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Author Topic: Midnight Crack  (Read 1140 times)
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btrancho
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« on: January 14, 2012, 12:56:23 PM »

eBay stepped attenuator, aluminum volume knob to complement the bevel I planed on the edge of the case, Mullard CV4003, and the CBS Hytron 6AS7G I am currently auditioning.  The base is finished with an ebony wood dye and satin wipe-on poly.  The transformer ball bell and blots bolts were blued. Top plate is just rubbed with fine steel wool.

The Speedball goes in as soon as it arrives.




« Last Edit: January 14, 2012, 07:49:15 PM by btrancho » Logged

Bob Trancho
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« Reply #1 on: January 14, 2012, 01:48:48 PM »

Now that is very cool.  Never thought about a black/ebony dyed base.  Much better than paint as you can still see the wood grain.  Not like with a lighter finish where you see the grain through it but a very different look with the black and worth if for the "cool" factor.  I like it.   Did you do the bluing with one of the home gun bluing kits or have it done?
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Desmond G.
btrancho
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« Reply #2 on: January 14, 2012, 03:01:38 PM »

Now that is very cool.  Never thought about a black/ebony dyed base.  Much better than paint as you can still see the wood grain.  Not like with a lighter finish where you see the grain through it but a very different look with the black and worth if for the "cool" factor.  I like it.   Did you do the bluing with one of the home gun bluing kits or have it done?

Dye is a bit tricky as it must be applied in a flood and wiped off quickly to avoid streaks, overlaps, etc but the base is so small that it wasn't a problem.  I recently moved to an apartment and gave up my wood shop, so a water based dye worked better than a petroleum based satin - no odor at all.  You just need to be neat as dye is, well, dye and will color just about anything it come in contact with.  Latex gloves are a must.

The photos don't have the best color temperature accuracy but it did come out looking very much like real ebony, with the grain and color variations showing through - black with subtle brown/red highlights.  I mean to give it a coat or two of wood wax once I take it apart to to the Speedball.  Right now I'm using it too much to want to take it apart.

I used a gun blue at home (Birchwood/Casey).  A good workout of steel wool on the bell and a few treatments of the blue came out very even.  I forgot to do the bolt heads before assembly but some judicious steel wooling and a q-tip application matched up with the bell pretty well.

Bob
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Bob Trancho
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« Reply #3 on: January 14, 2012, 06:59:30 PM »

That really looks nice.  One question, where are the balls and blots on the transformer?  I expect that it a typo.  Bell and Bolts?  I would have sworn they were chromed.  That is gun bluing?  

  .  .  .   The transformer ball and blots were blued.  .  .  .  



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Grainger Morrison,

Mozzie quote: Sacred cows make the best hamburgers!

Remember, YOU are the only one who needs to be happy with the sound of your system.

Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
btrancho
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« Reply #4 on: January 14, 2012, 07:55:47 PM »

That really looks nice.  One question, where are the balls and blots on the transformer?  I expect that it a typo.  Bell and Bolts?  I would have sworn they were chromed.  That is gun bluing?  

  .  .  .   The transformer ball and blots were blued.  .  .  .  


Ha!  That's what I get for trying to type fast while my wife is calling me to dinner!  Thanks Grainger.

Yes, gun bluing.  The light from the window makes it look a bit like chrome but the first photo shows it a little better.
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Bob Trancho
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« Reply #5 on: January 15, 2012, 05:36:28 AM »

I bought some gun bluing to do my Paramour end bells.  So, just hit them with 4/0 steel wool till smooth and blue.  Doc suggests a top clear coat for the Paramours since they will still rust with the bluing on them.
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Grainger Morrison,

Mozzie quote: Sacred cows make the best hamburgers!

Remember, YOU are the only one who needs to be happy with the sound of your system.

Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
btrancho
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« Reply #6 on: January 15, 2012, 07:57:13 AM »

I bought some gun bluing to do my Paramour end bells.  So, just hit them with 4/0 steel wool till smooth and blue.  Doc suggests a top clear coat for the Paramours since they will still rust with the bluing on them.

That's good to know.  I'll do that when I do the Speedball surgery.
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Bob Trancho
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« Reply #7 on: January 15, 2012, 08:15:25 AM »

Great looking amp! I like the little details, such as rounding the corners on the base. I used ebony stain on mine, but it basically ended up black, unlike yours. Probablly due to my superior staining skills. ST bottles just seem to belong in the Crack don't they? Enjoy your amp.

Cheers,
Shawn P.
« Last Edit: January 17, 2012, 08:22:03 AM by Noskipallwd » Logged

Shawn Prigmore
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