Tube Rolling w/Crack

Dr. Toobz · 753365

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Offline Wizzie

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Reply #1260 on: October 12, 2015, 09:22:34 AM
Hi

Just want to know has anyone used a 6f8g via an adaptor on their  BHC+SB

And what is your impression on the 6f8g
« Last Edit: October 12, 2015, 09:24:06 AM by Wizzie »


Offline Rhok

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Reply #1261 on: October 17, 2015, 09:10:48 PM
Hello all,

Any recommendations for some tubes that sound great with a heavy glow?

Crack without Speedball (might get it in the future though).

Thanks,


Offline i luvmusic 2

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Reply #1262 on: October 18, 2015, 05:48:20 AM
One of these should give you plenty of GLOW i don't know about the sound though. ;D
(https://www.head-fi.org/image/id/7892989/width/900/height/900/flags/LL)


Just Kidding.P:)


Offline Natural Sound

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Reply #1263 on: October 18, 2015, 05:50:01 AM
You might want to be a little more specific. What kind of amp do you have? The first thing that came to mind when you asked the question is "mesh plates." Mesh plates allow you to see the filament inside the tube much better. I know they make 2A3's with mesh plate. So if you have a Stereomour, Paramount or similar you could try that.


Offline Strikkflypilot

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Reply #1264 on: October 18, 2015, 07:09:03 AM
Looks like he's got crack without speedball.
6080s and 12AU7s is what he's got.

Home system:
Sources: Ibasso DX90, Google Chromecast Audio optical out
DAC: Schiit Gumby
Amp: Bottlehead Mainline
http://bottlehead.com/smf/index.php?topic=7463.0
Phones: HD800S

Office:
Sources: Iphone/ Ipod
DAC: Dragonfly Red+Jtrbug
Amp: Crack/Speedball heavily modded
Phones: HD580,HD600 grilles

Offline Natural Sound

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Reply #1265 on: October 18, 2015, 10:32:54 AM
Quote from: Strikkflypilot on October 18, 2015, 07:09:03 AM
Looks like he's got crack without speedball.
6080s and 12AU7s is what he's got.

I guess I should have caught that. Being the Crack tube rolling thread and all.  :-[


Offline Rhok

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Reply #1266 on: October 18, 2015, 08:05:52 PM
Quote from: Natural Sound on October 18, 2015, 10:32:54 AM
I guess I should have caught that. Being the Crack tube rolling thread and all.  :-[

That would be correct, sorry for not including that in my original post.


Offline Rocketman248

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Reply #1267 on: October 23, 2015, 06:39:12 PM
Need a little help identifying a tube.  I was in the first batch of Crack-A-Two-A shipments, and Doc was kind enough to include NOS European tubes with those original orders.  I'm having a little trouble figuring out just what I got.  The writing on it is all but wiped out, but I think I can make out Made In Holland, but I can't be sure.  There's also a date code that doesn't seem to follow the typical Euro tubes date code convention.  It's only 3 digits, a triangle followed by 8L.  It has narrow, ribbed plates, and a D-shaped getter with a small foil strip.

Any ideas what I'm looking at here?  FWIW, it sounds great. :)

Nick DeBrita
Yokosuka, Japan

Offline craigtone

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Reply #1268 on: October 24, 2015, 03:48:11 AM
Wanted to add my tube rolling experiences from yesterday ... My build is Crack + Speedball with Alps Blue Velvet pot and Obbligato 70uF Oil Film coupling cap upgrades.  Headphones are DT770 250 ohm.

Driver:
Unbranded Chinese 12AU7 - Harsh & cold, worst of the bunch!
EH 12AU7 - Dark & lacking detail
JAN 5963 (came with) - Not bad but also not the best, good middle road tube
RCA Clear Top - Treble bright & lacking bass
Philco 12BH7 - This is the third best tube heard ... ~ equal to Mullard
Brimar (Mullard) 13D5 - Second best, lots of detail, good bass extension, best midrange of all tested
Telefunken 12AU7 - The best of the bunch!  Very balanced across freq curve, excellent detail and good bass extension

As for the 6080:
Raytheon 6080WC (came with) - Not bad, again, middle road tube
Mullard 6080 - WOW!  The depth and richness of the sound is incredible.  It was like a veil was lifted.  The bass is much better and deeper/tighter.  Detail is incredible!  You can hear sticks hitting percussion and fingers on strings.

The verdict for me is Telefunken 12AU7 driver and Mullard 6080 ... enjoy the tube pr0n pic:


Offline Paul Birkeland

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Reply #1269 on: October 24, 2015, 07:31:46 AM
Quote from: Rocketman248 on October 23, 2015, 06:39:12 PM
Need a little help identifying a tube.  I was in the first batch of Crack-A-Two-A shipments, and Doc was kind enough to include NOS European tubes with those original orders.  I'm having a little trouble figuring out just what I got.  The writing on it is all but wiped out, but I think I can make out Made In Holland, but I can't be sure.  There's also a date code that doesn't seem to follow the typical Euro tubes date code convention.  It's only 3 digits, a triangle followed by 8L.  It has narrow, ribbed plates, and a D-shaped getter with a small foil strip.

Any ideas what I'm looking at here?  FWIW, it sounds great. :)
What does the writing on the white box it came in say?

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Rocketman248

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Reply #1270 on: October 24, 2015, 12:29:03 PM
There wasn't any writing on the box.

Nick DeBrita
Yokosuka, Japan

Offline Paul Birkeland

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Reply #1271 on: October 24, 2015, 12:32:26 PM
Quote from: Rocketman248 on October 24, 2015, 12:29:03 PM
There wasn't any writing on the box.
Ah, I must have missed that one.  The tube in the photo is an Amperex Holland 12AU7, a very good tube indeed!

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Rocketman248

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Reply #1272 on: October 24, 2015, 06:58:11 PM
Awesome, thanks!  I'm loving the hell out of the Crack-A-Two-A with my HD-800s.  Eventually I'll start rolling tubes and caps in it, but I'm quite satisfied for now.  :)

Nick DeBrita
Yokosuka, Japan

Offline Chris65

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Reply #1273 on: October 25, 2015, 12:24:34 AM
Quote from: Caucasian Blackplate on October 24, 2015, 12:32:26 PM
The tube in the photo is an Amperex Holland 12AU7, a very good tube indeed!
Doesn't the 'delta' (triangle) code indicate a Philips Copenhagen made tube?


Offline soundfanz

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Reply #1274 on: October 25, 2015, 01:22:12 AM
Quote from: Chris65 on October 25, 2015, 12:24:34 AM
Doesn't the 'delta' (triangle) code indicate a Philips Copenhagen made tube?

I thought it indicated a dutch made tube?
The below link might help.

http://www.tube-classics.de/TC/Tubes/Valvo%20ECC82/ECC82.htm


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