Sophia Electric 91-03 300B Stereo Integrated Amplifier
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| Condition | |
| Payment methods |       |
| Ships from | Westport, CT, 06880 |
| Ships to | United States |
| Package dimensions | 19.0" × 23.0" × 15.0" (60.0 lbs.) |
| Shipping carrier | UPS |
| Shipping cost | Free |
| Original accessories | Box, Manual |
 Average | Research Pricing |
Sophia Electric 91-03 Stereo Integrated Amplifier. A wonderful SET amp! Comes with moderately used Sophia Princess mesh plate 300B tubes, brand new Sophia Grade A 6SN7 tubes and brand new Shuguang 5Z3 rectifier tubes. Recently serviced and recalibrated by factory.
CONUS only (buyer pays shipping). Paypal only (seller pays fees).
Design:8 watts output single ended 300b amplifier per channel with no negative feedback.OPT Transformers:Sophia Electric designed and in house made 91-03 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:450 mvInput Impedance:100KFrequency Range:12 Hz – 35 KHz +/- 3 dBResidual Noise/Hum:Super Quiet version: 0.9 mv
Standard version: 2.0 mvDistortion:-0.18% at 1 watts at 1KHzWeight60 poundsAC Power:120V60Hz (USA)
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