"Expressionist" - This is the one that has the extraordinary ability to give people impressive presentation. B-1000f that has been developed as a memorial model for 80th anniversary of our foundation is equipped with the super regulation transformer on which a flat-type copper coil is mounted uncovered and can provide enormous output of 2000 watts/1 ohm (momentary maximum) capable of responding to all types of speaker loads in order to express all of "Dynamism", "Delicacy", and "Richness" in a superior level. We have developed 4x4 structured ODNF version 2.3 that consists of 4 modules of 3-stage Darlington 4-parallel push-pull output circuit as a feedback circuit for high quality sound. B1000f is our flagship model that has been accomplished by pursuing ultimate quality with our know-how and large amount of resources and by eliminating compromise at all for improvement of sound quality as a result of comprehensively compiling commitment to "Sound" and technologies for as long as 80 years.


Continuous power output 250W (8Ω)/500W (4Ω)
Maximum output 1,000W (2Ω)/2,000W (1Ω)
Input sensitivity 1 V/250W (8Ω)
Input impedance unbalance/51kΩ, balance/67kΩ
Total harmonic distortion rate 0.007%/1kHz 250W (8Ω)
Frequency response DC-150kHz (+0, -3.0dB)
S/N ratio 118dB (IHF-A)
Power consumption 439W (Electrical Appliance and Material Safety Law), 
232W (under no signal), 
0.7W (at standby)
Outside dimensions 428 (W) x 295 (H) x 592 (D) mm
Weight 64.0kg

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