HOLO AUDIO MAY DAC L1 & L2 *Para Encomendar
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Caso pretenda comprar, favor contactar Carlos Moreira
Tel.: 917 230 062
HOLO AUDIO – MAY DAC (R2R – DSD1024)
O MAY DAC chegou! Mais de 3 anos de espera e um tremendo R&D para atingir um novo nível de desempenho e qualidade de som que estabelece um novo padrão. Som analógico natural sem compromisso. Tendo as melhores medidas de NOS R2R DAC. O MAY é um DAC mono DUAL. Portanto, há um módulo DAC dedicado para o canal esquerdo e um módulo DAC dedicado para o canal direito. Além disso, cada canal é alimentado individualmente pelo transformador Otype FLATWIRE dedicado, encontrado em todos os três modelos.
SOME NOTED FEATURES
The May DAC (all three models) will also support DSD1024 native and PCM 1.536MHz output! Theoretically it can do DSD2048 and PCM 3.072Mhz however is untested at this time. Also, we have worked hard to reduce the common click noise with all dacs when switching from DSD to PCM. This sound click sound has been reduced significantly with a special circuit design. The May DAC has the new and exclusive USB Enhanced module which has our FPGA with the new Titanis 2.0 and custom firmware to improve USB Eye Pattern and reduce latency to near zero as well as reduce jitter to very very low levels. The USB module has completely new code written to optimize performance and reduce latency significantly. Low frequency performance (-40db) is also improved. The enhanced USB module has two XMOS xu208 chips instead of one that is used in the Spring2.
New improved power supply circuit with high performance multi stage regulation circuit using Rubycon ZLH caps, Panasonic FC, Vishay Caps or L2/KTE models with our exclusive HoloAudio Branded Caps (KTE model unique custom proprietary caps to replace Vishay caps)
We are no longer using common LVDS chipset and are now using a custom 4way circuit that isolates each line which further improves sound quality. such as the MCLK is isolated from data line and this improves jitter spec. Also there are TWO i2s ports in the May dac. Each one can be individually configured pin outs to support all i2s products on the market.
The May and KTE version of the May DAC also is with a CNC machined aluminum remote control! Standard with all three models.
The KTE version has OCC copper wire replaced with 1.5mm pure silver wire. 1.5mm Silver wire is soldered direct to the pcbs with highest grade audio solder. Silver Rhodium Faston connectors used at IEC input.
The May is a DUAL mono DAC. so there is a dedicated Dac Module for Left Channel and a dedicated Dac Module for Right Channel. Also each channel is individually powered by it’s dedicated Otype FLATWIRE transformer found in all three models. We have found after careful testing this new transformer type outperforms ALL transformers we have ever tested to this date. Near zero leakage, improved dynamics and overall spectacular performance. They are handmade for this dac specifically and delivery world class performance you would expect.
May dac also has a new screen on the front that appears the same as the Spring2 on initial glance. Font size is bigger than Spring2 but smaller than Spring1. Also you can see the CD track-time information is displayed when using spdif inputs!!!. This is done by extracting additional data from SPDIF. This a part of CD red book standard but nobody notices this and often forgets this cool feature or doesn’t know how to extract the data!. This will lead a fashion for other DAC developer to support this feature customers will surely love this feature albeit subtle. The screen is much better contrast and viewing angles and one of the first things one may notice.
The May also has a front power button now! It’s been a request by many customers and gone are the days of a good old reach around to get the dac to be turned on! As mentioned before above the dac has a soft start circuit!! So don’t fret, it takes a moment for it to charge up and pull power without blowing the fuse!! It actually uses the same exact value of fuse that our spring1 and spring2 has! But two transformers! If we don’t have a soft start a couple issues can happen one being a blown fuse from power surge, and another simply having possible pop noises. No chance of these things happening. We have carefully designed the circuit to have a zero compromise design.
Volume Control has NOT been implemented (on purpose!) A preamp is designed to do any of these things such us increasing the gain; Lowering the output impedance; converting from unbalanced to balanced or any combination. If your device has an output impedance that is too close to the input impedance of the device you’re connecting it to, you will be in the wrong gear, and your signal may be too weak. That weakness will result in a degrade of the analogue output. DAC’s offering volume control mostly do not have an integrated preamp. At this quality level there is no question integrating degradation into the DAC.
- 100VA DUAL O-type(not Toroid) FLATWIRE (NOT roundwire) 6N Copper custom hand made audio transformers. (All models)
- All copper wire is replaced with 1.5mm pure occ silver wire. Only KTE model
- Hand Selected Dac modules to have best measurements compared to averages. Higher dynamic range. Only KTE model.
- CNC Black/Copper shield DAC Module Covers on each module with laser etched KTE logos. Only KTE model.
- Replaced IEC inlet connectors with pure silver/rhodium plated faston connectors at the IEC inlet Only KTE model.
- Fuse is upgraded with world class Red Nano fuse with gold/silver and graphene and quartz filtering materials. Only KTE Model
- Standard Vishay caps are replaced/upgraded with KTE capacitors***unique ONLY to MAY KTE – KTE Caps to replace Vishay on the L1/L2 models (we have done extensive testing and these prove to provide intoxicating voicing and are beyond subtle improvements over L1/L2)
- Custom made HoloAudio 1000V 1uF caps (replaces standard mundorf evo silver/gold caps)
- Enhanced USB module with Titanis 2.0 circuit
- Special Kitsune Tuned Edition branding inside and out (pure copper Kitsune fox emblem on top panel) + remote control
NOTABLE FEATURES OF MAY DAC
The new generation of linear compensation technology solves the accuracy errors caused by resistor tolerance, after compensation, reaching a variance of 005% tolerance accuracy.
Proprietary anti-jitter technology that provides a full amplitude of anti-jitter without increasing noise floor and other undesirable effects.
Based on this new generation of technology May can provide a SINAD of >115dB and a dynamic range of >130dB, which represents the performance limit reached by today’s most advanced R2R architecture DAC.
Using the ultimate performance of PLL+FIFO technology, provides 0.1Hz Third-Order low-pass ability to inhibit jitter. It also uses a high-performance femtosecond VCXO as the PLL clock source. Under the premise of being almost immune to the front-end jitter, it can also lock up to 1.5us-2us @ 1KHz signal with high jitter. (It can lock up to 1.5us-2us @ 1kHz signal with high jitter on the premise of almost being immune front-end jitter).
Dual Mono DAC L/R channels are independently powered by their own dedicated transformer in the PSU chassis. This provides better channel separation and more accurate sound stage.
Official Support USB and I2S up to DSD1024 and PCM1.536MHz sample rate.
The USB interface uses proprietary firmware with ultra-low latency, a highly reliable data transmission, ideal USB eye pattern measurements that contributes to 2-4 times higher performance than official firmware.
Two sets of independent HDMI-I2S input interfaces are provided, and each set of I2S has a four-way
independent circuit, as opposed to standard LVDS chip, making I2S clock signals subject to lower
interference and lower jitter. In addition, each group of I2S inputs can be configured with specific pinout configuration, making it compatible with most of the HDMI-I2S digital devices on the market.
- RCA coaxial
- BNC coaxial
- HDMI (I2S LVDS)*
- HDMI (I2S LVDS)*
*USB supports Linux; MAC and Windows (7,8 10, 2012)
*HDMI LVDS Compatible with Singxer SU-2 and Pink Faun I2S Bridge
- RCA single-ended
- XLR balanced
WEIGHT 19 kg
DIMENSIONS 430mm × 299mm × 152mm
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