Features
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All vacuum-tube design
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Lo-Z input position for superior performance with transformerless microphones
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Phase (polarity) reverse switch
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+48 volt phantom power (completely disconnected when off)
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Integrated, switchable 43 dB pad for Line Level processing
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Custom-design Jensen input and output transformers
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20 dB input pad (switchable)
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True VU meters (amplifier isolated)
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All point-to-point audio wiring
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Gold input and output XLR connectors
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Polypropylene and polystyrene coupling capacitors
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All audio switching through gold-contact, sealed precision relays
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International operation on 100, 120, or 220 VAC, 50/60 Hz
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CE certified, RoHS-compliant
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+4 dBm output
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Conservatively rated precision components and rugged construction for stability and long life
Specifications
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Input 150 ohms
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Input Load Impedance 1.5k ohms
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Minimum Input Level -65 dBm nominal
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Maximum Input Level @ 20 cps -30 dBm without pad, -5 dBm with 20 dB pad
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Gain 53 dB
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Frequency Response +/-0.25 dB 20 cps to 20 kc; -3 dB @ 0.5 cps and 55 kc
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THD+Noise less than 0.25% 20 cps to 20 kc
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Intermodulation Distortion SMPTE less than 0.02%
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Signal to Noise Ratio 74 dB minimum
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Equivalent Input Noise -124 dBm maximum
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Output low-Z, transformer-balanced
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Maximum Output Level +22 dBm, 20k ohm load
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Power Requirements 100, 120, or 220 VAC, 50/60 Hz
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Dimensions 19” (48.26cm) W, 5.25” (13.34cm) H, 14” (35.56cm) D