| Content | Whether you’re tracking, mixing, or just listening to music, your headphone amplifier is as important to the final sound quality as your headphones – yet the world is full of headphone amps with compromised sonics, headroom, and power. To address these shortcomings, Rupert and his team at Rupert Neve Designs developed the RNHP.
Based on the headphone output circuit in the 5060 Centerpiece Desktop Mixer, the RNHP is a dedicated 24V reference-quality headphone amplifier with +4dBu balanced line, unbalanced RCA and 3.5mm (1/8”) inputs – each specifically calibrated for optimum level and impedance – and housed in a rugged, VESA-mountable steel chassis.
Dedicated vs Integrated Amplifiers
For much equipment, the headphone output is an afterthought. Most products with integrated headphone amps have large feature sets, small footprints, and relatively low price points. This leads to compromised power and audio quality of the headphone amplifier itself, which can lead to a number of issues in real world usage such as low headroom, unreliable performance, and a lack of focus.
The RNHP was made to accomplish one simple purpose: making any headphones sound their best. As a dedicated design, the RNHP is tailored to deliver extremely high quality, powerful amplification, with precise calibration for any source input. This exceptional level of quality can be the difference that inspires an artist to give their best performance, lets an engineer make better choices in mic and placement, gives a mix engineer reliable translation of EQ and dynamics adjustments, or lets a music listener appreciate the full depth and detail of a recording.
MAXIMUM INPUT LEVELS
- “A” XLR I/P: +22.8 dBu @ 1 kHz
- “B” RCA I/P: +14.7 dBu @ 1 kHz,
- “C” 3.5mm I/P: +3.3 dBu @ 1 kHz
OUTPUT POWER
- As measured with typical headphones, Z=44 Ohm: 3.617 VAC RMS @ 1 kHz = 300mW RMS.
- 16 Ohm typical Load: 1.933 VAC RMS @ 1 kHz = 230mW RMS
- 150 Ohm typical Load: 5.108 VAC RMS @ 1 kHz = 175mW RMS
OUTPUT IMPEDANCE
.08 Ohm @ 1 kHz, 16-150 Ohm load, 0 dBu input
FREQUENCY RESPONSE
+/- .2 dB from 10 Hz to 120 kHz
NOISE
- Measured with typical headphones, Z = 44 Ohm, BW 22 Hz - 22 kHz.
- “A” XLR Input: -101.9 dBV,
- “B” RCA Input: -100.9 dBV
- “C” 3.5mm Input: -88.8 dBV
DIMENSIONS
6.5” wide x 4.6” deep and 1.9” tall
POWER SUPPLY REQUIREMENTS
24VDC @ 0.25Amp (6 watt) minimum. Use with supplied power adapter, as this has been carefully selected for best output power and noise performance. May be used with a properly configured 24V battery as well. | 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.
| The Suhr Reactive Load delivers a simple solution to capture all of the warmth, and dynamics of your sound, without the hassle of miking a speaker cabinet during a live or recorded performance.
The Reactive Load takes the place of your speaker cabinet in your signal chain. It provides an 8Ω load for your tube amplifier (maximum 100 watts), and produces a balanced and unbalanced signal that interfaces with recording devices, effects, and power amplifiers.
The Suhr Reactive Load is the perfect link between your amplifier and computer audio recording interface. You can use the Reactive Load with your existing library of speaker impulse responses (IR) for the most realistic direct recording experience possible.
Traditional resistive load boxes will safely load your amplifier, but they also alter the tone, dynamics, and response of your amplifier. Real speakers do not have a fixed resistance across the entire frequency spectrum. Real speakers are reactive.
The impedance curve of the Reactive Load has been painstakingly tuned to react like a speaker. Your amp will never know the difference.
The Reactive Load is dedicated to being the absolute best load box possible with zero compromises, and therefore does not include speaker emulation. You can use the Reactive Load with your speaker-sim or impulse response of choice, and benefit from the natural response, dynamics, and touch sensitivity of your amp.
The Suhr Reactive Load features a balanced or unbalanced line level output. The INPUT is optimized for the 8 ohm output of your amplifier and the THRU jack can be connected to a physical speaker cabinet. If a physical cabinet is connected to the THRU jack, the Reactive Load’s internal load is bypassed and the amp will see the load of the physical cabinet.
SPEAKER INPUT IMPEDANCE: 8 Ohm
DI / LINE OUT LEVEL: +4 dBu at 7 watts input, maximum level setting
BALANCED LINE OUTPUT IMPEDANCE: Less than 6KΩ
UNBALANCED LINE OUTPUT IMPEDANCE: Less than 6KΩ
MAXIMUM RECOMMENDED INPUT POWER: 100 Watts RMS
ROHS COMPLIANT: Yes
DIMENSIONS: 8.8" (W) x 8.9" (D) x 3.6" (H)
WEIGHT: 6.6lb
| 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.
- 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 – 12.1 lbs mono. Mono box dimensions 22.5″ x 18.5″ x 3 1/4″.
| Condition: Item is subject to minor cosmetic imperfections. Packaging may be in poor shape. The item displayed in the images may not be the actual item you receive.
- Converts balanced line level signals to unbalanced
- Stereo signal path with set & forget level control
- Transformer isolated to eliminate hum & buzz
- J-Iso features Jensen™ transformers for optimal signal path
The Radial J-Iso and Pro-Iso are stereo line isolators designed to convert a professional +4dB line level balanced signal to an unbalanced -10dB consumer level device. This enables you to take the balanced output of a mixer and feed a consumer level recorder or audio input on a computer.
J-Iso Part # R800-1025: The J-Iso employs a premium Jensen transformer for optimal signal transfer to minimize distortion and artefact. Full bandwidth performance makes the J-Iso ideal for music production.
The passive design begins with 100% discrete components throughout. A set & forget level control lets you attenuate the input signal to prevent it from overloading the destination device. Output connections include a stereo pair of ¼" connectors, a set of RCAs and a mini 3.5mm (1/8") for interfacing to a mini recorder or lap-top computer. Transformer isolation helps eliminate hum and buzz caused by ground loops while eliminating stray DC currents from flowing.
Construction begins with 14 gauge steel throughout utilizing Radial's unique bookend construction. This creates a protective zone around the connectors and controls for added durability. The steel construction also assists by shielding the transformers from outside magnetic fields. Inside, the J-Iso features an innovative I-beam skeletal insert that makes it virtually impossible to torque the PC board. This reduces potential stress which could cause premature solder joint failure.
Designed for full range applications, the J-Iso combines exceptional signal handling with the type of durability that has made Radial famous. Signal Processors | 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.
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