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10-30-2012, 05:49 PM
|  | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Quote:
Originally Posted by eyeballkid  how is that "a fly"? its kinda what I expected from what I've read. a bigger, punchier tone with smoother, more controllable breakup than the pre with 12ax7 s.... sounds awesome... and go ahead and put me on that list!...i'm sure by the time you make some I'll have the funds.. scary black boxes are cool too! | Its not really.... it just sort of puts things into perspective - tubes can and do make a difference, but in the end, good circuit design is king! |
10-30-2012, 06:29 PM
| | Registered User | | Join Date: Jul 2008 Location: Jax FL USA | | | I'm super cereal... No labels and those big fat knobs would be way cool IMO. Though later I might put some little stickers on there under each knob and switch [thinking action heroes like: The Hulk, Boba Fett, Hello Kitty, Tinker Bell... that kind of stuff]. |
11-01-2012, 04:24 PM
|  | Registered User | | Join Date: Oct 2000 Location: San Francisco, CA | | | |
11-01-2012, 06:40 PM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Quote: |
Originally Posted by jasonbraatz | Very cool, thanks for the link! I'd love to try and work something like this into a design!
Last edited by JGR : 11-01-2012 at 06:45 PM.
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11-01-2012, 07:43 PM
| | Registered User | | Join Date: Feb 2009 Location: Germany | | | Also have a look at coldamp, JGR |
11-01-2012, 08:14 PM
| | Registered User | | Join Date: Oct 2000 Location: San Francisco, CA | | Quote:
Originally Posted by JGR Very cool, thanks for the link! I'd love to try and work something like this into a design! | I'd love that too.  |
11-01-2012, 08:28 PM
| | Registered User | | Join Date: Apr 2012 Location: Arizona | | | I just watched the video on page 1... WOW DUDE!!! So cool! You should be proud! Very cool!
...watched the other two videos now too. I really dig the sound. Nice job!
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Squier-Eden-SWR
Last edited by shaginwagin : 11-01-2012 at 08:46 PM.
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11-03-2012, 03:22 PM
| | Registered User | | Join Date: Oct 2012 Location: france | | | 6SL7 its the best choice for bass amp
for my studio i use bridged class A HYRAGA KT90 30Watts
1rst 6SL7 in phase splitter voltage amplifier next two 6SL7 SRPP
to drive two KT90 in class A BTL bridged.
plenty of deep room and details, even driving one hard speacker like eminence definimax 4012HQ in semitobbogan box.
sorry for my bad english, italian in france... |
11-03-2012, 04:31 PM
|  | Registered User | | Join Date: Sep 2003 Location: Lakewood Colorado | | | Wow nice work! Sounds great
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Jon Bassman
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11-03-2012, 07:38 PM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | | I popped in a NOS 1957 RCA today in the second position; only had a couple of minutes to check it out but it sounds great with the red base RCA in the first spot. The NOS glass seems to have more character than the reissue stuff. |
11-03-2012, 07:41 PM
| | Registered User | | Join Date: Jul 2008 Location: Jax FL USA | | | Oh my... |
11-12-2012, 02:51 PM
| | Registered User | | Join Date: Apr 2004 Location: Spijkenisse, The Netherlands | | | Wow man. That's a really really nicely sounding and designed preamp.
JGR, you really inspire me.
I'm in the research and learning stage for a similar tube preamp design, for a graduation project. Have some ideas I would like to do.
Most defenitly a 6sl7 design, so this really gives me a kick!
Any tips for my beginning journey, JGR?
Last edited by djowel : 11-12-2012 at 03:02 PM.
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11-13-2012, 04:56 AM
| | Registered User | | Join Date: Oct 2012 Location: france | | just whit a crybaby whawha insert in fixed intermediate position i get a beautyfull soustain and a deep smooth sound, two preamplifier tubes in the same matisse reference configurations (5HZ perfect square wawe), insert crybaby beetween the tubes preamplifier.
see schematics: 
for low impedance amp (transistors) a 6SN7 catode follower its raccomanded for output. 
audiophile stereo preamplifier: https://picasaweb.google.com/1180125...eat=directlink https://picasaweb.google.com/1180125...eat=directlink
Last edited by claudiomas : 11-13-2012 at 04:59 AM.
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11-13-2012, 07:20 AM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Quote:
Originally Posted by djowel Wow man. That's a really really nicely sounding and designed preamp.
JGR, you really inspire me.
I'm in the research and learning stage for a similar tube preamp design, for a graduation project. Have some ideas I would like to do.
Most defenitly a 6sl7 design, so this really gives me a kick!
Any tips for my beginning journey, JGR? | Thanks djowel. I would start by reading as much as you can -Merlin's books are very good, as are the TUT series - just buy them in order as you can afford them. All of them are available from tubesandmore.com. There are a lot of affordable kits/project type of amps available these days, so I would get one of them, get it working, and then hack it to death trying different things so that you can start to develop a feel for what is going on. |
11-13-2012, 03:39 PM
| | Registered User | | Join Date: Oct 2012 Location: france | | Quote:
Originally Posted by JGR Its not really.... it just sort of puts things into perspective - tubes can and do make a difference, but in the end, good circuit design is king! | hi!
can you share your circuit design of this beautyfull tube preamplifier ?
thanks
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claudiomas
overbiased |
11-13-2012, 05:36 PM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Quote:
Originally Posted by claudiomas hi!
can you share your circuit design of this beautyfull tube preamplifier ?
thanks
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claudiomas
overbiased | Nope, sorry.  |
11-13-2012, 05:37 PM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Just got initial proof for new faceplate.  |
11-13-2012, 05:49 PM
|  | All bass, no talent!
Me endorsed? | | Join Date: Feb 2007 Location: Toronto, Ontario, Canada | | | Cool! Can't wait to hear this.
Nothing wrong with multiple preamps IMO!
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Fodera l Fender
Jule Monique l Bergantino
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11-13-2012, 06:06 PM
| | The "G" is for Gustav | | Join Date: Jun 2006 Location: Maryland | | Quote: |
Originally Posted by Baird6869 Cool! Can't wait to hear this.
Nothing wrong with multiple preamps IMO! | There are some clips on my YouTube page if you are interested. |
11-14-2012, 05:38 AM
|  | death to long live love and hate forever
Records of Existence/PyrE owner | | Join Date: Jul 2009 Location: wes virginny | | | WOWZA!
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24 ov 25. We are Mothman.
Last edited by eyeballkid : 11-14-2012 at 06:44 AM.
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