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An affordable channel strip with hand-tested tube preamp and opto compressor. |
The single-channel SM Pro Audio TC01 Class A tube preamplifier offers selectable phantom power, switchable phase reversal, adjustable -20dB PAD, and an adjustable in-line optical compressor. It has a hand-tested 12AX7 tube TC-series and input gain control all protected by a sturdy metal housing.
SM Pro Audio TC01 Single Channel Tube Preamp Features:
- Hand tested 12AX7 Tube
- Saturation: 10% @ 30dB
- CLASS A transformerless high-voltage signal path
- Switchable phantom power
- Switchable phase reversal
- Level display: Volume meter -20 dBu to +3 dBu
- Adjustable optical compressor
- 110V - 220V external power pack
- Input gain control
- Switchable -20dB Pad
- Housing: Metal
SM Pro Audio TC01 Single Channel Tube Preamp Specifications:
- Audio Inputs
- Mic input connector: XLR balanced
- Impedance: 3k Ohms
- Mic input gain: 10dB to 60dB
- Phase reversal: switchable
- Phantom power: + 48V, switchable
- Instrument input con.: 1/4" jack unbalanced
- Instrument input gain: 0dB to 45dB
Audio Outputs
- Connectors: XLR & 1/4" jack
- Type: Balanced & Unbalanced
Amplitube Frequency Response
- Line in: 6Hz to 20Hz within 1dB
- Mic in: 8Hz to 20Hz within 2.5dB
Compressor
- Photoresistive servo operated
- Ratio: 5:1
- Attack: 1ms - 100ms
- Release 0.1s - 3s
Filter
- Shelving filter at 80Hz
- Slope: 16dB
Meter
- VU meter: -20dBu ±3dBu
Performance
- THD (Unweighted): 0.05%
- Signal to noise: > 90dB
- Power supply rejection: > 98dB
Power Supply
- Transformer External
- Input 17v AC