CY-1ET400A-03 Lite MK2 3-Channel Digital Power Amplifier
CY-1ET400A-03/03T Lite MK23-Channel Digital Power Amplifier
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CY-1ET400A-03 Lite MK2 is a very cost effective three channel digital amplifier in our Lite Series, capable of driving high performance left, center, and right channel loudspeakers with demanding power requirements in a surrounding system. Powered by 3 pcs of Purifi Audio's 1ET400A modules, this amplifier delivers extraordinary musical performance with its superb detail, resolution and soundstage, as well as ultra-low noise distortion and extremely fast transient response. To get the most out of the 1ET400A's capabilities, our custom-designed BB-TI4733D-3F buffer board features the high quality TI TPS7A4700/3301 low dropout regulators, eliminating any unnecessary noise and interference before the power reaches the Op amps of this buffer board, thus supplying stable power to the module. In addition to adapting to most of the popular Op amps in the market, it can also be configured with other audiophile-grade Op amps, making the sound richer, denser and more delicate while adding warmth and depth. Benefiting from the continuous innovation of digital amplifier technologies over the years, our latest generation of amplifiers not only retains the unique sound characteristics, high efficiency power and lightweight size of previous digital amplifiers, but also provides sound quality comparable to traditional amplifiers on the market that are several times more expensive, whether it is Class-A, Class-AB and even other Class-D types. By using our specially designed LPS-AUX03C-3H auxiliary power module, versatile power supply functions are implemented to make this amplifier even more powerful. The main function of this power module is to further improve the efficiency of the buffer board, taking the audio performance of this amplifier to another level. With three sets of internal power supplies, it independently powers the buffer board of each channel to secure that the Op amps of each channel obtain the most stable current supply. In order to further improve the power quality, each set of power supplies uses a high grade linear power supply to power the buffer board, which perfectly complements its low dropout regulators, ensuring that the Op amps draw purer and cleaner power in the entire power chain. In addition, a variety of efficient power management functions are also provided, including the ability to control the power state of the main power supply and support for 12V trigger control switch functions. As for the main power, this amplifier in the Lite Series is supplied by 2 pcs of our SMPS1500-PFCR4M switching power supplies customized by our engineers for the 1ET400A, providing stable current support for its superior performance.
Introducing the three-power supply version of the same model, CY-1ET400A-03T Lite MK2, to satisfy customers who cannot compromise on any details of their music. This model is a true triple-mono system to ensure that the power supply of each channel is independent and does not interfere with each other, so that when listening to songs with large dynamic ranges such as jazz or classical music, each channel has continuous of power supply. In the standard configuration of our Lite series, each buffer board of both models comes with the very popular TI OPA1612 dual Op amps and all connectors are equipped with our carefully selected high quality components. Benefiting from internal structure of the modular configuration, Op amps can be replaced with audiophile-grade Sparkos Labs SS3602 or Sparkos Labs SS2590 full-discrete Class-A dual Op amps upon customers request. Not just limited to Op amps, customers can also choose to upgrade other components before shipment, including power IEC inlet, speaker post and other accessories. In addition, the existing dual-power system can be upgraded to a three-power system in the future by adding another SMPS1500-PFCR4M switching power supply. Lastly, all of our amplifiers also employ a new symmetrical internal and rear panel layout to keep the internal wiring as short as possible.
| Sound Channel : | Three Channel System |
| Module: | Purifi Audio 1ET400A (3 pcs) |
| Power Module: | CY-1ET400A-03 Lite MK2: SMPS1500-PFCR4M (2 pcs); Three-channel system CY-1ET400A-03T Lite MK2: SMPS1500-PFCR4M (3 pcs); True triple-mono system |
| Auxiliary Power Module: | LPS-AUX03C-3H (1 pc); provides independent linear power supply for each channel's op amp and power management functions |
| Buffer Board: | BB-TI 4733D-3F (3 pcs); Each employing TI TPS7A4700/3301 low dropout regulators |
| Operational Amplifier: | TI OPA1612 (2 pcs); Optional parkos Labs SS3602 (2 pcs) or Sparkos Labs SS2590 (2 pairs) |
| Power : | 227W 8 ohm |
| 425W 4 ohm | |
| 450W 2 ohm | |
| SNR: | 131dB |
| Frequency Response: | 0-60k Hz +0/-3dB |
| Low Distortion: | HN+D - 0.00015% 100W 4Ω 1kHz |
| Input Impedance: | 47K |
| Gain: | 19.8/26.8dB (Manual Switch); 12.8dB (Bypass; Internal Switch) |
| Current Output: | ~25A |
| Efficiency: | > 94% |
| Input: | RCA unbalanced / XLR balanced (Manual Switch) |
| Switch Button: | Crystal/Metal Casing (w/ Blue LED light) |
| Case: | All-aluminum (Silver or Black) |
| Dimension: | 430mm (W) X 428mm (D) X 90mm (H) 430mm (W) X 454mm (D: including posts) X 100mm (H: including legs) |
| Weight: | CY-1ET400A-03 Lite MK2: ~10kg (net weight); ~12kg (gross weight) CY-1ET400A-03T Lite MK2: ~13kg (net weight); ~15kg (gross weight) |
| Warranty: | 2 years |
Configuration Options
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- CY-1ET400A-03 Lite MK2（3-Channel System）
- CY-1ET400A-03D Lite MK2（True Triple-Mono System） +$100
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- OPA1612
- SS3602 +$201
- 994Enh +$295
- SS2590 +$323
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- 3 Sets
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- Support
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- Std. Gold Plated
- High Quality Gold Plated +$26
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- Std. Gold Plated +RCA
- Neutrik Gold Plated XLR + RCA +$13
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- Red Copper Rhodium Plated
- Furutech Gold Plated +$18
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- Aluminum Alloy
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- 100V-120V
- 220V-240V
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- US 3-Pin
- National 3-Pin
- UK 3-Pin
- EU Type
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- Silver
- Black