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FMR Audio RNP "Really Nice" Preamp

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List Price: $499.00
Our Price: $475.00

Availability: Usually Ships in 24 Hours
Product Code: 9999-06431

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FMR Audio RNP Really Nice Preamp

The FMR Audio RNP Really Nice Preamp is a clean, full-sounding microphone preamp. We believe that the FMR Audio RNP is a good addition to any studio looking for an clean, full-sounding mic pre.

The Really Nice Pre-amp, the RNP, is a 1/3 rack two channel mic pre-amp. FMR's objectives for this pre-amp were:

  • Relatively neutral sonics
  • A Really Nice price ($499 msrp)
  • Compatibility with the RNC/RNLA

We believe that the RNP is a good addition to any studio looking for an clean, full-sounding mic pre-amp.

Lots o' Headroom

These days, the trend is for microphones to increase their output signal levels while reducing their output noise levels. This means either employing a front-end pad and/or increasing the headroom of a mic pre. FMR decided to do the latter: at unity gain, the RNP 8380 has a clip point of +27.5dBu (almost 25Volts peak-to-peak)! Even with a hefty microphone output, the RNP8380 should take what your mics have to give.


When designing a pre-amp, there are many ways to balance the sometimes conflicting operating constraints. Unfortunately, with the proliferation of integrated-circuit (IC) based mic pres in recent years, one of the typical casualties has been fidelity. At this point, I won't bore you with the geeky details, but I want to assure you that fidelity was not sacrificed in the RNP8380. Even though there are many mic pres that are quieter, there are very few that have the spurious-free (i.e., distortion-free) spectrum of the RNP8380. Now, more than ever, what you put into a mic pre is what you'll get out.

Ugly Box

If you look beyond the RNP8380's utilitarian ugliness, you'll see that FMR opted to throw the money they saved in cosmetics into the quality of the audio electronics. We all like having nice-looking gear as much as the next guy, but given the choice between something that sounds nice versus looks nice, the sound wins out everytime.

Really Nice Compressor (RNC) Inserts

Each channel on the RNP8380 has an unbalanced send/receive jack that allow you to connect an RNC1773 using a single Tip-Ring-Sleeve (TRS) cable (per channel). With proper cabling, you could also use this feature to balance any other unbalanced piece of gear. In addition, with the right external configuration, the RNP can provide a separate +22dBu unbalanced output and a +28dBu balanced output simultaneously to allow nifty things like separate M/S decoding while tracking the M/S signal without decoding.

Balanced/Unbalanced Operation

Both the mic inputs and mic pre outputs are electronically balanced, differential signals. Want to run to/from unbalanced sources? No problem, the RNP automatically adjusts...no special cabling required.

Balance an RNC

Using the above features, you can allow/provide a balanced signal to/from an RNC/RNP set.

Hi-Z DI inputs

These inputs are designed to take a source, such as a passive bass, and not "suck the tone" away from the instrument. This input features a high-impedance unbalanced 1/4" jack.

Slowly-Ramping 48V Supply

During phantom engagement/disengagement and DI/mic switching, the output signals are momentarily muted to reduce output pops & clicks that may otherwise annoy you and others. This mute actually occurs before the insert send signal, so even devices connected to the insert are spared large pops & clicks.

Stepped Gain Control

To allow precise gain-setting between multiple channels, FMR is using a Grayhill 12 position switch to set the RNP's gain.

Phase Inversion Control

This is fairly standard stuff to allow you to accommodate any phase problems due to things like system cabling, etc.

Precision Metering

Three LEDs are provided for metering each channel (signal presence, +18dBu and CLIP). In addition, the clip LED trips at 1dB below actual clip and stays on for 3 seconds to make signal-chain troubleshooting easier. The metering is digitally-calibrated and driven by the internal microprocessor.

Flexible Power Supply Requirements

The RNP will run off of either AC or DC as long as the voltage range is within 9-12V (and has a current capacity of at least 1.5Amps). Polarity of the wallwart connection is unimportant so that you don't have to worry about that detail either. In addition, if you happen to connect a wallwart that doesn't have enough oomph to power the RNP (like the RNC's wallwart), the RNP will tell you by periodically flashing it's front panel LEDs.

Geek Stuff

An internal microprocessor provides control and monitoring of many RNP internal activities: power supply operation, source (mic/DI) selection, precision metering, push button control and phantom voltage control. The preamp itself is a unique, full Class A self-biasing-fully differential-DC servoed-transimpedance-100MHz GBP-instrumentation amp with an input impedance of 5k. The RNP's maximum level is +28dBu (differential mode) with an EIN of -120dB. High common-mode impedances help reduce the effect of interfering noise sources. Both phantom coupling caps and gain port voltages are independently servoed.

FMR Audio RNP "Really Nice" Preamp Downloads

What We Think - FMR Audio RNP Review

The FMR Audio RNP is one of my favorite utilitarian mic pres on the market. It is hard to find a mic pre that is as balanced and neutral sounding as the RNP, and you are getting two of them! No matter what you are recording; if you want to capture the sound as honestly as possible, and you have to do it on a budget ?" the RNP is the way to go. Perfect for home studio and project studio owners, and good enough to be in a pro studio. One of my favorite features is the auto-mute that engages when you cut on or off phantom. This is a great feature, so if you are working on a session and need to keep your levels set, it will mute then ramp on or off phantom, then unmute ?" so you don't get any pops that will damage the gear it is connected to. A great investment all around!


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Average Customer Review 5 of 5 Total Reviews: 7

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  0 of 0 people found the following review helpful:
Nice May 2, 2012
Reviewer: Todd Connell from Terrigal, NSW Australia  
Pre amp works like a pre amp, easy to use, and I really like the 6dB gain stepping. Works for me.

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  0 of 0 people found the following review helpful:
FMR RNP April 2, 2012
Reviewer: Ben from Medford Lakes, NJ United States  
This is great deal for two high quality preamps that are built in the US.  Because the unit is so compact, I can easily bring it with my audio interface to replace the onboard preamps or to add more channels for an on location recording.  I recently was recording a sax quartet project on a preamp that was 3 times the price per channel than the RNP.  When layering the parts, I thought the sound was thin and not happy with the recording quality.  I started re-recorded with the RNP and it was much better.

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  0 of 0 people found the following review helpful:
FMR RNP December 2, 2011
Reviewer: Bas  
Although the preamps name is Really Nice Preamp, this preamp doesn't really look nice when it comes to the looks! But this doesn't matter because the quality of the preamps is what matter! This preamp compares to $1,000+ preamps! If you're looking to buy a decent preamp, make sure you take into consideration to look at this one!

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  0 of 0 people found the following review helpful:
good clean fun! November 14, 2011
Reviewer: dhmaya from Washington, DC United States  
This is a great bang-for-the-buck clean, reliable pre.  It gets five-stars for the low-cost in relation to the 70db of good clean gain.  It's small, making it easy to use in different situations.  Only thing that bugs me with it are the stepped pots – would love a variable trim control.

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  0 of 0 people found the following review helpful:
my order July 14, 2011
Reviewer: ludovic more from bois-colombes, ile de France France  
ok i have appreciate the quickly expedition and serious package.
The Rnp is a powerfull and clear preamp great for accoustic guitar record. It can give you more gain then you need no distortion nice sound définition.

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