CY-1ET7040SA-02 Pro MK2 Dual-Mono Digital Power Amplifier
CY-1ET7040SA-02 Pro MK2 Dual-Mono Digital Power Amplifier
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CY-1ET7040SA-02 Pro MK2 is a spectacular dual mono digital power amplifier in our Pro series, capable of driving high performance loudspeakers with demanding power requirements. Powered by 2 pcs of Purifi Audio's latest generation 1ET7040SA 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 1ET7040SA's capabilities, our custom-designed BB-SPL7879C-2F 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 extremely stable power to the module. Combined with a choice of Op Amps such as Sparkos Labs or Sonic Imagery operating in full Class-A, the sound is 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 provide digital amplifiers, but also provide sound quality comparable to traditional amplifiers on the market that are several times more expensive, whether they are Class-A, Class-AB or even other Class-D types.
To acheive the best possible sound from the CY-1ET7040SA-02 Pro MK2, the quality of the power supply to the buffer board is one of the key factor. After continuous research and testing on the power supply by our R&D team, the following three requirements must be met in order to bring its performance to the next level: first, the power must be stable; second, the power must be sufficient; third, the power must be pure. The first requirement has been fully accomplished by adapting discrete voltage regulators with the most powerful noise reduction capabilities, while the remaining two requirements are fulfilled by using our specially designed LPS-AUX02B-2H auxiliary linear power supply module. With two 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 sufficient current supply. To ensure that the Op amps draw the purest and cleanest power in the entire power chain, each set of power supplies uses an audiophile-quality linear power supply to power the buffer board, which perfectly complements its discrete voltage regulators, bringing its power quality closer to perfection. In addition, a variety of efficient power management functions are also implemented, 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 Pro Series is supplied by 2 pcs of Hypex SMPS1200A400 switching power supplies that perfectly match with the 1ET7040SA, creating a true dual mono design to maximize its performance 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 Pro series, each buffer board of this amplifier comes with a pair of studio-grade Sparkos Labs SS2590 full-discrete Class-A audiophile Op amps, and all connectors are equipped with our carefully selected high quality components, including red copper speaker post and power IEC inlet from Furutech. Independent from the power IEC inlet, the Schurter fuse socket also allows customers to upgrade with different types of audiophile-grade fuses according to their own preferences. Benefiting from internal structure of the modular configuration, Op amps can be replaced with equivalent Sonic Imagery 990Enh or the cutting-edge Weiss OP2-BP upon customers request. Not just limited to Op amps, customers can also choose to upgrade other components, including power IEC inlet, XLR Socket and speaker post as well as Neotech 7N UP-OCC copper internal cable and other accessories. In order to allow users to have a better experience during the operation, most of the functions of this amplifier can be controlled through the LCD display button on the front panel, such as system on/off, gain setting, input selection, etc. 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 : | True Dual Mono System |
| Module: | Purifi Audio 1ET7040SA (2 pcs) |
| Power Module: | Hypex SMPS1200A400 (2 pcs) |
| Auxiliary Power Module: | LPS-AUX02B-2H (1 pc); provides independent linear power supply for each channel's op amp and power management functions |
| Buffer Board: | BB-SPL7879C-2F (2 pcs); Each employing Sparkos Labs SS78XX and SS79XX discrete regulators |
| Operational Amplifier: | Sparkos Labs SS2590 (2 pairs); Optional Sonic Imagery 990Enh (2 pairs) or Weiss OP2-BP (2 pairs) |
| Power : | 250W 8 ohm |
| 500W 4 ohm | |
| 950W 2 ohm | |
| SNR: | 129dB |
| Frequency Response: | 0-60KHz + 0 / -3dB |
| Low Distortion: | THN+D - 0.00035% 200W 4Ω 1KHz |
| Input Impedance: | 47K |
| Gain: | 20/27dB (Select by control button); 13dB (Bypass; Internal Switch) |
| Current Output: | ~40A |
| Efficiency: | > 94% |
| Input: | ⅩLR Balanced X 2 Sets (Select by control button) |
| Control Button: | 0.99" LCD Color Screen Knob |
| Case: | All-aluminum (Extra thick chassis; Silver or Black) |
| Dimension: | 430mm (W) X 328mm (D) X 90mm (H) 430mm (W) X 354mm (D: including posts) X 103mm (H: including legs) |
| Weight: | ~14kg (net weight) ~16kg (gross weight) |
| Warranty: | 2 years |
Configuration Options
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- 2 Channels
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- Support
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- SS2590
- 990Enh +$165
- OP2-BP +$479
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- 2 Sets
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- Support
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- 0.99"
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- Red Copper Gold Plated
- Red Copper Rhodium Plated +$23
- WBT 0703CU +$62
- WBT 0703AG +$160
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- Neutrik Gold Plated XLR X 2 Sets
- Furutech Rhodium Plated XLR (upgrade 1 set only) +$67
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- Furutech Gold Plated
- Furutech NCF Rhodium Plated +$12
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- Schurter
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- Pure Copper Silver Plated
- Neotech UP-OCC +$37
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- Extra Thick
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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