Sophia Electric91-01 300B MonoblockusedSophia Electric 91-01 300B MonoblockGreat sounding pair of 300B 9W monoblocks. Purchased from Richard at Sophia Electric in April '21. I removed the gold logo on the front and finished the front in American walnut veneer to fit my in...3450.00

Sophia Electric 91-01 300B Monoblock [Expired]


no longer for sale

Great sounding pair of 300B 9W monoblocks. Purchased from Richard at Sophia Electric in April '21. I removed the gold logo on the front and finished the front in American walnut veneer to fit my interior better. All original packaging and shipping boxes. About 50 hours on these. 

 

Design: 9 watts output single ended 300b amplifier per mono-block with no negative feedback.
OPT Transformers: Sophia Electric designed and in house made output transformers featuring mixed vintage (WE) core and modern high tech core for sound and ultra specifications. Pure OFC copper wires are being used. Potted.
Power transformers: Using the same high end core materials and winding method, one 220W power transformer per channel for AC consumption of 75w per channel x 2.
Input Sensitivity: 500 mv
Input Impedance: 200K
Frequency Range: 12 Hz - 35 KHz +/- 3 dB
Residual Noise/Hum: Standard version: 2.0 mv
Distortion: -0.18% at 1 watts at 1KHz
Weight 35 pounds per channel
AC Power: 120V60Hz (USA)
Required break in time: 50-100 hours

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