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Sony TA V7 Amp

Hi Everybody!
Tanks for keeping this this great resource alive.
Well I´m about ti buy a TA V7 Amplifier but I´m very confused regarding the operating voltage. According the manual there are several types or modes:
1. 220v
2. 240v
3. 220v to 240v
4. 120v

This is factory fixed or can be selected on the unit, an in this case, where and how can do that?
Thanks in advadced for your time.

Re: Sony TA V7 Amp

Only the type 4 is rated for 120 volts AC 60Hz. It will have a tag on the back with the voltage ratings.

Re: Sony TA V7 Amp

Thanks for the answer, I´ll check that.