glue rattle/noise if tipped, has never affected performance of the tube.
  3. Approximately 300 hours used.
  4. Test Date: 4/25/2015
 
1 x Pair RCA JAN CRC-6AS7G ($30) - SOLD
    Tube #1:     73/73
    Tube #2:     73/73
    Minimum:    36/36
  1. Original box, clear writing on base.
  2. Matching Date Code: March 1953
  3. Approximately 10 hours used.
  4. Test Date: 4/25/2015
 
1 x Pair Thomson-CSF 6080WA ($30) - SOLD
    Tube #1:    68/68    
    Tube #2:     67/67
    Minimum:    36/36
  1. Original box, only used for 1-2 hours to test.
  2. Test Date: 4/25/2015
 
 
NOTES:  
  1. Buyer is responsible for PayPal fee's and $8 flat fee for shipping,
    1. ​If you wish to order more than one set, will ship without additional costs.
  2. I will be updating this thread with some additional tubes, so it may be open for a bit.  Send me a private message with the tubes you are interested in which are currently listed, and any questions.
  3. For reviews on tubes, dating information, codes, etc., please check out Google first.
 
Apr 26, 2015 at 11:08 AM Post #2 of 6

bonesnv

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Additional tubes posted below:
 
 
1 x Pair Tung Sol VT-99/6F8G ($180)  - SOLD
    Tube #1:     87/85
    Tube #2:     88/89
    Minimum:   50/50
  1. Original box - Newark, NJ
  2. Black Glass / Square Mica / Round Plate
  3. Markings: Tung Sol VT-99, 6F8G on glass
  4. Matching Order #: 643-WFSCPD-42 
  5. Approximately 50 hours used
  6. No noise/microphonics when I used in WA22, let warm up for 15 minutes
  7. Test Date: 4/25/2015
 

 

 

 

 

 
 
 
1 x Pair Tung Sol VT-99/6F8G ($180)  - SOLD
    Tube #1:     96/90
    Tube #2:     100/106
    Minimum:   50/50
  1. Original box - MFG for Warwick Corp.
  2. Black Glass / Oval Mica / Round Plate
  3. Markings: Tung Sol VT-99, 6F8G on glass
  4. Matching Order #: 2284-WFSCPD-42 
  5. Approximately 50 hours used
  6. No noise/microphonics when I used in WA22, let warm up for 15 minutes
  7. Test Date: 4/25/2015
 

 

 

 

 

 

 
 
 
1 x Pair Tung Sol VT-99/6F8G  - (SOLD)
    Tube #1:     98/96
    Tube #2:     94/94
    Minimum:   50/50
  1. Black Glass / Round Mica / Round Plate 
  2. Markings: Tung Sol VT-99, 6F8G glass
  3. Unknown Date Code
  4. Approximately 200 hours used
  5. My favorite pair used in my WA22, absolutely silent, grid caps always fit perfectly.  Let them warm up for 15 minutes
  6. Test Date: 4/25/2015
 

 

 

 

 
Apr 26, 2015 at 11:51 AM Post #3 of 6

bonesnv

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1 x Pair RCA 6F8G ($70)
    Tube #1:     82/86
    Tube #2:     84/86
    Minimum:   50/50
  1. Smoked Glass / Round Mica / Flat Black Plate 
  2. Markings: RCA Logo, 6F8G glass, Made in U.S.A.
  3. Matching Date Code: 7-43
  4. Approximately 5-10 hours used.
  5. Test Date: 4/26/2015
 

 

 

 

 
 
 
1 x Pair Ken-Rad VT-231 ($125) - SOLD
    Tube #1:     84/88  (U4)
    Tube #2:     88/86  (T4)
    Minimum:   50/50
  1. Black Glass
  2. JAN-CKR 6SN7GT
  3. Markings: 6SN7GT glass, T4/U4 date label(?), SC961A Serial Num(?)
  4. Approximately 100 hours used.
  5. No noise/microphonics when used in my WA22.
  6. Test Date: 4/26/2015
 

 

 

 
May 11, 2015 at 7:22 PM Post #4 of 6

hdtv00

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Proper pricing on the tubes instead of trying to milk members like some others posts I've seen. Would've loved to get them GEC 6AS7G but someone snatched them up already. Might I ask you have some killler tube sets, which were your favorites pair.
 
May 11, 2015 at 7:58 PM Post #5 of 6

bonesnv

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Appreciate the comments, though some of the prices on a few tubes are probably a tad high since I am a partial to them so not totally innocent on the trying to make some money side of the equation.
 
Depends on which amp, the WA22 offered a lot of very nice and rather costly options that were fun to try but not all were winners.  For the LCD3's, my end-all favorite was the 5998/421A Power, CV181 or VT-99 drivers and GZ37 "Fat Bottle" or a U52 rectifier.  For the Decware, favorite setup ended up being Telefunken EL84's, GZ37 "Fat Bottle" and Amperex 7308.  Though I really like the Ediswan tubes and use them in my Budgie phono. 
 
May 17, 2015 at 5:26 PM Post #6 of 6

bonesnv

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Prices reduced on a few of the remaining pairs.  Will be starting another thread in a couple of days with a couple of the extra 5U4 style rectifiers I have, just need to finish up testing them.  Stay tuned!
 
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