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Focusrite ISA Two Stereo Mic Preamp Used  From Focusrite

Two Channels Of Classic Focusrite Mic Pres

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Focusrite

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Focusrite // ISA Two recording Hudson Taylor with Joel Laslett Pott

In this video, we join Hudson Taylor in the recording of their track 'Beautiful Mistake' with Joel Laslett Pott at Perivale Studios, using the ISA Two for both guitar and vocals.Win a mix with Damian Taylor & Focusrite.Focusrite’s ISA Two brings together a totally independent pair of legendary ISA microphone preamps from the original ISA 110 module, combining the best of traditional solid-state electronics with the original input transformer specified by Rupert Neve – the Lundahl LL1538. Two is a nice round number – ideal for recording, say, a vocal and an instrument, or a stereo piano. But though you may only need two mic pres, you owe it to your craft to choose the best.

  • Signal Chain
    • Focusrite ISA Two Stereo Mic Preamp

Manufacturer's Description from Focusrite

Focusrite's ISA Two brings together a totally independent pair of classic ISA microphone preamps from the original ISA 110 module, combining the best of traditional solid-state electronics with the original input transformer specified by Rupert Neve – the Lundahl LL1538.

Each mic pre has the option of mic, line or the front-panel instrument input, with variable input impedance to ensure you are getting the best performance from the source. Up to 60dB of gain is available on the first four-position rotary and gain range switches, with a further +20dB of continuously variable trim, meaning a huge 80dB of gain is available should it be required. The high-pass filter features variable cut-off frequency between 16 and 420Hz. A pair of 8-segment LED meters show peak signal level in dBFS, while a rear-panel pot allows calibration to suit your A-D converters. Rear-panel insert points allow the use of inline processors such as compression.

 

Features

  • Classic ISA mic preamp design featuring Lundahl LL1538 input transformer
  • Front-panel instrument inputs
  • Dedicated TRS line input socket with front-panel switch
  • Switchable input impedance including classic ISA 110 setting
  • Dedicated insert points
  • User-calibrated peak-level meters
  • Brainworx bx_console Focusrite – exclusive plug-in that faithfully captures the sound, feel and styling of the original Focusrite ISA 110 Equaliser and ISA 130 Dynamics Modules.
Focusrite

About Manufacturer

The Focusrite brand was established way back in 1985 and the founding principles of the company were to develop products that sounded more musical, in addition to just measuring well - today,we still carry these founding principles forward in our class-leading and award-winning designs. We measure our success by the success of you, our clients, and you will find Focusrite product prominent in professional and project studios throughout the world. Based just outside of London, we work with the best design talent throughout the world to bring you the tools to enhance the way you work. Our product is made with pride and principle in a highly automated ISO 9002 factory with significant level of test by engineers who themselves are musicians and understand the part our product plays in your process. Our commitment: We understand that how your project sounds to you is your most important concern. We are totally dedicated and focused on designing and manufacturing product that will enable you to achieve this goal. Our design goals are that product should be easy to use, logically designed, give class-leading performance and give years of predictable performance. We strive to continuously improve ourselves in these respects - our principal concern is meeting your expectations. Our focus on quality is all consuming - it rules our daily life.

Specifications

 

MIC INPUT RESPONSE


 

Gain Range (Mic)

0 dB to 60 dB in 10 dB steps, plus 0 dB to 20 dB continuously variable trim

EIN (Mic)

Measured at 60 dB of gain with 150 O source impedance and 22 Hz-22 kHz band pass filter -127 dB

Noise (Mic)

Noise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter -97 dBu

Frequency Response (Mic)

At minimum gain (0 dB)-0.5 dB at 10 Hz,?-1 dB at 135 kHz, relative to 1 kHz

At 60 DB Gain (Mic)

-6 dB at 10 Hz, -1 dB at 115 kHz, relative to 1 kHz

Crosstalk Channel To Channel (Mic)

Mic input, with I/P = 0 dBu, gain = 0 dB @ 1 kHz input to channel A, channel B output = -85 dB

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test+O

 

LINE INPUT RESPONSE


 

Gain Range (Line)

-20 dB to 10 dB in 10 dB steps, plus 0 dB to 20 dB continuously variable trim

Input Impedance (Line)

10 kO from 10 Hz to 200 kHz

Frequency Response (Line)

At minimum gain (0 dB)-0.3 dB at 10 Hz, -1 dB at 80 kHz, relative to 1 kHz

Crosstalk Channel To Channel (Line)

Line input, with I/P = 0 dBu, gain = 0dB @ 1 kHz input to channel AChannel B output?= -91 dB

 

INSTRUMENT INPUT RESPONSE


 

Gain Range (Instrument)

10 dB to 40 dB continuously variable trim

Input Impedance (Instrument)

2 MO

Noise (Instrument)

Measured with 22 Hz-22 kHz band pass filterMinimum gain ( 10 dB) = -95 dBu

Frequency Response (Instrument)

At minimum gain ( 10 dB)-0.1 dB at 10 Hz,?-1 dB at 115 kHz, relative to 1 kHz

At Maximum Gain ( 40 DB) (Instrument)

-2.5 dB at 10 Hz, ?-1 dB at 110 kHz, relative to 1 kHz

 

HIGH-PASS FILTER


 

Roll-Off

18 dB per octave (3 pole filter)

Frequency Range

Continuously variable from 16 Hz to 420 Hz (-3 dB)

 

WEIGHT AND DIMENSIONS


 

W X D X H

480 mm x 280 mm x 44 mm

Weight

3.7 kg

Downloads

Action

Name

Description

ISA Two User Guide

Focusrite ISA Two User Guide