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[Official] OCN Headphones and Earphones Club - Page 471

post #4701 of 38156
Gah... The 0404 I'd been watching on fleabay is no longer available BIN.... :/
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post #4702 of 38156
Some fun and interesting commentary on the origin of Bendix "Red Bank" tubes:

...

1. Intro
The fact is this: many NOS tubes have developed cult followings, because of the efforts of gurus to hype these tubes into godhood. Usually the tubes in question deserve the good reputation, especially given the poor quality of current Chinese tubes. So, consumers are exhorted to search out Tung-Sol 6550s, and Western Electric 300Bs, and Telefunken smooth-plate ECC83s, and a few other things. This has driven the prices of the things to outrageous levels.

There is a brand of tube that you have not heard of. It was introduced in the early 1950s, and was bought by virtually only one customer: the U.S. military. A few of the tube types this company made were commonly used in the electronics in early ICBM warheads. These tubes were used in missiles because they were the most rugged, overdesigned and extravagant tubes available. Their primary reason for existing was because the U.S. Air Force wanted super-tough tubes for use in missiles and avionics, in a steady supply. To win the Cold War, of course.

The identity of this mystery tube maker is so unexpected that tube "experts" will probably joke about it. But the fact is: these super-tubes were made by an obscure division of Bendix Aviation Corporation. The plant in which they were made was called Bendix Red Bank Division, Eatontown, New Jersey. Thus, they are called Red Bank tubes. Even though they were second-sourced by Tung-Sol and, later, Cetron, the "Red Bank" name sticks to all the special types in this series. You guitarists know what else was made in the Red Bank/Eatontown area.....yes, Danelectro guitars and amps. No doubt the Danelectro engineer knew about the Bendixes, but didn't dare specify such expensive tubes for guitar amps.

You have to look a bit askance at "tube experts" who try to tell you what the "best" tubes are. They are biased in favor of something, often something they themselves have a few hundred of, hidden in a closet. All bets are off when you bring up Red Bank tubes, because they ARE the best ever made- from the standpoint of reliability, consistency and physical toughness. And as far as I know, NOBODY is hoarding Red Bank tubes, certainly not like 300Bs or Tung-Sol 5881s. And please don't wave those cute RCA "Special Red" things at me. Good they may be, but next to Bendix Red Banks they seem like pale imitations.

Red Banks were NEVER used in audio equipment. All of them were originally versions of some commercial prototype, but usually used a nonstandard base pinout. In the advertisement shown here, most of the types available in 1955 are shown. Note the many versions of the 6X5 rectifer, but the few signal or power types. So, no equipment known is wired for them, except possibly some scrapped ballistic-missile assemblies rusting in a junkyard somewhere.

Those few types usable for audio-the 5992 beam tube, 6094 beam tube, 6384 beam tube, 6385 and 6900 dual medium-mu triodes-can be retrofitted to guitar amps and high-end equipment, by rewiring the sockets. I was able to borrow some from John Atwood for the tests below (many thanks, John).


...

Complete article, here:

...

http://www.vacuumtube.com/issue5.htm

    
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post #4703 of 38156
After a small fiasco, my Little-Dot should be operational in about 3 days.
The stock tubes were ran on the EF92 setting and the tubes are now worn. Thanks to David over at Little-Dot, we figured it out [with Prickly Petes help too!]. My custom cable comes in today [LOD to RCA], my HD580's come in Thursday-ish, along with my new stock tubes I picked up and 6C6Q tubes Tyler's being kind enough to send me :]!!!!

Ahhh, the waits gonna kill me. Again.
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post #4704 of 38156
Senn's backordered on both HD600 drivers and HD650 cables. :'(
post #4705 of 38156
Quote:
Originally Posted by Namrac View Post
Senn's backordered on both HD600 drivers and HD650 cables. :'(
Let me see if I can work something out for you.
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post #4706 of 38156
I've got both the Plantronics Gamecom (I love it, great deal) and Creative Fatl1ty (more comfortable, perhaps slightly better sound, but much worse mic and it keeps breaking)

I'm looking at Sennheiser or Denon in the not-so-distant future, though. If I don't blow my audio budget on a set of Z5500s
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post #4707 of 38156
DOES ANYONE KNOW MATTS [Namrac's] ADDRESS!?!?!? PM IT TO ME QUICKLY!
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post #4708 of 38156
Scratch that, taken care of.
post #4709 of 38156
Quote:
Originally Posted by s1rrah View Post
The tube in question is the tube in the middle (the one at far right has the standard Bendix logo on it while the one in the middle features a logo I've never seen before):


He is trying to sell me the tube on the left. He does not know if it is an actual Bendix 6385 tube. I can't decide. It is a good price if it is a Bendix, but he said after he tried them out that the tube on the left sounded somewhat "different."

I might just hold out for a military boxed 6385 even though I might pay a little bit more for it.
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post #4710 of 38156
The Moth is now in Illinois. Should be at my house on Thursday, and at my dorm on Friday. Starting to get antsy .
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