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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 3:08 pm
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Thank you for all the tips. I will take a look and read further on this.

G


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 3:33 pm
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OK check the back of the amp. It only states 120V, 60Hz, 75Watt.

So I still will have a problem with frequency? From the articles linked in this post, it sounds like this could be an issue for most appliances.

Man oh man...I should have really read up on this before I got this from the US....


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 3:54 pm
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If you lift a PT rated for 50Hz and one rated for 60Hz (same primary and secondary voltage & current ratings) you'll feel a BIG difference in weight.

50Hz have much heavier laminations. The difference is the heat that each type can safely dissipate. Best of both worlds is the 50/60Hz types. A type seen in nearly all Fender amps built since very early days, including Champ, Princeton, Deluxe, Professional line amps. Unfortunately, I have seen some recent, lower-end amps that have PT's which are only 60Hz rated.

Both the Champion 600 RI and the Excelsior have 60Hz-ONLY rated PT's in models sold in the US. Also MANY non-Fender budget, low-end amps --- have 60Hz only rated PT.

" It only states 120V, 60Hz, 75Watt. "

I strongly recommend NOT using this amp in a country supplying 50Hz voltage. If you check the Owner's Manual you'll will see all the Excelsior export model amps which can be used in 50Hz countries & their Fender part numbers. On page 16. You'll need the PT for EU or UK use, with these parts numbers.

http://support.fender.com/manuals/guita ... _rev-B.pdf


Last edited by BMW2002Ti on Wed Oct 02, 2013 9:39 pm, edited 4 times in total.

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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 4:09 pm
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This is what I use for my US amp in 240V environment (handles both 50/60Hz)

http://www.ebay.com.au/itm/380586918073 ... 1439.l2649


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 4:15 pm
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Nikola Tesla, you of all ppl should know that this is NOT what you use on amps with 60Hz-only rated PT's in countries with 50Hz power source! Shame on you!!!! :D :mrgreen: :D

Step-down or Step-up trannies ONLY change the voltage NOT the frequency of the power source. It's not the voltage that kills the tranny. It's the Hz.

You can easily run a 50Hz rated PT in a 60Hz country. BUT never vice-versa.

Believe me, I've seen and heard of a lot of 60Hz only units toasting their trannies oversea.

Only use the step-up and down trannies with any type of unit with PT's and motors rated (such as paper shredders or vacuum cleaners) for 50Hz/60Hz use.

See section 4, of link:

http://sound.westhost.com/articles/50-60hz.htm#s40


Last edited by BMW2002Ti on Thu Oct 03, 2013 2:49 am, edited 1 time in total.

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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 5:58 pm
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Steve, you just made me sweating and shaking this morning regarding my recent acquisition of the 1965 Pro Reverb that arrived from US. :D

Yes, Australia runs 50Hz and you guys are 60Hz. The step down tranny manual states it can handle both 50 and 60Hz, but it doesn't really matter, as the step-down only steps down/up the Voltage and not cycles (Hz).

I've looked at the tube chart .. and yes, it looks like I'm good to go, am I? :mrgreen:

Image

Huhh ..


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 8:03 pm
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Nikola Tesla, you are good to go. As long as the step-up/step-down tranny can handle the current load. And gives steady VAC.

All Fender amps I've seen, made before 1982 have the heftier 50/60Hz trannies. Even my "real" 1948 Champion 600, has a good Triad 50/60Hz tranny.

Tells you something about new production considerations in choosing quality. Cost & weight are more important than the basic foundation for power in the amp. Sad. :(

Image


Last edited by BMW2002Ti on Wed Oct 02, 2013 9:32 pm, edited 3 times in total.

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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Wed Oct 02, 2013 8:32 pm
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BMW2002Ti wrote:
Nikola Tesla, you of all ppl sure know that this is NOT what you use on amps with 60Hz-only rated PT's in countries with 50Hz power source! Shame on you!!!! :D :mrgreen: :D




:oops: :oops: I wish I have 0.01% geniality that my famous countryman had. :oops: :oops:


.


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 12:42 am
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Ok so I might have to get this amp modded with a UK power unit or something to that effect. I hope this is possible, otherwise I am sitting here with a nice looking paperweight.


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 1:33 am
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stratrat wrote:
Ok so I might have to get this amp modded with a UK power unit or something to that effect. I hope this is possible, otherwise I am sitting here with a nice looking paperweight.



Why don't you sell your US amp on E-Bay and buy a excelsior made for 240 volts ?


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 1:49 am
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BMW2002Ti If I'm right , when Leo Fender start business ( and before ) we had 50 Hz voltage in America and it also the begining of 60 hz some part of the country
_________________________

In California they use 50 hz in 1925 and finish conversion to 60 Hz in 1948


http://www.sos.siena.edu/~aweatherwax/e ... /60-Hz.pdf

Center column ,on the last page; Period of system interconnection 1925-1948


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 1:50 am
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yes I may have to, but I have contacted Fender UK to see if they are will do to do a power unit swap on this if at all possible.


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 2:30 am
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Stratele, very interesting. This explains why many trannies and motors are wound to work on 50 or 60Hz in the US.

Thanks, for that great link! :D


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 2:42 am
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BMW2002Ti wrote:
Stratele, very interesting. This explains why many trannies and motors are wound to work on 50 or 60Hz in the US.

Thanks, for that great link! :D



I learn a lot with you here , Thank's


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Post subject: Re: Need advice on using US Excelsior amp in Ireland/UK
Posted: Thu Oct 03, 2013 2:55 am
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just got this back from a Fender UK rep:

"Don’t worry about the 50/60Hz difference. As long as the voltage and wattage are correct you’ll be fine.

If you wanted to change this to a UK/Ireland transformer it would probably end up costing almost as much as the amp."


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