SSL EVO2900.5 EVO 2900-watts Full Range Class A/B 5 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control
SSL EVO2900.5 EVO 2900-watts Full Range Class A/B 5 Channel 2-8 Ohm Stable Amplifier with Remote Subwoofer Level Control
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Full Range, Class A/B Topology
A class A/B amplifier uses two groups of transistors and it is generally considered to be the best compromise of the two classes put together. Class ‘A’ and class ‘B’. A pure class ‘A’ amplifier typically has an enormous amount of current flowing through its output transistors with no audio signal. A pure class ‘B’ amplifier has No current flowing through its outputs with no audio signal. This eliminates virtually all of the crossover distortion that’s possible with class ‘B’ amplifiers. A class A/B amplifier is much more efficient than a class ‘A’ but without the possible distortion of a class ‘B’. As if that wasn’t enough, with a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers. By just a flip of a switch from Full to Low, the EVO2900.5 will change from offering a complete range of frequencies that you need to be able to listen to your 2/3/4 or 5 way speakers to the “Low” that you need for a subwoofer application.
Mosfet PWM (Pulse Width Modulated) Power Supply
Metal–Oxide–Semiconductor Field-Effect Transistor is a transistor used for amplifying or switching electronic signals. We use it in billions of devices. In our computers, our telephones, game consoles, cars, electrical appliances and in this case, our Amplifiers. They are found in systems where information is processed or stored. A Mosfet is basically an electrical switch that allows the flow of electrical current. An electrical switch has two possible states, On or Off. This is where the Mosfet performs its most important role in our D Class amplifiers by allowing or preventing the flow of power and creating an efficient amplifier. The “Pulse Width Modulated” is a design that is significantly simplifies power supplies. It controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. The PWM can increase efficiency, is lighter, smaller, can reduce total cost, productivity and system reliability.
Features
1. Thermal, Overload and Speaker Short Protection 2. Soft Turn-On Circuit 3. Remote Turn On / Turn Off circuit 4. 2 Ohm Stable Stereo Operation 5. Variable Input Gain Control 6. Input Voltage Sensitivity Selector 7. Nickel Plated RCA Low Level Inputs 8. Nickel Plated Speaker and Power Terminals 9. Dark Grey Anodized Heatsink 10. LED Power and Protection Indicators 11. Remote Subwoofer Level Control
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5/4/3/2 Channel
This feature comes in handy for a few different installation applications and is very multi versatile. Let’s go down the list. The “5” channel will always be a subwoofer channel. The “4” channel means that you are able to simply use the EVO2900.5 as a 4 channel amplifier by hooking up 4 speakers to it. Fronts and rears. The “3” channel is slightly different. What you can do here is to hook up 2 speakers to channels 1+2 and use the remaining 3+4 channels for 1 subwoofer in bridged mode. And lastly, the functionality of the “2” channel. Channels 1+2 can be bridged to accommodate one speaker OR one subwoofer. Channels 3+4 can be used in the exact same above application.
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Variable Low-Pass Crossover
Subwoofers reproduce sound based on a number of different low-range frequencies. This process is called the crossover effect and occurs because the vast majority of audio systems cannot cover the entire spectrum sufficiently to minimize sound distortion and maintain an appropriate frequency ratio. In the case of our EVO2900.5 amplifier, a variable crossover is offered so that you, the listener, can have the ability to set the frequency at which the crossover occurs, thereby setting specific sound specifications for the bass frequency reproduction.
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Low Level Inputs
The EVO2900.5 amplifier has only one way that you can get a signal into it instead of two ways. This would be in the form of a low level input. It is measured in voltages and it comes in the form of RCA outputs from the back of your receiver and goes to the RCA inputs on your amplifier. Low-level (RCA) input wiring is preferred for high-quality audio performance.
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Fixed High-Pass Crossover
Speakers also reproduce sound based on high, low or mid-range frequencies. High pass crossovers are geared specifically towards “highs” such as all size speakers, mid ranges and tweeters. Unlike the “Variable Low-Pass Crossover” mentioned above, you are not able to set exact sound specifications such as the bass, mid-range and high frequency reproduction. This High-Pass Crossover is fixed.
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Variable Bass Boost
So you have Bass Boost and Variable Bass Boost. The difference between the two is that with Bass Boost you either have extra bass or you don’t. But with Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s). And this is what you get with the EVO2900.5 Amplifier. Variable Bass Boost.
The [TITLE] Details
- Amazon Sales Rank: #73565 in Car Audio or Theater
- Size: 24.00in. x 11.50in. x 4.00in.
- Brand: Sound Storm Laboratories
- Model: EVO2900.5
- Number of items: 1
- Dimensions: 4.50" h x 12.13" w x 21.50" l, 16.60 pounds
Features
- Full-Range Class A/B
- MOSFET Power Supply
- Low and High Level Inputs
- Variable LP and Fixed HP Crossovers
- Remote Subwoofer Level Control
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Page 3 - Class Amplifier Remote Level
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