Boyuu Audio Reisong Amplificatore a valvole Hi-Fi

REISONG Boyuu MT-88 MKII KT88*4 tube Amp Push-pull Hi-Fi Audio Amplifier Upgraded Version 100% original factory and brand new Product technology: Handmade scaffolding welding, there is concise and easy process, traces short, simple upgrade change material.  Imports of stainless steel chassis. There look gorgeous, durable, can not afford not peeling paint and so on.  Three tubes with ultra-linear transfer function, the perfect balance of push-pull machine play of strength and...

Boyuu MT-34 HIFI Tube Amp EL34 Push-Pull Tube Amplifier Lamp amp 110v-240v Basic technical parameters: Input Sensitivity: 550mV Output power:  2 times 35 watt (Ultra-linear connection mode) 2 x 15w (Triode connection mode, can be switched) SNR: 88dB Input impedance: 100KOmega Output Impedance: 4 ohm, 8 ohm Input voltage: 220v-240v 50/60Hz Power consumption: 230W Frequency response: 30Hz-45KHz Dimension: 378W x 287D x 178H mm Package volume: 500x450x300H net Weight: 18 KG Input Jack: RCA x...

REISONG Boyuu A30 Single-end Class A HiFi Audio 2A3C Vacuum tube Amplifier 100% original factory and brand new This item have a very loud humming when it don't play music. You can hear the humming 3 meters far away. But some senior audiophile can accept it becuase the sound is nice when play music. Why so loud humming? because it is AC for filament-type. The DC for filament-type will get less humming, but the sound is not good enough, Factroy don't use DC for this version . Usually, the new...

REISONG Boyuu A60 845 Single-ended tube Amplifier HIFI Intergrated Amplifier Brand New & 100% original factory this amp is auto bias! Feature: A60 uses 750W full material power supply Double choke inductor design, coupled with double 300B voltage regulator circuit, to ensure 845 working state 80W "no large loop feedback" audio output cattle, more than twice the margin than the rated output power Stable and reliable working condition Thick, warm and comfortable tone The frequency response...

Boyuu YULU M2 mini Tube EL34 integrated Valve amplifier audiophile audio 100% Brand new Boyuu YULU M2 mini Tube EL34 integrated Valve amplifier Specification: Output power: 8W*2 (superlinear connection). Frequency response: 30Hz--38KHz. Output impedance: 4,8Ω. Total harmonic distortion: ≤ 1% (1kHz). Input sensitivity: 550MV. Input impedance: 100KΩ (two input signals) Iunput: RCA for PC / AUX Size (width × depth × height): 260W x 230D x 175H mm Signal to noise ratio:...

REISONG Boyuu Q6 Tube 12AX7 Pre-amplifier Marantz 7 M7 circuit Preamp 100% original factory and brand new the Upgraded version is the Stabilized voltage version （ it is the Electronic tube voltage stabilization） 1.4 Input signal switching 2. Dedicated signal processing module, the signal is short, high fidelity, less interference 3. United States imported signal line machine connection 4. Non-destructive upgrade US 6X4 Size: 420MM wide, deep 380MM, high 135MM Frequency response: 19Hz ~...

Features Connection mode: passive preamp, with RCA input, suitable for mobile phones, computers, decoders, digital players, CD players and other audio source devices, RCA output, supporting connection with amplifiers/active speaker, etc. Improvement effect: it can effectively increase the gain and sound density of the sound, improve the sound quality, and make the sound more mellow and warm, bringing a better listening experience. Audio characteristics: adopt a 1:2 step-up mode design, that...

REISONG Boyuu A9 EL34 Single-ended Pure Class A tube amplifier Brand new & 100% original factory Specifications: Output Power: 12W * 2 (ultra-linear connection) Frequency Response: 20Hz - 28KHz Output impedance: 4,8Ω Total Harmonic Distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (two input signals) Dimensions (W × D × H): 310 × 268 × 165mm SNR: 88dB voltage amplification tube: 6N9PJ × 2 power output tube: Shuguang EL34B...

K6 technical parameters Bandwidth: 45Hz-30KHz Sensitivity: 89 DB /W/m Power: 10-100W Impedance: 8 ohm Specifications: width 250, depth 330, height 380 Technical characteristics Two-wire split-tone design, suitable for playing electronic split-tone system. The appearance of piano baking varnish, 8 layers of polishing, 8 layers of spraying and 8 times of baking, the appearance is fine and even and smooth, as bright and soft as a mirror. Let people put it down. Imported from France 6.5 unit, wool...

Specifications: Vacuum tube: 12AT7*2 12AU7*1 KT88*4 (power output) Output Power: 8W × 2 Frequency response: 30Hz - 42KHz Input Impedance: 4 ohms, 8 ohms SNR: 89dB Power consumption: 180W Input voltage: 110~240V / 50~60 Hz Package weight: about 25 Kg