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Tube DAC
The TUBE DAC is designed to convert a digital signal to analog with total integrity and without introducing the slightest impurity or coloration to the original sound. This objective has been totally achieved, and sound has never reached such a true level of definition.
The effort put into the design and exactitude of the Nagra TUBE DAC was exceptional from every perspective. Its circuits, which adopt the DSD 4x (Direct Stream Digital 256) run at the highest resolution available today, 256 times that of a standard CD and four times that of SACD.
Classic PSU
Power supply is a critical part of any audio design. Somehow it sets the upper limit of the quality that the product will be able to provide. Our company has always been extremely knowledgeable about power supply as designing high-quality portable power supply is a real challenge.
The Classic PSU is inspired by the PL-P battery power supply, where the battery is replaced by a bank of super capacitors. Super capacitors are becoming more and more popular as they offer the advantages of a battery without having to worry about charging or battery’s life.
Overview
Nagra Tube DAC Overview
The Nagra TUBE DAC is a no-compromise D/A converter that can reproduce DSD 256 and 384 kHz PCM signals with an unparalleled natural rendition.
Following the path to high definition sound laid down by the world-acclaimed HD DAC, we wanted to offer the latest sampling frequencies and resolution. We took the opportunity of extending the HD DAC X project with a whole new digital interface and converter to update and upgrade the HD DAC.
The new digital core is built on the experience gained from the HD DAC. The design features an entirely new converter as well as a new USB interface. The result is highly impressive and also a major improvement in every format, even regular red-book CD through S/P Dif, for instance.
CONVERSION
The TUBE DAC is designed to convert a digital signal to analog with total integrity and without introducing the slightest impurity or coloration to the original sound. This objective has been totally achieved, and sound has never reached such a true level of definition.
The effort put into the design and exactitude of the Nagra TUBE DAC was exceptional from every perspective. Its circuits, which adopt the DSD 4x (Direct Stream Digital 256) run at the highest resolution available today, 256 times that of a standard CD and four times that of SACD.
ANALOG SECTION
The analog section was also the object of a no-holds-barred approach. Thanks to the quality of the signals supplied from the digital conversion circuits, the traditional steep slope filters have been totally eliminated. The consequence of this is the preservation of transients and harmonics, enabling the music to present an exceptionally natural sound. Some of the critical design elements include ultra-high-performance drivers, hand-wound transformers and a tube-driven output stage.
POWER SUPPLIES
There are 25 precision ultra-low-noise internal power supplies that drive the unit, giving each element its own independent and pure supply source. The Nagra TUBE DAC converter needs two external power supplies, one for the digital section and the other for the analog, keeping the two sections independently isolated. It should be paired up with the Nagra CLASSIC PSU unit to attain its ultimate performance although it is also compatible with the previous generation power supply, the Nagra MPS.
CONNECTIVITY
The TUBE DAC is equipped with extensive connection possibilities, allowing integration in all types of domestic and professional systems. It is particularly suited to computer environments thanks to its new generation audio USB input, through which it receives signals up to the DSD 256 format from a PC or MAC.
Nagra Classic PSU Overview
CLASSIC PSU
Power supply is a critical part of any audio design. Somehow it sets the upper limit of the quality that the product will be able to provide. Our company has always been extremely knowledgeable about power supply as designing high-quality portable power supply is a real challenge.
The Classic PSU is inspired by the PL-P battery power supply, where the battery is replaced by a bank of super capacitors. Super capacitors are becoming more and more popular as they offer the advantages of a battery without having to worry about charging or battery’s life.
PERFORMANCE
The Classic PSU is a very technically advanced product that can be seen as a compact HD PREAMP power supply. It features carbide silicon diodes, extremely fast diodes without recovery time. They allow a totally smooth rectification. It also includes cascades of silent regulators to offer a perfectly stable DC current for the Classic Line to operate with.
The Classic PSU can be used with the CD range of products, VPS phono stage, JAZZ, Melody and the latest Classic DAC, Classic PREAMP, HD DAC and TUBE DAC. It will revitalize any Nagra devices and allow them to express their full potential.
DESIGN
Extended chassis common to the CLASSIC range allows a greater number of components to be used compared to the Nagra JAZZ. This allows greater filtering of the internal power supplies for an improved listening experience. This design philosophy was first seen on the HD DAC and inspires the entire CLASSIC range.
ELECTRONICS
Bespoke polypropylene capacitors created especially for the CLASSIC PREAMP are used for decoupling and interstage to deliver exceptional performance.
- Wide frequency response and linear phase response provided by no-compromise design and high quality custom-made components.
- Separate multiple ultra low-noise right and left channel power supplies create a larger and more realistic soundstage.
- High-quality headphones amplifier circuit is the same as that employed by the Nagra HD DAC.
CONNECTIVITY
1 x XLR and 4 x RCA inputs enable the CLASSIC PREAMP to be connected to a variety of sources.
2 x XLR and 1 x RCA outputs allow the CLASSIC PREAMP to be connected to two power amps if required for a monobloc solution.
