Presentamos la amplificación más potente de la firma estadounidense Bob Carver, nos referimos a sus etapas monofónicas, modelo Black Beauty 305.
Desarrolla 305W a 8 Ohm por canal, utilizando como válvula de potencia seis unidades de KT120 por cada etapa, por cierto modelo últimamente empleado por numerosas compañías de renombre.
Especificaciones:
| Number of Line Inputs: | 1 |
| Input impedance: | 100 k ohms |
| Input Stage: | 12AX7 current sourced low noise valve |
| Pre-driver Stage: | 12AT7 long tailed high gain balanced pair |
| Automatic DC Restoration: | 6AL5 |
| Nominal Voltage Gain: | 30 dB (into 8 ohms) |
| Output Stage Configuration: | 3 complementary Sets of KT120s in a push pull configuration (6 total) |
| Regulated Screen Supply Voltage: | 390V |
| Output tube plate voltage: | 785V |
| Output Tube Idle Power: | Less than 14W each |
| Bias Adjustment: | Rear panel pot, front panel meter, «Set and Forget» |
| Rated Power: | 305 watts into 8 ohms, 330 watts into four ohms, 290 watts into two ohms |
| Noise: | Better than 110 dB A Weighted referenced into 305 watts |
| Hum: | -100 dB |
| Frequency Response: | 2 Hz to 85 kHz. (-3dB) |
| Full Power Bandwidth: | 24 Hz to 28 kHz. Without filters |
| Feedback Control Switch: | 20dB for Classic Amplifier Sound, 11 dB for Contemporary Amplifier Sound |
| Distortion: | Less than 0.5% |
| Output Transformer: | Interleaved windings, super wideband low leakage inductance design |
| Output Impedance: | 1.6 ohms |
| Speaker outputs: | 2, 4, and 8 ohm terminals |
| Built in Output Tube Tester: | Yes |
| Construction Method: | Point-to-Point hand wired axial and radial leaded components with star grounds and no circuit board traces or de-plugable connectors. |
| Components: | High reliability wire wound and metal film resistors, Metal polyester capacitors in the audio signal paths |
| Weight: | 43 lbs per chassis |
| Dimensions: | 14″ deep x 12″ wide x 7.2″ tall |
| Color: | Gloss Black with a silver fleck and brushed silver trim is standard or optional Cherry Red with Champagne colored trim. |
| Country of Origin: | United States of America |
| Warranty: | Chassis – 7 Years, Tubes – 1 Year |
