SM Pro TB202 Dual Valve Mic Pre Amp
The “Red Valve” series TB202 valve mic pre-amp is a twin channel valve mic preamplifier that features switchable phantom power, phase reverse, -20dB Pad, optical compressor, and fully functional EQ all housed together in a single 1U rack mount sized chassis.
Tailored use in the home project studio, the “Red Valve” TB202 is perfectly suited for use as front end mic inputs for your digital recorder or any other application requiring mic preamplification.
Performance:THD + Noise (un-weighted):0.05%@0dB Tube, Drive:10%@30dB Tube Drive
Input Impedance:XLR: 5k ohms 5k Ohms, ¼ ” High Z: 1Meg ohms
Output Impedance: XLR Balanced: 51 ohms, ¼” TRS Unbalanced: 51 ohms
Panel Controls: Gain: Gain: (Mic) 10dB to +60dB, (Instrument) 10dB to 45dB, 20dB pad, Phase Reverse,+ 48V Phantom Power
Metering:8 Segmented LED: -25dBu to +18dBu
Power Supply:Type: Linear Supply, Switchable:110V / 220V, Input:17 VAC / 1000mA
FEATURES
- Hand tested 12AX7 series tube
- Main volume control
- CLASS A Transformless high voltage signal path
- Feed impedance: XLR: 5 kOhm, 6.3 mm of handle: 1 mega ohm
- Switchable Phantom Power
- Output impedance: XLR: 51 ohms, 6.3 mm of handle: 51 ohms
- Switchable Phase reversal
- Gain: (Mic) 10dB to +60dB, (Instrument) 10dB to 45dB
- Optical Compressor
- Level announcement: for each channel 8 signal LED: -25 dBu to +18 dBu
- EQ circuitry
- 110 V – 220 V external power pack
- Input gain control
- Size : 1U Rack
- -20dB pad
- Housing: Metal