MK 9


  • Frequency response: 12HZ—100KHZ (-1dB)
  • Distortion: 0.05% (300 ohm, 80 mW)
  • Tubes: 6N9P x1 6080 x2
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Little Dot MK9 uses 3 tubes; the pre-amp tube: 6N9P, and the power-amp tubes: 6080*2. The input signal is the audio signal from the CD player or DAC, an amplified output signal used to drive headphones. You can also use the MK 9 as pre-amp, just use its RCA connection to connect a power amp.

The circuit output dynamic than the cathode output generally large (undistorted swing: 30Vp-p), due to the cancellation of the output capacitance, low frequency response can dive deeper and it provides solid bass, and mid can be more transparent.

But in order to make the circuit in the case of direct coupled DC level is zero, need symmetrical supply complex. In order to stabilize the operation of the circuit, and the machine also adopts a “zero servo tracking circuit”. In order to ensure the safety of the output load, relay protection circuit and output protection special chip.

The machine output tube uses a new production of the RCA company 50 years antique tube (NOS), is one of the best tubes in the world.

Technical Parameters:
Input terminal: RCA
Output terminal:RCA (pre amplifier with); 6.35 earphone socket.
Frequency response: 12HZ—100KHZ (-1dB)
Distortion: 0.05% (300 ohm, 80 mW)
The maximum output power of :A. 300 mw (600/300 ohm);B. 350 mw ( 120 ohm);C. 250 MW (32 Ohm)
Output impedance: 32 ohm – 600 ohm
Voltage: 110V or 220V (user specified)
Power consumption: 80 VA

Additional information

Weight 4 kg
Dimensions 39 × 22 × 15 cm


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