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Build Your Own (Custom Configuration) Audiophile Power Amplifier

Custom Built Audiophile Power Amplifier
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Our XPA Gen3 Modular Amplifier System allows you select the perfect amplifier – by configuring yo...More

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. Less

Audiophile grade Class A/B output stages and a massive silent switch mode power supply.
Modular design lets you create the perfect amplifier for your system.
You need a great sounding amp to get the best from your high-end speakers.
Choice of high-power and low-power channel modules.
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  • Features

  • Overview

  • Specs & Downloads

Sound Quality First

Designed first and foremost to sound great in all types of audio systems with all types of music.

Great sounding Class A/B output stage ensures smooth, detailed sound and incredibly natural imaging, without a trace of harshness or strain.

Low noise, wide bandwidth design, and a highly optimized input stage, lets you hear everything your high definition sources have to offer.

Totally stable with real world speakers in real systems; not just on a test bench.

Modern Efficient Circuit Design

Optimized Soft-Switch Class H™ power supply topology delivers improved efficiency without compromising audio performance.

Switched Mode Power Supply (SMPS) offers all of the performance of a traditional linear power supply, with improved efficiency and reliability, and reduced overall weight.

Quality Construction

Top quality parts and construction throughout for years of reliable trouble-free service. .

Heavy steel 4RU chassis with milled aluminum faceplate offers strength and rugged good looks. .

Solid machined gold-plated RCA input connectors provide a reliable connection with a wide variety of audio interconnects. .

Fully modular construction allows you to purchase as many channels as you need today, and then add more channels later when and if you need them. .

Designed, assembled, and tested in the U.S.A. at our plant here in Franklin, Tennessee

Flexible Signal Connections and Power Options

Gold plated five-way speaker binding posts with clear shields allow you to use a wide range of speaker cables with bare wires, lugs, or banana plugs. .

Choice of balanced or unbalanced input for each channel, independently controlled by reliable metal toggle switches. .

Remote trigger input and output allow the XPA Gen3 to control and be controlled by other trigger-enabled equipment. .

World compliant AC line voltage operation enables the XPA Gen3 to operate on any line voltage between 100 VAC and 250 VAC 50/60Hz. .

Standard IEC power inlet fits all standard IEC power cables and most custom audiophile power cables.

Protection

Audiophile-grade fault protection is entirely transparent under normal listening conditions, yet protects the amp and your other equipment from virtually all common faults. .

The XPA Gen3 is protected from AC line faults by a rugged resettable rear panel push-button circuit breaker. .

Full five-year warranty ensures that you’ll be able to enjoy your XPA Gen3 amplifier for years to come.

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.

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 amount of High Power Modules - 3rd number is 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): 1.5 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).

Maxiumum 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.

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, ground faults, 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  

Complete Your Audio Solution

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