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Boyuu A20 KT88 vacuum tube amp Single-end Class A HiFi audio Tube rectifier intergrated amplifier Version 4nd with VU meters Brand new Hand welding point to point The price is NOT included the tube cage cover. if you need the tube cover, plus extra $20 USD to get it. The price is NOT included the tube cage cover. if you need the tube cage cover, plus extra $35 USD to get it. Declaration Features: 6J8P-J pre-voltage amplification. KT88-98 power output. Output power, maximum output power of 8W. Output amplifier uses no big loop feedback technology to ensure high sound reduction, powerful,... |
$434.67 USD
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BoyuuRange A-50 MKIII 300B Single-ended Class A Vacuum Tube Intergrated Amplifier Factory add an Inductance transformer and Bipolar filter circuit to get the nicer sound for the MKIII. Declaration Specification: Voltage amplification and promotion tubes: 6N8P (6SN7) × 2 Power output tube: 300B × 2 (brand PSVANE) Rectifier: 5Z3PAT × 1 Output power: 7.6W x 2 (Class A) (No negative feedback) Frequency response: 30Hz-42KHz Output impedance: 4Ω, 8Ω Total harmonic distortion: ≤1% (1kHz) Input sensitivity: 750MV Input impedance: 100KΩ (3 groups of input jacks) Volume: 375 W x 290 D x 180 H m... |
$649.99 USD
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Boyuu Q6 Tube 12AX7 Pre-amplifier Marantz 7 M7 circuit Preamp Brand New Declaration Features of BOYUURANGE Q6 M7 Circuit upgraded version : A.Vacuum Tube Rectifier(6Z4 rectifier tube ). B.Vacuum tube high voltage voltage stabilization. 6P6P (6V6) Tube power supply adjustment, 6J1 Tube Voltage proportional amplification. C.The power supply part adopts CLC filtering. D.Boot audio delay output, and the delay time is 25-35 seconds. E.4 groups of audio input, relay signal switch, reduce signal interference, shorten the signal channel path. Vacuum Tubes: 12AX7 * 3, 6Z4 * 1,6J1 *1,6P6P (6V6) *1... |
$327.69 USD
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Boyuu A10 EL34B tube amp Single-end Class A HiFi audio integrated stereo amplifier tube 5Z4P Rectified Brand New Opened box&Ship to USA only(returned goods checked like new) is ONLY for Version: Ver B: welding by hand upgrade version Come with Tube cage cover 115V and Power tubes EL34 brand PSVANE or Shuguang random. The Prices of raw materials copper, iron and aluminum increase by 20% to 60% these months in 2020. The USD to RMB exchange rate get bad too. We want to sell the lowest price, but the Prices of raw materials is crazy. Factory get no gross margin for this price, if Calculation of... |
$239.99 USD
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Reisong A12 12AX7(ECC83) EL34 Tube Integrated Amplifier single-ended Class A Boyuurange 100% Brand New The free shipping price is only for shipping to the Coutries below. Shipping to the other countries cost too high, you need to contact us at first. United States, Canada, Australia, New Zealand, United States, Ireland, Austria, Belgium, Denmark, Germany, France, Finland, Netherlands, Luxembourg, Norway, Portugal, Sweden, Switzerland, Spain, Greece, Italy, United Kingdom, UAE, Poland, Russia, Czech Republic, Hungary, Korea, Japan, Philippines, Cambodia, Malaysia, Thailand, Singapore,... |
$498.29 USD
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Boyuu A30 2A3 Tube Singel-end Class A Integrated Amplifier Hi-fi audio 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 tube members are not easy to understand and accept so loud humming. Declaration Specification: Power Transformer: New imported... |
$479.64 USD
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Reisong MT-34 MKII EL34 vacuum tube intergrated amplifier push-pull BoyuuRange hi-fi Audio Brand new Declaration Specification: Input sensitivity: 550 mV Output power: 2 × 25W (Ultra-linear connection) 2 × 15W (Triode connection) Signal to noise ratio: 88dB Input impedance: 100KΩ Input jack: CD / AUX / TAPE Output impedance: 4 ohm, 8 ohm Power consumption: 230W Frequency response: 30Hz-45KHz Vacuum tube: 5Z4P x1, EL34B x4, 6N1J x3 Volume: 375W x 290D x 180H mm Packing volume: 500x450x290Hmm Weight: about 19 KG Gross weight: 21 KG... |
$390.95 USD
