Mass Kobo Model 394 II Headphone Amplifier
This is Japanese engineering at its best. Handbuilt in Shizuoka, Japan, Masuda-san designs, builds, repairs to fully own his brand. A master in his own class, he gained recognition in building recording setups and journeyed to building amplification for his clients. This cult brand has earned top status in almost every HeadFi exhibits, known for clean amping and a classic signature sound that powers almost every headphone out there.
Depending on parts availability, Mass-Kobo builds to order and delivers between 6-8 weeks' time.
A solid block of with an A4 sized footprint (28x23x5cm), and hours of bliss in your listening.
Demo by request and appointment only.
Model : Full Balanced Stereo headphone amp
Input : Electronically Balanced = XLR3-31 , Unbalance = RCA
Output : Balance = XLR4-31 x 1 or XLR3-31 x 2(L,R) , Unbalance = φ6.3 TRS x 2(High or Low)
Input Impedance : 3.7kΩ (XLR)/ 12kΩ (RCA)
Reference Input Level : +4dBm (XLR)/ -10dBm (RCA)
Maximum Input Level : +25dBm (XLR)/ +10dBm (RCA)
Maximum Output Level
(P-P) : Balance = Hi 24V, Low 18V (with 32Ω loaded, 1kHz, THD+N 0.05%)Unbalance = Hi 12V, Low 9V (with 32Ω loaded, 1kHz, THD+N 0.05%)
(RMS): Balance = Hi 8.5V, Low 6V (with 32Ω loaded, 1kHz, THD+N 0.05%) Unbalance = Hi 4.2V, Low 3V (with 32Ω loaded, 1kHz, THD+N 0.05%)
Maximum Output without Distortion : Balance = 2.2W , Unbalance = 600mW (with 32 ohm load, 1kHz, THD+N 0.05%)
Frequency Characteristics : 13Hz - 100kHz (-0.5dB)
Power Supply : AC100 - 240V, 50/60Hz
Electric Energy Consumption : 0.5A (with AC100V)
285mmW x 230mmD x 50mmH (except the rubber feet and projections)
285mmW x 230mmD x 52mmH (including the rubber feet and projections)
Weight : 2.9kg (without the power cable)