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Little Dot MK9 is that uses an electronic tube as a headphone amplifier. It uses 3 tubes (before 6N9P, after class: 6080*2) were used as two stereos left and right channel amplifiers. The input signal is the audio signal from the CD player or decoder, an amplified output signal used to drive headphones. The machine also has a road as an RCA signal output by the first stage, supply another amplifier as before use. Â
Features:
MK9 uses tube amplification circuit in the electronic is relatively rare in the SEPP single-ended push-pull, OCL no output capacitor direct coupled power amplifier circuit.
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, more solid, soprano Alto 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 United States of America RCA company 50 years Antique Tube (ONS), is one of the best sound similar tube in the world.
Technical Parameters:
Main technical parameters:
Input terminal: a group of RCA
Output terminal: A group of A. RCA (pre amplifier with); B. a 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
Size: 300 (deep) X220 (W) X150 (high) mm
Weight: 4 Kg Â
We accept order cancellation before Within 24 hours the product is shipped. If the order is cancelled you will get a full refund.
If for any reason you are not satisfied with the purchased item,You have 30 days after delivery of your order to return an item.
After 30 days of delivery of your order, we will no longer accept returns.
To request a return,please email us at:[email protected] ,We will respond within 24 hours after
the consumer sends the email (except weekends).
If it is a quality issue, please
provide an order number and attach clear photos of the items that represent the
issue.
After we receive the returned order, our Quality Assurance department will
inspect and verify the condition of the item.Upon acceptance of your return, a refund
will be issued to the original form of payment within 3-7 business days.
Items returned without authorization will not be accepted.
The time frame for return
must not exceed 30 days from when the original order was received.
Any promotional
gifts must also be returned with your returned item.
All items must be returned in
their original condition, without scratches or signs of wear, and must not be resized or
altered in any way.
Your return needs to be sent within the given time frame(7-10
working days)
Please make sure you provide us the tracking# and receipt after you
return.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, we will credit the credit limit to your credit card or original payment method within 7 business days (bank processing time frame).
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