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Focusrite ISA428 Mk II 4 Channel Pre Pack Pre-Amp

€2,490.00Price Includes
VAT @ 23%
Not currently in stock, but available to order
Item available to order

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Estimated delivery: 7th - 8th January
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5-year warranty & 30-day money-back guarantee included

5-year warranty & 30-day money-back guarantee included
You can purchase from Gear4music with complete confidence and peace of mind. All of our products are new unless stated and come with a 30-day money-back guarantee and a 5-year warranty as standard.

Once the product is delivered, you'll have 30 days to decide that you definitely want to keep it. If you decide it's not suitable, you can return it to us for an exchange or a refund, providing the product is in 'as new' condition and in its original packaging.

We do everything we can to make sure the right item reaches you in perfect condition. If your order arrives damaged, or is incorrect, let us know within 14 days of receiving it and we'll arrange for a free collection.

If your goods develop a fault within the warranty period, we'll quickly repair or replace the item for you. If the fault occurs within the first 180 days of your ownership, we'll collect the goods and deliver them back to you free of charge.

We're unable to accept returns of any custom-made items designed to work together as a unique package. Some items are only eligible for the money-back guarantee if they are returned to us unused and sealed in the original packaging.

For full information on our returns policy, please refer to our returns and refunds information page.

If you decide your order isn't suitable for any reason you can return it - just let us know within 30 days of receiving it. Please keep hold of all the original packaging until you're sure you want to keep the order.

Eligibility for Money Back Guarantee

Important: For hygiene and software licensing reasons, some items are only eligible for our Money Back Guarantee if they are returned to us unused and sealed in the original packaging with all software still "unregistered." Details of exclusions are shown within the product descriptions. Products include:
- Monitors and Headphones
- Earplugs and Ear Protection
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We can collect your return for a small fee, or you can send it back to us yourself. The collection fee can be found in the returns information on each product's page on Gear4music.

In the unlikely event that any item in this order is faulty, damaged or incorrect on receipt, notify us within 14 days and we'll arrange a free collection.

When returning an order please ensure products are appropriately packaged and protected, to prevent them from getting damaged.

Summary of returns policies and timescales

This table provides an overview of your statutory consumer rights, compared with our standard returns policy and optional extended money back guarantee and warranty.

UK & Europe EU Standard Gear4music Standard Gear4music Optional
Return Period 14 days 30 days up to 180 days
Standard delivery charges refunded? Yes Yes Yes, up to 30 days
Upgraded delivery charges refunded? Standard costs only Standard costs only Standard costs only
Free collection on cancellation No No Yes, up to 30 days
Free collection if defective, delivered damaged or incorrect item Yes, within 14 days Yes, within 14 days Yes, within 30 days

We are unable to accept returns of any custom made items designed to work together as a unique package and some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging. For full information on our returns policy, please refer to our returns and refunds information guide.

10 YEAR EXTENDED WARRANTY SCHEME

The product price includes 5 years' warranty and 30 day money back guarantee.

However, the Gear4music extended warranty scheme provides an enhanced service, and is designed to offer a higher level of protection than many 'free' warranties offered by some retailers and manufacturers.

The highlights of this enhanced warranty service are:

  • Warranty is extended to 10 years from the date of delivery.
  • Our Money Back guarantee is extended from 30 days to 180 days (terms apply after 30 days)
  • Collection and delivery costs are included for the first 2 years in the event of an item becoming faulty
  • Claim 50% cash back on the cost of the policy after 10 years if it has not been used!
  • Warranty is transferable if the item is re-sold
  • Loan or replacement equipment will be provided if the product isn't repaired within 30 days
  • If an item can not be repaired, a similar alternative product or cash discount (as defined in this policy) will be offered
  • The policy can be cancelled within 30 days, and at any time after that for a pro-rata discount

Please note that this extended warranty is currently only available on products sold within the UK, EU or EEA, and is subject to the terms and conditions as detailed on the extended warranty certificate provided.

