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ADHOC Voltaggio Automotive voltage stabilizer

ADHOC Voltaggio
Voltaggio - voltage stabilizer



Voltaggio - voltage stabilizer

ADHOC Voltaggio Automotive voltage stabilizer


Want an improved smoothness and optimal engine power yet at the same time an increase in efficiency and lifespan of your car's electronic accessories?

What else could provide your internal combustion vehicle with such an upgrade?

Enter the automotive voltage stabilizer.

But don't go choosing just any voltage stabilizer. Choose the one that its worthy of your vehicle and one that really works. One that is safe and protected. One that lasts and performs.

With that in mind, it is our utmost pleasure to present to you our new Voltaggio automotive voltage stabilizer. Inspired by the Italian automotive culture of passion, excessiveness, playfulness and exquisiteness, the Voltaggio line is our new and pioneering line of automotive voltage stabilizers.

ADHOC Voltaggio Automotive voltage stabilizer


With components rated twice to quadruple of what they are required to do, the electronic parts of the Voltaggio boast a whopping 250%-400% tolerance, twice to trice of what most electronic device has. This is what we meant by excessiveness in case you're wondering - excessiveness that translates into robustness and reliability.

ADHOC Voltaggio Automotive voltage stabilizer


The digital voltmeter on the Voltaggio uses a non-multiplexing LED display driver that drives all three digits at once, giving you a clear reading unlike most common LED digital voltmeters that flicker under vibration.

ADHOC Voltaggio Automotive voltage stabilizer


Most importantly, a voltage stabilizer would not be a voltage stabilizer if it weren't for its capacitors. The capacitors in the Voltaggio is of the lowest possible impedance for aluminum capacitors. Our ultra-low ESR (equivalent series resistance), high ripple current electrolytic aluminum capacitors provides for even lower impedance than solid aluminum capacitors. The reason we choose electrolytic capacitors is because of the higher charge-per-volume it has compared to solid capacitors. And by using only ultra-low ESR, high ripple current capacitors designed for high-end PWM systems, we outdo our solid capacitor counterparts. The Voltaggio is also designed to work on 24V systems! Instead of going for an ultra-large capacitance, we decided to stick to only 14,400uF and making it ultra-low impedance because as automotive enthusiast, in every sense of the word, we know that most of the electrical noise in your car is high-frequency! After all, the fuse is a current bottleneck!

ADHOC Voltaggio Automotive voltage stabilizer


All these components are enclosed in a sleek, black anodized aluminum chassis with a rugged double strand of tinned copper amplifier cables connected to a 12V plug for convenience. The digital voltmeter display sits behind the transparent embossed polyurethane finishing. With a double fuse protection and a current consumption of only 85mA@12V, the Voltaggio is as safe at it gets, guaranteeing that no fuse in your car will even blow because of it, and consuming way less current than your average mobile phone charger!

ADHOC Voltaggio Automotive voltage stabilizer


The entire hardware will run cool, generating virtually no heat at all. The efficient switching power supply will regulate current according to voltage so that the entire system will not consume more than 1 watt! The 250-400% tolerance will ensure ultimate reliability, robustness and stability for years to come.

Types of Electrical Noise and the Role of the Voltaggio

High frequency, low current spikes/dips - caused by equiment that drain small bursts of current at high frequencies such as the ignition system, fuel injectors, blower speed controllers, etc. These spikes account for the majority of the noise that affects the car's sensors' accuracy and electronic systems. They can also affect spark performance. The Voltaggio eliminates MOST of these spikes by utilizing ultra-low ESR capacitors that can charge and discharge at high-frequencies effectively (up to 100 KHz).     Static spikes - caused by static electricity which accumulates in various parts of the car and transferred unto the electrical system. Normally they are easily absorbed by the metals in the main voltage bus, but the Voltaggio elimates whatever residual that is present by allowing the ultra-low ESR capacitors to take in the static potential.

noise noise

High current, sustained dip - caused by activation of high current equipment like headlamps, compressor swithes, high wattage woofer, etc. The alternator will adjust output to match the consumption, albeit in a delayed manner. The dip persists, usally for about one half of a second. The Voltaggio does NOT reduce spikes such as these. Can only be rectiffied by high capacity condensers (1-5 Farads).     High current, transient dip - caused by activation of high-drain equipment which draws current in short bursts such as automatic transmission solenoids, certain relays, etc. The voltaggio will help reduce but NOT completely eliminate such dips.


The above is a simplified depiction of the types of electrical noise in a car. In an actual car, the various types of spikes/dips overlap each other to form a messy noise pattern comprising of distortions of various frequencies. The use of ultra low ESR capacitor is necessary to effectively absorb these high-frequency noise with odd patterns.

Due to the car battery's high internal impedance and chemistry, it is unable to absorb or compensate quickly enough for these spike/dips although it is able to churn out a very high current. The battery is particularly bad at filtering the first, second and fourth type of spikes in the above diagram. The Voltaggio's role is therefore to help the battery do what it is unable to do, by working in synergy with it.


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