This is 45PSE tube amp, special order made with driver tube 6B4G and Walnut woonden case with top copper plate 3mm thick. You can use power tube either 2A3 or 45 without any modification. This amp adopted O.U.D.D.C ( Otomon Ultimate Direct heat tube Drive Circuit) which is research and developed by OTOMON LAB. You can read detail here > http://soundgate.net/product/MTQ1MA...highend Amplifier is working in para Single end mode. 2 tube 45 (2A3) parallel connection in single end mode in each channel. Output is up to 6-7W pure class A, no noise , no hum, sound is rich and full of energy, full characteristic of 45/2A3 tube. O.U.D.D.C bring the low frequency that you can not hear from any other 45 tube amp. You can use tube 45 or 2A3 tube, enjoy the difference characteristic of driver tube 45 an 2A3. This use hybrid bias, you dont need to care to bias of tubes as changing tubes. You will be surprise with musical sound that this amp bring. Prestage tube is 6DJ8 x 1 and rectifier tube is 5U4 or GZ-34, 5R4GW, 5Y3 vv...v Specification: (Zero NFB) Ouput power: 6-7W Response frequency : 10Hz ~ 60K Hz ( at 6W ) Noise : 0.25mV THD 5% 6W Tubes are not included/////////////////////////////// NOTE: 1. If you want to buy item, press buy it now or make offer button if you want to offer your best price.2. I only ship item via EMS or Fedex, I dont accept ship item via sea way. If you buy many items from my listing, make payment via Buy it now, I will combine shipping if possible and refund the overcharge shipping fee. 3. Please make your payment within 3 days. 4. If you have any question about item, feel free to ask me before bidding. Generally, I dont response to question ask about what is your best price, you can press best offer button and input your best price. If there is no best offer button then item is fixed price. 5. If you want to find any item related to audio turntable, audio vintage or amplifier, and you can not see in my listing, please ask me via message, I can help you find it. 6. If you want to know about me, you can search on google with key word Otomon Laboratory //////////////////////////////

This is 45PSE tube amp, special order made with driver tube 6B4G and Walnut woonden case with top copper plate 3mm thick. You can use power tube either 2A3 or 45 without any modification. This amp adopted O.U.D.D.C ( Otomon Ultimate Direct heat tube Drive Circuit) which is research and developed by OTOMON LAB. You can read detail here > http://soundgate.net/product/MTQ1MA...highend Amplifier is working in para Single end mode. 2 tube 45 (2A3) parallel connection in single end mode in each channel. Output is up to 6-7W pure class A, no noise , no hum, sound is rich and full of energy, full characteristic of 45/2A3 tube. O.U.D.D.C bring the low frequency that you can not hear from any other 45 tube amp. You can use tube 45 or 2A3 tube, enjoy the difference characteristic of driver tube 45 an 2A3. This use hybrid bias, you dont need to care to bias of tubes as changing tubes. You will be surprise with musical sound that this amp bring. Prestage tube is 6DJ8 x 1 and rectifier tube is 5U4 or GZ-34, 5R4GW, 5Y3 vv...v Specification: (Zero NFB) Ouput power: 6-7W Response frequency : 10Hz ~ 60K Hz ( at 6W ) Noise : 0.25mV THD 5% 6W Tubes are not included/////////////////////////////// NOTE: 1. If you want to buy item, press buy it now or make offer button if you want to offer your best price.2. I only ship item via EMS or Fedex, I dont accept ship item via sea way. If you buy many items from my listing, make payment via Buy it now, I will combine shipping if possible and refund the overcharge shipping fee. 3. Please make your payment within 3 days. 4. If you have any question about item, feel free to ask me before bidding. Generally, I dont response to question ask about what is your best price, you can press best offer button and input your best price. If there is no best offer button then item is fixed price. 5. If you want to find any item related to audio turntable, audio vintage or amplifier, and you can not see in my listing, please ask me via message, I can help you find it. 6. If you want to know about me, you can search on google with key word Otomon Laboratory //////////////////////////////