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Cayin HA-300MK2 Offers Highly Refined Elegance in Sound and Design
DHT Amplification provides tube goodness with a clean linear output
Delivers up to 6W for headphones and 8W for speakers with it's dual outputs
Flexible inputs and outputs, with adjustable impedance let you use HA-300MK2 with a variety of setups
The Pursuit of Direct Heated Triode (DHT) Perfection
DHT refers to triode tubes that use the cathode as the filament and heat up the cathode directly. This simple approach offers stellar dynamics, excellent representation of transients, and a transparent presentation. Using this design for headphones is even more challenging because DHT designs are sensitive to shock, vibration, and electrical inference.
The Irresistible 300B
HA-300MK2 uses a matched pair of Golden Lion PX300B low-noise audio triodes, which are renowned for their dreamy tonal characteristics, as its power output tubes. Each tube used by Cayin is tested for reliability, natural sound signature, and frequency extension.
Less is More
HA-300MK2 is a Single-Ended Triode Amplifier (SET) which uses a single vacuum tube to amplify the signal. Combined with a 2-stage amplification design, this provides a clear, linear amplification.
New Old Stock (NOS) Rectifier Tubes
HA-300MK2 uses 4x NOS RCA 22DE4, one of the best versions of the 22DE4 available. The rectifier stage converts incoming power to DC current, and Cayin's design offers clean power with minimum interference.
Speaker Output
HA-300MK2 also functions are a speaker amp, with a 8W per channel Class A output. You can connect speakers and seamlessly switch between headphones and speaker output.
Key Features
Impedance Matched Headphone Output: choose from Low, Medium, or High impedance to match your headphones
Optimized Headphone Outputs: the 4-pin XLR will provide the maximum power while the 4.4mm output allows for compatibility with high-end IEMs and more sensitive options.
60 second start up delay circuit: Protects your tubes and minimizes noise related to the warm up cycle of the amplifier
Specifications
Tubes:
Power: Genalex PX300Bx2
Drive: Tung-Sol 6SN7GTBx2
Rectifier: RCA 22DE4x4
Analog Inputs
RCAx2
XLRx2
Output Power
3.5mm Single Ended: 1200mW (L), 2200mW (M), 5000mW (H)
4.4mm Balanced: 1400mW (L), 2200mW (M), 5400mW (H)
Balanced/Ultra-Linear: 2000mW (L), 2400mW (M), 6000mW (H)
Speakers: 8W per channel
THD: <1%
SNR: 100dB
Weight (Amplifier): 19kg
Weight (Power Supply): 12kg
Dimensions (Amplifier): 286mm x 368mm x 210mm
Dimensions (Power Supply): 150mm x 345mm x 210mm
Power Consumption: 185W
In the Box
HA-300MK2 Amplifier
Power Supply
Tubes
Power Cable
User Manual
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