MP-428 300B Integrated Amplifier

$799.99








Proudly designed in Canada.
Each component faithfully extracts the soul and emotion from the music.

Features:
  • Full aluminum alloy body with frame construction.
  • One amplifier supports both legendary 2A3 and 300B triode.
  • Auto biasing design that eliminates manual adjustment.
  • Class A Single Ended; Zero negative feedback.
  • Comes with NOS Gold Plated Gui Guang 300B which sounds better than Shuguang 300B-98 and Full Music 300B/n mesh plate.
  • Filaments are powered by DC voltage-stabilizing circuit for cleaner background and longer tube life.
  • Plate voltage is regulated by 5Z3P(5U4G).
  • Supports mono bridge mode.
  • Built with high grade genuine components.
  • US Vishay Dale and NOS Western Electric resistors.
  • Red WIMA MKP, UK BHC, Rybycon, Philips, ELNA, Panasonic capacitors.
  • Original Blue Shell ALPS volume control, NOBLE power switch.
  • 24K gold plated input and output terminals.
  • Transformers are made with oxygen free copper wire and Japanese Z11 Nickel core.
  • Hand made point to point wiring.
  • Proven by many customers. Excellent sound quality guaranteed.


  • Specifications:
    Model MP-428
    Tubes (Default)
    300B x 2, 6J8P x 2, RCA 6AC7 x 2, 5Z3P x 1
    Tubes (Optional)
    2A3C x 2
    Topology
    Class-A Triode Single Ended
    Output Power (RMS) (300B) - 7.5W x 2 Stereo, 15W Mono
    (2A3) - 3.5W x 2 Stereo, 7W Mono
    Output impedance 4 - 8 ohms
    Frequency Response 15Hz - 30Khz
    T.H.D <=2% (1Khz)
    S.N.R 88db
    AC Input 100-110V / 220-240V 50-60Hz Worldwide Use
    Weight 20KG
    Dimension 40cm x 32cm x 21.5cm (L x W x H)
    Warranty
    1 Year Limited (One month for tubes)


    Tube Replacement Guide:
    6J8P
    6SJ7, 5693, 6AC7, 6SK7, 6SD7, 6J4P, 6*4, 6*8
    5Z3P
    5U4G, 5AR4, 5Y3


    Add to Cart:

    • Model: MP-428-300B
    • Shipping Weight: 23kgs


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