Sophia Electric 91-01 300B Monoblock
Listing ID: lisajjf2 Classified
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| Condition | |
| Payment methods |       |
| Ships from | Fort lee, NJ, 07024 |
| Ships to | United States |
| Package dimensions | 24.0" × 15.0" × 10.0" (70.0 lbs.) |
| Shipping carriers | UPS or FedEx |
| Shipping cost | Log in to see price |
| Original accessories | Box, Manual |
 Average | Research Pricing |
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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