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Power Amplifier XP-A500 Class AD completely balanced

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PRODUCT LITERATURE:

Extraudio Power Amplifier XP-A500 Brochure (868 Kb)

Our power amplifier can be reconfigured or upgraded in the future by changing the internal amplification module for a more or less powerful one. This option adds to the useful life of the product and improves compatibility with all kinds of speakers while offering a more efficient use of energy.

The different power modules are: 2x500W or 2x1000W. These modules are the musical muscle of the amplification system and have a completely flat frequency response.

The best way to describe this power amplifier is to highlight its devastating clout, its speed, its attack its tight, deep realistic bass that combines smoothness with a touch of warmth. However, its most outstanding characteristic is the degree of realism it conveys by its completely transparent reproduction of music.

This power stage has been designed taking into account the ability to handle any kind of speaker no matter how difficult to drive either due to its size or its current demands. At the same time, it delivers a smooth sound with delicacy respecting the essence of the music; the sustain, the weight and the transparency of the musical notes and completely balanced.

Moreover, thanks to its power, it is one of the few power stages on the market that is configurable, efficient and environmentally friendly.


Protections:
Thermal protection, Advanced over current protection, DC- Error, Sound optimized soft clipping.
0,5W standby.
External controlled operation.
Design approved CE, FCC

GENERAL STATEMENTS
Extraudio – a different concept focused on satisfying audiophile needs.
Extraudio products are unique, handmade and exclusive. They are assembled by hand and can be customized and adjusted to the sound preferred by the user. These products have an authentic, clean sound.

NOTE: All Extraudio products are handmade by craftsmen and can be customized to fit like a tailor-made suit. We undertake a study of the client’s musical preferences and the rest of his or her equipment in order to make a complete adjustment to obtain the synergy and the sound that the listener is seeking.
Furthermore, Extraudio products are available in upgraded versions: Chromed series. Don’t hesitate to request more information about our upgrades and accessories.

We work in reverse in Extraudio. We do not take costs or economics of scale into consideration. What we do is to prioritize our clients and the music. This is our philosophy and our greatest differentiating factor.
Our secret is to maintain a very low annual output of our products in order to be able to adjust them perfectly and to dispose of enough time to examine all the details and thus create an exclusive product.
Thus, we can offer the quality an audiophile demands, forgetting about costs and working to achieve quality and an authentic live sound. All the electronic components are selected and matched by hand choosing only those of the highest quality, with the best thermal properties and the most durable that are available on the market. This is our great struggle against inefficient energy and programmed obsolescence.

Technical specifications and features

Frequency response:
10Hz to > 100Khz +0db, flat response.
Low Frequency: 1.5Hz -3dB
High Frequency: 120kHz -3dB

Dynamic range / dBA:
> 120dBA

Total harmonic distorsion / THD:
THD+N: 0,003% @ 1W (8 Ohm, 1Khz)

Analog inputs / Input impedance:
1 pair unbalanced RCA + 1 Pair Balanced XLR 120K ohms Balanced, 60K ohms RCA Inputs

Other inputs / Outputs:
Inputs and outputs 12VDC trigger activation (Jack 3.5mm),
4 Heavy-duty 24k gold-plated, speaker binding posts.

Total efficiency:
84,4% @ 500W, 8 Ohm

Max Output Power:
1KHz, THD=1%, All channels driven. Pr=Per channel.
Pr: 2 Ω 450Wrms / Pr: 4 Ω 500Wrms / Pr: 8 Ω  350Wrms

Maximum current output: 60 Amp
Minimun Load: 3 Ohm

Power requirements:
200-240VAC 50/60Hz, 79 watts – 0,5w standby power consumption Energy Star & EU specs

Dimensions:
44,5 cm W by 12,5 cm H by 39,5 cm D
56,5 cm W by 24 cm H by 52,5 cm D (shipping)

Weight:
35 lbs. (16 kg) Net; 41 lbs. (22 kg) Shipping.

The Extraudio power amplifier is protected against short circuits, overload and over heating and includes on-board fuses and EMI filtering to provide a CE and FCC pre-approved design.

These pre-specifications are subject be changed without notice.
EXTRAUDIO, BV The Netherlands – 2017

EXTRAUDIO POWER SUPPLY AND TRANSFORMER

Extraudio’s six power supply sources are specially designed to work with audio signals and have been calculated for audio frequency response.
Extraudio power supplies regulated and non-regulated, low noise and high voltage supplies for audio input stages.
Power supply Audio grade capacitor “Elna and Mundorf”
Automatic 60 seconds warm-up/brown-out mute, controlled by microcontroller.
Extraudio Premium TR-CORE Transformer 79VA
The Extraudio transformer was designed and built without compromising reliability. It ensures: low radiation, low mechanical vibration, high quality cabling, sand core and no hum, especially for low audio signals.
Extraudio high performance transformers for the conversion of low frequency audio signals unbalanced to balanced and in reverse.

EXTRAUDIO CHASSIS:

Extraudio chassis are strong and long-lasting and work as a precise technical solution designed to protect and enhance our real sound.
The chassis is a kind of safe box in which, we keep our electronic plaques and eliminate the external interferences and vibrations. The upper parts were built thicker in order to void vibrations and provide with much better interference avoidance. The aluminum used in its building is that of the best aeronautical quality which results in firmness and conductivity.

EXTRAUDIO, ELECTRONICS PARTS AND COMPONENTS

All the electronic components and pieces are assembled by hand in Europe by fully qualified personnel.
All standard products incorporate Mundorf paper in oil audio grade capacitors – Made in Germany”
For Chromed versions special audio grade capacitor paper in oil and 2% gold and silver and superior NOS audio valves
Special relay for low audio signals.
Premium fuses for gold or rhodium audio applications.
Premium Elna, Aluminum electrolytic capacitors for audio applications.
Premium Alps motor potentiometer for volume control.
Premium Alps rotary encoder.
Gold-plated RCA input.
Internal ground lift switch.
Heavy-duty pure copper-plated speaker terminals WBT.