Little Dot I+ Hybrid Headphone Amplifier

130.80 $
Mubiz is not yet open in Chine.

Product Product

physical good
fixed price

Terms and conditions Terms and conditions

Unless specified otherwise, we will ship you the Little Dot voltage model appropriate for use in your shipping destination country. The two options are 110-120V and 220-240V.


You can request a return for refund within 30 days of receipt of item. Please note that shipping costs are non-refundable.

Description Description

The Little Dot I+ is a hybrid transistor-vacuum tube headphone amplifier which combines the smooth, musical sound of tubes with the high output current of transistors. 

The vacuum tube stage is run in Class-A, the MC33078 operational amplifier (socketed) provides voltage amplification, and BD139/BD140 transistors serve as output buffers. 

The Little Dot I+ is specifically designed and optimized for driving low impedance headphones that require high current to perform to their full potential. 

Depending on how the switches are configured, three different families of vacuum tubes can be used (EF95, EF92, and 408A). With two gain settings and DIP switches for vacuum tube rolling, the Little Dot I+ offers versatility and incredible sound quality in a tiny footprint!

Technical Specifications:

  • Input: Gold-Plated Unbalanced Phono (RCA) Jacks
  • Output: 1/4' Gold-Plated Stereo Headphone out
  • Included tubes: 2x 6JI
  • Frequency Response: 10HZ - 50KHz (-3 dB)
  • THD+N:
  • 0.2%: 1Vrms @ 1000Hz
  • 0.6%: 3Vrms @ 1000Hz
  • 1.0%: 5Vrms @ 1000Hz
  • Signal-to-Noise: 92dB
  • Suitable Headphone Impedance: 8 - 600 ohms
  • Input Impedance: 50K ohms
  • Power Output:
  • 150mW @ 300 ohms
  • 300mW @ 120 ohms
  • 800mW @ 32 ohms
  • User variable gain settings: 6.5x or 3.25x
  • Power Consumption: 15VA
  • Measurements:
  • Metric: 180mm (L) by 97mm (W) by 100mm (H)
  • English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H)
  • Weight: 1.5 kg or 3.3 lbs.
  • Available in Black
  • Available in either 120VAC or 220VAC
  • 1 Year Little Dot Warranty




2-3 Business Days
International delivery delayInternational delivery delay : 4-7 Business Days
90.00 $
Domestic delivery delayDomestic delivery delay 1-3 Business Days
10.00 $

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