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MP-501 V5 KT120 KT150 Tube Amplifier

MP-501 V5 KT120 KT150 Tube Amplifier
MP-501 V5 KT120 KT150 Tube Amplifier MP-501 V5 KT120 KT150 Tube Amplifier
Product Code: MP-501
Availability: In Stock
Price: $1,499.00 USD

Available Options

* Preamp Tubes:

* Power Tubes:

* Shipping:

   - OR -   

Due to an excessive volume of orders surpassing our production capacity, in order to avoid excessively long waiting times after placing an order, we have to switch to irregular updates of stock availability to fulfill orders.

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MP-501 V5 is our flagship integrated tube amplifier. It is a big upgrade from the legendary MP-301 MK3 in terms of sonic details, dynamic and power. If you have low efficiency power hungry speakers, MP-501 is your solution. MP-501 can provide good bass response, big soundstage and very fine sonic details to the audience. Its sound signature combines both solid state and traditional tube advantages. It is a comprehensive amplifier that not only can play very sweet and smooth female vocal, but also can handle high dynamic range symphony unbelievably well.

MP-501 employs powerful Tung-Sol KT120/KT150 pentode power tubes and produces 55W per channel into both 8Ω and 4Ω. In order to achieve relatively high output power without sacrificing sound quality, power tubes are configured in single ended parallel mode instead of push-pull. Dual power transformers with independent DC filtering circuits provide the best channel isolation and strong power supply performance. Zero global negative feedback circuit design delivers the most natural and musical sounding.

Technical Highlights

1.   Gold plated dual layers PCB board

2.   CDE 940C coupling capacitors

3.   Dual mono circuit design and power supplies

4.   Genuine Philips, Rybycon and Kendeil high quality electrolytic capacitors

5.   Vishay Dale military grade resistors

6.   ALPS motor volume pot

7.   Zero global negative feedback

8.   Single ended Class A

9.   High grade Z11 OFC power and output transformers

10. 24K gold plated RCA input and speaker terminals

11. Auto biasing design that eliminates manual bias adjustment

12. Remote volume control

13. Switchable integrated and power amp modes.



MP-501 V5

Tubes (Stock)

Tung-Sol KT120 x 4, 6J8P x 4

Tubes (Optional)

717A, 6SJ7, 5693, KT150


Class-A Single Ended Parallel

Output Power (RMS)

55W x 2

Output impedance

4Ω - 8Ω

Frequency Response

15Hz - 30Khz


<0.5% (1Khz)



AC Input

110-120V / 220-240V 50-60Hz Worldwide Use




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


1 Year Limited (Except 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



English Manual



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