Helix – Ubiquitous Reference Standard Car Audio
Since its conception in 1990 Audiotec Fischer has evolved from a niche supplier to an internationally recognised leader in innovative audio products. A DIN ISO 9001 and ISO 14001 certified company, it now delivers its award-winning brands Brax, Helix and Match to more than fifty countries worldwide. To Audiotec Fischer the label "Made in Germany" has always been more than just a designation of origin; it's a promise of quality that everyone at the Schmallenberg site remains committed to. Audiotec Fischer has more than thirty years of experience in the development and manufacture of high-end car and home audio products. From the initial brief through to the finished product; all components are assembled in-house with the sole aim of reproducing acoustic signals as authentically as possible whilst optimizing the sound experience ever further.

Processor Series – The Passion For Perfected Sound
It’s not the components, it’s the environment. Fundamental car audio components are often unfairly blamed for poor aural performance, despite the blame laying elsewhere. See whether you have OEM or enormously expensive speakers your windscreen still reflects, your right leg still absorbs the midrange and you’re still sitting to one side with a whole instrument cluster before you. It’s for this reason that all vehicles require a sound processor. These devices can rectify all negative cabin phenomenon and make even the most rudimentary components sound amazing.

However a questionable quality processor is conducive to headaches aplenty, that’s why you need a Helix device. Helix processors are renown around the globe for being amongst the best processors in history. Trickling technology down through its various processors means even its entry level processor far outperforms all other comers. Whether you’re planning a budget system or one only the Royal Family could afford; Helix has you well covered when it comes to processing it to perfection.

Design Ideologies
The AMI Tuning Kit is a fully equipped measurement suite that combines the professional-grade AMI interface with a selection of premium accessories, offering everything required for precise signal and acoustic analysis in modern DSP-driven sound systems.

The Complete Solution For In-car Measurement
Developed as a comprehensive and ready-to-use package; it’s the perfect solution for those who demand maximum accuracy, seamless integration and flexible mobile use. At its heart is the AMI; engineered to work in perfect harmony with Audiotec Fischer’s DSP PC-Tool software. It’s enhanced by intelligent accessories for real-world measurement scenarios.

High Precision Acoustic And Signal Measurement
Anywhere you need it. The AMI serves as the central measurement hub, providing all relevant connections for a wide range of electrical and acoustic analysis tasks. Included in the kit is the renowned Beyerdynamic MM-1; a precision calibrated condenser measurement microphone, optimised for in-car measurements with a linear frequency response at 90°. The dedicated line input with switchable sensitivity between 1 V and 40 V ensures accurate analysis of both low and high level signals.

Stereo signal output is available via RCA or optical digital connection for direct playback into a DSP. The integrated loop-back function opens up advanced measurement options, such as precise phase response and more complex signal path evaluations.

Seamless Integration With DSP PC-Tool
Developed for full compatibility with the Audiotec Fischer DSP PC-Tool, the AMI becomes a powerful measurement device that unlocks the full potential of our software’s tuning features. This includes the advanced input signal analyzer (AISA) for the detection and correction of factory-applied EQ curves, time alignment and all-pass filters as well as real-time analyser (RTA) support for precise frequency response measurements and automated tuning via ATF’s proprietary TuneEQ algorithm. The AMI also supports automatic time measurement (ATM) for fully automated speaker delay calibration. Delivering perfect timing and imaging across all channels.

The All-In-One Measuring Suite
Alongside the AMI and the Beyerdynamic MM-1 microphone, the kit also includes a full suite of high-quality accessories to ensure seamless operation in the field. A 3 m USB-C cable with USB-A adapter, an RCA cable with RCA-to-high level adapters, Toslink cable and an XLR microphone cable. The 16 GB USB 3.0 flash drive preloaded with DSP tuning tracks rounds out the set. Powered via USB and packed in a durable, compact transport case; the AMI Tuning Kit offers maximum portability and convenience. Whether in the workshop or directly inside the vehicle.

Design Features
The rich heritage of this astute and masterful designer, together with its ever-increasing technical acumen; is conducive to these components featuring a vast array of impressive design ideologies and latest technological advancements. We canvass some of these technologies further below.
– Includes audio measurement interface (AMI); a professional-grade interface for electrical and acoustic signal analysis.
– Stereo signal input with microphone and line input for all-in-one measurements.
– Microphone input supports all condenser microphones with adjustable gain and phantom power.
– Line input with adjustable sensitivity for low and high-level signals, to a maximum of 1 V or 40 V RMS.
– Stereo signal output with RCA and optical digital outputs for direct playback into DSP systems.
– Loop-back functionality for advanced measurements, such as phase response analysis.
– USB-powered operation, no external power supply required.
– Includes Beyerdynamic MM-1 microphone; a high-precision calibrated microphone that’s made in Germany.
– Studio-grade condenser microphone with free-field calibration files for 0° and 90°.
– Optimised linear frequency response at 90° for precise in-car measurements.
– Optimised for Audiotec Fischer’s DSP PC-Tool; seamless integration for advanced signal analysis and automated tuning tasks.
– Compatible with advanced signal input analyzer (AISA) for the analysis and correction of DSP input signals including factory-installed all-pass filters, time alignment, equalization and the detection of high-pass and low-pass filters.
– Works with a real-time analyser (RTA) for acoustic frequency response measurements, automatic equalization with the proprietary TuneEQ algorithm and detailed frequency and phase matching analysis.
– Compatible with automatic time measurement (ATM) for automated speaker time-delay calibration.
– Ready to use, complete suite with all essential components such as USB-C cable, USB-C to USB-A adaptor, RCA cable, RCA-to-high-level adaptor, Toslink cable and XLR microphone cable.
– 16 GB USB 3.0 flash drive preloaded with with DSP tuning tracks.
– Compatible with Windows 10 & 11, macOS, Android and iOS.

Electrical Specifications
– Nominal configuration: tuning and measurement tool kit
– Frequency response: 7 Hz – 44000 Hz
– Signal-to-noise ratio: 100 dB
– Input sensitivity: 1 V – 40 V
– Input impedance: 10 kOhms

Physical Specifications
– Length: 50 mm
– Width: 50 mm
– Height: 25 mm
– Weight: 0.2 kg

Documentation
– Software download
– User manual

Important Disclaimers
Given the dynamic nature of electronics industries these days; below are listed some very important specifics you need to be aware of.

Brand Authorization And Stock Sourcing
We are a fully authorised Australian dealer of this brand and all stock is sourced through legitimate channels. It therefore enjoys full Australian warranty, backing and support.

Pricing Structure
Whilst we endeavor to offer the best price possible, we ask that if you do find a better price elsewhere from an authorised dealer; please contact us. Also be aware that we regularly conduct group buys and sales, therefore pricing can sometimes be subject to change without notice.

Stock Structure
Being a dynamic store is conducive to our inventory constantly changing. We list only a small portion of our stable online, usually products most popular. Aside from these we also stock numerous other variants and configurations of these products, hence if you don’t see what you’re after please contact us.

Shipping
All our products are shipped with registered and insured postage. Upon ordering you’ll be issued with a receipt, a consignment note via which you can track your order, and we’ll also SMS you photos of the package for identification purposes.

Technical support
This last one we cannot emphasise enough! Please contact us if you require any further information or assistance with the setup and use of this product, especially pertaining to aspects more technical. As we want you to get the very best from this product.