You can view this wonderful design by MR Y Fujita in The SHOW 2016
TU-8340 (Prototype)
EL34/KT120/KT150 Push-Pull (Class -AB) Stereo Power Amplifier
Price :TBA Made in Japan
Designer : Mr. Y. Fujita
SPECIFICATIONS (Pre-production)
VACUUM TUBE Stock tube set: 4 X EL34(6Ca7), 4 X 5965A (or 12AT7)
You can also use :6L6GC,KT88, KT120 or KT150
OUTPUT STAGE - Output stage can be configured in a multiple
modes. Select from Ultra-linear or Triode
mode by switching at the back.
RATED OUTPUT (THD10%)
(both 8 ohm loaded)
- EL34 (UL) 41W + 41W (input voltage 485mV)
- EL34 (Tri) 21W + 21W (input voltage 400mV)
- 6L6GC (UL)) 28W + 28W (input voltage440mV)
- 6L6GC (Tri) 18W + 18W (input voltage 370mV)
- KT88 (UL)) 41W + 41W (input voltage 500mV)
- KT88 (Tri) 22W + 22W (input voltage 500mV)
- KT150 (UL)) 47.5W+ 47.5W (input V. 525mV)
- KT150 (TRI)) 47.5W+ 47.5W (input V. 480mV)
SN ratio - EL34(UL Connection): 105dB
RESIDUAL NOISE (IHF-A) - EL34 (UL Connection ):100μV rms
FREQUENCY RESPONSE - 10Hz - 100kHz (-3dB)
SPEAKER IMPEDANCE
INPUT TERMINAL -
OUTPUT TERMINAL - Gold plated screw type speaker output terminal (4-6.3ohm, 8-16 ohm : Switching)
AC POWER INPUT - 3P INLET (IEC320)
- Selectable upon assembly, there are 3 voltage
options:100V AC, 115 (110~120V)V AC, 200V
AC or 230V (220~240)V
POWER CONSUMPTION - EL34 No signal 125W
- EL34 Max. output 160W
- 6L6GC No signal 110W
- 6L6GC Max. output 145W
- KT88 No signal 105W
- KT88 Max. output 175W
- KT 150 No signal 140W
- KT150 Max output 185W
WEIGHT- including the punching cover - 16.8KG (excluding the AC power cord)
DIMENSIONS - W450mm x H200mm x D338mm
(including projections)
