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Focusrite ISA Two Preamp 2 kanaler

Art.nr: 304-00107

15.325,-

Antall:

Focusrite

Normalt 3-5 dagers leveringstid, så lenge varen er på lager hos leverandør.

Dual Focusrite ISA preamp, 19"/1U

To-kanals ISA mikrofonforsterker med variabel impedans og feite Lundahl-trafoer.

Ved siden av de to mik/instrument/linje inn, har kanalene variabel impedans, polaritetsvender, trinnløst tredjeordens hipassfilter (opp til 420 Hz), balanserte insertpunkter og kalibrerbare 8-LEDs nivåmetere.

Lundahl LL 1548-trafoene gir et helt karakteristisk sound. De påfører signalet en subtil andreharmonisk forvrenging som gjør at lyden oppleves som ”varm”. Når man driver de hardt, vil de også komprimere på ganske lik måte som analog tape.

Two channels of classic Focusrite mic pres

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.

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

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

https://pro.focusrite.com/category/mic-pres/item/isa-two

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Focusrite

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.