FMR Audio RNLA Leveling Amplifier - More Information

FMR Audio RNLA Leveling Amplifier Compressor RNLA7239 - More info

  Should be here by July 29th!  Order now and we'll ship the day they arrive here! 

What’s a Levelling Amp?      Clearly, we’ve decided to distinguish our RNLA from our RNC by calling it a “levelling amplifier” instead of “Son of RNC” or “RNC II” or some such thing. Without being too geeky about it, we decided to call it “RNLA” for two reasons:

1) The RNLA has a sonic signature similar to many compressors that we’ve used over the years, many of which have been referred to as “levelling amps”(e.g., LA2A, LA3A, etc.). (DISCLAIMER: Please don’t confuse this with us saying that the RNLA sounds just like such-and-such, ‘cause it doesn’t and that’s NOT what we’re saying!) There are some sonic similarities—a “classic” character, if you will—between the RNLA and some of the more preferred, sought-after levelling amps and opto compressors. Some well-outfitted RNLA users report that even with a full complement of expensive, vintage levelling amps/compressors, the RNLA still fills a niche that the others don’t!

2) It allows us to call the RNC/RNLA by names that are as distinct as the sounds they produce. The RNC was designed to be somewhat neutral while the RNLA was designed to deliberately color the sound.

What’s cool about the RNLA?

Before you run off to work on your next hit record, I want to point out to you some of the salient points about the Really Nice Levelling Amplifier that may not be overtly obvious and, yet, may be important for you to know:

Wide Dynamic Range - Despite the unbalanced input/output connections, the RNLA has a dynamic range of 117dB, minimum, which is appropriate for today’s digital systems and exceeds that which is attainable with many older, “vintage” levelling amplifiers. The RNLA offers a clip point (<3% THD) of 22.5dBu.

Fidelity - Although the RNLA is designed to dynamically “color” the sound passing through it, the channel electronics are fairly neutral and designed so that the output signal (statically measured) closely resembles the input signal (fidelity defined...though slightly paraphrased). Each channel is hand-trimmed to typically less than 0.005% Total Harmonic Distortion plus Noise (THD+N). Even this lowlevel distortion is predominantly second-order...a much less heinous form of distortion and agreed by many to impart a slight sweetness” to a signal.

Ugly and Cheesy Box - Like its FMR brethren, the RNC and RNP, we use a third-rack cabinet (still a hearty combination of extruded aluminum and steel) to allow us to throw the money we save in cosmetics into the quality of the audio electronics. Although we did decide to splurge a little by putting very red knobs on it along with a brushed-aluminum Lexan™ overlay for that more impressively cheesy, “homegrown” look!

Easy-to-read Panel Graphics - This may seem like an arbitrary and trivial point, but we think it’s important: easily assessing the settings on a rack-mounted processor is important when you’ve got a lot of stuff going on during a recording session. In our experience, dark lettering on a light background works better than the other way around.

Inputs and Inserts - As with the RNC, the RNLA has unbalanced inputs that also double as Tip-Ring-Sleeve (TRS) inserts to mate with popular mixer and equipment inserts. This allows you to connect an RNLA’s channel (in & out) to a mixer or other compatible device (such as our own Really Nice Preamp, Great River Electronics MP-NV preamp, etc.) using only a single TRS-to-TRS cable per channel.

Balanced Outputs - The RNLA has balanced, non-differential outputs.  Although the “cold” part of the signal is not driven (that would be a “differential” signalling scheme), the impedance in both legs are the same, thereby giving your audio the benefit of reduced noise IF the RNLA is connected to a balanced line input.

Precise Gain Reduction Metering -  A highly accurate gain reduction meter is provided to allow visual verification of what you’re hearing. Although meters should never be a substitute for what you hear, a dynamically accurate meter is better than one that can “lag” or misread the actual dynamic performance of the compressor. Due to our digitally-controlled architecture, peak-detection errors are greatly reduced. This makes for a very accurate meter.

