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Blue Robbie Microphone Preamplifier

Class-A Tube Microphone and Instrument Preamplifier

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$999.99

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The Blue Robbie Class-A Mic Preamp:

Simplicity of design. Purity of sound. Robbie is Blue's Class-A discrete tube microphone and instrument preamplifier. All of the technical quality and design innovation that goes into our line of award-winning microphones has been engineered into making Robbie the finest tube preamp available today. With no ICs and only the highest-quality discrete components from input to output, Robbie is one of the quietest (-131 dB EIN @ 50 ohms) and most detailed (THD 0.006%) tube preamps available today.

It features audiophile-grade ultra low noise metal film resistors and polystyrene capacitors, and provides the user with the best of both worlds: an electronically-balanced, fully discrete input stage, tube gain stage (ECC88 twin triode), and an electronically-balanced solid-state output stage. There is no switching crossover distortion anywhere in the completely balanced audio signal path. And if that's not enough, Robbie achieves and amazing 34dB headroom before clipping! Designed from the ground up, this limited production mic pre is like nothing else commercially available today.

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, 50 source): -131dB EIN
  • Noise @ 60 dB gain (10 Hz 30 kHz, 150 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 k): +34dBu
  • Mic Input Impedance (20Hz - 20kHz): 5 k ohms (2 x 2,500 ohms)
  • Hi-Z Input Impedance: 1 M ohms
  • Output Impedance: 50 ohms (2 x 25 ohms)
  • 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.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

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Product Summary

Manufacturer

Model Number

Robbie

Weight

7.00lbs

Internal SKU

robbie

Internal Product ID

45185

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Blue Robbie Microphone Preamplifier