What Makes It Special A "classic" tube headphone amp that has earned a solid reputation as a reliable workhouse that offers the ability to customize to the listener's desires Changeable tubes with an extensive community around comparing which tubes work the best for different preferences (see Head-Fi thread) Improved industrial design and appearance when compared to the MK3 Our ThoughtsThe Little Dot MK3, like the MK2 has been around for what feels like a long-time now and it is still considered one of the best tube headphone amps for its price. Its popularity can be seen through the extensive number of reviews and discussions around the MK2 and Little Dot products. In particular, there are and continue to be, extensive discussions around tube rolling and customization of the MK2.The Little Dot MK3 Tube Headphone Amp remains a solid choice as a tube headphone amp with a beautiful case and design.Included Little Dot MK3 Tube Headphone Amp Power Supply / AC Adapter (2) 5654 Tubes (2) 6H6PI Tubes Specs Chassis: High quality aluminum chassis Frequency response: 12 Hz - 100 kHz THD + N: 0.15% (80 mW @ 300 Ohms) Power output: 350 mW @ 300/600 Ohms, 300 mW @ 120 Ohms, 100 mW @ 32 Ohms Variable gain: 3, 4, 5, or 10x Recommended load impedance: 32 - 600 Ohms Input impedance: 50 kOhms Pre-amplifier output impedance: 600 Ohms Pre-amplifier gain: 3-10x Pre-amplifier voltage: 10 V RMS Power consumption: 30 W (228 V x 0.130 A) Dimensions: 10.6 x 6.9 x 4.8 in (270 x 175 x 123 mm) Weight: 6.6 lbs (3 kg)
