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ISA428MKII and Sterling ST69 Microphone

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Overview

Quality tube condensor microphone with a bank of four legendary microphone preamps.

This is a superb front end for your recording system, whether for a home studio or a professional recording suite. The Focusrite ISA428 MkII provides four of Focusrite's prestigious transformer-based microphone preamps in one convenient rackmountable chassis. It features the same classic circuitry and renowned audio quality found in the original Focusrite ISA mic pre at a new level of affordability. With selectable input impedance, direct instrument inputs and an optional eight channels of high-quality analogue to digital conversion, the ISA428 MkII creates the perfect front end for the discerning recording professional. Add to that a Sterling ST69 microphone and you have the beginning of a very sweet signal chain.

Sterling ST 69
Sterling Audio's ST69 Tube Microphone is an excellent choice for recording engineers and musicians looking for a superior studio microphone. A combination of new and traditional technology, blended with our Disk Resonator system, yields wide frequency response and quick transient response without sacrificing warmth and tone. It's ideal for capturing the full, detailed sound of vocals, acoustic & electric instruments, and drums. And its precision machined, brushed stainless-steel finish complements the ST69's technical brilliance.

ISA428 MKII
First introduced in 1985, the ISA microphone preamp holds a reputation for outstanding transparency along with subtle warmth contributed by transformer core saturation. The addition of a variable impedance circuit allows ISA users to perfectly match the preamp with any microphone, or to use different settings creatively to shape the sound of the microphone. Unchanged for decades, the ISA microphone preamp topology offers incredible clarity and the signature Focusrite sound that makes it the top choice among many audio professionals today.

The optional class-leading eight-channel A-D converter option used with the ISA828 is also compatible with the ISA428 MkII. Along with the four mic preamp inputs, four additional inputs allow you to route other line signals through the converter. More information about the ISA428 MkII A-D converter option can be found here.

Four instrument inputs, instantly accessible on the front panel, allow quick and easy connection without the need for a separate DI box. Extra processing can be placed between preamp and conversion via the units dedicated insert points, featured on every channel. Finally, accurate six-segment LED metering is designed to catch even the fastest transients on every channel.

Over 25 years, Focusrite has earned a reputation for bringing superb audio quality and engineering excellence to an array of audio professionals. Whether you're looking to preserve the sound of your classic microphones, or searching for the perfect front end for your digital studio, the ISA428 MkII brings legendary tools to your studio at an exceptional new price.

Features

Focusrite ISA428 MkII

Four ISA series transformer-based preamps
Eight-channel optional A-D converter
Selectable impedance
Four front panel instrument inputs
Dedicated analogue insert points
Variable high-pass Focusrite filter
Accurate LED meters for every channel

Sterling ST69

Cardioid, Omni, and Figure-8 patterns
Low noise, low heat, 6205 tube circuit
Double-sided 1" all brass capsule, hand assembled and oven baked for long term stable operation
Ultra-thin 3-micron gold-evaporated Mylar diaphragm provides sonic detail and accuracy
Disk ResonatorTM design extends high-frequencies naturally
High pass filter and -10dB pad
Custom-wound nickel core output transformer, optimized for the ST69
Brushed stainless steel body and head

Order now for a versatile bank of classic preamps for microphone or instrument along with a beautiful tube microphone.

Specs