atelier 13 audio
KORA TB400
To "tube" or not to "tube" ? ... that is the question.
But to "square-tube" ? … Just when you think that you have seen it all, Kora comes up with one heck of a new circuit ... and it is a Real Jewel
Kora TB400
Integrated Amplifier / Power Amplifier
General Features
Overall Dimension
H 168 x L 420 x P 450 mm
Chassis Size Only
H 150 x L 420 x P 420 mm
Unit Weight
23,6 kg
Manufacturer Warranty
5 years
Material
Aluminium & steel
Colour
Mineral grey
Accessories
Remote control, power supply cord, instruction manual
Construction and Design
Toulouse, Occitanie Region, France
Electronic Features
Power Source
CEI plug, 230 V AC, +7% ~ -10%
117 V AC on demand
Maximum power consumption (2 x 360 W/4Ω) : 1010 VA.
Maximum power consumption (2 x 200 W/8 Ω) : 610 W
Internal Power Supply
2 x (± 58 V DC)
Dual Mono Power Supply
Power Supply Transformer
2 x 500 VA
Additional voltages provided by 5 DC/DC modules
and two linear controllers.
Main Filtering
2 x 100 000 µF
High Voltage
+ 300 V stabilized - 200 V stabilized
Heating of the Inlet Tubes
2 x 12 V DC, Regulated and ground referenced voltages
Heating of the Outlet Tubes
2 x 12 V DC, Isolated DC regulated voltage
Power Output
2 x 200 W / 8 Ω
2 x 360 W / 4 Ω
Twenty complementary highly linear
«MOTOROLA®» power transistors
(225 W/15 A each)
Inputs
4 Line Inputs
Internal Impedance : 15 kΩ
Sensitivity: 1 V
Bandwidth
20 Hz - 20 000 Hz ± 1 dB
Internal Impedance
Output: < 0.08 Ω
$19,200