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Old 18th December 2010, 11:30 PM   #1
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Default What guitar amp should I build from these?

Hi I'm new here. I want to build a guitar amplifier.
No need for High Power. Just clean and smooth tone.
I have come across a full box of tubes.
I want you "the wise guys" to look at my list and tell me what can I build with these:


EF86 - x25 (SIEMENS)
EF80 - x2 (EI)
EF89 - x1 (PHILIPS MINIWATT)
PCF80- x4 (2x EI USED, 1x TOGRAM UNUSED, 1 MINIWATT UNUSED)
PCC85- x2 (RWN)
ECF82- x3 (TESLA REALY OLD)
ECC91- x1 (SIEMENS MINIWATT)
6H2P - x1 (OTK TESTED)
6N2P-EV - x1 (OTK TESTED)
6J2P-EV - x1 (OTK TESTED)
6N3P - x2 (OTK TESTED)
ECC81- x4 (2x PHILIPS,1x SIEMENS, 1x TUNGSTEN)
ECC82- x7 (5x EI, 1x TELEFUNKEN, 1x UNKNOWN)
ECC83- x5 (2 USED)
PCC88- x2 (1x TELEFUNKEN, 1x MINIWATT)
PCL86- x2 (EI, 1 USED)
UCL82- x3 (2 EI,1 PHILIPS)
150B2- x1 (PHILIPS, MILITARY PACKDE)
PY88 - x2 (1x SIEMENES,1x EI)
DY802- x1 (EI)
EB91 - x1 (MILITARY PACKED)
PCF200 - x1 (EI)
EC92 - x1 (TUNGSTEN)
EL34 - x1 (SIEMENS)
EL84 - x2 (1 EI USED, 1 UNKNOWN looks like siemens)
EL156- x1 (TELEFUNKEN USED)
ECL82- x4 (3 EI UNUSED ,1 SIEMENS USED)
PCL84- x1 (EI)
UABC - x1 (EI)

I know that there is alot and I can't decide, so I'm gonna let you decide.
Thanks.
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Old 19th December 2010, 12:27 AM   #2
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you 'came across' that?! I wish I could be so lucky
Not a lot of power tubes I noticed.
You could do like me, build a Fender Champion-like amp with it, that would take a ecc83 and a el84.
You have some ef86's, I'm also thinking Vox ac15.

Just a few suggestions, there's so much choice..
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Old 19th December 2010, 01:06 AM   #3
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I don't like Feneder . Vox is beater choice. Thanx for advice Miniwatt (Philips?)

I have some questions about these tubes

EL34 has label on it and it says "v8"
Does it means anything?
Here is pic:
http://i54.tinypic.com/dza5if.jpg


The printings on these tubesa are gone. How can I determine what it is:
(triode/pentode inside with metal screen, 9 pin)
http://i53.tinypic.com/2e3anhf.jpg

This also loosed shes printings:
Pentode, Mesh plate
http://i51.tinypic.com/2lvcz5s.jpg

So if anyone knows anything just say
Don't be afraid, I only kill when I'm bored
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Old 19th December 2010, 01:17 AM   #4
Gilgy is offline Gilgy  United Kingdom
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EF86 and EL84 just screams "clean and smooth guitar tone" to me. Although the obvious cop-out would be ECC83 and EL34.

Dunno, I always fancied knocking up a guitar amp based on ECL82 but never got round to it.
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Old 19th December 2010, 01:36 AM   #5
TheGimp is online now TheGimp  United States
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EF86 input then tone and volume. Follow with ECC83 , then ECC83 PI and EL84 PP output.

Or send me the EF86s and I'll send you a complete schematic.
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Old 19th December 2010, 02:43 AM   #6
taj is offline taj
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Yeah, you should find tons of guitar amp schematics that use just ECC83 (12AX7), ECC82 (12AU7) and EL84 (6BQ5). Google is your friend.

The EF86's are more commonly used for hi-fi input sections, and therefore they will be of no use to you whatsoever, so you may as well send them to me. Seriously, I do have some 5U4 rectifier tubes (and a bunch of others) to trade if you if you want to.

..Todd

Last edited by taj; 19th December 2010 at 02:46 AM.
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Old 19th December 2010, 08:45 AM   #7
el156 is offline el156  Portugal
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I have a AC30 output transformer (original) that i can swap with you for the the EL156 and 4 EF86 .
Silvino
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Old 19th December 2010, 09:20 AM   #8
taj is offline taj
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Quote:
Originally Posted by infernal View Post
EL34 has label on it and it says "v8"
Does it means anything?
Nothing useful; The tube sockets will sometimes be labeled like that on the chassis (V1 through V-whatever) Someone probably labeled that tube like that before removing it, to make sure it went back into the same socket.

Quote:
The printings on these tubesa are gone. How can I determine what it is:
You can only guess, and that's usually not a good idea.


Quote:
Don't be afraid, I only kill when I'm bored
Working with tubes will slowly convert you from being homicidal to being suicidal due to the localized nature of the lethal voltages. It's just a matter of convenience and lack of portability. Having said that, there have been recent innovations such as the "insert tongue here" socket, which help to retain and support one's homicidal tendencies. In the past, homicidal DIY'ers have had to rely on not using protective covers, and that usually only results in occasional minor injuries.

..Todd

Last edited by taj; 19th December 2010 at 09:45 AM.
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Old 19th December 2010, 11:19 AM   #9
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@taj:
I would not agree that there is no place for EF86 in the guitar amplifiers.
Lets say that VOX AC15-H(hand wired)
has: 1 x EF86, 3 x ECC83/12AX7, 2 x EL84, and 1 x EZ81.
And it sounds awesome.

@el156: Telefunken EL156 is used, and EF86 weren't: http://i51.tinypic.com/260a592.jpg
I live in Bosnia. The exchange would be hard but we can try
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Old 19th December 2010, 01:38 PM   #10
el156 is offline el156  Portugal
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Quote:
Originally Posted by infernal View Post
@taj:
I would not agree that there is no place for EF86 in the guitar amplifiers.
Lets say that VOX AC15-H(hand wired)
has: 1 x EF86, 3 x ECC83/12AX7, 2 x EL84, and 1 x EZ81.
And it sounds awesome.

@el156: Telefunken EL156 is used, and EF86 weren't: http://i51.tinypic.com/260a592.jpg
I live in Bosnia. The exchange would be hard but we can try
No problem, i can send you the transformer,as far as i dont have use to it ,i play only with HIFI ,and yuo can make a nice guitar amp with it !
My email is silvino_ramos@hotmail.com ,so if you are interested send me your adress and i will send the OPT ,and then you can send me the tubes.
Silvino
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