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Product Details: The circuit redesigned the LAY board. The power supply and signals were completely isolated, further reducing the noise floor. The circuit parameters are fine-tuned and the tone is more delicate and soft. 2-way audio input, through the front panel button-type input switch, the use of more convenient operation. The electronic tube part is made with the protective tube of the electron tube, and the protective cover adopts the bolt type installation, and the disassembly and assembly are more convenient. Protection, cooling the best of both worlds. Rotary power switch, the whole machine has better symmetry and coordination, and the sense of grade is further improved. The original principle circuit of Hotan was used to improve the circuit; excellent PCB circuit design, reasonable, regular, symmetrical device layout, strictly follow the single-point grounding trace. Specially customized all-aluminum chassis, with a body thickness of 2.8mm and a panel thickness of 8mm, is made of extremely fine pure black wire and oxidized. It is exquisite and glossy, and its quality is extraordinary. Power 120W (EI8642/H50) power transformer is used. The power filaments/left/right channel filaments are independently powered by windings, completely eliminating cross talk. Tube: 12AX7*2/12AU7*2/6Z4*2 Japanese ALPS potentiometer. Specifications:Input sensitivity: 200mvOutput voltage: 2V (RMS THD <0.03%)Signal to noise ratio: 95DBFrequency response: 10Hz-50KHz (-0.5DB)Input impedance: 250KohmOutput impedance: 150KohmInput voltage: 220V/110VWhole power consumption: 50WDimension:360MM*190MM*140MM(W-D-H)Net Weight: 5.5KGColor: black front panel or silver front panel Package Included:1 Finished tube preamplifier1 AC power cord
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On 29-Oct-19 at 04:06:04 GMT, seller added the following information:
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: 广州