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The Optologic R2R conversion system
Aqua believes that the more musical D/A conversion system is based on the circuit usually identified as "resistor ladder".
This technology has been substituted in the mass-market by the so-called sigma-delta converters.
The sigma-delta converter is a near-completely digital circuit and for this reason it can be can be integrated on silicon and produced at low-cost.
A quality resistor ladder DAC instead uses a circuit based on a set of high precision discrete resistors: at least 2 resistor banks, one for each stereo channel.
The Formula DAC is the first in the aqua’s production to show a proprietary D/A conversion system, that we name Optologic.
The signals sent to the resistor ladders are generated by a proprietary digital circuit, implemented inside an FPGA (Field Programmable Gate Array).
Formula has a sign-magnitude converter structure, and this requires not two but four 24 bit resistors banks, each one made of very low tolerance discrete resistors.
In order to separate the digital section from the sensitive analog circuits, galvanic and magnetic isolations are implemented between the FPGA and the four branches of the R2R ladder converter.
This creates complete isolation of all digital circuitry - including the clock - from the analogue section, for a clean, noiseless ground plane. It also plays the main role in the differential management of the R2R ladders, achieving perfect symmetry between the counter-phase halves. The result is the highest tonal contrast and naturalness.
Pure 1x native sample rate DAC
The Formula, like the other aqua models, is a digital filter-less DAC.
Our conviction is that in spite of the instrumental measurements showed by upsampling / oversampling DACs, they rarely are able to produce the same emotional and realistic results.
A third important aspect in the aqua production is the modularity of the various electronic circuits.
aqua equipment are not short life products: as modular, they are open to future improvements and to follow the evolution of the technology.
Formula is made of a set of circuits every one developed on a separate printed circuit board easily interchangeable.
As an example, each of the four resistors banks of the converter is separate and mounted on connectors.
State of the art digital and analog electronics
As explained before, the Formula DAC uses no digital filter or any other compensation, relying instead on maniacal attention to each sub-circuit.
The separate analog and digital power supplies are executed purely by extensive use of discrete BJT, Mosfet, J-Fet and ultra-fast diodes.
Passive parts were selected not just for the best sonic result but also for their top quality, longevity and reliability. With the exception of six superior electrolytic capacitors, all other caps are Tantalum, solid-polymer OS-CON and double-metalized MKP.
The signal path itself is direct-coupled and completely capacitor-free.
The two output stages (one single-ended, one transformer-coupled balanced) use discrete BJT and J-Fet with metal-film resistors. All the electronics parts show an ultra-low RF noise.
An advanced ARM microcontroller manages the user interface on the front panel, the IR remote command and the communication port (serial, RS232 standard).
The xHD update
This update has required significant optimization of code for the main FPGA of R2R ladder DAC which has improved sound quality.
The new hybrid USB XMOS xCore 200 (dual core) + FPGA circuitry enables the high-resolution file playback up to 768kHz PCM and native DSD512
• Proprietary hybrid 2-stage XMOS xCore XE216 + FPGA
• Fully-floating (isolated) USB decoding and clock generation by FPGA with proprietary code
• High quality, long life, low noise parts and modular design that distinguish aqua – acoustic quality equipment
• Sample rate in “Bit Perfect” up to 768 kHz PCM and DSD512
• Latest version of customized XMOS X Core Driver on Windows OS (W7, W10)
• Native X Core Audio on Mac OS (Bit Perfect)
• USB Audio 2.0 operation on Linux (Bit Perfect)
The new best value we have ever seen or heard versatile Marantz AV8805 pre-amplifier redefines audiophile home cinema and music listening with an unprecedented 13.2 channel processing capability, and supports virtually any high-resolution multichannel audio format. Immerse yourself in three-dimensional audio with the latest surround formats like IMAX Enhanced® and experience the next chapter of home entertainment.
Thanks to HEOS Built-in, enjoy effortless voice control and total flexibility from the leading voice agents. Speak commands with Amazon Alexa, Google Assistant, Apple Siri and smart home automation, Josh.ai.