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Boyuurange MT-88 MKII KT88*4 tube amp Push-pull Hi-Fi audio Integrated amplifier Brand new Hand welding point to point, Powerful and nice sound Declaration Specifications: Vacuum tube: 12AT7*1 (voltage amplification) 12AU7*2 (current drive) KT88*4 (power output) Output Power: 18W × 2 (triode) 38W × 2 (ultra-linear) Frequency response: 25Hz - 45KHz Input Impedance: 4 ohms, 8 ohms SNR: 89dB Input Sensitivity: 800mV Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 800mV Input Impedance: 100KΩ Volume: Width 410 × 370 × depth high 190MM Packing Volume: width 560 × 480 × depth hi... |
$539.03 USD
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BPrice difference for the order sometimes, the order need to add some thing or change something, just need to make an new order here Like add $14 USD, it need to make an order 14 items. If the pirce mantissa is less than $0.79 USD, don't need to pay for the mantissa, like $14.79 USD, just need to pay for $14 USD. If the pirce mantissa is more than $0.80 USD, it needs to make the mantissa to $1 USD, like $14.80 USD, it needs to pay for $15 USD. Declaration |
$1.00 USD
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Boyuu REISONG 1:2 passive Audio input transformer for Phone/PC/MP3 Player to get hifi sound 100% Brand new Declaration Boyuu REISONG 1:2 passive Audio input transformerS Feature: REISONG 1:2 step-up transformer is a passive step-up transformer developed to compensate for the low output of audio signals from computers, mobile phones and MP3 players in the existing market. When using a computer, mobile phone and MP3 PLAYER to listen to music with hifi amplifier, generally find the sound is small, less details, dynamic and thin. Without a CD player, the decoder sounds full, because... |
$149.47 USD
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Boyuu YULU M2 mini Tube EL34 integrated Valve amplifier audiophile audio 100% Brand new Declaration 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: 85dB Power supply: 100V to 240V 60Hz / 50Hz, 220V version is in stock. 100V, 110V, 115V, 120V, 2... |
$159.98 USD
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Boyuurgang Reisong A2 Class A Single-ended EL84/6P14 vacuum tube integrated amplifier Hi-Fi 100% Brand new Declaration Specifications Input sensitivity: 550mV Output power: 2 * 2.5 W Signal to noise ratio: 84dB Input impedance: 100KΩ Output impedance: 4,8 ohm Input voltage: 220V / 50Hz Power consumption: 45 W Frequency response: 38Hz-36KHz Vacuum tube: 12AX7x1, 6P14 / EL84x2 Dimension: 220W x 188D x 136H mm Net weight: 3.6 KG Packaging Dimension: 330L x 278W x 225H Package weight: 4.5KG Power supply: 100V-240V 50Hz/60Hz Input jack: CD / PC Features: High-quality wide-frequency s... |
$174.25 USD
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Boyuu A50 MKII 300B vacuum tube amp Single-end Class A HiFi audio intergrated amplifier When the MKII version don't play music this MKII version have the loud ground noise at than 3 meters or more, if you don't mind the loud ground noise, you can get this MKII version. The upgraded version MKIII link below have little ground noise, Please Click here to visit the MKIII upgraded version The price is NOT included the tube cage cover. if you need the tube cover, plus extra $35 USD to get it. Declaration Characteristics: An aluminum alloy panel is added on the front for a more sophisticated... |
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Boyuu A9 EL34 Single-ended Pure Class A Finished tube amplifier or Hi-Fi DIY Kit This is kit and need you solder it by yourself, it's very suitable for love DIY hifi friends. You must be good at DIY tube amp. If you are an entry-level DIYer, please don't buy the KIT. The KIT's price is included the KIT and a circuit diagram only. The service charge is not included, service charge cost very very high because we are not good at DIY, sorry for this. Some of my buyers ask a DIY KIT, so, we list one to test. If you need a DIY KIT, choose Ver A. If you want the finished tube amplifier, choose Ver... |
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Boyuu A20 KT88 tube amp Single-end Class A HiFi audio amplifier Hand welding point to point This version was discontinued, there is an upgraded version link below, Please Click here to visit the upgraded version The price is NOT included the tube cage cover. if you need the tube cover, plus extra $35 USD to get it. The price is NOT included the tube cage cover. if you need the tube cage cover, plus extra $35 USD to get it. Declaration Features: 6J8P-J pre-voltage amplification. Dawn export KT88-98 do power output. Output power, maximum output power of 18W. Output amplifier uses no big... |
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