For customers in outlying areas of the country, the price of the Extended Warranty may be marginally higher, due to the potential for higher collection and redelivery transport costs.

This enhanced warranty is in addition to the standard Gear4music and manufacturer warranty policies, and the Gear4music terms and conditions of trade. No statement or condition of sale contained within these terms affects or restricts your statutory rights as defined under the Consumer Contracts Regulation 2014.

Key Features

  • FREE iZotope Ozone 11 Elements - limited time only
  • Four classic-style transformer-based preamps
  • Switchable impedance for enhanced flexibility
  • Classic 'ISA 110' setting - providing Focusrite's original signature sound
  • Four front-panel instrument inputs and eight-channel AD converter

Focusrite ISA428 Mk II 4 Channel Pre Pack Pre-Amp Overview

The Focusrite ISA428 Mk II 4 Channel Pre Pack Pre-Amp is a powerful and versatile piece of equipment that brings professional-grade audio quality to your studio. This compact 2U enclosure houses four of Focusrite's renowned mic pres, as well as instrument inputs and line ins, giving you a wide range of options for capturing and enhancing your sound.


Designed with flexibility in mind, the ISA428 Mk II features three additional input impedances, allowing you to match any microphone, old or new, and achieve the exact sound you're looking for. Whether you prefer the character and warmth of a vintage mic or the clear transparency of a modern design, this pre-amp has got you covered. With four front-panel instrument inputs, you can easily incorporate overdubs in the control room without the need for a separate DI box. The rear of the unit offers four line inputs and switchable insert points on each channel, giving you even more routing options with external signal processors.


The ISA428 Mk II employs a vintage-style variable high-pass filter, allowing you to control the bass end of your recordings. Additionally, the accurate 6-LED meters provide precise visual feedback, ensuring that you have complete control over your levels.


LIMITED OFFER: Until 6th January 2025, you can claim a FREE copy of iZotope Ozone 11 Elements (mastering software) when purchasing and registering this product. For more information see below.

Product Ref: 47578

Full Description

View Full Description

FREE - iZotope Ozone 11 Elements for a limited time only!

Available for free until 6th January 2025, Native Instruments have teamed up with Focusrite to give Focusrite hardware owners (whether you’re new to the family or a long-time user) a chance to claim this powerful mastering tool. This means if you’re already a registered hardware owner or are purchasing this product today, the free copy of Ozone 11 Elements will appear in your account – available to download until the end date of this promotion.

With Ozone 11 Elements, you can elevate your music to release-ready standards using updated features like the refined Assistant View for personalised processing, the enhanced Master Assistant for tone matching and balance, and seamless integration with Audiolens for reference track analysis. Native Apple Silicon support ensures optimal performance, making it the perfect tool for finalising your next project. Claim your free download today through your registered Focusrite account!

Classic-style transformer-based preamps

The Focusrite ISA428 Mk II 4 Channel Pre Pack Pre-Amp brings you four timeless classic mic preamps in a compact and user-friendly 2U enclosure. This powerful pre-amp offers four mic preamp channels, as well as instrument inputs and line-ins, all conveniently located at your fingertips.

The original Focusrite mic pre was designed to complement the microphones of its time, and this updated model offers even more versatility. With the addition of three extra input impedances to the classic ISA 110 setting, you can now match any microphone, whether it's a vintage classic or a modern design, allowing you to access a wide range of sounds.

Variable input impedance and flexible controls

Each mic pre on the ISA428 Mk II gives you the choice between mic, line, or the front-panel instrument input. With variable input impedance, you can ensure that you are getting the best performance from your source. With up to 60dB of gain available on the four-position rotary and gain range switches, as well as an additional +20dB of continuously variable trim, you have a staggering 80dB of gain at your disposal. This makes the ISA428 Mk II perfect for capturing everything from subtle nuances to powerful performances. The high-pass filter also offers variable cut-off frequency, ranging from 16 to 420Hz.