A true bypass XLR connector allows the machine to be hooked up to a high-end home cinema to benefit from a power amp downstream and provide a neat cabling solution.
Optional input and output transformers are available separately to create a fully symmetrical floating signal that will further enhance performance. These transformers are hand-wound in-house by Nagra in order to meeting the exacting standards of the design brief.
POWER SUPPLY
On-board internal power-supply allows direct connection to the mains, a feature shared with the CLASSIC DAC. This solution, which obviates the need for the external Nagra ACPS II power supply delivered separately with other Nagra units nonetheless produces superior performance. Should the customer desire, the CLASSIC PREAMP can be powered by Nagra’s dedicated Classic PSU power supply via the 12 V DC Lemo connector on the rear panel to provide additional performance gains.
USER-FRIENDLY DESIGN
Front panel with LCD screen, similar to the Nagra CLASSIC DAC so that each input can be named. An intuitive menu allows access to custom settings as well as operating time. All functions are accessible via a provided remote.
- Traditional Nagra Modulometer showing the output level.
- Output gain is switchable between 0 and 12 dB via a switch on the front panel to achieve optimal gain whatever the nature of the source.
Same dimensions as the other elements in the Nagra CLASSIC range allowing for neat and aesthetic stacking in the building of a complete Nagra system from various components.
Classic PSU Features
PERFORMANCE
The Classic PSU is a very technically advanced product that can be seen as a compact HD PREAMP power supply. It features carbide silicon diodes, extremely fast diodes without recovery time. They allow a totally smooth rectification. It also includes cascades of silent regulators to offer a perfectly stable DC current for the Classic Line to operate with.
The Classic PSU can be used with the CD range of products, VPS phono stage, JAZZ, Melody and the latest Classic DAC, Classic PREAMP, HD DAC and TUBE DAC. It will revitalize any Nagra devices and allow them to express their full potential.
Electronics:
Internal processing:11.2 MHz, 72 Bits
Compatible digital formats:PCM 24 bits up to 384 kHz, DXD, DSD 256
Bandwidth:5Hz to 40 kHz (+0 – 3dB)
Noise level:-128 dBr (linear)
Interchannel phase:<0.5° at 20 kHz
Distortion:< 0.02% (at -20dBFS)
Connections:
Digital inputs:2 x S/DIF, 1 AES/EBU, 1 Optical, 1 Audio USB (mode 2), 1 x I2S (Nagra format)
Outputs:1 stereo on RCA connectors, 1 stereo XLR
(Symmetrical on transformers available as an option)
Dimensions:280 x 350 x 76mm (12 x 13.7 x 3 inches)
Power Supply:
Compatible with Nagra PSU (recommended for maximum performance) and Nagra MPS (compatible)
Classic PSU Specifications
Compatibility :Nagra CDC, CDP, CDT, HD DAC, CLASSIC DAC, TUBE DAC, BPS, VPS, CLASSIC PHONO, MELODY, JAZZ and CLASSIC PREAMP
Outputs :1 to 3, 12 V DC, 1.5 A Lemo pin 2-3, GND contact – command Lemo pin 1
Linear noise :
- 30 μV maximum No load – 10 Hz – 500 kHz
- 20 μV maximum Full load – 10 Hz – 500 kHz
Home automation input and outputs :input : 1x 3.5 mm jack connectors – Input command, output : 3x 3.5 mm jack connectors – Output switching by relay
Mains supply : 100, 115, 120, 127, 230 or 240 VAC, ±10%
Power consumption :Maximum 100 W – In standby < 1W
DC cables :Custom made shielded cable with high quality Lemo connectors, available in 0.75 or 1.25m lengths. Other lengths available on request.DC cable for the BPS, 1m.
Dimensions :350 (390 from nose of the modulometer to back of the connectors) x 277 x 80mm (15.4 x 10.9 x 3.2 inches) – Add 3cm or 1.2 inches with a VFS plate placed under
Weight :7.5 Kg (15.4 lbs.)
Orders ship Sunday through Friday from our offices in Dubai, UAE.
In-stock products typically ship within 48 hours and should be expected to arrive in 3-4 business days. Orders outside of the UAE should be expected to arrive in 5-7 business days.
Pre-order and backorder products will state the approximate delivery timeline beside the Add To Cart button.
If you would like to place a custom order, chat with our specialists for a guided shopping experience. Once your order has been placed, a timeline will be provided depending on your order details.
- Free delivery within the UAE
- Shipping charges will be calculated upon checkout for orders outside of the UAE (Bahrain, Oman, Kuwait, Saudi Arabia & Qatar).
- Taxes and duties are calculated according to the applicable laws of the state or country an item is shipped to and are the customer's responsibility.
For additional information on shipping and our exchange & return policy visit our help center.
Installation charges are applicable and can be paid upon delivery for our clients based in Dubai.
- Installation Charges: AED 450 Per Hour
- Speaker Cables: AED 32 Per Meter
- Trunking: AED 10 Per Meter
For clients based outside of the UAE, please contact our specialists and we will share an estimate based on your requirements.
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