(Push Ball)Tube : 12AX7 or 12AT7 X2. 5U4G or GZ32 GZ34 X2. This amplifier is hand by HK Master Sounds and power is amazing!I used for LS35A Speaker is perfect match. The item "Melton EL34 integrated tube amp 40 watt. Push Ball 4-16 Ohms LS3/5A Dynaudio" is in sale since Friday, February 19, 2021. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "frsperformance" and is located in South El Monte, California. This item can be shipped to United States, Canada, Australia, Japan, South Korea, Indonesia, Taiwan, Thailand, Mexico, New Zealand, Singapore, Malaysia, Brazil, Chile, Colombia, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, French guiana, Cambodia, Sri lanka, Macao, Maldives, Peru, Pakistan, Paraguay, Viet nam, Uruguay.