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  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
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  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier
  • HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier

HiFi 12AX7+12AU7 Vacuum Tube Preamp DIY Kit Stereo Desktop Audio Pre-Amplifier

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$228.00 $175.00
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    Please select the information you want X
  • Type:
    DIY KIT
    Finished Preamp（110V）
    Finished Preamp (220V)
    Finished preamp (110V) with Bluetooth
    Finished preamp (220V) with Bluetooth
    Please select the information you wantX
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  • Description

Note: the DIY kit will need yourself to built it.  (The kit  Not recommended for novices )

          the Finished preamp is built well. connect power will can use it.


The KIT or  finished preamp both Not include power cord, please prepare it by yourself.




Parameters:
  • AC power supply: 110V or 220V 
  •  
  • (the Kit tranfsormer primary is 0-110V  0-110V. it can connect as 110V or 220V input)



Features
  • Excellent scaffolding design, simple and concise circuit, reasonable, regular and symmetrical layout make souns much purer. The sound is sweet and warm, natural and mellow, especially excellent in human voice and mid-range.
  • High-end material and process, such as Japan Z11 76 * 40 H250 0.35 sheet to make power transformer, Japan ALPS 16 volume potentiometer, Shuguang 12AX7 * 2 / 12AU7 * 2 / 6Z4 * 2 vacuum tubes, Stainless steel chassis with wood side panel, looks more attractive and durable.
  • With 4 groups of stereo L/R RCA auido input and 1 group of RCA output, easy to compare different audio source or device.
Parameters
  • Input sensitivity: 400mv
  • Voltage output: 2V (RMS THD <0.03%)
  • S / N Ratio: 94DB
  • Frequency Response: 12Hz-50KHz (-0.5DB)
  • Input Impedance: 200Kohm
  • Output Impedance: 600ohm
  • Power Consumption: 30W
  • Dimensions (W*D*H): 320 * 170 * 120mm
  • Net weight: 3.5KG
  • Package weight: 4KG



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