Focusrite ISA Stereo ADC

Focusrite ISA Stereo ADC Review

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Focusrite ISA Stereo ADC Feature

• Focusrite's R and D team have carefully considered the organisation of the PCB layout and grounding, ensuring that the S/N ratio and linearity of the converter are optimised. The noise floor and THD (Total Harmonic Distortion) are kept to a minimum by the nature of the power supply and the analogue input design, with analogue filtering positively effecting the sound of the digital noise.
• With the converters housed within the analogue units, the signal path is kept as short as possible, having no unnecessary analogue connections to the inputs of recording equipment. In addition, Focusrite units do not contain extraneous clocks or other sources of digital noise, unlike so many digital desks and multi-I/O DSP configurations.
• The Focusrite ISA 2-channel A/D Card embodies cutting-edge conversion technology, encompassed within pristine Focusrite circuitry, providing 2 channels of the highest quality 24-bit conversion at all sample rates up to 192kHz. Digital output formats include 2 channel single/dual wire AES/EBU or 2 channel S/PDIF, all via a 9 pin D-type connector, as well as optical S/PDIF and ADAT. The ADAT (TOSlink) port is stereo and operates at 24-bit, up to 96kHz. The card comes as standard with the ISA One Digital and can be retrofitted to an ISA 430 MKII or an ISA One at any time.
• Just paying for the PCB and circuitry, without any additional casing and metalwork, affords a considerable reduction in cost whilst maintaining an extremely high level of sonic clarity. However, the benefits from installing Focusrite's optional ADC extend far beyond the obvious financial advantages and space saving issues. As most converters use the same chips, it is the quality of the surrounding analogue circuitry that makes the difference. This is the reason why the ISA ADC is unrivalled in terms of both price and performance.
• In addition, the supporting circuitry around the ADC (dealing with data transmission, bit reduction and incoming word clock) has been carefully structured, as it influences the converter through heat, power supply and data jitter. One of the most important aspects of the ADC is the clock design, as this determines the linearity of the digital output. All Focusrite ADCs are designed to have incredibly low jitter figures (44.1kHz-192kHz < 20 psec) which significantly improve the quality of the sound.

Focusrite ISA 2-channel A/D Card Specifications: -Output formats (All channels) -AES/EBU (5V / 110 ohms), S/PDIF (0.8V / 75 ohms) -ADAT lightpipe (SMUX I/II/IV) -S/PDIF lightpipe -Bit depth 24 bits -AES3 output jitter - <:500ps, 50Hz-100kHz - <:400ps, 700Hz-100kHz -Frequency response -All ranges: 20Hz-20kHz ± 0.3dB (50Hz-16kHz ± 0.1dB) -176.4kHz, 192kHz : 16Hz-55kHz ± 0.5dB -THD+n - -117.5dB A-weighted, audio band-limited, 1kHz, -60dB FS input -Maximum 0.004% at -1dB FS (1kHz) -Minimum 0.0008% at -13dB FS (1kHz) -Idle channel noise -113.5dB at 44.1kHz, CCIR-weighted, full bandwidth -Crosstalk - -109dB at 12kHz

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Customer Review

Feb 01, 2012 01:30:44

Lexicon Alpha Desktop Recording Studio

Lexicon Alpha Desktop Recording Studio Review

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Lexicon Alpha Desktop Recording Studio Feature

• Record up to 2 tracks at once
• 44.1kHz to 48kHz sample rates, 16-bit or 24-bit resolution
• One XLR mic, two TRS line, and one Hi-Z instrument inputs
• Two TRS and RCA line outputs
• Software suite includes Cubase LE4 and Lexicon Pantheon VST reverb plug-in

