5 Reasons Why Your Business Needs Custom Pa Amplifier？

Our XPA Gen3 Modular Amplifier System allows you select the perfect amplifier – by configuring your amplifier with exactly the number and type of amplifier channels you need. We’ve chosen the most popular configurations, and given each an easy-to-remember model number with its own product page on our website. However, since not everyone wants one of the standard models, this page is dedicated to those of you who wish to design your own custom made XPA Gen3 amplifier. Choose your perfect combination of amplifier channels and power and we’ll build it for you. Whichever configuration you select, your XPA Gen3 amplifier will deliver the same rare combination of excellent technical performance and superb sound quality, which makes it the perfect solution for listening to your favorite multi-channel music or for listening to movie soundtracks in a high-end home theater system.

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Each XPA Gen3 amplifier chassis can be populated with anywhere between two and seven modules, each of which can be a High-Powered Single Channel Module or a Stereo Module. Modules of both types can be combined in the same chassis, offering you unheard-of flexibility to build the exact amplifier configuration you need. To create your perfect amplifier, use the Channel Configuration selector to pick the combination of modules you need. Each option has a two digit model number. The number to the left of the decimal point shows you how many High-Powered Single Channel Modules you have; the number to the right shows you how many Stereo Modules you have. Remember that each Stereo Module gives you two amplifier channels.

The Power Supply: The Foundation Of A Great Amplifier

In amplifier design, everything starts with the power supply. The XPA Gen3 features our new high-current switch mode power supply (SMPS) - a lightweight, powerful, intelligent design capable of delivering over 3 kW of continuous power with absolute reliability and extremely high efficiency. Our cutting edge SMPS offers the dynamic attributes of a classic transformer-based design with none of the drawbacks. Like the best transformer-based power supplies, our SMPS delivers plenty of continuous power to enable our amplifier modules to live up to their full performance potential, and plenty of dynamic power to ensure that musical peaks will never be compressed or limited. However, compared to transformer-based designs, our SMPS is lighter and more efficient; it’s also fully regulated, which ensures optimum performance under a wider range of load conditions.  

The Latest In A Long Line Of Great Amplifiers

The XPA Gen3’s unique differential input stage, with cross-linked current sources, drives a balanced voltage amplification stage, and this advanced input circuitry delivers an incredibly accurate and pure audio signal to the complementary, fully discrete output stage. Together they deliver a holistic, natural, and powerful listening experience. Low-level musical details and dialogue emerge from a deep black background; musical crescendos are delivered with both stunning impact and precision. The wide bandwidth, low distortion performance of the XPA-11 Gen3 reveals every nuance of your high-resolution music sources, and it has plenty of power to drive even difficult loudspeakers with absolute authority and control.

Class A/B Sound Quality Meets Optimized Class H Efficiency

Both amplifier modules used in the XPA Gen3 utilize a fully analog Class A/B output stage. The High-Powered Single Channel Modules utilize our highly regarded Soft-Switch™ Class H power supply topology, which increases their efficiency significantly without compromising the audio performance you’d expect from an Emotiva amplifier. They operate on a lower supply voltage at low power levels to minimize quiescent power consumption and standby power losses, instantly switching to a higher voltage rail when needed to ensure the signal passes cleanly and without clipping. This process happens on a continuous basis in real time, allowing greater overall efficiency, cooler operation, longer component life, reduced power consumption, and increased reliability. The Stereo Modules each deliver two completely independent channels of pure Class A/B audio power, and sonically are perfectly matched to the High-Powered Single Channel Modules.

The Benefits Of A Dedicated Power Amplifier

Most experts agree that, if you want the absolute best sound quality and technical performance, you should use dedicated separate components. Because our power amplifiers are designed for a single purpose, we can concentrate on ensuring that they perform that one task very well, and avoid the compromises inherent in products that are expected to perform a variety of different functions.

Our amplifier modules are designed to reproduce today’s high definition movie sound tracks and music sources with awesome realism, amazing finesse and precision, and without the slightest hint of strain or signal compression. Our specially designed 3 kW switch mode power supply delivers the tightly regulated continuous power and massive reserves of dynamic power necessary to enable our amplifier modules to perform to their ultimate potential. Together they deliver an experience that simply cannot be matched by multi-purpose components like receivers. We’re talking about real-world power and fidelity that you can immediately hear and appreciate.

