Black Magic 350 Monoblock Tube Power Amplifiers
Features
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350 watts into 8 ohm nominal, reactive, variable impedance, loudspeaker loads.
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Under 1-ohm capability
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Tubes
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12AX7 x 1
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12AT7 x 1
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6AL5 x 1 (part of DC Restorer circuit)
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Tung-Sol KT120 x 6
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Output Transformer
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Proprietary design with hand-wound, interleaved windings of copper and silver on a steel core; low leakage inductance, super wide band
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Controls
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Volume Control
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2-position Feedback Switch
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Four-function meter
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Bias setting (in conjunction with rear panel control)
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Tube Tester (tests at actual voltage and current conditions)
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Tube Matcher (cool, but not really necessary)
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VU Meter
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Rear Panel
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Power Switch
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IEC AC Input Socket
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Line Fuse
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Tube Fuse
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Recessed Tube Bias Control
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5-way binding post outputs
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Common, 2, 4, and 8-ohm speaker load
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XLR Input and gold-plated RCA Input
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Satin Black
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Convection cooling
Specifications
Rated Power:
350 watts/8 ohms nominal loudspeaker load
400 watts/4 ohms nominal loudspeaker load
400 watts/2 ohms nominal loudspeaker load
Frequency Response:
2 Hz to 85 kHz (–3 dB)
Distortion:
Less than 0.5%
Power Bandwidth:
24 Hz to 28 kHz without filters
Line Inputs:
2; XLR and RCA
Input Impedance:
100 K ohms (RCA)
Gain:
30 dB (8 ohms)
Tube Complement:
One 12AX7, one 12AT7,
one 6AL5, six KT120,
(KT150 not recommended)
Hum and Noise:
Better than 100 dB,
referred to 350 watts,
A-weighted
Bias:
Rear panel potentiometer adjust,
front panel meter
Feedback Control:
20 dB, Classic; 11 dB, Contemporary
Output Transformer:
Interleaved windings, super wideband, low leakage inductance, proprietary design
Source Impedance:
1.7 ohms
Speaker Outputs:
2, 4, and 8 ohms
Color:
Satin Black, chrome, gold.
Dimensions (H x W x D)
7.2” (183mm) X 12” (305mm)
x 14” (355,6mm) x 2
Weight:
44lbs (19.95 kg) per chassis x 2
Specifications subject to change without notice.