The Lexicon Alpha Desktop Recording Studio continues the tradition of excellence established by its popular siblings, the Lambda and Omega desktop recording studios. Alpha Studio is a bus-powered 2x2x2 USB I/O Mixer packaged as a complete recording solution with Cubase LE and the Lexicon Pantheon VST Reverb plug-in. The Alpha Studio features one XLR microphone input, two TRS line inputs, and two TRS & RCA line outs. Alpha's front panel features an ultra high-z 1/4-inch instrument input for direct to computer recording and a 1/8-inch high powered headphone output for use with professional or consumer headphones. Record anywhere you can carry your laptop! Studio quality hardware and powerful software that turns your PC or Mac into a 24-bit recording studio. FOUR INPUTS: RECORD UP TO TWO TRACKS AT ONCE! Stereo line inputs for keyboards, drum machines or analog output of a CD/MP3 player. RF-filtered TRS active-balanced inputs accept either balanced or unbalanced signals. Low-noise mic preamp with balanced XLR inputs. High-impedance front panel input for electric guitar or bass. PROFESSIONAL MIXER FEATURES Separate mic and line level input controls with individual peak indicators. Monitor mix control for balancing an audio source between live input and playback mix level while recording. Can be switched to stereo or mono. High-powered headphone amp offers ultra-clear fidelity while delivering ample power for any type of headphones. RF-filtered and TRS balanced Line outputs for speaker monitoring. USB POWERED Connect to your computer with the included USB cable and record with the included Cubase LE software. No need for a power supply... so you can record anywhere you can take your laptop.

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Focusrite ISA-828 High End 8-Channel Mic Pre Mic PreAmp

Focusrite ISA-828 High End 8-Channel Mic Pre Mic PreAmp Review

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The ISA828 eight channel microphone pre-amplifier provides eight original ISA transformer-based pre amps in a single robust 2U chassis, offering the Focusrite signature sound at its lowest cost per channel to date.

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Jan 28, 2012 14:14:57

Focusrite Control 2802 Small Format Analog Mixing Console with Ethernet-Based DAW Control

Focusrite Control 2802 Small Format Analog Mixing Console with Ethernet-Based DAW Control Review

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Focusrite Control 2802 Small Format Analog Mixing Console with Ethernet-Based DAW Control Feature

• Transparent Class A microphone preamplifiers
• Stereo mix bus compressor with parallel compression
• High-end analog summing mixer
• 32 inputs to mix within a natural analog workflow
• Comprehensive Ethernet-based DAW control layer

Focusrite Control 2802 is a small-format analog recording console and a DAW control surface in one. It forms both the digital control nerve center and the analog heart of the modern professional project studio, allowing you to control every major digital audio workstation. With an array of superb-quality analog features packed into its compact frame, Focusrite Control 2802 includes capabilities you would expect to find only on large-format consoles. Eight Class-A microphone preamps deliver clear, transparent performance. Then at its heart is a powerful summing mixer handling up to 32 simultaneous inputs with ultra-low distortion, excellent dynamic range, and a frequency response wider than the human ear. There's a punchy master bus compressor featuring parallel compression for versatile control of dynamics for your stereo mix - or any other pair of channels. High-end analog design characterizes the 2802, implemented with similarly uncompromised components and build quality throughout. Dual Layer Control Technology lets you flip from analog fader layer to DAW layer in an instant, accessing fully integrated control of DAW faders, auxes, plug-ins, automation, project navigation, and more. With Ethernet-based control, your favorite music software is always at your fingertips. The Control 2802's motorized 100mm analog and DAW control faders can both be fully automated. Easily adjust DAW channel auxes, inserts and groups within Pro Tools, Logic, Cubase and Nuendo via a HUI interface. Four multi-function encoders give you precise control while OLED screens provide detailed information on mix elements. Combined with dedicated transport controls, that means more time to get your sound just right. In the box are the Focusrite Midnight and Forte plug-in suites, allowing you to add compression and EQ to take your mix to the next level. Of course the plug-ins can be controlled and assigned to channels from the comfort and convenience of the Control 2802.

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Jan 19, 2012 15:42:37

Focusrite Mh439 Octopre S/Pdif Cable Assembly

Focusrite Mh439 Octopre S/Pdif Cable Assembly Review

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Focusrite MH439 OctoPre S/PDIF Cable Assembly

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Focusrite Liquid 4PRE ES Card - Optional Ether Sound Card for compatible Focusrite products

Focusrite Liquid 4PRE ES Card - Optional Ether Sound Card for compatible Focusrite products Review

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Focusrite's Liquid 4PRE ES Card enures LIQUID4PRE can be seamlessly integrated into an EtherSound environment.