Designed and Assembled in the USA with Globally Sourced Components

The XPA Gen3 is designed, assembled, and tested in the USA, where we use the finest materials and latest technologies to bring you world-class products. Each Emotiva amplifier is carefully designed with premium components to deliver a stunningly capable, reliable, and refined system.

The Latest and Greatest

A new approach to amplifier design.

When we set out to make the new X Series line, we analyzed everything in every amplifier we’ve ever made, from front to back, inside, and out. In doing so, we discovered several areas where our years of experience, and advances in audio technology, indicated that we could make significant improvements in our amplifier designs. After carefully weighing all the pros and cons, we kept the best features of our original designs, added a new set of optimizations and improvements, and the result became the foundation of our new line of audiophile amplifiers. The XPA Gen 3 is a whole new ballgame.

Modular Construction

The XPA Gen3 modular power amplifier is comprised of a heavy-duty chassis, which houses the oversized power supply, and up to seven amplifier modules. The XPA Gen3 can be purchased with anywhere between two and seven amplifier modules installed, and additional amplifier modules may be installed as more channels of amplification are needed (up to a maximum of seven modules). The front panel display and protection system are designed to work with the maximum number of channels, and so need not be updated when the XPA Gen3 is expanded; on the rear panel, slots not occupied by amplifier modules will be covered with protective cover panels.

Note: To ensure that amplifier channels are always installed properly, and function to our specifications, amplifier modules must be installed by Emotiva, or by your local authorized Emotiva service representative.

Product key

1st number is the total amount of channels
2nd number is the amount of High Power Modules
3rd the number is the amount of Stereo Modules

Ex: eleven-3-4-s is
eleven total channels. 3 High Powered Modules and 4 Stereo Modules.

Circuit Topology

The XPA Gen3 is a fully modular audio power amplifier with a high-efficiency switch mode power supply (SMPS), independent, fully discrete, dual differential, high current, short signal path Class A/B amplifier modules, Optimized Class H™ power supply topology, and microprocessor-controlled fault protection.

The XPA Gen3 is powered by a high efficiency, audiophile grade, Switch Mode Power Supply (SMPS).

Audio Specifications (High-Powered Single Channel Modules)

• Power Output:

300 watts RMS/channel; 20 Hz – 20 kHz; THD<0.1%; 8 Ohms; one channel driven

550 watts RMS/channel; 20 Hz – 20 kHz; THD<0.2%; 4 Ohms; one channel driven

300 watts RMS/channel; THD<0.1%; 8 Ohms; two channels driven

490 watts RMS/channel; THD<0.1%; 4 Ohms; two channels driven

Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.1 dB)

• Broad Band Frequency Response: 5 Hz to 80 kHz +0/-2 dB

• THD + noise: < 0.005%; at 100 watts RMS; 1 kHz; 8 Ohms

• Signal to Noise Ratio (8 Ohm load):

> 115 dB; ref FTC rated power; unbalanced input (A-weighted)

> 86 dB; ref 1 watt; unbalanced input (A-weighted)

• Minimum Recommended Load Impedance (per channel): 4 Ohms (which equals one 4 Ohm load or two paralleled 8 Ohm loads)

• Damping Factor (8 Ohm load): > 500.

• Input Sensitivity (for rated power; 8 Ohm load): 1.71 V.

• Gain: 29 dB

• Input Impedance:

33 kOhms (balanced)
23.5 kOhms (unbalanced)

Audio Specifications (Stereo Modules)

• Power Output:

65 watts RMS/channel; 20 Hz – 20 kHz; THD<0.1%; 8 Ohms; one channel driven

100 watts RMS/channel; 20 Hz – 20 kHz; THD<0.2%; 4 Ohms; one channel driven

65 watts RMS/channel; THD<0.1%; 8 Ohms; two channels driven

100 watts RMS/channel; THD<0.1%; 4 Ohms; two channels driven

• Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.1 dB)

• Broad Band Frequency Response: 50 Hz to 80 kHz +0/-1.5 dB

• THD + noise: < 0.02%; at 60 watts RMS; 1 kHz; 8 Ohms.

• Signal to Noise Ratio (8 Ohm load):

> 105 dB; ref FTC rated power; unbalanced input (A-weighted)

> 85 dB; ref 1 watt; unbalanced input (A-weighted)

• Minimum Recommended Load Impedance (per channel): 4 Ohms (which equals one 4 Ohm load or two paralleled 8 Ohm loads)

• Damping Factor (8 Ohm load): > 500

• Input Sensitivity (for rated power; 8 Ohm load): 0.8 V (800 mV)

• Gain: 29 dB

• Input Impedance:

33 kOhms (balanced)

23.5 kOhms (unbalanced)

• Maximum Power Consumption:

Audio Specifications

The Output Power your XPA Gen3 amplifier can deliver with all channels driven will depend on the total number and type of modules you have configured.

