| Content | The Auteur MKII is a two channel preamp that features high-speed input stages that capture lots of detail and nuance, and transformer-coupled output stages that impart a nice touch of vintage vibe. It also features phantom power, phase, and a 10dB pad. It’s housed in a 1U, ½ rack chassis, and can be linked together with a second ½ rack unit by using the included connector plate.
The Auteur MKII has a revamped gain stage that results in higher gain, lower noise, lower distortion, and a more extended frequency response than the original design. Use it on drums for rotund results. Throw it on vocals for a silky polish. Hear guitars soar like never before. No matter what you use it on, the Auteur MKII will do the job like a pro!
- Dual Channel
- Ultra High-Speed Input Stages
- Edcor Output Transformers
- 65dB Gain
- Extended Frequency Response
- Low Distortion & Noise
- Phantom Power
- Phase Switch
- 10dBu Pad
- XLR Microphone Input
- TRS Line Output (balanced)
Max Microphone Input Level: +1dBu
Input Impedance: 6000Ω
Pad: 10dBu
Gain (no pad): +14dB to +65dB
Equivalent Input Noise (noise floor): -108dBu
Bandwidth (1kHz, 150Ω source, unweighted): 10Hz to 30kHz
Output Section:
- Max Output Level: +26dBu
- Output Impedance: 600Ω
Power Supply: 24VAC, 500mA External Supply
Product Dimensions: 9.5” x 6.5” x 1.75”
Product Weight: 3.2 lbs
Shipping Dimensions: 13” x 13” x 5”
Shipping Weight: 6 lbs | The product that started it all for Empirical Labs. Born of founder Dave Derr’s love of classic compressors like the 1176, LA-2A and Gain Brain (among others), the Distressor incorporates his favorite sonic characteristics of these, along with other unique and interesting features that have made it a staple for audio engineers all over the world. With over 28,000 units in the field, it’s safe to say that the Distressor is one of the best selling high end compressors of all time… if not THE best selling. A prominent recording engineer recently wagered that there probably was not a top 40 record made in the last five years that didn’t have at least one Distressor on it.
Besides providing a wide range of control and a unique feature set, the Distressor offers a warm, vintage sound by using a custom designed gain control circuit. This “warmth” or “vintage sound” has become a major issue in the last few decades, as the super clear and linear digital technology does next to nothing to soften “harsh” sounds, nor emphasize the bass frequencies in music sources. Conversely, older analog tape, vinyl records and tube equipment could not be prevented from coloring the sound, often to the frustration of recording engineers. However, many people now realize that this coloring can be extremely pleasant and musical. Digital technology is often referred to as “cold” and “brittle” among other terms (although we prefer “unforgiving”).
Unique Compression Curves
All eight of the Distressor’s curves are unique and distinctive, from the 1:1 mode that simply warms up signal with low order harmonics without intentional compression, to the “Nuke” setting – a brick wall limiting curve that shines on live drum room mics. Each curve has its own personality and several actually use different circuitry, and are effectively different compressors. Most exceptional is the 10:1 “Opto” ratio which uses separate detector circuitry to emulate the oldest (and valued) “light controlled” devices, such as the LA-2A.
Distortion (Color) Modes
Another large part of the Distressor’s personality and power derive from three modes that color the signal, even without compression. These extended audio modes were designed to allow emulation of some very old and expensive vintage compressors & limiters, and let the Distressor deliver a classic “knee” sound all its own by providing user programmable, warm harmonic distortion. In addition to the basic distortion mode, Distort 2 emphasizes tube-like 2nd order harmonics, while in Distort 3 setting the distortion becomes dominated by 3rd harmonics more closely resembling tape. Two HP filters – one in the audio path, one in the detector path – are also available to help with low frequencies that can cause pumping and breathing.
Go Stereo
For many Distressor owners, one is never enough – in fact, one extremely successful engineer has twelve of them! For those who want (at least) a stereo pair, ELI offers the EL8-S, a pair of Distressors that are matched at the factory, and come with the cables you need to lock them together.
- Frequency Response – 2 Hz to 160 kHz in clean audio mode (+0, -3 dB). Response is shaped in distortion modes (Dist 2, Dist 3).
- Dynamic Range – 110 dB from max. output to min. output in 1:1 mode. Greater than 100 dB signal to noise in distort 3 mode.
- Distortion – ranges between .02% and 20% depending on distortion mode and release times set on front panel.
- I/O – DC Coupled input and outputs.
- Time Constants – Attack range 50uS – 50mS. Release range .05 sec to 3.5 seconds, normal modes and up to 20 seconds in 10:1 opto mode. Time constants are dependent on ratio.
- Power Consumption – 15 Watts Max.
- Metal Chassis – single height 1.75″ high, 10″ deep, 19″ wide.