Full Parametric Control - Some of the more common Levelling Amplifiers don’t have full parametric control. Many LAs are missing the ability to control the ATTACK time. Some of them don’t even provide a RATIO control, let alone a continuously-variable RATIO control! The RNLA provides both for maximum artistic flexibility. But, most importantly, both the ATTACK and RELEASE controls go to 11!   In addition, all of the front panel controls are merely a “control surface” for the RNLA’s internal digital engine. This means: (a) No main channel audio flows to/from the front panel controls that might increase its noise susceptibility (that’s bad) or dreaded “scratchy pot syndrome” (that’s annoying ), and, (b) We can use a “ratiometric” measuring technique, along with robust digital filtering, to derive repeatable and precise compression parameters (that’s good, if not a little geeky).     Did I mention that the ATTACK and RELEASE controls both go to 11?  

Alternative Release Contour - Loosely based upon the “Log/Lin” control on the Valley People’s (Person’s?) Gain Brain II, this control (“Log Rel”) can help restore some “punch” that can get lost without an acceleration of the release envelope.  So, when Log Rel is on, we accelerate the release time as a function of gain reduction amount. We’ve found this to be particularly handy on drum sub-mixes where we still wanted the drums to “punch”, but in a compressed and controlled way (you know, it’s really true: talking about audiois like dancing about architecture... ).

Hardwired Bypass - We use a sealed relay (for long life) to switch the RNLA’s output connectors between the output of the compression stage or the input jacks, thus providing a true bypass of the signal path. Worst case, without mains power, you’ll still get a signal out of the RNLA!

Made In The U.S.A. - We want you to know that we do our own manufacturing here in beautiful Austin, Texas ‘cause: (a) We live here. We’re control freaks. We need things done to standards that are very specific and loftier than most. Manufacturing products here help control important costs and reduce waste (there’s more to producing a product than just considering the costs of labor and parts).  All this helps ensure that your RNLA will retain its value and continue compressing for many years to come, (b) Austin’s resources and culture—from a very lively music scene to lots of high-tech companies/products—help inspire and maintain our commitment to music and technology, and, (c) In order to help others, here and abroad, we believe we’ve got to be vital and capable ourselves. Our first choice is to employ as many U.S.-based resources as possible in the design, manufacture and distribution of our products.

What sucks about the RNLA?

The first time I included this What Sucks!  section was in the Really Nice Preamp (RNP) manual. It had the desired effect: our customers (i.e., those who “get us” and our products) really like—actually, based upon their responses, downright appreciate  -  having a first-pass assessment of our product’s strengths and weaknesses even if it’s from the product designer’s view. So, here’s to you, our dear customers! (drumroll please!) We continue this new-found tradition and present What Sucks  about the RNLA...

The RNLA uses a wallwart - As with our other products, the RNLA uses a wallwart. This is done to: (a) reduce internal noise induction, (b) make the national/international regulatory compliance less costly, and, (c) to permit easy adaptation of the RNLA to countries other than the U.S.A. As practical as these reasons for wallwart use are, it doesn’t reduce the annoyance factor that the RNLA uses a less common, *AC* wallwart. You can reduce this annoyance, however, by:

(a) labelling your wallwart on both ends (i.e., on the part that plugs into the wall and at its opposite end) that the wallwart is for use with the RNLA, and/or,

(b) use AC mains power strips that can accommodate the extra space required by wallwarts, and/or, (c) hook-up your wallwarts with one of those short, power cord extenders. In either case, what a pain  wallwarts are...

The RNLA “colors” the audio - I don’t consider myself a “purist”, however, Ihave  spent a fair amount of time/effort in the studio (and design lab) trying to reduce sonic coloration (i.e., distortion). Although I appreciate and applaud those who are skillful enough to record and mix with fidelity or colorationat will , I’ve always preferred fidelity over distortion...no matter how artsy it is! So, why are we now producing a device that deliberately  distorts the audio? There are three reasons for this: (1) our customers have requested it and feel that they can’t get specific combination of features elsewhere, (2) I believe that the RNLA distorts  in a tasteful, useful and controllable way, and, (3) Maybe you can teach an old dog new tricks: I’m actually learning to like and find uses for the sonics of the RNLA!

The RNLA has freakin’ RED KNOBS -  Proof, once again, that there’s “no accounting for taste”, I specified these knobs after a word-association game with my therapist. Here’s an excerpt:

Therapist: Dog?

Mark: Compressor(?)

Therapist: Cat?

Mark: Compressor(?!)

Therapist: Red knobs?

Mark: Levelling amp! (???)

Okay, I made that up, but it could have happened!    In any case, for those of you who are color-blind (or not) I apologize...



 

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