Bob Carver Black Magic 20 (VTA20S)

SPECIFICATIONS

Number of Line Inputs: 1
Input impedance: 100 k ohms
Input Stage: 12AX7B current sourced low noise valve
Automatic DC Restoration: YES
Nominal Voltage Gain: 26 dB (into 8 ohms)
Output Stage Configuration: 1 complementary set of EL84M’s per channel
Regulated Screen Supply Voltage: 340V
Output tube plate voltage: 408V
Output Tube Idle Power: 10.6W
Rated Power: 20 watts per channel in stereo or 40 watts in mono
Noise: Better than 100dB A weighted referenced into 20 watts
Hum: -100 dB
Frequency Response: 8 Hz to 40 kHz (-3dB)
Full Power Bandwidth: 26 Hz to 43 kHz without filters
Distortion: Less than 0.5%
Output Transformer: Interleaved windings, super wideband low leakage inductance design
Output Impedance: 1.5 ohms
Speaker outputs: 4-16 ohms each channel
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: 19 lbs
Dimensions: 13” wide x 9” deep x 7” high,
Color: Black with silver fleck and brushed silver trim
Country of Origin: United States of America
Warranty: Amps 7 Years, Tubes 1 Year