The following list shows the power an XPA Gen3 will deliver, all channels driven, into 8 Ohms, when configured with the indicated number of High-Powered Single Channel Modules:

Populated with two modules: 300 watts RMS/channel
continuous < 0.1% THD

Populated with three modules: 275 watts RMS/channel
continuous < 0.1% THD

Populated with four modules: 260 watts RMS/channel
continuous < 0.1% THD

Populated with five modules: 250 watts RMS/channel
continuous < 0.1% THD

Populated with six modules: 225 watts RMS/channel
continuous < 0.1% THD

Populated with seven modules: 200 watts RMS/channel
continuous < 0.1% THD

Input And Output Connections

• Input Connections (High-Powered Single Channel Modules):

Unbalanced (RCA); balanced (XLR); one each per channel, independently selectable.

• Input Connections (Stereo Modules):

2 Unbalanced (RCA); 2 balanced (XLR); two per channel, independently selectable.

• Speaker Output Connections: Audiophile grade, gold plated, 5-way binding posts.

If you are looking for more details, kindly visit AISP.

Trigger

• Trigger Input: 5 – 12 V (AC or DC); <10 mA input current required.

• Trigger Output: 12 VDC; can drive any load up to 120 mA.

Power Requirements:

Between 100 VAC and 250 VAC @ 50 / 60 Hz (automatically detected)

Front Panel Controls and Indicators

• Standby: push button (halo ring changes color to indicate Standby or On)

• Status LEDs: one per channel; blue

Status LEDs change to red to indicate a fault condition

Rear Panel Controls

• AC Power switch: rocker switch (switches AC main power)

• Status LEDs switch: disables front panel Status LEDs and dims Standby button halo.

• Input selector switches (one per channel): metal toggle switches; select between balanced and unbalanced inputs.

• Circuit Breaker: press button to reset circuit breaker.

Protection

The XPA Gen3 is protected against excessive operating
temperature, shorted speaker connections, groundf aults, and other common fault conditions.

Mechanical

• Dimensions (dimensions are the same for all
configurations):

17” wide x 8” high x 19” deep (unboxed; including feet)

17” wide x 7” high x 19” deep (unboxed; without feet)

24-1/2” wide x 12” high x 24-3/4” deep (boxed)

• Weight (weight will depend on the number of modules configured):

- with 2 modules: 35.5 pounds (unboxed)

- with 3 modules: 39 pounds (unboxed)

- with 4 modules: 42.5 pounds (unboxed)

- with 5 modules: 46 pounds (unboxed)

- with 6 modules: 49.5 pounds (unboxed)

- with 7 modules: 53 pounds (unboxed)

* For boxed weight, add 5 lbs to the above weights.

Downloads

Download Product Manual

 

What are power amplifiers? Which audio power amplifiers to buy? Which specifications to consider when purchasing a power amp? What are watts and impedance? 

When choosing an amplifier, these are the questions that are most pertinent. 

This extensive resource will answer these questions and help you in your next amp purchase!

Introduction to Power Amplifiers

The most common question is, what is a power amplifier?

It is a device that sits between a sound source and a passive loudspeaker. It takes a line-level signal and makes it loud enough to fill a room or a venue with sound. It provides a constant high-voltage output minus any fluctuations in impedance or frequency response. 

Any system that utilizes speakers to produce sound will require a power amplifier. 

Why do you need a Power Amplifier?

An amplifier is one of the main components needed to connect music and the audience. It makes small signals bigger.

Whether it is a power amplifier for speakers or a professional power amplifier, the power amplifier is a device that amplifies the sound of the instrument and it enhances the overall performance of sound systems, including a home audio system in diverse situations. 

Power amplifiers are feature-packed with one, two, or more channels. A mono power amp would have one channel, and a stereo power amp would have two channels.

A standard feature on most power amplifiers is a power switch, which engages the device, and volume control to determine the device’s output level.  

Also Read: What are the differences between Class A, AB, and Class D amplifiers? Explained  

6 Types of Power Amplifiers 

It’s noteworthy to mention that depending on the type of output device that is connected, there can be Audio Power Amplifiers, Radio Frequency Power Amplifiers or DC Power Amplifiers.

