t.bone SCT 800
Cardioid Tube Condenser Microphone
The t.bone SCT 800 is an inexpensive tube microphone with a fixed Cardioid polar pattern.
Like most such mics, it uses a 32mm K67-style capsule and a circuit very similar to the Apex 460 (albeit without pattern control).
Unlike the Apex 460, the SCT 800 uses a single circuit board. It is a dual-layer board, likely with through-hole plating, which makes desoldering components (for modification) somewhat more difficult. The 12AX7 tube is socketed.
Its published specifications are unusual, if accurate: the mic’s claimed sensitivity is extremely high at 48mV/Pa, and its self-noise is extraordinarily low at 6.5dBA. The high sensitivity gives the mic relatively low headroom; its max SPL is just 112dB (1% THD).
The mic’s nominal polar pattern (measured at 1kHz) is wide cardioid, with no distinct null at 180°.
The mic ships with its power supply, cables, and an elastic shockmount in a padded flightcase.
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The mic was released in 2002.
Specifications
Pickup Patterns | Pads & Filters |
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Cardioid
(48 mV/Pa; 20 - 15,000 Hz) |
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Capsule Dimensions | Impedance | SPL/Noise |
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Diaphragm diameter: 25mm Capsule diameter: 32mm |
165 Ohms (Low) | Max SPL: 112 dB |
Weight | Length | Max Diameter | Interface(s) |
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600g (21.16oz) | 222mm (8.74'') | 55mm (2.17'') |
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Power Specifications |
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