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Blue Robbie Tube Microphone Preamp

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10.00 LBS
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Product Description

Blue Robbie is Blue's new Class A discrete tube microphone and instrument preamp, incorporating all of the technical quality and design innovation that goes into Blue's award-winning microphones.


One of the quietest tube preamps ever!
With no ICs and only the highest quality discrete components, Robbie is one of the quietest (-131 dB EIN @ 50 ohms) and most detailed (THD 0.006%) tube preamps we've heard. It features audiophile-grade ultra low-noise metal film resistors and polystyrene capacitors, and provides you with the best of solid-state and tube technology: an electronically balanced, fully discrete input stage, a 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 an amazing 34dB headroom before clipping!

Super-simple controls with pad and phantom power
Robbie's front panel features only a large backlit potentiometer (gain) and 1/4" hi-Z instrument input. On the back of Robbie, you'll find the power cable input, power switch, balanced XLR mic input, balanced XLR line output, polarity switch, -20dB pad, input selector switch (mic/instrument), and phantom power on/off.

Unique design and shape but still rackable
Shortly after Robbie's arrival (on this planet), Blue created a special optional shelf for those who wish to rackmount the uniquely-shaped Robbie. Racked or not, Robbie is receiving rave reviews!


Number of Channels One

Inputs 1 x XLR Microphone
1 x 1/4" TS phone Instrument

Output 1 x XLR Line

Phantom Power Yes

Multi Function No

Gain Range 8dB to 68dB

Maximum Output Level +34dBu, 20Hz to 40kHz @ 10 kOhm

Frequency Response 10Hz to 100KHz, +/- 2dB

Noise -131dB EIN @ 60dB gain (10Hz to 30kHz, 50 Ohm source)

Dimensions (WxDxH) 8 1/2" x 8 1/4" x 5 1/4"

Weight Not specified by manufacturer

Specialties Class-A discrete tube microphone and instrument preamplifier

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