CY-1ET400A-03 Lite MK2 3-Channel Digital Power Amplifier
CY-1ET400A-03 Lite MK2 3-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 buffer board features the cutting-edge Sparkos Labs SS78XX and SS79XX discrete voltage regulators, eliminating any unnecessary noise and interference before the power reaches the Op amps of this buffer board, thus supplying a pure and clean 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. By using our built-in 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 ultra noise reduction SS78XX/SS79XX voltage 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. The main power for 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.
In the standard configuration of our Lite series, each buffer board of this amplifier 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, including power IEC inlet, speaker post and other accessories. For even better performance, a true triple mono system can be achieved by adding another SMPS1500-PFCR4M switching power supply so that when listening to songs with large dynamic ranges such as jazz or classical music, each channel has continuous of 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 (1 pc per channel) |
| Power Module: | SMPS1500-PFCR4M switching power supply (1 pc); Optional selectable to one pc per channel upgrading to true three 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: | Employed Sparkos Labs SS78XX and SS79XX Discrete Regulator (1 pair per channel) |
| Operational Amplifier: | TI OPA1612 (1 pc per channel); Optional parkos Labs SS3602 or Sparkos Labs SS2590 (1 pair each) |
| Power : | 227W 8 ohm |
| 425W 4 ohm | |
| 450W 2 ohm | |
| SNR: | 131dB |
| Frequency Response: | 0-50KHz + 0 / -3dB |
| 20-20KHz +/-. 01dB | |
| Low Distortion: | THN+D < 0.002% 100W 8Ω 1KHz |
| Input Impedance: | 51K |
| Gain: | 19.8/26.8dB |
| 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: | ~10kg (net weight) ~11kg (gross weight) |
| Warranty: | 2 years |
Configuration Options
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- 3 Channels
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- --
- Upgrade +$111
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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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- 110V
- 220V
- 230V
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- US 3-Pin
- National 3-Pin
- UK 3-Pin
- EU Type
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- Silver
- Black