A classic high gain tube beast is resurrected and delivered to your studio for a tone filled experience! The RCA OP-6 has been the behind-the-scenes ‘Holy Grail’ tube preamplifier for ribbon microphones for well over 60 years. Its almost endless headroom and gain are legendary, as is the extremely thick, rich*tone imparted by its unique design. The OP-6 was used on some of the greatest recordings of the past, and many of these coveted units are still in use today. Unfortunately these days originals are hard to find, very expensive, and mostly don’t perform to the technical specification they once did. The vintage unit’s feature set is also somewhat limited when compared to modern standards. While the preamp sounds just amazing on ribbon mics – or any other microphone type for that matter – with each pairing an adjustment to the input transformer (inside the unit) is required to adapt it to the optimum impedance. Further, some mics require 48 volts which wasn’t an option on a vintage RCA OP-6, and it’s often hard for a purist to mod an amazing vintage ’50s preamp beyond its original design to accommodate modern convenience. So what if you could have a new “vintage style” OP-6 in all its glory (and then some)? A unit that would adapt to several mic impedances (switchable via the front panel using a custom wound input transformer), offer 48v for the mics that need phantom power as well as having Mic and Instrument inputs? Wait no more! All the tone of the original OP-6 and fine detail of this glorious tube mic-preamp have now been recreated by one of the foremost experts in tube design of our time, Phil Moore, bringing this vintage classic kicking and screaming into the 21st century! Welcome the Retro Instruments OP-6 Portable Microphone Amplifier! “This thing is so good that I wanted the new generation to experience it. I wanted to make a box with a handle that you carry into every studio session; something that doesn’t go in a rack – more of a studio centerpiece.” said Phil, (Retro Instruments founder and product designer). “We’ve retained the integrity of the original circuitry, size and performance of the RCA OP-6, while adding many new features that will prove invaluable in the modern studio.” RETRO Instruments OP-6 Features Stepped gain control Switchable Mic Impedance - /37/150/600 Over 80db of gain Phase Switching 48V phantom power Instrument input 25db Pad High Quality VU Meter Output Attenuator Control Improved Noise Performance XLR Input/Output Integral Tube Test Functions Durable Hammer Tone Case Finish Faceplate Holds true to original OP-6 design 115/230 Operation 50/60 Cycles
For the RCA heads out there... here are some droolworthy pics of the OP-6 I just finished restoring/refurbishing... It sounds as good as it looks... see posts 21, 34, 41 and 56 for sound clips.
Yes, the plugins are sold á la carte, $29 each. The Omega and the first two Transformer plugs will be available in March. Planned Transformer releases for 2016 are V72 and OP-6 (!). Gregory Scott - ubk
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