ISA 430 Producer's Pack
Main Features:
- Focusrite professional mic-pre; a classic dual-gain transformer-based design, plus Line and Instrument inputs mean a flexible front end which also includes phantom power and phase reverse.
- Post-pre-amp output immediately after the pre-amp which is fed directly to a balanced output. This creates an ultra-short signal path for the cleanest, highest quality recordings possible.
- Original ISA 110 EQ. 4 Band: fully parametric Hi- and Lo-Mids, stepped frequency shelving Low- and High- bands, plus Swept Hi- and Lo- Pass filters. This is the exact Rupert Neve EQ used in every channel of the Focusrite Studio Console.
- Compressor- featuring a custom Class A Focusrite VCA and sidechain control circuit from the original Focusrite ISA 130.
- Expander/Gate - also shares the ISA 130’s vintage heritage.
- De-esser - an opto design, updated from the original ISA 130 circuitry, which uses an EQ-based subtractive circuit (less intrusive on the non-sibilant frequencies) and which is much more effective and transparent than traditional VCA designs.
- Multi-band Limiter - a 3-band "Frequency-adaptive’ Limiter which has different limiting properties for each of the three frequency bands, giving true distortion-free limiting.
- Optional 24-bit/96kHz digital output board, with AES/EBU, TOS-link and SPDIF formats, 44.1-96kHz operation, sample rate selection, external wordclock, and Digidesign’s proprietary Superclock.
- Incredibly flexible routing and monitoring - there is a discrete insert send and return which can be placed before EQ and Dynamics modules, between the two, or after both.
Additionally, all
bands of EQ can be independently routed into the sidechain of the compressor
and/or gate for accurate drum gating, or frequency-selective compression,
(eg bass-compensated compression for dance music). The vintage-style VU
Meter can display input, insert return or gain reduction levels. "Listen"
mode allows monitoring of the sidechains of the Compressor/Gate/Limiter/De-esser
so that accurate frequency adjustment can be made when tailoring the various
dynamic effects.
Single or Split Modes - the unit can be run as a "Producer Pack"
(single multi-module unit,) or split to act as two independent processors
running discrete audio paths. Split mode allows the insert send and return
connections to act as independent inputs and outputs to the dynamics section,
creating two modules in one, with separate EQ and dynamics; perfect for
mix down. An external input can be summed into the module output to allow
reverb or other effects to be mixed into the processed signal before recording.
Stereo A/D- the 430 can be used as a high quality 24/96 stereo converter
channel for final mastering or analogue transfer to digital. The external
input and mic/line inputs (when selected to bypass) are both fed to the
A/D inputs via the multi-band limiter, giving a clean, protected, high-quality
path to digital.
Outputs are transformer-based to complete the classic Focusrite "warm-yet-transparent"
sonic signature.
| Specifications: Rear Panel Connectors | |
| Insert
Send Connector: XLR Signal: Balanced Operating Level: +4dBu Maximum O/P Level: +26dBu This output has two modes of operation: INSERT IN, the connector is an output from the point in the signal path determined by the Pre, Mid and Post selector and the Dyn Pre EQ button. SPLIT, the connector is the output of the dynamics section of the module. |
Insert
Return Connector: XLR Signal: Balanced Operating Level: +4dBu Maximum I/P Level: +26dBu This input has two modes of operation: INSERT IN, the connector is the return or input to the signal path determined by the Pre, Mid and Post selector and the Dyn Pre EQ button. SPLIT, the connector is the input nto the dynamics section of the module. |
| Inst.
Hi Z I/P Connector: Mono Jack Signal: Unbalanced (from any high impedance source such as guitar or bass pickups) Operating Level: -10dBu Maximum I/P Level: +10dBu Gain Range: +10 to +40dB Input Impedance: >1M |
Line Connector: XLR Signal: Balanced Operating Level: +4dBu Maximum I/P Level: +26dBu Gain Range: +/-18dB in 6dB steps Input Impedance: 10K Noise: -96dBu THD: 0.003% with 0dBu 1kHz input and 20Hz-22kHz bandpass filter |
| Mic Connector: XLR Signal: Balanced(Transformer) Operating Level: +4dBu Maximum I/P Level: +26dBu Gain Range: -6 to +60dB in 6dB steps Input Impedance: 1k2 Noise: 123dB EIN with 150 input resistance at 60dB of gain THD: 0.0008% |
Post
Mic OP Connector: XLR Signal: Balanced Operating Level: +4dBu Maximum O/P Level: +26dBu Signal is routed directly from the Preamp after the gain stage, trim and phase reverse circuits of the input section and can be fed from the Mic, Line or Instrument |
| OP1 Connector: XLR Signal: Balanced (Transformer) Operating Level: +4dBu Maximum O/P Level: +26dBu Signal is the transformer output stage. |
Ext
A/D Direct I/P Connector: XLR/Jack Signal: Balanced Operating Level: +4dBu Maximum I/P Level: +22dBu=0dBFs |
| Int
A/D Direct I/P Connector: TRS (Stereo) Jack Signal: Balanced Maximum I/P Level: +22dBu=0dBFs Inserting the jack breaks the connection of the A/D input from the signal path and routes the signal from the jack directly to the A/D (Via the meter and limiter). |
Gate
Key I/P + Comp Key I/P Connector: TRS (Stereo) Jack Signal: Balanced Operating Level: +4dBu Maximum I/P Level: +26dBu Drives the sidechain of the gate or compressor. |
| Dynamic
Link Links two ISA430 units and control the dynamics section of both from one unit giving accurate stereo dynamics control. |
De-Esser Threshold Range: 22dBu Frequency Range: 2K2 to 9K2 Ratio at Centre Frequency 2:1 |
| Compressor Threshold Range: -28dB to +12dB Ratio: 1.5:1 to 10:1 Slope: Soft knee Attack: 100µS to 100mS Release: 100mS to 4S, variable or auto (program dependent) |
Limiter Threshold Range: 22dBu Ratio: 8(infinity) Attack: Fast 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 |
BACK TO: INTRO Pg. 1, 2, 3; "The Rack"
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