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Blue Robbie Mic Preamp
Product Description for the Blue Robbie 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.
Robbie is a Class-A discrete tube microphone and instrument preamplifier. With no ICs and only the highest-quality discrete components from input to output, Robbie is one of the quietest (-131 dB EIN @ 50Ω) 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!
Elegance and simplicity are the driving forces behind our design philosophy. Robbie is no exception. The front panel features only a large backlit potentiometer (gain) and 1⁄4 hi-Z instrument input. On the back, you’ll find the power cable input, power switch, balanced XLR mic input, balanced XLR line output, polarity switch, -20 dB pad, input selector switch (mic/instrument) and phantom power on/off.
Features
- Minimum Gain: 8 Db
- Maximum Gain: 68 Db
- Frequency Response (+ / - 2 Db ): 10Hz – 100Khz
- Noise @ 60 Db Gain (10 Hz – 30 Khz, 50Ω Source): -131 Db Ein
- Noise @ 60 Db Gain (10 Hz – 30 Khz, 150Ω Source): -129 Db 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 > 75 Db
- Maximum Input Level (8 Db Gain, 20 Hz - 20 Khz): +22 Dbu W/o Pad
- Maximum Output Level (20 Hz – 40 Khz @ 10 Kω): +34 Dbu
- Mic Input Impedance (20Hz - 20Khz): 5Kω (2X 2,5Kω)
- Hi-Z Input Impedance: 1Mω
- Output Impedance: 50Ω (2X25Ω)
- Phantom Power: +48 Vdc, +/-1.5 Vdc
- Power Consumption: 8W
- Power Requirements: 115/230 Vac, 50/60 Hz
- Dimensions: 81⁄2''l X 81⁄4''w X 51⁄4''h
- Weight: 7Lb
| Brand | Blue |
|---|---|
| Weight | 2.0000 |
| Dimensions (WxHxD) | NA |
| Show ''Call For Price'' | N/A |
Customer Reviews
1 Item(s)
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No bells and whistles-just an amazing pre
Review by Jared -
To me, a piece of gear should sound great first, be easy to use second, and if it looks good, thats just an extra plus. However, this unit is all 3. It sounds as clear as any preamp I\'ve ever used. It is especially nice paired with blue mics. It is amazing as a bass DI with the input on the front, and it\'s extremely easy to get a great sound out of. Gain knob, phantom power, nothing else you don\'t need in a pre. Thanks blue. (Posted on 2/8/11)Rating
1 Item(s)
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