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Posted: Thu Sep 05, 2013 10:39 pm
by Voodoo Guru
Howdy ECC82,

Gotta love that Tube Porn!!! :twisted:

Let us know how you like the sound of the 5751 Command Series Tube compared to the other tubage you have rolled in your gear.

Take Care,

Posted: Sun Sep 08, 2013 12:53 am
by ECC82

Yes, looks good doesn't it?

Set up at the moment is:
SoundProjects T3 tube microphone, changed the mic element and the tube from factory tube to a ECC83 Telefunken smooth plate.
EQ TL-Audio Ivory 5013
Bellari RP 520
Bellari RP583
Bellari RP 582
All the tubes in the four items above were changed to 5751 (not every tube is a RCA Command though), OpAmps in Bellari’s were also changed, according modifications on this website.
Behringer EX 3200
TC Electronics Triple C, caps and OpAmps modified according instructions on WZ5Q.
Audio goes into the back of the modified TS870.

Received some MP3 sound clips, made from my transmission, from a UK station and must say: it sounded even better than I had expected. UK station was also into ESSB and could definitely hear "the bottles" in the audio.

Still on the wish list is an RP 533, Bellari's are very rare here in Europe. There is a German website that sells the 533, (now hold firmly on to your chair) price in US dollars is $.1,260 :roll: ... 005095-000

I like the RP 533 a lot, but not THAT much :wink:

Posted: Sun Dec 28, 2014 4:09 pm
by PD9CN
I like to upgrade me Aphex-230 tube from the standard Chinese tube.

Now is the 5751 Command 12AT7 very difficult to find.

Is ther lot of sound different between the 5751 and.


Posted: Tue Dec 30, 2014 1:38 am
by PD9CN
Hello Essb Group,

I did make choices for new tube in me Aphex-230.

GE 5* Star Grey Plate Tripple Mica tube 12AT7 NOS :idea:

Posted: Wed Dec 31, 2014 11:05 am
by ECC82
A nice video on YouTube, testing the 12AX7 tube, amazing difference in some brands.
(Warning: after watching this video you probably won't enjoy a certain Gary Moore track any longer :wink: )[/url]

Posted: Thu Jan 01, 2015 3:48 am
by PD9CN
Nice YouTube film and lot of different sounds coulers al this different tube's demonstrate.

I am waiting on me GE 5*Star Grey Plate Tripple Mica I did buy.
And I am very curries what this will improve the Aphex-230 in sound couler.

Happy new year for evry one.

Posted: Tue Jan 06, 2015 11:41 am
by PD9CN
What is the different between Triple mica and Dual mica :idea: :?:

Posted: Fri Jan 09, 2015 11:18 pm
by ECC82
It has to do with "microphonics"
Triple mica means that the tube has an extra support plate of mica inside the tube and this helps to prevent microphonics (noise).

Here is a nice video on that subject.

If you google in youtube or the internet you will find more video's on the subject of tubes.

(This video is very nice/instructional as well)