Gato Audio DPA-4004 Multichannel Power Amplifier
The four-channel Gato Audio DPA-4004 is a flexible solution that offers a variety of options and combinations with the number of power output channels. A feature of the amplifier is to use modern technology to build the Class-D output stages , which in combination with a bridge connecting channel enables the production of high output power with a compact and elegant design.
The Gato Audio DPA-4004 provides at least 4x400W under 8 Ohm load, and at 4 ohms the value of channel capacity doubles. Each pair of channels in the amplifier can be connected in a bridge circuit, allowing individually configured power for multi-channel systems, or bi-amping speakers. The most obvious candidate to work in conjunction with the DPA-4004 is the award winning Gato Audio PRD-3 pre amp/dac, but the new model can also accompany the DIA-250/400 integrated amplifier, offering more channels and flexibility in terms of channel capacity. In multichannel systems, the DPA-4004 can serve to enhance the surround sound processor signals, possibly in combination with PRD-DIA-250/400 in the "Home Theater" mode.
Class-D with true 'analogue' audio
The DPA-4004 is a technically advanced solution in the form of Class D output stages with a separate power supply. The amplifying part is built on proven technology, with an optimized precision high-frequency generator and PWM modulator. Fast and accurate switching MOS-FET transistors have a very low on-state resistance, providing superior performance at high frequency with a minimal loss. Output filters on quality polypropylene capacitors and coils with low resistance convert powerful PWM signals back into analogue for an immersive detailed and textured sound.
|Output power (230 VAC)||4x 400W / 2x 800W / 1x 800W 250W + 2x / 2 x 400W @ 8 ohms
4x 800W / 2x 1600W / 1x 1600W + 2x 800W @ 4 ohms
|Frequency||20 Hz - 20 kHz ± 0.5 dB
2 Hz - 70 kHz ± 3 dB
|CED (power amplifier)||<0.01%|
|S / N ratio||> 110 dB|
|Input resistance||20 kΩ RCA or 40 kΩ (balance).|
|Recommended Load Impedance||SE 4 -16 Ω, BTL 8 -16 Ω|
|Balanced analog inputs||2 pairs of gold-plated XLR (Neutrik)|
|Unbalanced analog inputs||2 pairs of gold-plated RCA (Stereo)|
|Acoustic Outputs||4 pairs of gold-plated terminals (banana)|
|Trigger 12||1 mini jack|
|Dimensions and Power|
|Power Requirements||115 VAC / 230 VAC, 50 Hz / 60 Hz|
|Power consumption||Standby <1W, Idle <75 W,
Max. <2000 W
|Dimensions (WxHxD)||325 x 105 x 390 mm /12.8 x 4.1 x 15.4 "|
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