Focusrite ISA 430 MkII - Channel Strip 2RU

Focusrite ISA 430 MkII - Channel Strip 2RU

12.661,00 DKK

Four powerful processors - channel strip-mic amp-equalisation and dynamics-digital conversion
Model/Varenr.: FR-ISA 430 MkII
Focusrite ISA 430 MkII - Four powerful processors - together or independent
Not only is the ISA 430 Mk II a powerful channel strip, combining heritage mic amps, equalisation and dynamics; and optional superb-quality digital conversion, each element (and in the case of the equaliser, each section) can be used as a completely separate device for the ultimate in versatility. The ISA 430 Mk II from Focusrite. It could be the last channel strip you'll ever need.
Focusrite ISA MK2 - The original mic pre - with just a little more
Inside the 2U rack-mount enclosure, the ISA 430 Mk II features a Lundahl transformer-input microphone preamplifier and equaliser based closely on the original ISA 110, itself based on the design for the A7971 console by Rupert Neve, incorporating suggestions from George Martin and engineer Geoff Emerick. Virtually all we've changed is to give the mic pre a variable input impedance to get the best out of any microphone, modern or vintage, accurately or for effect. There's also a special "air" button that opens out the sound without EQ.
Heritage equaliser with extra flexibility
The equaliser itself features two separate parametric bands plus shelving low and high frequencies, high- and low-pass filters and the ability to switch individual EQ elements into the compressor side-chain for frequency-conscious compression, gate keying and other effects. Indeed, the four powerful processors that make up the ISA 430 MkII can all be used independently or patched into each other in a variety of ways for maximum versatility.
Dynamics section combines heritage and modern technology
The dynamics section, once again, recalls the original Trevor Stride/Rupert Neve ISA 130 that dates back to 1987. It features a sophisticated expander/gate section as well as a versatile compressor, both featuring modern transparent VCA-based control elements for maximum compression without artefacts. But in addition, the compressor also features the original vintage optical design for a truly traditional sound, and you can also mix the original signal into the compressor output, maintaining dynamics as you take control. Like the other sections of the ISA 430 Mk II, there's a "Listen" button so you can hear exactly what each module is doing.
Precision 24-bit A/D conversion
The ISA 430 Mk II is supplied with analogue outputs for full integration into a traditional audio path. But it's as perfect a front-end for a digital system as an analogue one, and with that in mind we've created an optional class-leading high-precision 192kHz, 24-bit 2-channel A-D card boasting 120dB dynamic range, that slots straight into the unit. Like the other sections of the ISA 430 Mk II, it can be used as part of the overall channel strip or employed independently.
ISA 430 MkII Specifications

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

Gain Range0 to +60dB in 10dB steps
Input ImpedanceVariable as follows: 600 Ohm, 1k4 Ohm, 2k4 Ohm, 6k8 Ohm
EIN-128dB with 150 Ohm terminating impedance at 60dB of gain
THD0.001% with -20dBu 1kHz input and 20Hz-22kHz bandpass filter
Compressor (VCA mode)

Threshold Range-28dB to +12dB
Ratio1.5:1 to 10:1
SlopeSoft knee
Attack100µs to 100ms
Release100ms to 7s, variable or auto (program dependent)
Compressor (Vintage Opto mode)

Threshold Range-28dB to +12dB
SlopeSoft knee in Comp mode, Hard knee in Lim mode

Low Pass Filter18dB/oct from 400Hz to 22kHz
Parametric SectionComprised 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 sectionComprised of: high frequency shelf, with frequency range steps of 1.5kHz, 3.3kHz, 6.8kHz and 15kHz (2.2kHz, 4.7kHz, 10kHz and 18kHz when Hi Range is engaged), and low frequency shelf, with frequency range steps of 20Hz, 56Hz, 160Hz and 460Hz (33Hz, 95Hz, 270Hz and 655Hz when Hi Range switch is engaged)

Threshold Range-40dB to +10dB
Gate Range0 to -80dB
Attackswitched fast or slow
Release100ms to 5s
Hold20ms to 4s
Expander Ratio0 to 5:1
Threshold Range22dB
Frequency Range2k2 to 9k2
Ratio at centre frequency2:1
Threshold Range20dB
RatioInfinite (Brick Wall)
AttackFrequency Dependent
Weight 7.58kg16.7lbs
Dimension: 484mm (W) x 85mm (H) x 250mm (D)19" (W) x 3.5" (H) x 9.8" (D)
Optional A-D Converter Specs
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 ranges20Hz-20kHz ± 0.3dB (50Hz-16kHz ± 0.1dB)
176.4kHz, 192kHz : 16Hz-55kHz ± 0.5dB
-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
-109dB at 12kHz
Titel Type Størrelse Download
Focusrite-ISA430MKII-Brochure.pdf PDF 650.90KB Download

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