Little Dot MKIV Mk4 SE WE403AX2 6H30PIX2 真空管 ヘッドフォン・アンプ + プリ・アンプ

SKU: FM081
価格: ¥54,300
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  • A special edition version of the Little Dot MK IV
  • Available for the very first time in a Little Dot amplifier
  • Replaces with M8100/CV4010 driver tubes and 6H30PI (Gold-Pin) power tubes
  • Flagship single-ended headphone amplifier/pre-amplifier in the Little Dot MK-series


The Little Dot MK IV also adds in user-tweaking options such as two gain switches to delivery maximum compatibility with all your headphones, regardless of impedance or sensitivity. Also available for the very first time in a Little Dot amplifier, is an internal jumper to allow use with a wider range of driver tube-rolling, including the EF92, CV131, WE403A/B, GE5654, M8100, CV4010, EF95, 6JI as well as all equivalents, derivatives, and direct replacements to these vacuum tubes!

Technical Specifications:

SEPP (Singled-ended Push Pull) OTL in Class-A
Frequency response: 10 hz~100 Khz (-1dB)
THD+N: 0.1% (100 mW @ 300 ohm)
Power Output:
500 mW @ 300/600 ohm
300 mW @ 120 ohm
100 mW @ 32 ohm
Power Consumption: 30W (228V x 0.133A)
Variable Gain: 3,4,5, or 10x
Recommended Load Impedance: 32 ohm~600 ohm
Input Impedance: 50K ohms
Pre-Amplifier Output Impedance: 600 ohms
Pre-Amplifier Gain: 3-10x (also controlled via gain switches)
Pre-Amplifier Voltage: 10V RMS
Pre-Amplification circuit includes both driver and power tubes
Driver Tubes: 2x M8100/CV4010 (MK IV SE)
Power Tubes: 2x 6H30PI Gold-Pin (MK IV SE)
High quality aluminum chassis
Neutrik Headphone Jack (SE version only)
American CMC/Van Den Hul RCA Jacks (SE version only)
Dimensions (Metric): 320mm deep by 220mm wide by 143mm high
Dimensions (English): 12.6 inches deep by 8.66 inches wide by 5.62 inches
Weight: 3.5 Kg or 7.7 lbs
1 Year Little Dot Warranty (2 Year Little Dot Warranty for MK IV SE)
Available in either 120VAC or 220VAC

カスタマー Q&A:


Hi, Is this price include VAT? Regards.

投稿日: 14/09/30 15:56

Sorry to tell you that this price isn't include VAT, but include shipping fee. Thanks.  

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Is the free shipping fee for Express shipping?  

投稿日: 15/06/18 12:18

Yes, Free for Express shipping. Thanks.

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Nikolay Britun
Nikolay Britun

Good day!  Could you send me a pdf version of the User Manual for the "Little Dot MK IV SE" amplifier ?  (I have just received one from Amazon, but the Manual is in Chinese only).    Thank you!

投稿日: 17/08/24 22:46

Hi Nikolay,we had sent email to you.Please check.

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Nikolay Britun
Nikolay Britun

Hello. I'm wondering is the POWER LAMPS other than 6H30Pi model can be used in the Little Dot mkIV SE amp ? Thank you in advance!

投稿日: 17/09/08 4:19

Hi Nikolay ,please let us know which tube you want to use.Thank you.

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Hi,  I just got your product: Little Dot MKIV Mk4 SE WE403AX2 6H30PIX2 Headphone Tube Amplifier + Pre-Amplifier.    Here is My order # 100015933.    When I check it, I find that the two large tubes are not located at the center, they almost directly contact the protecting rings, less than 1mmm, I think. I can send you those pictures. Please tell me how to do so if it's necessary?    My concerns are:  Could you please tell me whether it will damage the tubes when or after I plug in and turn it on?    and whether it will have any bad effects regarding the heat emission and lifespan of these two big tubes?  and most importantly, will this cause any bad effects on this MK 4SE amplifier for reaching its full function?    Currently, I do not dare to plug it in and turn it on till I get your kindly professional reply.    Thank you very much for your reply.    jiang deng

投稿日: 17/09/19 4:56

Hi jiang,please send the picture to [email protected] .Thank you

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Barry Grocott
Barry Grocott

How do I find the gain switches mk4 se

投稿日: 18/07/25 1:46

Hi, the gain switches is on the bottom of the device. Thanks!

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