- Shipping info – 24.2 lbs Stereo pair. Stereo Pair box dimensions 22.5″ x 18.5″ x 6 1/4.
| Radial X-Amp Active Reamper
- Active Reamp® with two outputs
- 100% discrete class-A signal path
- Transformer isolated to eliminate noise
- Variable 'set & forget' level control
The Radial X-Amp is an active Reamper™ that allows the engineer to play a pre-recorded track back through guitar amplifiers and pedals. This opens the door to explore new musical sounds and spur on the creative process so that your recording stands out.
Using the X-Amp is easy: start by recording a dry track using a high quality direct box like the Radial J48. Send the new track from your recorder via the X-Amp to your guitar amps, effect pedals or combinations thereof. Once the basic track has been recorded, replacing or adding tracks can be done well after the session player has gone home. This eliminates tiresome repetition and assures a fresh vibrant performance on the final recording. Furthermore, by driving two amps at the same time, new sounds and textures can be created while allowing you to make artistic decisions as the recording progresses.
Following the critically acclaimed Radial JD7 Injector, the X-Amp employs a unique class-A circuit design that has been optimized for use with guitars. Features include balanced line level input with LED peak indicator and level control, class-A circuit topology for optimal reach and frequency response, a transformer isolated output to eliminate hum and buzz caused by ground loops, a 180º polarity reverse switch to bring both amps into phase, and a dual ground lift switch for noise-free operation.
As with all Radial products, the X-Amp is built like a tank to provide years of trouble-free performance. An internal I-beam skeleton provides maximum protection against external stress which could cause solder points to fail. This is supplemented with an innovative bookend design that creates a protective zone around the switches, potentiometer and connectors. A full bottom no-slip pad performs double duty by keeping the X-Amp from sliding around when placed on a vibrating amplifier while also providing electrical and mechanical isolation. Reamping works equally well on bass, keyboards, drums and voice. Once you start Reamping, you will never record any other way.
The Radial X-Amp… the active Reamp® for professional recording engineers. | FEATURES
- The industry-standard tabletop looper, updated and enhanced
- Class-leading sound quality with 32-bit AD/DA and 32-bit floating-point processing
- Five simultaneous stereo phrase tracks with dedicated controls and independent volume faders
- Input FX and Track FX sections, each with four simultaneous effects and four quick-access banks
- Customizable FX and Track buttons for each phrase track
- Massive onboard effects selection with 49 Input FX types and 53 Track FX types, including new Harmony, Electric FX and many others
- Ultra-durable faders with longer throw for more precise adjustment
- Mark Back function provides enhanced undo/redo flexibility while performing
- Two XLR mic inputs with phantom power, two stereo line input pairs, and three stereo line output pairs
- 99 memories, each containing five phrase tracks, custom effects and playback settings, control assignments and more
- Synchronize your loops with over 200 onboard rhythm patterns and 16 drum kits
- Deep MIDI control support
- Two external control jacks, each with support for up to two footswitches or an expression pedal
- USB for data backup, phrase import/export with BOSS Tone Studio and pattern import with the RC Rhythm Converter
TECHNICAL SPECIFICATION
Boss RC-505MK2 Tabletop Loop Station
- Sampling Frequency: 44.1 kHz
- AD/DA Conversion: 32 bits
- Processing: 32-bit floating point
RECORDING/PLAYBACK
- Number of Tracks: 5
- Data Format: WAV (44.1 kHz, 32-bit float, stereo)
- Maximum Recording Time: Approx. 1.5 hours (1 track), Approx.13 hours (total of All memories)
- Rhythm Type: 200 types or greater
- Rhythm Kit: 16 types
EFFECTS
- INPUT FX: 49 types
- TRACK FX: 53 types
- MASTER FX: 2 types
- Memory: 99
- Display: Graphic LCD (128 x 64 dots, backlit LCD)
CONNECTORS
- MIC IN 1, 2 jack: XLR type (balanced, phantom power: DC 48 V, 10 mA Max
- INST IN 1, 2 jacks, MAIN OUT jacks, SUB OUT 1, 2 jacks: 1/4-inch phone type
- PHONES jack: Stereo 1/4-inch phone type
- CTL1,2/EXP1 jack, CTL3,4/EXP2 jack: 1/4-inch TRS phone type
- USB port: USB B type
- MIDI (IN, OUT) connectors
- DC IN jack
- Power Supply: AC adaptor
CURRENT DRAW
- 1.0 A (with phantom power)
- 0.9 A (without phantom power)
- Dimensions: 16-9/16" W x 9-1/4" D x 2-11/16" H
- Weight: 4 lb.
| Originally developed for the dynamics circuit of the acclaimed Shelford Channel, the 535 Diode Bridge Compressor captures the soul of Rupert Neve’s original 2254 compressor while providing modern updates including advanced timing control, significantly lower noise, fully stepped controls throughout, and internal parallel processing capabilities.
What is diode bridge compression?
