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The Scarlett OctoPre Dynamic from Focusrite is an eight-channel preamp and interface suitable for expanding the input array of any studio, and also, for use on stage. Connections are secured via eight combination inputs, each one giving you jacks that accept 1/4" and XLR cables. Two of the inputs can handle Hi-Z instruments as well, allowing you to plug in guitars and basses. Eight 1/4" line outs are also available via the rear panel. Also provided are eight channels of AD/DA conversion up to 192 kHz. This feature, combined with the unit's back-panel ADAT I/O section, renders the Scarlett OctoPre Dynamic quite suitable for expanding the input and output capability of interfaces such as the Scarlett 18i8, 18i20, or indeed, any interface connectable via ADAT. |
Designed for high-definition field production environments, the studio-quality MP-1 is an ideal line-driver for critical radio, television, and film applications.
The MP-1 is extremely durable and easy to use. With rugged mechanical and electrical construction and high-quality components it will provide years of superb audio performance under the most punishing field conditions.
MP-1 Key Features - Superb audio specifications
- 66 dB of gain, in eleven discrete steps
- Transformer-balanced input and output
- Phantom power - 48 volt or 12 volt
- High pass filter @ 80 Hz or 160 Hz, 6 dB/octave
- Limiter makes unit virtually "unclippable“
- High current line output drive
- Excellent immunity to RF interference.
- Battery power (two x AA)
- Durable mechanical construction
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Applications
Console input extending for both Digital and Analog mixing consoles in Studio, Live and Broadcast Mic Pre-amps for ADAT/ Hard Disk/ Multitrack Recording Innovation If you love your compact Digital (or Analog) mixing console, but wish it had more microphone inputs, ARX has the solution ? the 8 Pre: eight channels of superb sounding Microphone Pre-amps in a compact 1 RU chassis. The 8 Pre is the ideal console extender for those times when you need more microphone inputs. Now you can put those unused line inputs to good use, and who knows - the 8 Pre pre-amps sound so good that you?ll probably end up using them all the time instead of the ones that came with your mixer! Superb Audio Quality The 8 Pre?s ultra low noise figures come from extensive use of premium components plus care and attention to board design and layout. The result is superb, transparent audio quality and the headroom to handle anything that a mic can throw at it. Gain is adjustable from 20 db through to 60 dB via a trim control on the front panel, plus we?ve included a ?20dB Pad switch to tame the hottest condenser mic output if required. The Clip status LED lights up 1 dB before the onset of clipping, just to warn you you?re getting close.Phantom power is switchable in banks of four channels: 1 through 4, 5 through 8. A Phase reverse switch is also provided on each pre-amp channel to eliminate any close miking problems. In short, the ARX 8 Pre is the mic Pre-amp that you?ll wish the console manufacturer had used. It provides a unique solution to today?s multiple Mic Pre-amp requirements.
T E C H N I C A L S P E C I F I C A T I O N S Input Gain 20dB to 60dB Input Pad ?20dB Input Impedance 4 KOhm Input Headroom +23dB Output Impedance 300 Ohm Output Level (Max) +23dB Frequency Response 20Hz ? 20KHz ±0.2 dB Signal to Noise ratio (Gain set @ 20 dB) ?93dB Unweighted, ?99dB ?A? weighted Distortion @ Unity Gain .004%, 20 Hz ? 10 KHz Dynamic Range 116 dB Phantom Power 48 VDC Input Connectors Balanced XLR Output Connectors Balanced TRS jack Clip Indicator Illuminates 1 dB prior to clipping Power Requirements 100/120 V AC, 220/240 V AC Weight 5 lbs/2.2 Kg Dimensions 19“W x 1?“H x 6“D, 482 x 44 x 155mm |
The PreSonus HP60 is the most flexible and advanced headphone amplifier system available for professional and project recording studios as well as live sound in-ear monitoring systems. Loaded with six independent,
loud and clear headphone amplifiers, the HP60 features dual stereo inputs as well as external input, for each
channel allowing you to mix between three stereo audio streams (mix A, mix B, and external input). Stereo output is also available on each channel to send line level headphone channel mixes to additional headphone amplifiers or monitor systems. Each channel features headphone level, mix control between A and B inputs, external input volume, mute and mono. The HP60 also features talkback via external XLR microphone input. Common set up of the HP60 in a recording session is to send the main control room mix to input A. Send the click track to input B. Send the each band member direct recording input to each channelʼs external input (more me). This will allow each band member to create a mix between the main mix, the click track and themselves. The HP60 is the ultimate headphone amplification system delivering loud and clear headphone mixes for real-world recording situations.
