Push/pull pentode output stage 4x5881/EL34. 4 plate supply tube regulators. 29 tubes: 4x5881, 2xKT88, 1x6C10Pi, 1xEL34, 18xECC83, 3xECC82. Frequency response: 20Hz-45kHz +/-1.5dB. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Amplifiers & Pre-Amps". The seller is "hadjiminasand" and is located in this country: CY. This item can be shipped worldwide.