Where the VCA compressor found in the Master Buss Processor provides unmatched clarity, the weighty, harmonically rich tonality of diode bridge compression can be essential in pushing key sources like vocals, electric guitars, bass and drums to the forefront of a mix.
By understanding the limitations of vintage units like the legendary 2254, painstaking effort was taken to reproduce the unique tone of these classics while improving the noise floor & accuracy, expanding inflexible time constants, adding full wave sidechain detection for improved dynamic response, and widening the range of threshold and ratio controls.
Delivering the powerful sound of these iconic designs with enhanced flexibility for the modern age, the 535 Diode Bridge Compressor is a dynamic tool equipped to make a bold statement on virtually any mix or track.
LINE INPUT TO LINE OUTPUT
- Compressor Bypassed.
- Z source = 40 Ohm Balanced
INPUT IMPEDANCE
10K Ohm
OUTPUT IMPEDANCE
40 Ohm
MAXIMUM INPUT LEVEL
+23.5 dBu
MAXIMUM OUTPUT LEVEL
+23.5 dBu
NOISE
- 22 Hz - 22 kHz BW.
- -101 dBu
FREQUENCY RESPONSE
- 10 Hz - 120 kHz, 30ft Output XLR Cable.
- +/- 0.25 dB
THD+N
- @ 1 kHz @ Maximum Output Level, 22 Hz - 22 kHz BW.
- 0.001%
| The vintage EQ tones you know & love.
The 551 is the only equalizer for the 500 Series actually designed by Rupert Neve. Featuring 3 bands of EQ inspired by Mr. Neve’s most prized vintage designs, along with custom-wound inductors, transformers and class-A gain blocks, the 551 brings the thick, powerful lows and sweet highs of Rupert’s classics to the 500-Series format.
The “Best-Of” EQ
The 551’s 3-band, custom-tapped inductor EQ was inspired by our favorite elements of Rupert’s vintage EQ designs. The low frequency band is designed to produce a creamy, resonant bass response similar to a vintage 1064 – but unlike the vintage modules, the LF band on the 551 can be used as either a shelf or a peak filter, adding punch, dimension, and control to your low end.
The midrange band is based on that of the 1073, ideal for sweetening vocals and instruments while bringing them forward in a mix, and its proportional “Q” response makes it well-suited for minimizing problematic frequencies. The high frequency band is a hybrid vintage / modern design, blending inductor circuitry with capacitor-based topologies to achieve vintage tones with enhanced control. The High Pass filter is a 12dB/octave design with a fixed 80Hz frequency, and can be used in tandem with the low frequency EQ to add low-end presence without clouding the source material.
As with Rupert’s most prized classic designs, each EQ section uses low-feedback, class-A discrete electronics to prevent low-level artifacts and harshness from detracting from the tonal shaping. However, this new circuit is a decidedly modern design with updated techniques and components that were simply not available 50 years ago, and is definitely not a “clone”.
What Are Inductors?
Inductors are wires wound around a coil that provide a form of frequency-dependant resistance. When they saturate, they bring out beautifully musical harmonics that give your tracks the smooth, polished sound that has made Rupert’s consoles and equipment so desirable for over fifty years. This is what makes them different from capacitor-based EQ designs, which do a great job at surgical equalization. But inductors provide the tone.
While it is certainly possible to create a functioning EQ using off-the-shelf inductors, we choose to use our own custom inductors for the 551. This attention to detail in controlling variables such as the winding and core materials in relation to the surrounding circuitry allows the 551 to capture the vitality and personality of Rupert’s classic designs.
NOISE
- Measured at Main Output, un-weighted, 22Hz-22kHz, source impedance 40 Ohm balanced.
- Better than -102 dBV
FREQUENCY RESPONSE
Main output, no load: +/- 0.1 dBu from 20 Hz to 31.5 kHz, -1 dB @ 120 kHz
MAXIMUM OUTPUT LEVEL
23.25 dBu
TOTAL HARMONIC DISTORTION AND NOISE
- @ 1 kHz, +20 dBu output level, no load: Better than 0.0025%
- @ 20 Hz, +20 dBu output level, no load: 0.13% Typical (2nd and 3rd harmonic)
HIGH PASS FILTER
- -2.7 dB @ 80 Hz
- Slope: 12 dB/Octave
NOISE
- Measured at Main Output, un-weighted, 22 Hz - 22 kHz, source impedance 40 Ohm balanced.
- Better than -94 dBV
FREQUENCY RESPONSE
Main output, no load: +/- 0.25 dBu from 20 Hz to 45 kHz, -2 dB @ 120 kHz
MAXIMUM OUTPUT LEVEL
23 dBu
TOTAL HARMONIC DISTORTION AND NOISE
- @ 1 kHz, +20 dBu output level, no load: Better than 0.009%
- @ 20 Hz, +20 dBu output level, no load: 0.13% Typical (2nd and 3rd harmonic)
POWER REQUIREMENTS
- 120mA on +16VDC
- 110ma on -16VD
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