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Focusrite ISA428MKII and Sterling ST69 Microphone

Focusrite ISA428MKII and Sterling ST69 Microphone Review

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Focusrite ISA428MKII and Sterling ST69 Microphone Feature

• Focusrite ISA428 MkIIFour ISA series transformer-based preampsEight-channel optional A-D converterSelectable impedanceFour front panel instrument inputsDedicated analogue insert pointsVariable high-pass Focusrite filterAccurate LED meters for every channelSterling ST69Cardioid, Omni, and Figure-8 patternsLow noise, low heat, 6205 tube circuitDouble-sided 1" all brass capsule, hand assembled and oven baked for long term stable operationUltra-thin 3-micron gold-evaporated Mylar diaphragm provides

This is a superb front end for your recording system, whether for a home studio or a professional recording suite. The Focusrite ISA428 MkII provides four of Focusrites prestigious transformer-based microphone preamps in one convenient rackmountable chassis. It features the same classic circuitry and renowned audio quality found in the original Focusrite ISA mic pre at a new level of affordability. With selectable input impedance, direct instrument inputs and an optional eight channels of high-quality analogue to digital conversion, the ISA428 MkII creates the perfect front end for the discerning recording professional. Add to that a Sterling ST69 microphone and you have the beginning of a very sweet signal chain.Sterling ST 69Sterling Audio's ST69 Tube Microphone is an excellent choice for recording engineers and musicians looking for a superior studio microphone. A combination of new and traditional technology, blended with our Disk Resonator system, yields wide frequency response and quick transient response without sacrificing warmth and tone. It's ideal for capturing the full, detailed sound of vocals, acoustic & electric instruments, and drums. And its precision machined, brushed stainless-steel finish complements the ST69's technical brilliance.ISA428 MKIIFirst introduced in 1985, the ISA microphone preamp holds a reputation for outstanding transparency along with subtle warmth contributed by transformer core saturation. The addition of a variable impedance circuit allows ISA users to perfectly match the preamp with any microphone, or to use different settings creatively to shape the sound of the microphone. Unchanged for decades, the ISA microphone preamp topology offers incredible clarity and the signature Focusrite sound that makes it the top choice among many audio professionals today.The optional class-leading eight-channel A-D converter option used with the ISA828 is also compatible with the ISA428 MkII. Along with the four mic preamp inputs, four a

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Jan 06, 2012 18:33:03

Focusrite ISA430/220 ADC - Optional 24 bit/ 96kHz Stereo ADC for the ISA220

Focusrite ISA430/220 ADC - Optional 24 bit/ 96kHz Stereo ADC for the ISA220 Review

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With Focusrite's stereo ISA430/220 A/D card installed, the ISA 220 can be used as a high quality mono/stereo tracking converter, or at mix down as a stereo converter channel for routing complete mixes to digital media.

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Focusrite Midnight ISA 110 and ISA 130 Plug-in Suite

Focusrite Midnight ISA 110 and ISA 130 Plug-in Suite Review

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Focusrite Midnight ISA 110 and ISA 130 Plug-in Suite Feature

• Powerful DSP modelling
• Legendary Focusrite audio quality
• Exquisite high-definition graphic user interface
• The sound at the heart of the digital studio
• Provides quality tools you can afford

Focusrite’s new Midnight plug-in suite takes two of the most iconic Focusrite modules of all time–the ISA110 equalizer and ISA130 compressor; models their sound exactly with powerful DSP technology; and gives them elegant, functional on-screen front panels that make them simplicity itself to use. Now you can add that authentic, classic Focusrite sound to your own tracks at a price you can afford. Your productions have never sounded so good. The ISA110 and 130 modules, created for the legendary Forté console in the 1980s, represent the epitome of Focusrite analog audio processing, and performed a vital role in the making of literally thousands of hit records–they still change hands for thousands today. Their new digital incarnation in the Midnight suite for AU, VST and RTAS gives them stunning new hi-def on-screen front panels so realistic you’ll believe you can grab a knob with your fingers. In fact, of course, you can tweak them with a click and a drag of the mouse, or graphically edit the response curves. But whichever way you want to go, behind each exquisite graphic front-panel lies powerful DSP code that exactly models the original analogue processors that inspired the Midnight suite, with all the warmth, clarity, control and incredible sound of those original analogue designs. A glance at those clear, clean analog-style front panels and you’ll know exactly how to use the Midnight suite. The controls are simple and intuitive. The meters are responsive and accurate. And the sound… these plug-ins sound as good as they look, putting classic Focusrite clarity and warmth under your fingertips.

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Jan 01, 2012 13:01:02