Little Dot MK II is a SEPP (single-ended push pull) OTL Class-A amplifier, it has good sound quality, dynamic range and low distortion. It's also provides gain control of 3, 5, and 10 via internal DIP switches for fine-tuning so you can maximize synergy with almost any headphone you have, whether it be 32 ohms or 600! It's also gives user to enjoy tube-rolling, you can stick with the original 6JI, or you could swap with WE403A/B, GE5654, M8100, CV4010, EF95, and etc. At its factory jumper setting, and with jumper pins shorted, EF92, CV131, and all equivalents and drop-in replacements!
Review:
Review of Little Dot MKII: Little Dot MK II Review @ Head-Fi
Technical Specifications
- SEPP (Singled-ended Push Pull) OTL in Class-A
- Input: Gold-Plated Unbalanced Phono (RCA) Jacks
- Output: 1/4″ Gold-Plated Stereo Headphone out
- Driver Tubes: 6JI
- Power Tubes: 6N6
- Frequency Response: 20HZ – 50KHz (-1dB)
- THD+N: 0.1% (50mW into 300 ohms)
- Suitable Headphone Impedance: 32 – 600 ohms
- Input Impedance: 50K ohms
- Pre-Amplifier Output Impedance: 600 ohms
- Pre-Amplifier Gain: 3-10x (also controlled via gain switches)
- Pre-Amplifier Voltage: 10V RMS