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Focusrite ISA 828 MKII 8-channel Mic Preamp
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.
Freatures:
- 8-channel mic/line preamp with front-panel instrument inputs (channels 1–4)
- Legendary ISA mic preamp design featuring Lundahl LL1538 input transformer
- Switching power supply allows for efficient, cool operation and greater reliability
- Line inputs with dedicated input connectors and front-panel selector switches
- Switchable input impedance, including classic ISA 110 setting
- Slot for optional ISA ADN8 8-channel A-D card (available separately)
- Switchable insert points when used with ISA ADN8 card
- Per-channel highpass filter, polarity reverse, and 6-segment LED peak level meter
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Technical Specification
- Preamp Type: Solid State
- Number of Channels: 8
- Phantom Power: Yes
- EQ: Highpass Filter (75Hz, 18dB/Octave, Switchable per Channel)
- Sample Rate: Up to 192kHz
- Bit Depth: Up to 24-bit
- Analog Inputs: 8 x XLR, 12 x 1/4" (8 Line, 4 Instrument), 1 X 8-Channel DB-25 (8 channels)
- Analog Outputs: 1 x DB-25 (8 channels)
- Frequency Response: 20Hz-20kHz (±0.1dB)
- Software: RedNet Control
- Rack Spaces: 2U
- Power Source: Standard IEC AC cable (included)
- Height: 3.46"
- Depth: 12.80"
- Width: 18.98"
- Weight: 15.55 lbs
- Warranty: 1 year
What Is In The Box
- Focusrite ISA 828 MKII 8-channel Mic Preamp
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Manufacture Description
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
this allows 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.