Little Dot MK 9 Vacuum Tube Headphone Amplifier OCL SEPP Single-Ended Push Pull

Product Price: $603.85 USD

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  • Product Model: Model: MUIA9831783
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Little Dot MK 9 Vacuum Tube Headphone Amplifier OCL SEPP Single-Ended Push Pull Three Tubes
100% Brand New


All items guaranteed 100% BRAND NEW in the original edition Box.


The Little Dot MK 9 is a vacuum-tube based headphone amplifier and stereo pre-amplifier. It uses three tubes (front stage: 6N9P, post stage: 2x 6080) in a versatile SEPP (single ended push pull) OCL (output capacitor-less) in Class-A design that can power headphones of all impedance with unmatched purity of sound.
The output of this dynamic cathode output circuit provides high dynamic range without a hint of distortion (30Vp-p). Due to the lack of an output capacitor in the signal path, the warmth and tonal richness of tubes can shine though with absolute purity.
The Little Dot MK 9 can also be used as a pre-amp with all power amps as it incorporates a "zero servo" tracking circuit to ensure the the DC level is 0. There is also a relay protection circuit to protect your valuable headphones.
Leveraging the RCA 6080 tubes, the Little Dot MK 9 produces high large current output to power even very low impedance headphones to their full potential!

SEPP (Single-ended Push Pull) OCL (Output CapacitorLess) in Class-A
Front Tube: 6N9P
Rear Tubes: 2x RCA 6080 (Bias Voltage:22V Bias Current:65mA)
Single-ended: 2x RCA
Pre-Amp: 2x RCA
Single-ended: 1/4" (6.35mm) TRS Stereo jack
Frequency Response:
12Hz - 100KHz (-1dB)
Input Impedance: 50K ohms
Pre-Amplifier Output Impedance: 600 ohms
0.05 % (300 ohm, 80 mW)
Power Output:
300 mW per channel into 300/600 ohms
350 mW per channel into 120 ohms
250 mW per channel into 32 ohms
Power Consumption: 80 VA
Metric: 300mm (length) by 220mm (width) by 150mm (height)
Imperial: 11.8 inches (length) by 8.7 inches (width) by 5.9 inches (height)
Weight: 4 kg or 8.81 lbs
Available in either 110-120VAC or 220-240VAC
Power Cord Note: Little Dot amplifiers ships with a standard Type-B power cord (American 3-pin or U-ground) suitable for use in areas such as North America, Japan, Taiwan, etc. If your country's outlets use other power cord types (ex. Schuko) you will need to provide you own power cord. You likely have several spares around your home, as any standard power cord (like your computer's power cord) will work perfectly fine.

This product was added to our catalog on Monday 25 June, 2018.