Blue Robbie Microphone Preamplifier

Product Features:

• Class-A Tube Mic Preamp
• Made from the highest quality, discrete components available
• Audiophile-grade ultra low noise metal film resistors
• Polystyrene capacitors
• 34dB headroom before clipping
• Also found as: robbiethepreamp, robbie the mic pre, robbie,
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

Specifications:

• Minimum Gain: 8dB
• Maximum Gain: 68dB
• Frequency Response (+ / - 2 dB ): 10Hz - 100kHz
• Noise @ 60 dB gain (10 Hz – 30 kHz, 50½ source): -131dB EIN
• Noise @ 60 dB gain (10 Hz – 30 kHz, 150½ source): -129 EIN
• THD + Noise @ 60 dB gain (10 Hz – 20 kHz, +22 dBu output): <0.006%
• Phase Response @ 60dB gain (50 Hz – 20 kHz, +22 dBu output): <5°
• Common Mode Rejection Ratio (50 Hz – 20 kHz, 100 mV input): 60dB gain > 64dB; 30dB gain > 75dB
• Maximum Input Level (8 dB Gain, 20 Hz - 20 kHz): +22dBu w/o pad
• Maximum Output Level (20 Hz – 40 kHz @ 10 k½): +34dBu
• Mic Input Impedance (20Hz - 20kHz): 5 k ohm (2 x 2,500 ohm)
• Hi-Z Input Impedance: 1 M ohm
• Output Impedance: 50 ohm (2 x 25 ohm)
• Phantom Power: +48VDC, ± 1.5VDC
• Power Consumption: 8W
• Power Requirements: 115/230VAC, 50/60Hz
• Dimensions: 8-1/2"W x 8-1/4"D x 5-1/4"H
• Weight: 7 lbs.