Four additional AD converter inputs for high-end conversion

To further enhance its audio processing capabilities, the ISA428 Mk II offers optional A-D conversion, giving you four additional A-D converter inputs. This allows for up to eight channels of high-quality conversion, with a dynamic range of 122dB and exceptional jitter performance below 250 picoseconds. This optional feature takes your audio recordings to a whole new level of clarity and precision.

Selectable impedance for enhanced clarity

The Focusrite ISA428 Mk II gives you the freedom to experiment and explore different sonic possibilities. With selectable impedance settings, including the legendary 'Vintage ISA110' setting, you can achieve the original signature sound that Focusrite is known for. This feature allows you to match different microphones or push the boundaries of your creativity with various impedance settings.

Features

  • Four classic transformer-based preamps
  • Switchable impedance for unparalleled mic matching or extended mic creativity
  • Includes the classic ISA 110 setting
  • Multiple direct instrument inputs on the front panel
  • Analog insert points on every channel
  • Highpass filters on every channel
  • Ultra-precise LED metering (dBfs)
  • 2U chassis design
  • Optional A/D card provides 8 channels of cutting-edge conversion at up to 192kHz

Specifications

Mic inputs

  • Frequency Response At Minimum Gain (0dB) (Mic): -0.35dB at 20Hz and –3dB at 122kHz
  • Frequency Response At Maximum Gain (60dB) (Mic): –2.5dB at 20Hz and –3dB 103kHz
  • Gain Range (Mic): 0dB to 60dB in 10dB steps, plus 0dB to 20dB continuously variable trim
  • Maximum Headroom (Mic): 7.4dBu
  • Noise EIN (Mic): -126dB (measured at 60dB of gain with 150O termination and 20Hz/22kHz bandpass filter)
  • Noise At Main Output With Unity Gain (Mic): -98dBu (measured with a 20Hz/22kHz bandpass filter)
  • SNR (Mic): 123dB (relative to max output 25dBu) 120dB (relative to 0dBFS ( 22dBu)
  • CMRR (Mic): 88dB
  • Input Impedance, Variable (Mic): 600O, 1400O, 2400O, 6800O

Line inputs

  • Frequency Response At Unity Gain (0dB) (Line): -0.3dB at 20Hz and –3dB at 94kHz
  • Gain Range (Line): -20dB to 10dB in 10dB steps, plus 0dB to 20dB continuously variable trim
  • Maximum Headroom (Line): 25.4dBu
  • THD N (Line): 0.002 (measured with 4dBu input signal, 0dB gain setting, with a 20Hz/22kHz bandpass filter)
  • Noise At Main Output With Unity Gain (Line): -91dBu (measured with a 20Hz/22kHz bandpass filter)
  • SNR (Line): 116dB (relative to max output 25dBu) 113dB (relative to 0dBFS 22dBu)
  • Input Impedance: 10kO

Instrument inputs

  • Frequency Response At 10dB Gain (Instrument): -0.2dB at 20Hz and 0dB at 200kHz
  • Frequency Response At 40dB Gain (Instrument): -3dB at 20Hz and –3dB at 38.4kHz
  • Gain Range (Instrument): 10dB to 40dB continuously variable
  • Maximum Headroom (Instrument): 11.5dBu
  • Noise At Main Output With Minimum Gain ( 10dB) (Instrument): -95dBu (measured with a 20Hz/22kHz bandpass filter)
  • Input Impedance (Instrument): >1MO

High-pass filter

  • Roll Off: 18dB per octave 3 pole filter
  • Frequency Range: 16Hz to 420Hz (continuously variable, measured at the 3dB down point)

Front and rear connectivity

  • Analogue Audio Outputs (Outputs 1-4): 4 line XLR outputs on rear panel, 4 insert send 1/4” TRS jacks on rear panel
  • Other I/O: IEC power input connector 100Vac – 240Vac

Physical

  • Height: 3.5"
  • Depth: 11"
  • Width: 19"
  • Weight: 12.2 lbs
  • Product Code: MOIF428MK2UKEU

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