Features:
-Six independent ultra low noise, high output headphone amplifiers (150 mW per channel)
-Two sets of stereo inputs (A and B) with balanced TRS connectors
-Stereo external input point on each channel for "more me” with trim control
-Mix control between inputs A and B
-Talkback with external XLR microphone with control
-Direct stereo line output on each channel
Input A
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(2) ¼” TRS balanced 10 Ohms
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Input B
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(2) ¼” TRS balanced 10 Ohms
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External input
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TRS stereo unbalanced 10 Ohms
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Headphone amplifier output power
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150 mW RMS (60 Ohms) per channel
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Audio outputs
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¼” TRS stereo unbalanced per channel
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Master controls
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Talk button, Talkback volume, Input A, Input B
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Channel controls
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Headphone level, Mix A/B control, External input level, Mono, Mute
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External talkback
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XLR with TS external control jack
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Power
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IEC 110V-240V internal switching
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- Ultra-high quality 8-channel A/D and D/A interface for virtually any digital recording/mixing environment
- 8 state-of-the-art MIDAS designed Mic Preamplifiers
- Phantom power on all microphone inputs
- Reference-class Cirrus Logic 24-bit converters for ultimate signal integrity
- Processes 48 and 44.1 kHz sample rates
- External sample rate synchronization via word clock or ADAT input
- Optical ADAT in/out interface for ultimate compatibility
- All mic/line inputs routed to the ADAT output
- ADAT input routed to all Line outputs
- “Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
- High-quality components and exceptionally rugged construction ensure long life
- Conceived and designed by BEHRINGER Germany
| ISA OneClassic Single-channel Microphone Pre-amplifier with Independent D.I.
Key Features
ISA Series Transformer-based Pre-amplifier
Encased in a rugged and portable chassis, ISA One offers the classic Focusrite microphone pre-amplifier at its lowest cost to date.
Flexible Independent D.I. Channel
ISA One is ideal for both engineers and demanding performers alike, featuring independent gain control, an output for routing to an amp, an independent XLR output on the rear and routing to the optional ADC.
Switchable Impedance
Choose one of four carefully selected input impedances, including the original ISA 110 setting, to suit any microphone.
Optional Stereo 192kHz ADC
This optional card embodies cutting-edge conversion technology, incorporating Focusrite analogue circuitry to deliver the best A-D performance in its class (Dynamic range of 119dB).
Rugged Custom Flight Case
Built to protect your ISA One from the rigors of the road. Rugged plywood construction with a solid polypropylene exterior and reinforced corners.
Headphone Output with Volume Control
ISA One can feed either a sum of the two inputs to the headphones output, or an external stereo cue mix (such as a stereo mix feed from an interface) via two TRS Jack inputs on the rear of the unit.
Dedicated Insert Point
Allows you to place extra processing between the pre-amplifi er or D.I. and the optional converter, such as an EQ or compressor.
