Blue Microphones Robbie

Single-Channel Class A Discrete Tube Microphone and Instrument Preamplifier
Blue Microphones Robbie image 1
Blue Microphones Robbie image 1

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Blue Microphones Robbie
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A Blue Class-A Preamp For You

Because of its retro-futuristic look, Robbie The Mic Pre was named for Robbie The Robot from the old science fiction movie, Forbidden Planet. But that's where the similarity ends. 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.

BLUE Robbie the Mic Pre at a Glance:
  • One of the quietest tube preamps ever!
  • Super-simple controls with pad and phantom power
  • Unique design and shape but still rackable

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!

BLUE Robbie the Mic Pre Features:
  • Single-channel tube mic/instrument preamp
  • 10Hz-100kHz frequency response
  • Discrete Class A architecture with no ICs
  • Super-quiet, with extremely low THD
  • 34dB headroom
Robbie is an astonishingly great tube preamp!

Additional Media

Robbie User Manual
Studio Preamp Buying Guide
Blue Microphones Robbie Review

Tech Specs

Preamp Type Tube
Number of Channels 1
Frequency Response 10Hz-100kHz
Phantom Power Yes
Analog Inputs 1 x XLR (mic), 1 x 1/4" (instrument)
Analog Outputs 1 x XLR (line level out)
Height 5.25"
Depth 8.5"
Width 8.25"
Weight 7 lbs.
Manufacturer Part Number ROBBIE PREAMP

Customer Reviews

5/5
Based on 16 reviews
Write your review
5/5

Awesome Mic Pre

This has surpassed my expectations. I had read a lot of reviews for years before purchasing and I have to say that this unit lived up to every word. It sounds great paired with the blue bird mic when used for rap vocals and puts that style right up front where you want the vocal. It sounds amazing with the AKG mic for acoustic guitars. Definitely captures the roominess and acoustics you want when recording an open string instrument. I can't say I've used this in a lot of scenarios yet but I am glad I made the decision to buy it. This is one of the few pieces I have that I can honestly say with out a doubt I have no regrets with. Lastly, Blue is a great company and the one knob feels solid and you can feel the quality in the unit. Plus the power supply is not some rink a dink plug in that you can break or bend. I recommend this for anyone looking for a great mic pre who can't spend $2,000 or more on other well known units.
Music background: All around music enthusiast trying to make a hobby a living
5/5

Great mic pre!

I love this mic pre! I'm running a Neumann TLM 103 through it and into an Apogee Symphony I/O. Truly truly professional recordings! I've read great reviews about pairing this pre with the 103 and it's been everything I could've ever expected it to be. Sweetwater is such a great company to deal with also! My sales engineer, Nathan Parker, is a pleasure to deal with!
5/5

Robbie Hits a Home Run

I needed a single channel mic pre for an assortment of "everyday" applications in my studio, and Blue Microphones Robbie, although unusual in the looks department, fit the bill. Of course I expected a clean, capable pre, but Robbie actually blew me away. Sure, there's an absence of knobs that may deter some, but if what you need is a mic pre that will do justice to a quality microphone like the Manley Gold Reference, then look no further.
Music background: Composer
5/5

Great Preamp!

Perfect preamp, it adds a warm tone to the microphone signal and keeps the recording crystal clear. Worth more than the price tag IMO. Built well and it looks like a famous robot (hence the name), really catches peoples attention in my studio! I recommend using it with a high quality condenser mic such as the "Blue Kiwi" but it will work well on any mic. Try it yourself. For the price, this is the best preamp around.
Music background: Artist, Engineer, Producer, CEO
5/5

What a pair!

I have to say, I was pretty excited to finally get this preamp after purchasing the Kiwi about 10 weeks prior and mailing in the rebate. It really gave me a chance to see what the Kiwi had to offer on other preamps before I could pair the two. Little to my surprise, the combination was nothing short of beautiful. The sound quality is fantastic. I really love how something so simple control-wise crushes competing preamps. Now because I really only wanted this preamp to use for vocals I definitely give it 5 stars in that category. As far as running instruments in the studio setting through the Robbie I didn't find that it really had as much to offer as other preamps that I have used. So for now i'm bypassing this when we record instrumentals. But hey! This thing is well worth the purchase!!
Music background: Lead Vocalist/Guitarist

Sweetwater Advice

Geoff Allen

Try the Blue Robbie with a U87 for an amazing in-your-face vocal sound! Or give your guitars the added warmth they deserve and take your sound to another level!

Carson McClain

Blue takes performance and design very seriously and it is quite obvious with the Robbie. If you are looking for a wide-open sound and don't have $6000 take a look at the Robbie. Amazing pre, amazing price.

Forrest Powell

Plenty of gain, enough for a ribbon; amazingly clean, too! I really dig this pre.

Geoff Allen

The Blue Robbie was always an item that intrigued me. I consistently heard amazing results when my old singer used this with a U87 for vocals. I finally got a chance to try this odd-looking tube preamp for myself. The Robbie's intuitive setup was a breeze to insert into my current recording configuration. With switches for instrument and microphone inputs, polarity, and gain reduction, who needs a manual? The results, I found, were astonishing. The Blue Robbie took all the harsh grit away from my guitars and replaced it instead with a warm, singing mid-range. After spending quite a bit of time with this in my recording setup, I am having a hard time letting it go. The Blue Robbie is an affordable solution for anyone wanting to venture into the realm of external preamps. It is a MUST-HAVE for guitarists using modeling devices or software!
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See also: Blue Microphones, Blue Microphones Preamps