All the tubes haven't had much use (around a few hundred hours). This amp has a multi voltage transformer. Suitable for anywhere in the world. It can set to 230v or 115V with a switch on the back panel.
(See picture) It's currently set on 230V (suitable for 220-240V mains) but I can change to 115V (suitable for 100-120V mains) before posting if required. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Amplifiers & Pre-Amps". The seller is "hifipoint" and is located in this country: GB. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Republic of, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Singapore, Korea, South, Switzerland, Taiwan, Thailand, Bangladesh, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Egypt, Guernsey, Gibraltar, Guadeloupe, French Guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Saudi Arabia, South Africa, United Arab Emirates, Bahamas, Colombia, Jamaica, Kuwait, Panama, Philippines, Qatar, Uruguay.