Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier

Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier
Product Price: $1,489.99 USD
Product Model: Original OPA-2A
Product Quantity: 10 Units in Stock
Shipping Weight: 25 Kg

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Product Warranty
All items Guaranteed 100% Brand New In the original edition Box and Come from the original factory.
All items ONE-YEAR WARRANTY !!!
Shipping Time & Invoice Declare
All items ship with DHL/UPS/TNT/EMS, (DHL/UPS/TNT) About 3-7days delivery time, EMS About 7-15days delivery time.
We can Declare the Value of the Order as Customer's Remark!!!
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Features:

  • the whole machine adopts high quality PCB welding to maintain stability and stability.
  • Two EI type output transformers with high quality broadband and high quality Z11 cores are adopted.
  • using a specially designed Z11 EI power transformer with high power core.
  • The high pressure part is made of 274B/5U4G rectifier.
  • the front stage uses two 12AU7 vacuum tubes, and the latter stage uses two 2A3C vacuum tubes for class a single ended power amplification. Fully embodies 2A3's exquisite, smooth and penetrating personality.
  • with left and right voice balance adjustment function.
  • input has BALANCE/RCA selection.
  • headphone output can choose four core balanced output and 6.5 output.
  • equipped with external speaker function.
  • boot silent delay function (about 30 seconds)
  • Choose ALPS high grade 27 type volume potentiometer in Japan.
  • easy installation of the plug type vacuum shield.

 

Technical parameters:

  • Rated output power: external speaker output: 3W + 3W (4-8 ohm load).
  • Balanced headphone output: 2000 m W + 2000 m w (32 ohm load)
  • Single ended headphone output: 500MW + 500MW (32 ohm load)
  • Whole machine frequency response: 20Hz to 50kHz (-1.5dB)
  • Harmonic distortion: 0.5% (1kHz)
  • Signal to noise ratio: 89dB
  • Input sensitivity: 180mV
  • Input impedance: 100K
  • Left and right output balance: <0.5dB
  • Use vacuum tube: 12AU7 X2, 2A3C X2, 5U4G x1
  • Whole machine volume (WxDxH): 360mm x275 mm X170 mm
  • Net weight: 20kg
  • Working conditions: temperature: 0 ~ 40 ~ humidity: 20% ~ 80%
  • Storage conditions: temperature: -20 ~ 70 C humidity: 20% ~ 90%

 

Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier

Original OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone AmplifierOriginal OPA-2A 2A3 Tube power Amplifier HiFi Headphone Amplifier