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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. Input:Gold-Plated Unbalanced Phono (RCA) Jacks
Output:1/4" Gold-Plated Stereo Headphone out
Frequency Response: 10HZ - 50KHz (-3 dB)
0.2%: 1Vrms AT 1000Hz
0.6%: 3Vrms AT 1000Hz
1.0%: 5Vrms AT 1000Hz
Suitable Headphone Impedance: 8 - 600 ohms
Input Impedance: 50K ohms
150mW AT 300 ohms
300mW AT 120 ohms
800mW AT 32 ohms
User variable gain settings: 6.5x or 3.25x
Power Consumption: 15VA
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