Little Dot MKII Tube Headphone Amp
Little Dot MKII Tube Headphone Amp

Made for Modding

A great introduction to the world of tube headphone amplifiers, the Little Dot MKII is ideal for pairing with a desktop amp and can also function as a preamp to your speakers. It uses a single-ended push-pull OTL circuit operating in Class A, and delivers plenty of headroom and dynamic impact, along with a touch of tube warmth and tonal richness. While its high voltage swing is best suited for high-impedance headphones, the MKII can be fine-tuned to any cans you have—from 32 ohms all the way up to 600 ohms—using its multiple gain settings. Best of all, you get to experiment with tube rolling to achieve your desired sound signature. At the factory jumper setting, this amp can roll 6JI, WE403A/B, GE5654, M8100, CV4010, EF95, and other tubes. With its jumper pins shortened, you can roll EF92, CV131, and all equivalents and drop-in replacements.

Note: At checkout, choose between power sources 110V and 220V. Additionally, you’ll have your choice of driver tubes: 6JI (base price), Jan 5654 (+ $20), or CV4010 (+ $45). For a guide on rolling tubes with the Little Dot series, visit this Head-Fi discussion.

Little Dot MKII Tube Headphone Amp
Little Dot MKII Tube Headphone Amp
Little Dot MKII Tube Headphone Amp
Little Dot MKII Tube Headphone Amp

Specs

  • Little Dot
  • SEPP OTL in Class A
  • Input: Gold-plated unbalanced phono (RCA) jacks
  • Output: ¼ in gold-plated stereo headphone out
  • Driver tubes: 6JI (default)
  • Power tubes: 6N6
  • Frequency response: 20 Hz – 50 kHz (-1 dB)
  • THD+N: 0.1% (50 mW into 300 ohms)
  • Suitable headphone impedance: 32 – 600 ohms
  • Input impedance: 50 kohms
  • Preamplifer output impedance: 600 ohms
  • Preamplifer gain: 3 – 10x (also controlled via gain switches)
  • Preamplifer voltage: 10 V RMS
  • Maximum input voltage: 4 V RMS
  • Preamplification circuit includes both driver and power tubes
  • Power output: 300 mW into 300 ohms, 200 mW into 120 ohms, 100 mW into 32 ohms
  • Power consumption: 28 W (228 V x 0.12 4A)
  • Dimensions: 8.3 x 4.3 x 4.2 in (21 x 11 x 13 cm)
  • Weight: 5.5 lbs (2.5 kg)

Shipping

All orders will be shipped by Massdrop.

Estimated ship date is Jan 3, 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.

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