MP-428 300B V2 Integrated Amplifier

Here is the new MP-428 V2, the upgraded version of the original MP-428!
Proudly designed in Canada.

Each component faithfully extracts the soul and emotion from the music.

(90 Days Warranty on Open Box or Demo Unit. Final Sale. No Return. All tubes are included except for the power tubes. Power tubes are optional)
 

Features:

• Full aluminum alloy body with frame construction.
• One amplifier supports both legendary 2A3 and 300B triode power tubes.
• Auto biasing design that eliminates manual adjustment.
• Class A Single-Ended.
• Comes with factory matched Shuguang or Guiguang 300B, NOS RCA/GE 6AC7 and NOS Shuguang 6J8P.
• Filaments are powered by DC regulated circuit for cleaner background and longer tube life.
• Plate voltage is regulated by 5Z3P(5U4G) tube rectifier.
• 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 silicon 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, 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	21.5KG
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

 

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