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Focusrite ISA 828 MkII Preamps

Focusrite ISA 828 MkII

3.399,00 €
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Eight-channel mic pre and optional a-d card with dante

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Focusrite ISA 828 MkII

 

The ISA 828 MkII incorporates eight of Focusrite's classic mic preamps, with Lundahl LL1538 transformers on every input. Each channel has the option of mic or line inputs, while inputs 1-4 also feature instrument inputs on the front panel. Each mic pre has variable input impedance, to provide a range of subtly different sonic options when using microphones, including an 'ISA 110' setting, which replicates the impedance of the original Focusrite mic pre.

Up to 60dB of gain is available, with a further +20dB of continuously variable trim, providing a huge 80dB gain range. The high-pass filter has a fixed 75Hz frequency and 18dB / octave roll-off for minimising rumble, stand-borne noise and other low-frequency sounds. The ISA 828 MkII also features per-channel, six-segment LED meters, and switchable rear-panel insert points, which allow the use of inline processors such as compressors or EQs.

Dedicated connectors for mic and line-level inputs allow all sources to be connected simultaneously, making ISA 828 MkII perfect for permanent installation in a rack. A switching power supply allows for efficient, cool operation, without sacrificing sound quality or performance, and increasing reliability over its predecessor. The optional ISA ADN8 analogue-to-digital expansion card provides eight Dante, ADAT and AES3 outputs at sampling rates of up to 24-bit / 192kHz.And as with all Focusrite Pro products, wherever you happen to be in the world, you can rely on a three-year warranty if any Focusrite Pro hardware needs repairing or replacing due to a manufacturing fault.

  • Optional A-D card with up to 192kHz, 24-bit sampling offers high-quality digital audio conversion to Dante, ADAT and AES3
  • Classic ISA mic preamp design featuring Lundahl LL1538 input transformer
  • Switching power supply design allows for efficient and cool operation
  • Front-panel instrument inputs to first four channels
  • Line inputs with dedicated input connectors and front-panel select switch
  • Switchable input impedance including classic ISA 110 setting
  • High-pass filter with fixed 75Hz frequency and 18dB/octave roll-off
  • Switchable insert points when used with A-D card
  • Per-channel six-segment LED peak-level meters
  • As with all Focusrite products, you'll also benefit from a three-year warranty
  • Brainworx bx_console Focusrite – exclusive plug-in that faithfully captures the sound, feel and styling of the original Focusrite ISA 110 Equaliser and ISA 130 Dynamics Modules.

MIC INPUTS

  • Gain Range 0dB to +30dB (30-60 switch disabled) and +30dB to +60dB (30-60 switch enabled) in 10dB steps, with an additional +20dB of continuous trim
  • Input Impedance Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
  • Max. Input Level +7dBu, min gain, medium Z
  • Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.2dB, min gain, medium Z
  • THD + N -91dB (0.0028%) @ -1dBr, min gain, medium Z
  • EIN -123dBu 'A'-Weighted (typical)
  • Signal-To-Noise Ratio 122dB 'A'-Weighted (typical), medium Z
  • Common-Mode Rejection Ratio 997Hz CMRR: -93dB, min gain, medium Z
  • Phantom Power +48V, independently switchable per channel
  • High-Pass Filter 75Hz knee frequency, 18dB/Octave, independently switchable per channel
  • Phase Inverts the phases of the selected input
  • Frequency Response (10Hz - 110kHz) 10Hz - 110kHz ±1.5dB, min gain, medium Z

WEIGHT AND DIMENSIONS

  • Weight (Without Accessories) 7.05kg / 15.55lbs
  • Weight (With Accessories) 7.48kg / 16.49lbs
  • Height 88mm / 3.46"
  • Width 482mm / 18.98"
  • Depth 325mm / 12.80"

LINE INPUTS

  • Gain Range -20dB to +10dB in 10dB steps, with an additional +20dB of continuous trim
  • Input Impedance Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
  • Max. Input Level +25dBu, min gain, low Z
  • Frequency Response (20Hz - 20kHz) 20Hz - 20kHz ±0.1dB, min gain, low Z
  • THD + N -91dB (0.0028%) @ -1dBr, min gain, low Z
  • Signal-To-Noise Ratio 122dB 'A'-Weighted (typical), min gain, low Z
  • Frequency Response (10Hz - 122kHz) 10Hz - 122kHz ±3dB, min gain, low Z

INSTRUMENT INPUTS

  • Gain Range +10dB to +40dB with continuous gain using trim pot

CROSSTALK

  • Microphone Talk back-60dB; 20Hz - 20kHz, min gain, medium Z

LINE CROSSTALK

  • Microphone Talkback -80dB; 20Hz - 20kHz, min gain, medium Z

INSTRUMENT CROSSTALK

  • Microphone Talkback -80dB; 20Hz - 20kHz, min gain, medium Z

FRONT PANEL CONNECTIVITY

  • Channel Count: 2 Channels In
  • Instrument Inputs 4 x 1/4" jack inputs
  • Instrument Inputs 4 x 1/4" jack inputs

REAR PANEL CONNECTIVITY

  • Mic Inputs Input: 8 x Female XLR

LINE LEVEL

  • Channel Count 8 In and 8 Out
  • Input 8 x 1/4" jack inputs
  • Output 1 x DB-25 connectors (AES59)

INSERTS

  • Channel Count 8 In
  • Input 1 x DB-25 connectors (AES59)
  • DIGITAL CARD SLOT
  • Compatible Card
  • ISA ADN8
  • PSU 1 x IEC Input

REAR PANEL INDICATORS

  • Control Functions 1 x Pot (Meter Trim)
  • POWER PSU
  • 1 x Internal, 100-240V, 50/60Hz, consumption 35W.
  • HEAT PERFORMANCE
  • Operating Temperature
  • Operates at up to an ambient temperature of 40 degrees Celsius

FRONT PANEL INDICATORS

  • Control Functions
  • 16 x Pots (Gain and Trim). 60 Switches (On/Off Switch, 30-60 Gain, +48V, Phase, HPF, Insert, Z In, Input, Meters Pre A-D, Clock Select and Ext. Word Clock)

GFO02000183

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