[bcowen]

Can anyone with experience give me insight on these?

From what I can see in the pictures, they appear to be the real deal. Bottom getter, domino plates, micas look right, base printing looks legit. One made in 1978 and one in 1979.

 

[fuzzroffe]

This sounds sooo amazingly good. I’m glad I got two of them, they should last me for years and years

 

[bcowen]

This sounds sooo amazingly good. I’m glad I got two of them, they should last me for years and years

Nice! To date, that's my favorite 6AS7G.

 

[Ripper2860]

Ditto.

 

[fuzzroffe]

Nice! To date, that's my favorite 6AS7G.

Definitely, this is my number one, with the Sylvania 7236 next.

 

[hmscott]

This picture doesn't inspire confidence. Don't know what that brown is -- I've never seen anything like that in a tube. Should be silver. If the vacuum was bad or gone, it would be a chalky white color. But brown?

I saw the brown flashing and it did cause me concern but thought it might be reflection from the brown tabletop, etc. Unfortunately, it may not be as simple as that.
A proper visual inspection once received by the buyer should tell if it is in fact brown flashing or a reflection.

Good news! I received the tube, and the flashing doesn't have any "brown" tinge at all, in fact I don't think this is the same tube as in the photos; the seller did say he had 2 of them available.

He may have given me a different unit than in those photos, because the flashing toward the bottom of the glass envelope - above the Base - is all Silver, with an even height/intensity, all around the tube circumference, different than the tube in the photos.

The tube in the photo has that brown tinged flashing on the front side in the photo, and shows a completely clear area on the back right - you can see the door/floor through the tube right at the top of the black base - where flashing would be on the tube he sent me.

I'll photograph it a some point and post it, but for now it is already in the TA-26, making sweet music...

Update: This Military Specification JAN (Joint Army Navy) RCA 6AS7G sounds clearer and more detailed than the "commercial" "Red Box" RCA 6AS7G...

These are extremely rare. I am not vouching for the seller OR the tube itself, just posting in case anyone is interested.

https://www.ebay.com/itm/203823301668?hash=item2f74d0c424:g:CwsAAOSwWyph~rbV

FYI, that auction house huntandpeckauctions has listed a bunch of 5998 tubes, and other nice tubes/hardware.
https://www.ebay.com/sch/i.html?ico...dpeckauctions&_oac=1&_nkw=5998&_dmd=1&_sop=16
https://www.ebay.com/sch/m.html?_nkw=&_armrs=1&_ipg=&_from=&_ssn=huntandpeckauctions&_sop=10

 

[bcowen]

FYI, that auction house huntandpeckauctions has listed a bunch of 5998 tubes, and other nice tubes/hardware.
https://www.ebay.com/sch/i.html?ico...dpeckauctions&_oac=1&_nkw=5998&_dmd=1&_sop=16
https://www.ebay.com/sch/m.html?_nkw=&_armrs=1&_ipg=&_from=&_ssn=huntandpeckauctions&_sop=10

Yes, they do have some very nice tubes listed. All priced at 2x - 5x the going market, but still nice tubes.

Here you can get a choice pair of untested $3 Chinese tubes (with no return privileges) for the low, low price of $50 plus overcharged shipping:
https://www.ebay.com/itm/255380266649?hash=item3b75d99e99:g:GUYAAOSwJAhiBYTE

Or these for only $350 the pair. For someone that likes the way they sound (which doesn't include me) they can be easily had for less than $150/pair:
https://www.ebay.com/itm/255379817101?hash=item3b75d2c28d:g:Uo8AAOSwSbdiBSuB



Meanwhile, since nobody showed any love for this lonely Tung Sol 6520, I made an offer to the seller and he accepted. I really tried not to hoard, but my cries for help went unheeded by all you guys.

https://www.ebay.com/itm/203823301668?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

 

[exchez]

Yes, they do have some very nice tubes listed. All priced at 2x - 5x the going market, but still nice tubes.

Here you can get a choice pair of untested $3 Chinese tubes (with no return privileges) for the low, low price of $50 plus overcharged shipping:
https://www.ebay.com/itm/255380266649?hash=item3b75d99e99:g:GUYAAOSwJAhiBYTE

Or these for only $350 the pair. For someone that likes the way they sound (which doesn't include me) they can be easily had for less than $150/pair:
https://www.ebay.com/itm/255379817101?hash=item3b75d2c28d:g:Uo8AAOSwSbdiBSuB



Meanwhile, since nobody showed any love for this lonely Tung Sol 6520, I made an offer to the seller and he accepted. I really tried not to hoard, but my cries for help went unheeded by all you guys.

https://www.ebay.com/itm/203823301668?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

I was intrigued by the 6520, but not having had a pair to listen to, it makes it hard know it's worth buying a single and waiting for another.

 

[bcowen]

I was intrigued by the 6520, but not having had a pair to listen to, it makes it hard know it's worth buying a single and waiting for another.

I only need one for my amp which makes things much easier. I've always been curious to hear what they sound like.

 

[maxpudding]

Yes, they do have some very nice tubes listed. All priced at 2x - 5x the going market, but still nice tubes.

