The product "FOCUSRITE ISA ONE ANALOGUE" is in the cart.
FOCUSRITE ISA ONE ANALOGUE

FOCUSRITE ISA ONE ANALOGUE

Product Code: ISA-ONE-ANALOGUE.

MICROPHONE PREAMP FOCUSRITE ISA ONE ANALOGUE

$899.00
Retail price: $1,050.00
  • Price Range: 500,00 - 749,99$
  • Form Factor: Desktop
  • Quantity Available: 0
  • Availability: Usually ships within 2 to 5 weeks if in stock at the supplier.
Classic mic pre with independent DI


Featuring a rugged, portable all-metal enclosure, ISA One combines the classic Focusrite microphone preamp with a flexible, independent DI channel and optional 192kHz precision A-D conversion. At the heart of the ISA range is the microphone preamplifier with its Lundahl input transformer – essentially the same circuit, based on the original ISA 110, that has been used for 30 years in successive Focusrite designs. The input transformer imparts a special character to the sound that can't be truly emulated in any other way, while the modern twist of variable input impedance allows for a new degree of flexibility.

Whether you're an artist, engineer or producer, you'll appreciate the versatility of the ISA One, with its front-panel DI input. The DI includes low/high impedance switching and an amplifier output, and its own feed to the optional A-D converter and separate rear-panel XLR output.

  • Classic ISA mic preamp design featuring Lundahl LL1538 input transformer
  • Flexible independent DI channel
  • Switchable input impedance including classic ISA 110 setting
  • Headphone output with volume control
  • Dedicated insert point
  • Optional stereo 192kHz A-D conversion card
specifications
Mic Input Response

 

Gain range (Mic)

0dB to 60dB in 10dB steps 20 dB of variable gain

EIN (Mic)

-126dB measured at 60dB of gain with 150 Ohm terminating impedance and 22Hz/22kHz band-pass filter

Noise (Mic)

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

Signal-to-Noise Ratio (Mic)

106 dB relative to max headroom (9dBu)

Frequency Response (Mic)

At minimum gain (0 dB)-0.5dB down at 10Hz and -3dB down at 125kHz

CMRR (Mic)

98dB (Channel 1, 1kHz, maximum gain with 24 dBu input)

Crosstalk Channel to Channel (Mic)

With 10dB@1kHz input to chA, chB output =104dBrA. With 10dB@10kHz input to chA, chB output = 84dBrA

Line Input Response

 

Gain range (Line)

-20dB to 10dB in 10dB steps 20 dB of variable gain

Input Impedance (Line)

10 kO from 10 Hz to 200 kHz

Total Harmonic Distortion Noise (Line)

Measured with a 0 dBu input signal, and a 22 Hz-22 kHz band pass filter0.0001

Frequency Response (Line)

At unity gain (0 dB)-0.3dB down at 10Hz and -3dB down at 200kHz

Instrument Input Response

 

Gain range (Instrument)

10dB to 40dB continuously variable

Input Impedance (Instrument)

High = greater than 1M Low =greater than 300k

THD (Instrument)

At minimum gain ( 10)

High-Pass Filter

 

Roll-Off

18 dB per octave (3 pole filter)

Frequency

Fixed 75Hz measured at the 3dB down point

Weight and Dimensions

 

W x D x H

220mm (W) x 104mm (H) x 254 - 290mm

Weight

3.9 kg (8.6 lbs)

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