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Focusrite ISA 828 MkII

$3795
In stock
SKUISA 828 MkII
1
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About this product

Sharing the simple mic preamp design of the original Focusrite ISA 110 module from the Focusrite Studio Console, ISA 828 MK2 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.

Specifications

The details.

CH / General

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
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
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
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)
Rear panel indicators
Control Functions
 1 x Pot (Meter Trim)
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