Power amplifiers can be broadly categorised into these main types:

1. Digital Power Amplifier

These are used in amplifying the power of pulse width modulated signals and they can be seen in power electronic components such as motor drives. They amplify the input signal which comes through the microcontroller system and feed the amplified signal to the DC motor.

The analog signal in the digital power amplifiers is encoded in a pulse train and it is restored at the output using a bandpass filter. Digital power amplifiers are mostly used in audio frequency applications and they are also seen in microwave frequencies.

2. MOSFET Power Amplifier

MOSFET transistors are also known as Metal Oxide Semiconductor Field Effect transistors and are used in applications with small signal linear amplification. Here the magnitude of the input impedance is very large and gets easily biased. To develop a linear amplification, the MOSFET needs to be operated in its saturation region and it has to be operated biased around a centralized constant Q point.

3. Microwave Power Amplifier

These power amplifiers consist of active elements with passive transmission line circuits for critical functioning in microwave-related systems and designs. Microwave power amplifiers are used in applications such as antennas, limiter diodes, MMIC-based power amplifiers, etc.

4. Transistor Power Amplifier

In this power amplifier, a power transistor is used to amplify the signal. Tape recorders, public address systems, radio and television receivers and other electronic devices use transistor power amplifiers in their circuit design.

5. High-Power Amplifier

This is mainly a nonlinear device used to amplify a small signal to a higher level. A high-power amplifier is used in applications with high-power output.

6. Multichannel Power Amplifier

A multichannel power amplifier produces copies of the same input signal with the same values distributed over multiple output channels.

Also Read: How to Select an Amp or Receiver to Match the Impedance and Power Needs of your Speakers

Top 7 Things to Consider While Buying a Power Amplifier

When choosing a power amplifier, do not miss out on these specifications as the power amplifier is critical to the quality of the sound system.

• Connections/Inputs: Make sure you have enough best-quality inputs for everything you’re plugging in.
• Power output: It equates to how loud you can pump out music. You would need more power if your room or speakers are big-sized. Also, consider speaker sensitivity.
• Total Harmonic Distortion + Noise (THD + N): It measures how much effect the amplifier has on the sound output.
• SNR (Signal to Noise Ratio): To make you hear more of the music and less of the noise, consider the signal-to-noise ratio. Choose a product that has a strong signal-to-noise ratio.
• Headroom:It is the difference between the normal operating level of an amplifier and the maximum amount that an amplifier can pass without distortion. For the speakers to produce a clean and undistorted signal, it would be a good idea to use an amplifier with extra headroom.
• Impedance:It determines the compatibility between an amplifier and a set of speakers.
• Consider the amplifier class: Class A design is the least efficient but has the highest sound fidelity. Class B design is a little more efficient but has a lot of distortion. Class AB design packs a punch with power efficiency and superb sound. Class D design offers the highest efficiency but isn't quite as high-fidelity.

Also Read: Understanding the difference between AV Receivers and Amplifiers

A Final Word on Power Amplifiers

Looking for a high-power amplifier price in India? 

We are assuming if you have read so far, you must have already braced yourself to explore our carefully curated collection of power amplifiers. Also, we understand there is a lot to keep in mind when buying power amplifiers and if It’s not a task you want to take up single-handedly, we are here to help! 

Head on over to check out our best power amplifier brands and reach out to our experts so they can help you determine which power amplifier will best suit your needs.

FAQs: 

1. How many Watts do I need in a power amplifier?

Power amplifiers are rated in watts. 

For home use, your amp should be approximately 20W. For a venue that holds around 100 people with a live performance or gig (small-scale live event), a 20W tube amp, or a 40W solid-state amp would be appropriate.

The higher the power (watts), the louder and cleaner the speakers will play. Ultimately, it all depends on your listening habits and your speaker's efficiency.

2. Why should I buy a power amplifier?

Power amplifiers are widely used in audio applications, radio communication, car audio, live venues, and medical equipment (MRI) among several others. 

For most people, it amplifies the sound of the instrument and boosts the overall performance of all kinds of sound systems, including a home audio system in many situations. Plenty of audio systems require power amplifiers and if chosen well, they will serve you for many years to come. 

Also, in common parlance, the receiver and amplifier might as well mean the same thing. However, they are not. There are subtle differences between the two. This guide by Ooberpad helps you understand the main differences between the two.

Contact us to discuss your requirements of Custom Pa Amplifier. Our experienced sales team can help you identify the options that best suit your needs.