Gato Audio DIA-400S NPM Integrated Amplifier with DAC

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Stock code: GATODIA400sINT


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    Gato Audio DIA-400S NPM Integrated Amplifier

    OWN A NON-S MODEL?
    WANT TO UPGRADE TO THE FULL 'S' SPEC?

    DIA-250 > DIA-250S
    DIA-400 > DIA-400S
    PRD-3 > PRD-3S

    S is for "Super"

    The all new Gato Audio DIA-400S NPM has been thoroughly updated compared to the standard DIA-400. We wanted to get the performance even closer to that of our AMP-150 integrated amplifier but keeping all the versatile features and even adding a high quality aptX Bluetooth receiver. The DIA-400S NPM has not only become one of the best sounding Class-D amplifiers but also the most flexible available.

    We changed and improved the electrical circuits and layouts in more than twenty ways, the most significant being:

    • Optimized mains filter
    • Improved general and local power supplies
    • New input stage
    • Improved output stage
    • New analogue stages in the D/A converter
    • Improved digital signal routing
    • Updated firmware
    • Improved connectors
    • Incorporated aptX Bluetooth module

    Class-D with smooth analogue music
    The DIA-400S NPM amplifier offers a 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.

    More than just an Amp
    The built-in D/A converter 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.

    Versatility and Connectivity
    We had our eye on versatility and connectivity when designing this amplifier. The DIA-400S NPM offers not only a wide range of digital and analogue inputs, but also line outputs, a trigger signal for external power amplifiers, and a configurable home theater input. The HT input can turn the amplifier into a fixed level power amplifier for use in a surround setup, without compromising the sonic performance.

    Network Player Module (NPM)
    The Network Player Module is very versatile and it can be operated in several ways; one is as an endpoint to your Roon server, controlling the module through Roon software enabling local music, access to internet radio, Tidal etc. Another way of using the module is through an APP that will access to local media files by UPnP⁄DLNA plus various streaming services such as Tidal, Deezer and Qobuz.
     

    Features:

    • 2x 400W@8ohm / 2x 800W@4ohm
    • Class D output stage
    • Built in 24bit/192kHz D/A converter with upsampling
    • Coax, optical and asynchronous USB digital input up to 24bit/192kHz, optical up to 24bit/96kHz
    • aptX Bluetooth 4.0 receiver
    • Accepts digital streaming directly from Apple iPhone or iPad
    • Two unbalanced and one balanced inputs
    • Nonmagnetic enclosure
    • Direct function; enables use in home theater sytems
    • Designed, developed and build in Copenhagen, Denmark

    Technical data

    Technical stuff
    Output power 2x 400 W / 8 Ω - 2x 800 W / 4 Ω
    Frequency response 20 Hz-20 kHz - 0.5 dB, and 2 Hz-70 kHz - 3 dB
    Total Harmonic Distortion < 0,01% at rated power
    Signal to noise ratio > 110 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
    Size & Power
    Power Requirements 115 VAC/230 VAC, 50 Hz/60 Hz, 1600W max
    Power consumption stdb/idle/max < 1W/23W/1600W
    Dimensions (WxHxD) 325 x 105 x 420 mm / 12.8 x 4.1 x 16.5"
    Weight 13 kg / 28.7 lb

    Stock Enquiry

    Occasionally, due to stock demand, we can sell out. If this occurs when you make a purchase, we will inform you quickly. Most out of stock items are available for dispatch within 3 working days. If your purchase is urgent, use this form for a priority price and stock availability check.

    All pre-owned items are in stock and available for next day delivery if order placed before 1pm.

    Enquiries will be responded to within 1 hour during office hours.

     

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