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  • Description
    update Upgrade  version use the bigger audio output transformer ( 76-40 ), 
    the standard version use the transformer of  66-36 .
     

    The DIY  kits components version is the components need the buyer to install himself. The components are for the standard version.

     

    Boyuu A9 BYA9 EL34 Tube Amp Single-Ended Integraed Tube Amplifier

     

    Features:

    • Power transformer : using imported 0.35 core, pretty neat, several complex vacuum impregnation.
    • Chassis : Professional design, the surface does not have a screw.
    • Output transformer : Stretching potting outer garment, potting moistureproof processing.
    • Power parts : Dual high-voltage full-wave rectifier tube 315V +315 V, use of imported iron core as power inductors, camp-type power supply filtering, ruby supply filtering.
    • Enlarge parts : Use Japan SUN classic lines, every channel uses two three common cathode tube parallel amplification with high output voltage, drive current is large and other characteristics, voice full speed, treble transparent, smooth.


    Parameters meterials:

    • Power transformer : using 96-60 large power core design power of 200W, high flux thick silicon steel imported 0.35. Oxygen-free copper enameled wire using domestic manufacturers layered tightly wound, with very low load current characteristic, no vibration, no buzz.
    • Output transformer : divided into segments of tightly wound, using the Japanese ultra-thin electrically insulating paper of pure wood (thickness of only 0.06MM, withstand voltage 2000V).
    • Capacitance : Imported fever capacitors do filtering (Netherlands, Philip, Japan ELNA, Japan Ruby, etc.). Coupling using the Netherlands Philip tonic special grade audio capacitors, transparent sound elegant.
    • Dimensions : width 315 depth 280 height 155

     

    Basic technical parameters:

    • Output Power: 12W * 2 (ultra-linear connection).
    • Frequency Response: 20Hz - 28KHz.
    • Output impedance: 4,8Omega.
    • Total Harmonic Distortion: le 1% (1kHz).
    • Input Sensitivity: 750MV.
    • Input impedance: 100KOmega (two input signals)
    • Dimensions (W times D times H): 310 times 268 times 165mm.
    • SNR: 88dB.
    • Preamp tube: Shuguang 6N9P x 2.
    • Power tube: Shuguang  EL34-B x 2.(if you want some special tube , please let us know)
    • Rectifier : Chinese 5Z3P x1.
    • Power transformers: new imported 0.35, stacked thick 60MM (96-60).
    • Output transformer core: new imported 0.35 dedicated audio .
    • Speakers outputs : high level export-oriented plugs, with transparent banana inputs
    • input voltage: 110v-120v or 220v- 240v 50/60hz

     

    The finished assembled standard amplifier description:

    • Power transformer 96-60. 200w , use 0.35mm iron plate
    • Epoxy potting dedicated audio output transformer, with high isolation 0.06MM paper, 2000V isolation.
    • SHUGUANG for export EL34B CPI tube output.
    • New 6N9PJ parallel amplification, the intensity is two times to the normal line.
    • Hand scaffolding welding.
    •  
    • Boyuu-BYA9-EL34-Tube-Amp-OR-DIY-Set-HIFI-EXQUIS-Assembled-or-Unassembled-A9-Single-Ended (1)Boyuu-BYA9-EL34-Tube-Amp-OR-DIY-Set-HIFI-EXQUIS-Assembled-or-Unassembled-A9-Single-Ended (2)Boyuu-BYA9-EL34-Tube-Amp-OR-DIY-Set-HIFI-EXQUIS-Assembled-or-Unassembled-A9-Single-Ended (3)Boyuu-BYA9-EL34-Tube-Amp-OR-DIY-Set-HIFI-EXQUIS-Assembled-or-Unassembled-A9-Single-Ended (4)Boyuu-BYA9-EL34-Tube-Amp-OR-DIY-Set-HIFI-EXQUIS-Assembled-or-Unassembled-A9-Single-Ended (5)HTB1NS7oXUY1gK0jSZFMq6yWcVXa5

Boyuu A9 BYA9 EL34 Tube Amp

USD
$458.00
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