Dark Terror. Convert from 110 to 220 volts. How?!

Orange Amps Technical Q&A's

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rizeepalevo
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Dark Terror. Convert from 110 to 220 volts. How?!

Post by rizeepalevo » Tue Aug 16, 2011 6:50 pm

Hi.

I want to buy Dark Terror on eBay, but in my contry voltage is 220. How to convert 110 volts to 220?

I find how make Tiny Terror to 220 volts.
http://s51.radikal.ru/i132/0912/02/47e01e42cb99.jpg" onclick="window.open(this.href);return false;
http://s08.radikal.ru/i181/0912/9d/9c193b9e5f6e.jpg" onclick="window.open(this.href);return false;

If I do the same thing with Dark Terror, then will it work with 220 volts?
Waiting my Orange Dark Terror :D

bclaire
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by bclaire » Tue Aug 16, 2011 6:54 pm

Yikes. I wouldn't let two pictures on the internet convince me to try this. If I were you, I'd get a UK one that IS 220V or have an amp tech do this for you....

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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by sizzlingbadger » Tue Aug 16, 2011 7:03 pm

The change is very simple but if you get it wrong you could have no amp left. A tech would do it in about 10 mins so it would be cheap to get done professionally and if they break it they are liable :)

rizeepalevo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rizeepalevo » Tue Aug 16, 2011 7:20 pm

We have no techs to repair tube amps :( Russia... what more can I say.

Buy in England... hm, there are no england amps on eBay, and no shipping in england stores to my country.

About pictures. It works. Guys write on city's forum, and I belive them in 100%, but its for Tiny Terror...
Waiting my Orange Dark Terror :D

Sooner
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by Sooner » Tue Aug 16, 2011 8:59 pm

rizeepalevo wrote:Hi.

I want to buy Dark Terror on eBay, but in my contry voltage is 220. How to convert 110 volts to 220?

I find how make Tiny Terror to 220 volts.
http://s51.radikal.ru/i132/0912/02/47e01e42cb99.jpg" onclick="window.open(this.href);return false;
http://s08.radikal.ru/i181/0912/9d/9c193b9e5f6e.jpg" onclick="window.open(this.href);return false;

If I do the same thing with Dark Terror, then will it work with 220 volts?
That looks correct to me but you'll also need to put a lower rated fuse in it too...
Image
Last edited by Sooner on Thu May 15, 2014 12:35 pm, edited 1 time in total.
Sooner
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rizeepalevo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rizeepalevo » Wed Aug 17, 2011 1:03 pm

Thanks.

Dark Terror and Tiny Terror use the same power transformers, right?
Waiting my Orange Dark Terror :D

Sooner
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by Sooner » Thu Aug 18, 2011 8:48 pm

rizeepalevo wrote:Thanks.

Dark Terror and Tiny Terror use the same power transformers, right?
Don't know if they're exactly the same but as far as I know all Orange tube amps since the AD15 (late 90's) can be converted between 120 and 240 volts and the color coding for the transformer wiring is the same.
Sooner
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rizeepalevo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rizeepalevo » Thu Aug 25, 2011 6:10 pm

They are the same) I've cheked it.
And Dark Terror has voltage selection =)

Thanks to all!
Waiting my Orange Dark Terror :D

rvelozo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rvelozo » Tue Jan 29, 2019 7:10 pm

This is very informative!
I am searching for the opposite... Got a Dual Terror that is a 220v and I need to convert it to 127v.
Should I start a new thread or should we keep it here?

This is the label I see on the transformer:
Image

Thanks!
Last edited by rvelozo on Wed Jan 30, 2019 12:34 pm, edited 1 time in total.

Sooner
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by Sooner » Tue Jan 29, 2019 11:33 pm

rvelozo wrote:
Tue Jan 29, 2019 7:10 pm
This is very informative!
I am searching for the opposite... Got a Dual Terror that is a 220v and I need to convert it to 127v.
Should I start a new thread or should we keep it here?
Thanks!
You can convert it from 220 to 110v by removing the black and red wires from the main power input jack inside the chassis and connecting them together. It should look like this when you're done: (You need to double the mains fuse rating too).
Image
Sooner
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rvelozo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rvelozo » Wed Jan 30, 2019 12:27 pm

Thank you! But joining red and black would match the 220 configuration, wouldn't it?
I want to be very sure since it seems that I got only one shot at this...

Image

Sooner
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by Sooner » Wed Jan 30, 2019 9:59 pm

rvelozo wrote:
Wed Jan 30, 2019 12:27 pm
Thank you! But joining red and black would match the 220 configuration, wouldn't it?
Sorry. You're correct. Yours will already have the red and black connected together. You nee to separate those and connect the black with the blue, and red with the brown.
Sooner
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rvelozo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rvelozo » Thu Jan 31, 2019 11:31 am

Thank you for your help. I was able to change it.
Will leave it here for future reference.


This is how it was set to 220v. Black and Red connected.

Image


This is after the switch to 120v. Separated Black and Red and connected Blue and Black and Brown and Red

Image

Sooner
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by Sooner » Thu Jan 31, 2019 2:40 pm

Interesting. Judging from the use of electrical tape before you made the change, it looks like your amp was originally wired for 110v and had been converted to 220v before you acquired it?

FWIW I would suggest replacing the electrical tape with heat shrink. Over time electrical tape tends to deteriorate.
Sooner
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rvelozo
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Re: Dark Terror. Convert from 110 to 220 volts. How?!

Post by rvelozo » Thu Jan 31, 2019 4:02 pm

Thanks for the advice on the electrical tape! Will replace that.

I was surprised to find out that the short stubs of the red and black wires cut and had been tapped along the blue and brown wires.
That proves that it had been converted before.

Which explains what happened when I got the amp.
The 120v is marked on the chassis and the seller told me that the amp was in fact 220v.
I asked him about the difference between the label and the actual voltage... he didn't know.

This is in Brazil where most of the states use 120v and a few use 220v. The guy that sold it to me is from a state south of mine where it's 220v.
From that I can conclude at least two things:
  • The dealer he bought it from converted it to sell in that state.
  • He had it changed and forgot about it... or simply lied about it. Although I don't understand what that would do for him.
Anyway it is changed, the voltage matches the marking:
Image

Although I tested it successfully, now I need to get the T2A fuse, since I blew the T1A after a few minutes as expected.


Maybe my next project will be replacing a crackling gain pot on the TT channel. It is not too bad now.
Last edited by rvelozo on Mon Feb 04, 2019 6:28 pm, edited 1 time in total.

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