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Author Topic: Tube Picture Guide  (Read 15763 times)

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Offline souper

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Re: Tube Picture Guide
« Reply #45 on: December 14, 2005, 12:45:39 AM »
Quote from: Nick Culbreth on December 14, 2005, 12:23:45 AM
Quote from: Brian Skalinder on December 14, 2005, 12:11:29 AM
Good God, man!!   :o

I like to keep my options open.  :)

Really I don't have a ton of tubes, just a few of each variety I need.  As far as I'm concerned it's easier to roll in different tubes than it is to buy new gear when you get tired of the sound.

You have a lot of tubes, man.  Thanks for sharing the info.
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Offline Nick Culbreth

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Tung-Sol Black Plate 5687
« Reply #46 on: December 16, 2005, 04:59:39 PM »
This Tung-Sol 5687 is the black plate version with an O-shaped getter.  This one is labelled United Electronic.
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Offline Nick Culbreth

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Tung-Sol Bronze Plate 5687
« Reply #47 on: December 16, 2005, 05:02:04 PM »
This Tung-Sol is the bronze plate version with the O-shaped getter.  Unfortunately this label is a bit worn off and can't be seen in the photos.  To my ears this version is a touch warmer sounding than the black plate/O-getter variety.
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Offline Nick Culbreth

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RCA Bronze Plate 5687
« Reply #48 on: January 06, 2006, 05:25:52 PM »
The RCA Bronze Plate 5687 is considered by many to be the warmest sounding tube of the 5687 family and after listening to them in my system I'll agree that they sound much warmer than the Tung-Sols.  This tube has a liquid sounding midrange and fairly punchy bass but the treble is a bit lacking.  At times it can sound a bit hazy and lethargic but overall I think it could be a nice option if you need to add a bit more warmth to your system.
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Offline Nick Culbreth

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Sylvania VT-231
« Reply #49 on: January 06, 2006, 05:34:01 PM »
This tube is an early 6SN7 variety which dates from the early to mid 1940's.  This tube has very extended, natural sounding highs, a very musical sounding midrange and a very well definated soundstage.  The only real downfall of this tube is that it is a little bass shy.
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Offline Nick Culbreth

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Tung-Sol D-Getter 5687
« Reply #50 on: April 04, 2006, 05:22:53 PM »
This tube is similar to the Tung-Sol Black Plate 5687 with the O-Getter but is a touch more refined.  This is probably my favorite tube in entire 5687 family.
« Last Edit: April 04, 2006, 07:56:47 PM by Nick Culbreth »
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Offline Nick Culbreth

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National Union 7n7
« Reply #51 on: April 04, 2006, 05:45:46 PM »
The 7n7 tube variety is a very intersting tube type because it has the exact same specifications as the pricey 6SN7 tube family but has a loctal(pictured below) base instead of the octal base of the 6SN7.  From what I've gathered the US military had problems with the longer wires in octal tubes picking up radio signals and loctal tubes were created to address the problem.  By getting a loctal tube adapter (like the one below) you can use the 7n7 in place of a 6SN7.  The biggest benefit of the 7n7 tube is it's price, you shouldn't have any problems finding quality 7n7 tubes for as little as $10 while top 6SN7 tubes can sell for 10x the price.

This tube was made by National Union sometime between the mid 1940s and 1950 when NU shutdown.  This tube is easily recognized by it's tall bottle and gray glass.  Given the age this tube is pretty rare but they're excellent tubes if you can find them.
 
« Last Edit: April 05, 2006, 07:03:14 PM by Nick Culbreth »
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Offline Nick Culbreth

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Sylvania 7n7 (GT Plates)
« Reply #52 on: April 04, 2006, 05:48:37 PM »
This Sylvania 7n7 has an internal plate structure similar to the Sylvania 6SN7GT and to my ears it sounds very similar the 6SN7GT at a fraction of the cost.
« Last Edit: April 04, 2006, 07:59:04 PM by Nick Culbreth »
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Offline Nick Culbreth

