-114.00€
 
Warranty: 36 month
ISA 430MKII
Analog gears - Channel strip

ISA 430MKII

Retail Price
1,799.00€
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114.00€
1,685.00€
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The ISA430 MkII brings together a set of classic Focusrite heritage elements:

-Classic Focusrite ISA transformer-based mic pre with variable input impedance
-Versatile equalisation including two dual-range parametrics, HPF and LPF
-Dual-mode Compressor with both VCA and optical circuitry
-VCA-based expander/gate with hysteresis setting to avoid chattering
-Phase-cancellation de-esser for more natural processing
-Optional 192kHz/24-bit A-D conversion with soft limiter

Together, they form a comprehensive channel strip with impeccable specifications. But the ISA430 MkII is much more than that. The four main elements mic pre, EQ, Dynamics and A-D converter can be accessed individually and each used as a separate processor. Elements can be chained and patched together via multiple inserts and in different orders to form a variety of signal paths to meet every processing requirement. Used as either a comprehensive channel strip or as separate processors, the ISA430 MkII offers you the pinnacle of classic Focusrite analogue processor design and performance. Theres simply nothing quite like it.

The Most Versatile Channel Strip
Bring these elements together and you have the most versatile analogue channel strip available, with uniquely flexible patching and routing in addition to four powerful processors that can be used completely independently. And all with that unique Focusrite heritage sound. The ISA430 MkII. Nothing sounds like it in so many ways.

Line
-Gain Range: +10dB to +40dB continuously variable
-Input Impedance: >1M Ohm

Mic
-Gain Range: 0 to +60dB in 10dB steps
-Input Impedance: Variable as follows: 600 Ohm, 1k4 Ohm, 2k4 Ohm, 6k8 Ohm
-EIN: -128dB with 150 Ohm terminating impedance at 60dB of gain
-Noise: -97dBu
-THD: 0.001% with -20dBu 1kHz input and 20Hz?22kHz bandpass filter

Compressor (VCA mode)
-Threshold Range: -28dB to +12dB
-Ratio: 1.5:1 to 10:1
-Slope: Soft knee
-Attack: 100s to 100ms
-Release: 100ms to 7s, variable or auto (program dependent)

Compressor (Vintage Opto mode)
-Threshold Range: -28dB to +12dB
-Ratio: 1.5:1 to 5:1 in Comp mode, 5:1 to 20:1 in Lim mode
-Slope: Soft knee in Comp mode, Hard knee in Lim mode
-Attack: Fixed
-Release: Fixed

EQ
-Low Pass Filter: 18dB/oct from 400Hz to 22kHz
-High Pass Filter: 18dB/oct from 20Hz to 1k6Hz
-Parametric section is comprised of: Low-mid & Hi-mid parametric, each with continuously variable boost/cut with centre detent, frequency sweep control with two ranges, and fully variable Q. Low-mid frequencies 40Hz to 400Hz (120Hz to 1k2Hz when x3 is pressed). Hi-mid frequencies 600Hz to 6kHz (1k8Hz to 18kHz when x3 is pressed)
-Shelving section is comprised of: High Frequency Shelf: The frequency range steps are 1.5kHz, 3.3kHz, 6.8kHz and 15kHz (2.2kHz, 4.7kHz, 10kHz and 18kHz when Hi Range is engaged). Low Frequency Shelf: The frequency range steps are 20Hz, 56Hz, 160Hz and 460Hz (33Hz, 95Hz, 270Hz and 655Hz when Hi Range switch is engaged)

Gate
-Threshold Range: -40dB to +10dB
-Gate Range: 0 to -80dB
-Attack: switched fast or slow
-Release: 100ms to 5s
-Hold: 20ms to 4s
-Expander Ratio: 0 to 5:1

De-Esser
-Threshold Range: 22dB
-Frequency Range: 2k2 to 9k2
-Ratio at centre frequency: 2:1

Limiter
-Threshold Range: 20dBu
-Ratio: infinite (Brick Wall)
-Attack: Frequency dependent

Weight
-7.58kg
-16.7Ibs

Dimensions
-484mm (W) x 85mm (H) x 250mm (D)
-19 (W) x 3.5 (H) x 9.8 (D)

Optional A-D Converter 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: 20Hz20kHz 0.3dB (50Hz16kHz 0.1dB)
-176.4kHz, 192kHz : 16Hz55kHz 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
  • ISA 430MKII
  • ISA 430MKII

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