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Gato Audio DIA-250 and DIA-400 Integrated Amplifiers

Gato Audio DIA-250 Integrated Amplifier

Gato Audio just announced the DIA-250 and DIA-400 Integrated Amplifiers with DAC, optical, coax and USB inputs for digital streaming direct from Apple iPod, iPhone, or iPad as well as any audiophile component. High quality analog input is via RCA connectors or via XLR connectors for true balanced signals. Both balanced and unbalanced line outputs are provided. Even the least powerful DIA-250 offers 250 watts per channel into 8 ohm loads, and the DIA-400 no less than 400 watts per channel. Both amplifiers double their power output into 4 ohm loads.

Modern Class-D technology enables extremely high efficiency, thereby providing both enormous power and huge voltage swing. Besides the obvious benefit of having this much power, the huge voltage swing from these powerhouses gives effortless dynamic headroom without clipping, all in the service of bringing you stunning musical performance.

The amplifier sections offer state of the art Class-D output stage with dedicated and optimized switch mode power supplies. The multiple stage power amplifier is built around proven technology from International Rectifier, optimized with a precision high frequency oscillator and PWM modulator. A pair of precision switching MOS-FET transistors, with super low on-resistance ensures the high frequency switching is done perfectly and with as little loss as possible. The output filters are made from quality PP capacitors and low DCR coils, converting the high power PWM signals back into detailed and smooth analogue music.

Gato Audio DIA-250 Integrated Amplifier - back

The built-in DAC offers real high end performance, enabled by the use of a dedicated power supply, a balanced-drive Burr-Brown PCM1794 D/A converter, an optimized high bandwidth I/V converter, and an analogue stage with low-Q, low pass filters. All digital inputs are upsampled to 24bit/192kHz. This D/A converter will upgrade any digital source — such as wired or wireless streaming from your computer or CD drive — to a high end level of detail and musical performance.

Price and Availability
The Gato Audio DIA-250 and DIA-400 (which look identical) are available from June 2013 and we offer three different design variants: High gloss black, white and walnut. Retail prices start from 3,250 EUR.

Specifications

DIA-250 Output power 2x 250 W / 8 Ω – 2x 500 W / 4 Ω
DIA-400 Output power 2x 400 W / 8 Ω – 2x 800 W / 4 Ω
Frequency response 20 Hz-20 kHz – 0.5 dB, and 2 Hz-700 kHz – 3 dB
Total Harmonic Distortion < 0,01% at rated power
Signal to noise ratio < 102 dB
Line out maximum level 13V balanced, 6,5V unbalanced
Total Harmonic Distortion < 0,001% pre out
Input impedance 20 kΩ RCA or 40 kΩ Balanced
Line output impedance 75 Ω
Voltage gain 26 dB (+10 db headroom)
Recommended speaker load 4 -16 Ω

Connectors

Balanced analogue inputs 1 pair gold plated XLR Neutrik
Unbalanced analogue inputs 2 pairs of gold plated RCA Stereo
Digital inputs 1 pc USB type B, 1 pc Toslink, 1 pc RCA
Balanced analogue outputs 1 pair gold plated XLR Neutrik
Unbalanced analogue outputs 1 pair of gold plated RCA Stereo
Speaker output 2 pairs of gold plated safety banana
Trigger, 12 V 1 pc mini jack

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