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Sylvania 7n7 (GTA Plates)
« Reply #53 on: April 04, 2006, 05:52:28 PM »
This Sylvania 7n7 shares the same internal structure as the Syvania 6SN7GTA.  This variety is much more common than the others and if you don't specify which type of 7n7 you're looking for you'll probably end up with this one.  It isn't a bad tube but in my system the NU 7n7 and the Sylvania 7n7 with the GT Plates sounded much better.
« Last Edit: April 04, 2006, 08:38:20 PM by Nick Culbreth »
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Offline Nick Culbreth

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Telefunken EM84
« Reply #54 on: April 04, 2006, 08:37:08 PM »
I was given this tube by a friend but haven't had the chance to use this tube in my setup.  It's supposed to be used as a tuning tube.  I found a second pic online of the EM84 in action, looks pretty neat.

You need to click on the second picture to get the full effect.
« Last Edit: April 04, 2006, 09:55:00 PM by Nick Culbreth »
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Offline Nick Culbreth

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GE Five Star 5687
« Reply #55 on: April 04, 2006, 08:40:51 PM »
The GE Five Star 5687 is a pretty decent sounding tube but in my system it lacks the refinement of the Tung-Sols.
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Offline George

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Re: Tube Picture Guide
« Reply #56 on: April 05, 2006, 04:20:50 PM »
+T Nick, thats one time consuming task!

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"Every time I see a group of teenagers gathered around an iphone laughing at some youtube video, I walk up to them, slap the iphone out of their hand, get right up to them nose to nose, and scream at the top of my lungs:

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Offline Nick Culbreth

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Re: Tube Picture Guide
« Reply #57 on: April 05, 2006, 07:14:26 PM »
Quote from: gloco on April 05, 2006, 04:20:50 PM
+T Nick, thats one time consuming task!


I like to keep an up to date photographic catalog and an Excel spreadsheet anyway so it doesn't take much extra effort to post the pictures here as well.  I'm just glad somebody actually reads the thread. :)
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Offline George

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Re: Tube Picture Guide
« Reply #58 on: April 05, 2006, 10:05:02 PM »
Quote from: Nick Culbreth on April 05, 2006, 07:14:26 PM
Quote from: gloco on April 05, 2006, 04:20:50 PM
+T Nick, thats one time consuming task!


I like to keep an up to date photographic catalog and an Excel spreadsheet anyway so it doesn't take much extra effort to post the pictures here as well.  I'm just glad somebody actually reads the thread. :)

Did you post this at head-fi?  They love stuff like this over there, head-fier "Hirsch" apparently has an entire closet filled with tubes.
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SP-CMC-4s (C, H, SC terminated to mini xlr)>Tinybox>Sony M10/Tascam DR-2d
Countryman B3 (Omni, mini xlr)>Tinybox>Sony M10/Tascam DR-2d
Audix 1200 series cable from Chris Church, pair of Audix M1280 card capsules

Listening: Oppo 980HD>Yamaha RXV667>Rega R1's + Rega RS VOX + Rega R5S's

"Every time I see a group of teenagers gathered around an iphone laughing at some youtube video, I walk up to them, slap the iphone out of their hand, get right up to them nose to nose, and scream at the top of my lungs:

TAKE A LOOK

IT'S IN A BOOK

READING FUCKING RAINBOW."

Offline Genghis Cougar Mellen Khan

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Re: Tube Picture Guide
« Reply #59 on: April 05, 2006, 10:12:28 PM »
Quote from: Nick Culbreth on April 05, 2006, 07:14:26 PM
Quote from: gloco on April 05, 2006, 04:20:50 PM
+T Nick, thats one time consuming task!


I like to keep an up to date photographic catalog and an Excel spreadsheet anyway so it doesn't take much extra effort to post the pictures here as well.  I'm just glad somebody actually reads the thread. :)

+

Plain and simple, tubes are sexy...

I like the thread, thanks Nick.
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Quote from: chucky on December 09, 2005, 08:31:29 AM
Maybe a couple of small scratches, but thats because these mics are chick magnets.
Girls always up on Andy tryin to grab these mics, the scratches are from their wedding rings.

CMC641 / DPA4022 / DPA4062>mod MPS6030
V3 / PMD671 / field ready DV-RA1000 / Oade W-mod PMD661 / PCM-M10
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