Voltage amplification and promotion tubes: 6N8P (6SN7) × 2. Power output tube: 300B × 2 (brand PSVANE).
Total harmonic distortion: =1% (1kHz). Input impedance: 100KO (3 groups of input jacks). Volume: 375 W x 290 D x 180 H mm. Packing volume: 500 W x 450 D x 290 H mm.Signal to noise ratio: 89DB. All items guaranteed 100% BRAND NEW in the original edition Box. Boyuu A50 MKIII 300B vacuum tube intergrated amplifier:1. Power cable with plug of your national standard: 1. We are dedicated to offer the best audio-visual products at the lowest price to our customers. Bringing great products and customer service, and thus help enriching our customers' lives is our ultimate goal. Brand new replacement with 30 days. Our office hours are 8:30 a. M to 6:00 p. M (GMT +8) of Monday to Friday. And our Office is closed on Sunday and public holidays. We apologize for the late reply during the holidays. Since online shopping uncertainty, so thank u very much for choosing&trusting us. Our service is ready to help u any time, your feedback is extremely important to us. Then we'll send you the return slip. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "hifiaudioamplifier" and is located in this country: CN. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Mexico, Australia.