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changing  to 110 voltage
changing  to 110 voltage
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Old 15th March 2015, 10:48 AM   #1
tonyparr2 is offline tonyparr2
diyAudio Member
Join Date: Mar 2015
Default changing to 110 voltage

I am about to relocate to the US from a country that uses 200-240v electricity. I would very much like to take with me the Pass Aleph P pre-amp that has served me well for years, but need advice about any possible problems using it in the US with a transformer. I'd be very grateful for some guidance on this.
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Old 15th March 2015, 11:11 AM   #2
AndrewT is offline AndrewT  Scotland
Join Date: Jul 2004
Location: Scottish Borders
Either ask Pass, or open it up and look at the mains input to the primary winding/s.

If there are two 110/120Vac primary windings, then you have a universal transformer that can be used on 110Vac, 115Vac, 120Vac, 220Vac, 230Vac and 240Vac.
Ask Pass how to check and adjust the mains wiring to suit the USA mains voltage.

If there is only a 230Vac or 220/240Vac primary, then you have two choices.
Buy a 115:230Vac autotransformer. This will power ALL your 220/240Vac equipment if you buy an adequately rate version. This might be cheaper in the USA, but check availability before you move.
Or, wait till you get over to the USA and buy a new/old 110/120Vac transformer in the USA to swap into your Pass.

wait until you get over there and take your Pass to Pass and pay them to convert it back to USA voltage.
regards Andrew T.
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