MK-8SE Fully Balanced Class A Vacuum Tube Headphone Amplifier 2×12AT7 4×6H30PI XLR Input & Preamp Output Dual-Mono OC

LITTLEDOT MK8 SE

Fully balanced vacuum tube headphone amplifier

MK8SE is a pure vacuum tube fully balanced/unbalanced compatible headphone amplifier:

It
is characterized by a high signal-to-noise ratio and a large dynamic
range (with an undistorted output swing of up to 60vp-p under 300 ohms),
the input stage uses a dual triode 12AT7, and the final output stage
uses low internal resistance and high linearity. Military
dual-transistor 6H30P, so that enough output power is obtained, and by
changing the GAIN switch of the whole machine, the requirements of
different impedance and different sensitivity earphones can be taken
into account at the same time. This machine adopts the OCL circuit
structure without output capacitor, and adopts the high voltage OP as
the midpoint servo control, which not only improves the low frequency
control force, but also ensures the stability of the circuit. The
machine also has a midpoint offset protection circuit, which further
improves the reliability of the whole machine

Uncompromising
accessory standard is only for the real fever experience. The balanced
input and output sockets of this machine adopt Swiss niutrik XLR socket
with locking, ensuring good electrical contact and durability. The
volume control of this machine adopts Japanese Alps potentiometer; The
resistance of key parts adopts American Dale precision resistance; The
capacitor adopts famous brands such as German NIMA / ero / chem|- com,
and the mk8se capacitor adopts fully balanced OCL circuit. It has a good
sound field, rich high-frequency details, faithful if reduction, stable
low-frequency control and clear sense of hierarchy. In addition, in
addition to driving headphones, it can also be used as a fully balanced
vacuum tube front-stage amplifier to promote the rear-stage power with
balanced input

Darameter

Input terminal:

XLR 3p x2

RCA X2

Output terminal:

XLR 4pX1 (headphone output)

6.35X1

XLR 3PX2 (headphone output or pre-output

Distortion:

0.01% (output: 2V rms 1000Hz)

0.3% (output: 10V rms 1000Hz)

0.2% (output: 20V rms 1000Hz)

Signal to noise ratio: 96db

Frequency response

5Hz——-80KHz (-3db)

10Hz——-30KHz (-1db)

Output Power

2W (600 ohm) 1W (300 ohm)

Magnification: GAIN=HIGH: 6

GAIN=LOW: 3

Power consumption: 110VA

Volume: 350x290x140(h)m

Weight: 9.6Kg