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Little Dot I+ Headphone Amp

Little Dot I+ Headphone Amp

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Made for Modding

An impressive hybrid headphone amplifier for the price, the Little Dot I+ combines the smooth, musical sound of vacuum tubes with the high output current of transistors. It’s specifically designed to drive low-impedance headphones that require a high current to perform to their full potential. Plus, this compact amp is a modder’s dream. Depending on how the DIP switches are configured, three different families of vacuum tubes—EF95, EF92, and 408A—can be used to achieve your desired sound signature.

To learn more about the Little Dot I+, check out this Truly Gadgets review.

To read up on vacuum tube and opamp rolling with Little Dot amps, join this Head-Fi discussion.

Note: At checkout, you’ll have your choice between the 120VAC or 220VAC models. This drop’s base price is for the Little Dot I+ with 6JI tubes, which you can upgrade to the 6CQ6 (+ $13) or WE408 (+ $28). Please note the tubes you receive may differ in appearance from those pictured on this page.

Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp
Little Dot I+ Headphone Amp

Specs

  • Little Dot
  • Input: Gold-plated unbalanced phono (RCA) jacks
  • Output: ¼ in (0.6 cm) gold-plated stereo headphone out
  • Tubes: 6JI, class A
  • Transistors: BD139/BD140
  • Operational amplifier: MC33078
  • Frequency response: 10 Hz – 50 kHz (-3 dB)
  • THD + N, 0.2%: 1 Vrms at 1 kHz
  • THD + N, 0.6%: 3 Vrms at 1 kHz
  • THD + N, 1%: 5 Vrms at 1 kHz
  • SIgnal-to-noise ratio: 92 dB
  • Headphone impedance: 8 – 600 ohm
  • Input impedance: 50 kohm
  • Power output: 150 mW at 300 ohm, 300 mW at 120 ohm, 800 mW at 32 ohm
  • User variable gain settings: 6.5x or 3.25x
  • Power consumption: 15 VA
  • Dimensions: 7.1 x 3.8 x 3.9 in (18 x 9.7 x 10 cm)
  • Weight: 3.3 lb (1.5 kg)

Included

  • Power cord
  • Set of RCA cables

Shipping

All orders will be shipped by Massdrop.

Estimated ship date is July 18, 2018 PT.

After the drop ends, payment will be collected. To deliver the best value to the group the request will then be submitted to the vendor up front, making all sales final. Be sure to check the discussion page for updates.