Specifications
Analogue Channel Inputs
- XLR Mic input
- One XLR and one TRS line input
- XLR Instrument input TRS Jack
- External ADC input TRS Jack
- TRS jack return
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Analogue Channel Outputs
- TRS jack send
- XLR balanced line output
- XLR DI output
- TS jack DI through
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Analogue Channel Additional I/O
- TRS Jack cue mix left input
- TRS Jack cue mix right input
- 1/4” TRS Jack headphones output
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Mic Input Response
Gain range |
0dB to 60dB in 10dB steps + 20 dB of variable gain |
Input Impedance |
Switched Impedance setting Equivalent Input Impedance at 1kHz |
Low = 600 Ohms
ISA110 = 1400 Ohms
Med = 2400 Ohms
High = 6800 Ohms |
EIN (Equivalent Input Noise) |
-126dB measured at 60dB of gain with 150 Ohm terminating impedance and 22Hz/22kHz band-pass filter |
Noise |
Noise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter |
-97 dBu |
Signal-to-Noise Ratio |
106 dB relative to max headroom (9dBu) |
Total Harmonic Distortion + Noise |
Measured at medium gain (30dB) with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filter |
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Frequency Response |
At minimum gain (0 dB) |
-0.5dB down at 10Hz and -3dB down at 125kHz |
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At maximum gain (60dB) |
-3dB down at 16Hz and -3dB down 118kHz |
CMRR (Common Mode Rejection Ratio) |
98dB (Channel 1, 1kHz, maximum gain with +24 dBu input) |
Crosstalk Channel to Channel |
With 10dB@1kHz input to chA, chB output =104dBrA. With 10dB@10kHz input to chA, chB output = 84dBrA |
Line Input Response
Gain range |
-20dB to +10dB in 10dB steps + 20 dB of variable gain |
Input Impedance |
10 kΩ from 10 Hz to 200 kHz |
Noise |
Noise at main output with gain at unity (0 dB) measured with 50 Ω source impedance and a 22Hz - 22 kHz band pass filter |
-96 dBu |
Signal-to-Noise Ratio |
Measured with a 22 Hz-22 kHz band pass filter |
120 dB relative to max headroom (24 dBu)
118dB relative to 0dBFS (+22dBu) |
Total Harmonic Distortion + Noise |
Measured with a 0 dBu input signal, and a 22 Hz-22 kHz band pass filter |
0.0001% |
Frequency Response |
At unity gain (0 dB) |
-0.3dB down at 10Hz and -3dB down at 200kHz |
Instrument Input Response
Gain range |
10dB to 40dB continuously variable |
Input Impedance |
High = greater than 1M
Low =greater than 300k |
Noise |
Measured with 22 Hz-22 kHz band pass filter |
Minimum gain (+10 dB): -92 dBu
Maximum gain (+40dB): -62dBu |
THD |
At minimum gain (+10) |
Frequency Response |
At minimum gain (+10 dB) |
-10dB input: 10Hz-100kHz +/- 0.6dB |
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At maximum gain (+40 dB) |
-40dB input: -2.5dB down at 10Hz and 0dB at 100kHz |
Meters
Moving Coil (MC) Meter |
factory calibrated to 0VU = +4dBu with 1kHz sinewave. With the VU Cal button pressed the meter can be adjusted on the rear panel to allow 0VU to equal +10dBu to +26dBu with the centre detent being equal to +22dBu. |
Peak LED Meters |
Calibrated in the detent position for 0dBFS = +22dBu, calibration is adjustable on the rear panel to allow 0dBFS to equal +10dBu to +26dBu |
Routing for MC and Peak1 meter is after the HPF, pre insert send or switched post insert return. Peak2 is always pre ADC channel 2, which can be fed by external input or Instrument input. |
LED Levels |
As follows, when peak calibration is set to center detent on the rear panel. (This is when using the internal ADC). |
0 = +22dBu
-2 = +20dBu
-6 = +16dBu
-12 = +10dBu
-18 = +4dBu
-42 = -20dBu |
Frequency Response |
At minimum gain (+10 dB) |
-10dB input: 10Hz-100kHz +/- 0.6dB |
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At maximum gain (+40 dB) |
-40dB input: -2.5dB down at 10Hz and 0dB at 100kHz |
High-Pass Filter
Roll-Off |
18 dB per octave (3 pole filter) |
Frequency |
Fixed 75Hz measured at the 3dB down point |
Weight and Dimensions
W x D x H |
220mm (W) x 104mm (H) x 254 - 290mm (D - top to bottom) |
8.66" (W) x 4.1" (H) x 10" - 11.4" (D - top to bottom) |
Weight |
3.9 kg |
8.6 lbs |
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