Quartorigo – Musical Rhapsody Meets Sublime Style
An astute electronics genius heralding from the unmistakable landscape of Macerata's countryside in Italy; Quartorigo lives by a philosophy that sees superb design the central point of refined technical expertise and innovation. Today Quartorigo leads the car audio industry with its delectable aural solutions, stylistic flow and methodological ingenuity. Constantly redefining the benchmark for tomorrow's car audio and raising the bar to levels many companies simply will never achieve. Such is the Quartorigo way.

What's In A Name
The name Quartorigo combines two Italian words; those being quarto (fourth) and rigo (line). The fourth line of the musical staff, a staff or staves of course being the five lines musical notation is written on. This fourth line represents balance between bass and treble, the middle register where vocal and instrumental presence naturally converge. It's where male and female voices meet, where harmony finds its foundation. The number four itself embodies stability; four seasons, four elements, four compass points. Completeness, without needing more. This name represents for Quartorigo the space where precision and musicality and engineering and soul find their natural equilibrium.

Atto 1 Series – Affordable Dimensions In Fidelity
When devising an audio solution for modern vehicles one must exercise wisdom when spending. Sure everybody wants a high-quality system which sounds superb, however not everyone necessarily wants to spend a small fortune achieving it. This is where the Atto 1 range comes to the fore. Constantly improved and enhanced to suit modern vehicles; the Atto 1 components present an extremely cost effective options wherein the performance versus budget conundrum in concerned. So if performance on a budget is your goal, the Atto 1 range is your solution.

Design Ideologies
Music will always be the original soundtrack of our lives. For it’s the true creator of emotions and the incubator of dreams aplenty. It’s an irresistible force which cannot be pushed away, nor can one hide from it; for music is everywhere. It’s as intrinsic to life as is oxygen, and it accompanies us wherever we go.

Music And Culture
When talking Italians you’re talking about a long and prestigious musical tradition which has its foundations firmly rooting in centuries of unique open theatre settings. Thus ratifying the bond between music and culture in a way few other societies are able too. This is where Quartorigo draws its inspiration from. It’s work is aimed at the pursuit of theater sound quality excellence, but inside your vehicle. From a concert hall to your vehicle’s seats, without loosing a single note and allowing you to live out the same emotions. It’s what makes Quartorigo a real conductor seated next to you as you commute.

A New Dimension In Fidelity
Atto 1 represents Quartorigo’s entry into a new dimension of high fidelity, where Italian experience meets international production efficiency. Like the first act of an opera introduces the main themes that will develop throughout the performance, this line establishes the foundation for a superior sound experience at an extraordinarily accessible price.

Advanced Design Philosophies
Each model in the Atto 1 series stems from the same design philosophy that characterises all Quartorigo work, with particular attention to optimizing the quality-price ratio. Quartorigo engineers have carefully crafted every design detail to create a product that delivers the best result in its market segment. The choice of international production stems from a desire to make a product designed with Italian expertise accessible to a wider audience. Put simply; Quartorigo wants to offer a valid and convenient alternative for those who wish to significantly improve their audio system without excessive budget compromises.

Designed To Fit
Atto 1 has been specifically designed for OEM speaker replacement; ensuring a natural, coherent and balanced sound that respects the original characteristics of the recording. The result is an accurate, convincing and high-performing product that exceeds expectations in its category, representing the smart choice for those who desire a significant upgrade to their audio system. Designed in Italy with passion, crafted internationally with precision.

Mounting Options
The Atto 1 tweeters come with precision-molded plastic mounting frame for automotive tweeter installation. These feature pre-drilled holes for secure fastening and optimal acoustic positioning. Constructed from durable thermoplastic materials to withstand automotive conditions and vibration. Standard hole spacing accommodates common fasteners, reducing installation complexity while ensuring reliable mechanical connection. Compatible with factory and aftermarket mounting locations.

Quality Crossover
The precision inline filters are engineered for seamless tweeter integration with factory audio systems. Omitting a large case eliminates mounting complexity during upgrades while providing essential high-frequency conditioning and driver protection. Maintains OEM impedance matching for optimal amplifier compatibility. Plug-and-play wiring enables direct connection between factory harnesses and performance tweeters.

Design Features
The vast heritage of this astute and practical 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. Some of these include the following:
– Aerodynamically transparent stamped steel basket and housing for very low distortion with immense strength.
– Precision machined components.
– Housings designed with special acoustic details to optimise overall linearity and frequency response.
– Woofer is optimised for extremely accurate low frequency behavior, as reflected via its low resonance frequency.
– Specifically shaped spherical silk dome tweeter, specially coated.
– High-energy magnet exerts an extremely dense flux over the coil.
– Advanced venting system within motor to eradicate thermal issues.
– Audio viscous damping with special acoustic materials.
– Plated terminals for corrosion resistance.

A Post Script Made By Time
Just to finish all us to leave you with this. Experience is acquired with time and enduring challenges are conquered day after day. Quartorigo systems, like all boutique products; evolve with time but last for life. The company designs and builds it's aural instruments to not only last but prove themselves time after time, list after listen and year after year…

Electrical Specifications
– Nominal configuration: three-way 6.5″ & 3.5″ & 1″ active component set
– Continuous power handling: 50 Watts
– Maximum power handling: 100 Watts
– Voice coil diameter: 25.4 mm
– Frequency response: 77 Hz – 20000 Hz
– Sensitivity: 84 dB
– DC resistance (Re): 3.4 Ohms
– Resonant frequency (Fs): 87.66 Hz
– Xmax: +/- 3.9 mm
– Compliance (Vas): 7.67 l
– Total Q (Qts): 1.28
– Mechanical Q (Qms): 4.62
– Electrical Q (Qes): 1.78

Physical Specifications
– Mounting diameter: 142.1 mm
– Mounting depth: 71.6 mm
– Weight: 2.9 kg

Documentation
– 1″ specifications sheet
– 3.5″ specifications sheet
– 6.5″ specifications sheet

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.