Here you can get a choice pair of untested $3 Chinese tubes (with no return privileges) for the low, low price of $50 plus overcharged shipping:
https://www.ebay.com/itm/255380266649?hash=item3b75d99e99:g:GUYAAOSwJAhiBYTE

Or these for only $350 the pair. For someone that likes the way they sound (which doesn't include me) they can be easily had for less than $150/pair:
https://www.ebay.com/itm/255379817101?hash=item3b75d2c28d:g:Uo8AAOSwSbdiBSuB



Meanwhile, since nobody showed any love for this lonely Tung Sol 6520, I made an offer to the seller and he accepted. I really tried not to hoard, but my cries for help went unheeded by all you guys.

https://www.ebay.com/itm/203823301668?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

99 bucks? why not lower?

 

[hmscott]

Some strange NIB 421A’s just come up on American eBay. They are 5998’s me thinks.

A pair of Westinghouse 421As, way overpriced at $700/pair, but it is a liquidation sale from an estate, and unlikely to get them tested, but possible. It's gonna be risky - with no returns, but if they really are NIB/New tubes, those are pretty rare

"NOS NIB Pair Western Electric 421A Vacuum Tube #56.
We are selling the lifetime collection of an important audiophile collector in Virginia.

All pieces are in excellent condition unless noted.
ALL PIECES HAVE BEEN INTERNALLY CATALOGUED FOR AUTHENTICITY AND SECURITY IN OUR DATABASE
NO RETURNS ACCEPTED FOR BULBS THAT ARE OUTSIDE OF OUR CATALOGUE.

WE COMBINE SHIP
And we accept best offers"

NOS NIB Pair Western Electric 421A Vacuum Tube #56
https://www.ebay.com/itm/255374646705

If I hadn't burnt through my tube allocation for the month already; if I saw these first, I'd definately work on getting these!

I've been asking dealers for 421A's whenever I get a chance, and looking for these, what a nice score if it works out, at much lower price!

They say they accept offers, I'd offer just under what Sold 421s have gone for recently, and hopefully they'd accept the offer:
https://www.ebay.com/sch/i.html?_fr...421A&_sacat=0&LH_Sold=1&LH_Complete=1&_sop=15

Please keep us in the loop if you go after these.

Update: I found this thread very interesting: Visual evidence Tung-Sol 5998 = Western Electric 421

FYI, that auction house huntandpeckauctions has listed a bunch of 5998 tubes, and other nice tubes/hardware.
https://www.ebay.com/sch/i.html?ico...dpeckauctions&_oac=1&_nkw=5998&_dmd=1&_sop=16
https://www.ebay.com/sch/m.html?_nkw=&_armrs=1&_ipg=&_from=&_ssn=huntandpeckauctions&_sop=10

We are selling the lifetime collection of an important audiophile collector in Virginia. All pieces are in excellent condition unless noted.

==>And we accept best offers<==

That is key with these auction company listings. They rarely know the exact real price / value of items they list, so it's best to see them as a negotiable resource, rather than a price setting standard bearer.

Yes, they do have some very nice tubes listed. All priced at 2x - 5x the going market, but still nice tubes.

Someone (from head-fi.org?) made an offer on the Lot #56 5998 pair of tube the seller offered to me for $500- simply from putting it in my cart - which took less than a day to get the offer from when I put it in my cart, original price $700 - and that $200 price drop suggests he is serious at liquidating those tubes, for a great deal of discount, if someone offers - and sticks with the negotiations until an acceptable price is reached. I think he is actively looking to agree to good prices for those Lots...

NOS NIB Pair Western Electric 421A Vacuum Tube #56
https://www.ebay.com/itm/255374646705

It would be nice to know how much Lot #56 sold for, so we can figure out his ask/sell range. Does anyone know?

 

[bcowen]

99 bucks? why not lower?

'Cause I'm a spendthrift.

 

[bcowen]

That is key with these auction company listings. They rarely know the exact real price / value of items they list, so it's best to see them as a negotiable resource, rather than a price setting standard bearer.

Thank you for the lesson. Knock yourself out.

 

[hmscott]

'Cause I'm a spendthrift.

Thank you for the lesson. Knock yourself out.

I guess I shouldn't tempt you with such awesome deals

I've hunted down and captured more than enough tubes to digest for a while, I've already been tempted by and bought 2 more "must have" tubes past my limit.

Right now I'm listening to this pairing: 1950 JAN RCA 6AS7G + 1957 CBS JAN CHY 5692 and this pairing is "thrilling" to listen to, I'm mesmerized by the sound, I am so happy I stretched my limit to get them.

Without your help I would have ended up with far less thrilling tubes.
Thank you all for your kind help and sharing your expert knowledge.

 

[CaptainFantastic]

Meanwhile, since nobody showed any love for this lonely Tung Sol 6520, I made an offer to the seller and he accepted. I really tried not to hoard, but my cries for help went unheeded by all you guys.

https://www.ebay.com/itm/203823301668?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

Good find and still a decent price for a great tube.

How many 6520s is that in your collection now? Would be interesting to see the differences between them. I stopped at 4 (or is it 3? - not at home to check) and I think there are two types so far.