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Thread: Supercharging a V8

Started 1 year, 11 months ago by SLEEPER 86
Quote: Originally Posted by gnoj_LL ey guys! jUst a quick question to all of you. is there a big difference form the plaomino V8's that are made in the US compared to the vietnam ones? i am also very interested in this, has anyone had a chance to back to back the older vs. newer ones? great post! Eric B
Site: Harmony Central Musician Community Forums  Harmony Central Musician Community Forums - site profile
Forum: DIY (Do It Yourself)  DIY (Do It Yourself) - forum profile
Total authors: 18 authors
Total thread posts: 135 posts
Thread activity: no new posts during last week
Domain info for: harmony-central.com

Other posts in this thread:

gnoj_LL replied 2 years, 2 months ago
ey guys! jUst a quick question to all of you. is there a big difference form the plaomino V8's that are made in the US compared to the vietnam ones?

jrockbridge replied 1 year, 11 months ago
Great thread!

SLEEPER 86 replied 1 year, 11 months ago
anyone know if the op amp in the v16 is the same as the v8?

Verne Andru replied 1 year, 7 months ago
I've added the following notations to the first few posts, but thought I'd copy them here for those following the thread. Update: 0 - When I did the Opamp swap, I used a cheap chip socket. Under use, the chip has a tendency to wiggle around and not make proper contact, audible by an annoying hum. Use of a high-quality socket or, even better, soldering the chip to the board/old chip ...

Verne Andru replied 1 year, 7 months ago
I've added the following notations to the first few posts, but thought I'd copy them here for those following the thread. Update: 0 - When I did the Opamp swap, I used a cheap chip socket. Under use, the chip has a tendency to wiggle around and not make proper contact, audible by an annoying hum. Use of a high-quality socket or, even better, soldering the chip to the board/old ...

Oblivionaut replied 1 year, 6 months ago
sorry to bring back such an old thread but i have a question... I have a Palomino V8 would actually like to remove the tone control completely. I have been using the amp by pluggin directly in to the line out wqith a stereo plug, bypassing boththe preamp as well as the tone control and it sounds killer. But it also only runs at full volume, so i would like to use the preamp minus the tone ...

dcindc replied 1 year, 6 months ago
Lift one end of C12 and the wiper of P2. That should do it.

Matter-Eater Lad replied 1 year, 5 months ago
What about speaker change? I have the V58 w/ 8" speaker & man it is bright. I just noticed an 8" Jensen MOD 8-20 is only $14 (+$9 ship.) from tubedepot.com, anybody know about these speakers?

Verne Andru replied 1 year, 1 month ago
Another quick tweak. I've been contemplating tone stacks and it appears the V8 is very similar to the Marshall 18 watt [ http://amps.zugster.net/articles/tone-stacks#18Wat t] . The resistor values on the V8 are higher - I'm assuming that's to cut the signal strength to allow for the effects loop, which the Marshall doesn't have. The V8 also has a .0022 uF 100v capacitor [C12] the Marshall ...

dcindc replied 1 year, 1 month ago
Quote: Originally Posted by dcindc Lift one end of C12 and the wiper of P2. That should do it. I know it's not the same, but I found it funny. That's a unique tone control circuit. I was gona say that I've had good luck snipping bright caps in a lot of SS newer amps, but that's not really a ...

 

Top contributing authors

Name
Posts
Verne Andru
57
user's latest post:
Supercharging a V8 - Page 9 -...
Published (2009-12-05 13:24:00)
Quote: Originally Posted by Preacher When I tell people of these mods I'm calling them the "Verne Andru mods" - unless you prefer something else. That works as well as anything. Glad you're finding them to be of value.
gnolivos
34
user's latest post:
Supercharging a V8 - Page 9 -...
Published (2009-12-02 20:26:00)
What the hell is this spammer? That line is my quote from earlier post... crazy... Quote: Originally Posted by dsafhsdas The toggle switch on Marshall heads like the JTM45 are actually ON in the Down position, just like I set it here. Matter of fact, you cannot easily rotate the switch anyway, because it is notched for a single orientation! Lucky me, huh?
dcindc
8
user's latest post:
Supercharging a V8 - Page 8 -...
Published (2009-11-29 12:51:00)
If had to unplug anything during disassembly, check those. Check everything you touched. But it's likely a bad joint. Are these thru plated or double sided boards?
SciHi
7
user's latest post:
Supercharging a V8 - Page 8 -...
Published (2009-11-29 21:11:00)
Quote: Originally Posted by Verne Andru ...I have not tried them, but for the price I'm ordering 2 and will take my chances. We were thinking about the 4 for $50 deal but when Rock Mumbles contacted the seller he said they were real early breakup speakers, maybe more suited for harp. So we didn't order any, but I would love to hear how they work for you, they may be just what you need for a low volume, bedroom tube amp.
Preacher
7
user's latest post:
Supercharging a V8 - Page 9 -...
Published (2009-12-05 13:09:00)
So Verne, now that you've documented everything on a schematic I think the mods should get their own name. When I tell people of these mods I'm calling them the "Verne Andru mods" - unless you prefer something else.
Matter-Eater Lad
4
user's latest post:
Supercharging a V8 - Page 5 -...
Published (2009-10-29 10:29:00)
Shouldn't the electronics be shielded? You ask what I want to accomlish. I just assumed electronics should be enclosed in metal, like the Marshall example I gave or a guitar cavity. If it's not needed, I won't do it.
datru
3
user's latest post:
Supercharging a V8 - Page 3 -...
Published (2009-01-25 19:09:00)
Quote: Originally Posted by Verne Andru Next, I'm going to add a spring reverb to it. Looking forward to that!
John Watt
3
user's latest post:
Supercharging a V8 - Page 5 -...
Published (2009-10-28 21:58:00)
Verne Andru! You're apologizing to me about raunching out on me. Why? I said the graphics are beautiful also. It was you getting into your playing I was referring to, and you were using distorted tones. After the almost electronic treatise you've been posting here, it was surprising to hear you get a little nasty. I'm definitely going to try your stereo wall volume regulator suggestion. You just mentioned the Peavey power soak,...
gnoj_LL
2
user's latest post:
Supercharging a V8 - Page 4 -...
Published (2009-02-21 01:28:42)
great stuff dude, thanks for posting this! i have the palomino v8 myself stock. good job! the clean tone of your modded v8 was very tasteful. wish my v8 can do that
SLEEPER 86
2
user's latest post:
Supercharging a V8
Published (2008-01-08 15:10:00)
anyone know if the op amp in the v16 is the same as the v8?

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