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Cary Audio Design Superior Quality and Value

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  #4921  
Old 09-10-2018, 07:12 PM
Bombadil Bombadil is online now
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I've had good luck on tube prices over the years. I patiently wait for bargains. Two batches of free tubes. Picked up sixteen Amperex JAN/CSN 6922s & 7308s for $7 each, NIB. I don't know how many EL84, 6V6, 6SL7, 12AU7, 12AT7, 12AX7, and various rectifiers I have found in used bins for $4-$10 each, mostly around $5. Nearly all of them tested good and were low noise. Was able to find six Sylvania 6CA7 "Fat Boys" in very good condition for $30 each. Even in the past year I found two factory matched KT120s which had about 20 hours on them for $30 each. And new, matched KT150s for $58 each. Got 8 old 27 & 56 tubes for $1 each at a hamfest last year.

I purchased a Conrad-Johnson preamp at a very good price almost 20 years ago and the guy threw in two extra sets of vintage Mullard CV tubes. Those two sets of Mullard CV4004 & CV4003 would go for several hundred bucks now.

I've rarely paid over 2/3rds of typical retail price, used or new, for a tube. Usually well below that.

In order to gather good karma, after I had picked over all of these tubes but still left some okay usable tubes in the box, I gave away my extra box of nearly 80 tubes a couple of years ago. There were a couple of old metal 6L6s, a few 6F6, some well used 12AX7, a number of tubes usable in old tube radios like 6BE6 and 6AQ5, in there. Thought someone might make use of them.

Last edited by Bombadil; 09-10-2018 at 07:19 PM.
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  #4922  
Old 09-12-2018, 03:58 PM
FloridaBoy FloridaBoy is online now
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Good luck to the North Carolina folks. Hope all goes well.
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  #4923  
Old 09-12-2018, 06:02 PM
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BearCityUSA BearCityUSA is online now
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We are DOOMED!!

According to the forecasters.
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  #4924  
Old 09-13-2018, 06:50 AM
FloridaBoy FloridaBoy is online now
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Asheville should be OK.
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  #4925  
Old 09-13-2018, 07:36 AM
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Thanks FB. I make light as my brother on Oak Island is looking at rain measured in feet. Hoping for the best for all.
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  #4926  
Old 09-13-2018, 08:30 AM
FloridaBoy FloridaBoy is online now
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I hope he isn't staying there. You can deal with the wind but surge is deadly.
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  #4927  
Old 09-13-2018, 08:46 AM
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Quote:
Originally Posted by FloridaBoy View Post
Asheville should be OK.
Yes it should be...some rain and wind but nothing major
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  #4928  
Old 09-15-2018, 01:46 AM
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Does anyone know anything about this build? Why the extra driver tubes? Or are they part of a robust power supply?

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  #4929  
Old 09-15-2018, 07:06 AM
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Quote:
Originally Posted by Simonatsea View Post
Does anyone know anything about this build? Why the extra driver tubes? Or are they part of a robust power supply?



That is a PSE (pentode) gen 2 with 3 gas regulators for voltage regulation. Less noise from the ps circuit and the look really cool.
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  #4930  
Old 09-15-2018, 10:12 AM
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That is the first production PSE with gas regulation.
It uses three VR75/0A3's as regulators.
I have been listening to my proto with metal 6L6's and 6F6's...

[IMG][/IMG]
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