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MP-501 V4 KT120 KT150 Tube Amplifier

MP-501 V4 KT120 KT150 Tube Amplifier
MP-501 V4 KT120 KT150 Tube Amplifier MP-501 V4 KT120 KT150 Tube Amplifier
Product Code: MP-501
Availability: Out Of Stock
Price: $1,299.00 USD

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* Power Tubes:



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Apr 20, 2016: MP-501 V4 Release Note

1. Upgrade power transformers to have 50% more redundant capcacity

2. A slimmer nicer remote contol  

Oct 17, 2014: MP-501 V3 Release Note

1. Add IR remote volume control feature

2. Upgrade outer 4 filtering capacitors to Kendeil Gold series

3. Upgrade internal 12 filtering capacitors to 220uf each, so the total capacitance increase 480uF

4. Improve power amp mode preamp compatibility

The best amplifier we ever made! The finest sound that you always dream of!

More Reviews: http://www.audiokarma.org/forums/showthread.php?t=480934

 

Update (Aug 28, 2013):

The MP-501 received all praise from our users all over the world. Today, we are glad to announce the MP-501 V2, the second edition of the MP-501. Two important upgrades have been implemented in the MP-501 V2. First, all PCB boards are upgraded to the highest quality, full gold plated boards. Second, the signal coupling capacitors are upgraded to the leading-edge Mundorf MCAP silver and oil series. These upgrades provide better smoothness, clarity and transparency to the music.

The MP-501 is a brand new design equipped with the most powerful KT120 pentode power tubes that can produce 55W per channel into 8Ω and 4Ω. In order to achieve high power output without sacrificing sound quality, two KT120 are configured in single ended parallel mode instead of push-pull. Dual power transformers with independent DC filtering circuits provide the best channel isolation performance. Huge total filtering capacitance provides low noise floor and reserved energy. Oversized output transformers can produce much deeper bass. Our zero global negative feedback design provides the most natural feeling and huge lifelike soundstage.


Features:

  • Auto biasing design that eliminates manual adjustment.
  • Class A single ended parallel; Zero negative feedback.
  • Built with high grade genuine components.
    (US Military Vishay Dale resistors. RIFA 450, Rubycon, Philips BC, Panasonic and Nichicon capacitors.)
  • 24K gold plated input and output terminals.
  • Transformers are specially made with oxygen free copper wire and Japanese Z11/M6 silicon core.
  • 2 oz. thick copper PCB.
  • Proven by many audiophiles. Excellent sound quality guaranteed.


Specifications:

 

Model

MP-501

Tubes (Default)

Tungsol KT120 x 4, 6J8P x 4

Tubes (Optional)

WE 717A, 6SJ7, KT150

Topology

Class-A Single Ended Parallel

Output Power (RMS)

55W x 2

Output impedance

4Ω - 8Ω

Frequency Response

15Hz - 30Khz

T.H.D

<=1% (1Khz)

S.N.R

88db

AC Input

100-120V / 220-240V 50-60Hz Worldwide Use

Weight

29KG

Dimension

(W 35CM x L 45CM x H 20CM)

Warranty

1 Year Limited (One month for tubes)



Tube Replacement Guide:

 

V1 V2

6SJ7, 5693, 717A, 6SD7, 6J8P, 6*8

V3 V4

6SJ7, 5693, 6SD7, 6J8P, 6*8, 6AC7

V5 V6 V7 V8

KT120, KT150

 

Manuals:

English Manual

中文手册


 





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