Focusrite ISA Two

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Focusrite ISA Two

Focusrite

ISA Two

4.7 Expert Rating

Product Info

Article Number: 280702
Model: ISA Two
Category: Preamps
Price: $988.90

* Prices may vary. Check retailer for current pricing and availability.

The ISA Two is a fantastic, focused preamp – it’s not a full interface, but a dedicated box of sonic goodness. That Lundahl transformer really adds a vintage vibe without sounding muddy, making it a great choice for vocalists, acoustic instruments, or anything needing a touch of warmth and character. If you're looking to elevate your tracking chain, this is a serious contender.

Product Description

  • Focusrite ISA Two
  • 2-Channel mic preamp
  • Lundahl LL1538 mic input transformer
  • Up to 80 dB gain
  • Variable input impedance
  • High-pass filter with variable cut-off
  • 2x XLR mic inputs
  • 2x Line inputs
  • 6.3 mm jack
  • 2x Instrument inputs
  • 6.3 mm jack
  • Insert per channel
  • Line out XLR
  • LED meter per channel
  • Switchable phantom power: 48V
  • Internal power supply
PROS
  • • Lundahl transformer imparts a gorgeous, warm, and musical character.
  • • Variable impedance allows tailoring preamp response to different mics.
  • • Clean, transparent gain up top; handles hot signals gracefully.
  • • Solid build quality; feels robust and designed for studio use.
CONS
  • • Limited to two channels; not ideal for large multi-mic setups.
  • • Insert points are a bit fiddly for complex signal chains.
  • • Premium-priced compared to some other two-channel preamps.

Product Video

Key Features

Channels 2
Preamp Type Discrete Class A with Lundahl Transformer
Gain Range Up to 80 dB
Phantom Power 48V
Connections 2x XLR mic in, 2x Line out XLR, 2x Instrument 6.3 mm jack, 2x Line 6.3 mm jack
Weight 4.4 lbs

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Frequently Asked Questions

The Lundahl transformer adds a subtle harmonic richness and a smoother, more 'analog' feel – it's less sterile and more musical, especially noticeable on vocals and acoustic instruments.
Absolutely, the variable input impedance is a huge advantage for ribbon mics; it allows you to optimize the signal and avoid noise issues common with low-output ribbons.
It's continuously variable, offering precise control over low-frequency rumble and proximity effect – a really useful tool for cleaning up tracks.

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