The AV8805 pre-amplifier offer extended support for easy custom install integration. Features “ihiji Invision” remote system management technology, “Domotz Pro” remote monitoring and management technology with dedicated web interface to control and set up your AV receiver from a computer on the same network. Installers can easily monitor the status of connected products and troubleshoot remotely from a separate location or on-the-go.
The Bryston BDA-3 is a world class DAC (digital to analog converter) that is packed with the perfect mix of features making it an essential part of your digital audio chain. Use diverse audio sources such as Bryston's BDP digital music players, computers, music servers, and CD players to get the most accurate and superb sounding digital playback currently available. The BDA-3 is a magnificent DAC best suited for systems where high performance is desired.
The BDA-3 delivers superb sonic performance through re-sampling and re-clocking of the digital input signal. With the exception of user-selectable up-sampling, the BDA-3 doesn't convert anything to another format or re-sample at a non-native rate. The most notable difference between the BDA-2 and BDA-3, in addition to PCM playback capable of 384kHz/32 bit resolution, is that the BDA-3 is fully DSD enabled. The BDA-3 can decode up to DSD-256, through asynchronous USB inputs, and accepts SACD input via HDMI. The BDA-3 incorporates 10 separate inputs which include four 2-channel HDMI, asynchronous USB, AES/EBU, TOSLINK, and digital coax. Additionally, the network module which facilitates control via TCP/IP and RS-232 makes the BDA-3 a must for modern home automation.
Inputs: 4x HDMI, 2x USB 2.0 Type B, 2x S/PDIF (1x BNC, 1x RCA), 1x Optical (TOSLINK), 1x AES/EBU
Outputs: HDMI, RCA, XLR
Control: TCP/IP, IR, DC, RS-232
•Dual 32Bit AKM DAC IC's
•Discrete Class A analog output stage
•Independent analog and digital signal paths
•Independent power supplies
•Massive support for different PCM and DSD resolutions
•HDMI video pass-through with audio out (4K video pass-through)
•Available with silver or black faceplate
•17” or 19” faceplate available
•Rack mountable option available (2U)
•BR2 remote control available (see Accessories in Other Products
Nucleus is the center of your Roon music system. It’s the housekeeper, the traffic cop, and the brain that takes care of the music in your life. Using Nucleus, Roon manages all your music – on hard drives, NAS, and streaming content – and allows you to play it on all the audio devices around your home. Nucleus is the best way to run Roon, at any price.
Just plug Nucleus into your network, connect your hard drives, download Roon remote apps (iOS, Android, macOS, Windows) and you’ll be ready to play music using a wide variety of audio devices, including AirPlay, Sonos, Roon Ready, Devialet, KEF, Meridian, Squeezebox, and a huge variety of USB DACs.
Aside from being a powerful, fanless music server, what sets Nucleus apart is that it’s powered by Roon OS – a fast and lightweight operating system optimized to do just one thing: browse and play music. Roon is a multi-room, multi-user networked audio platform built to the exacting standards of audiophiles, so it offers features like bit-perfect playback, DSD and PCM upsampling, multichannel playback, and signal path display.
INTRODUCING AN AFFORDABLE SOLUTION TO MAINTAINING AND RESTORING YOUR VINYL COLLECTION:
No matter how you store and use your records they inevitably will require maintenance. When playing records, dust particles and contaminants always build up on the stylus as the tone arm moves across the record. This accumulation on the needle also "dulls" the sound.
The emergence of the dreaded "audible pops" and "crackle sounds" heard are caused by dirt, grime and particles lodged in the record grooves themselves being hit by the needle, as well as static discharges, all amplified by the cartridge. All are annoying.
Even new and latest pressings are subject to the same conditions as your old collection. Their release agents are found on the record from the pressing process and must be removed prior to use, otherwise they attract at an alarming rate dust and other airborne contaminants.
Therefore, recommended is the continual maintenance and care of your records by way of regular cleanings which in turn reduces these unwanted pops and augments therefore one's listening pleasure and audition. Cleaning WILL NOT remove unwanted sounds caused by scratches on the record surface and depending on the age and condition of the record, even repeated cleanings may or may not restore the record to like new condition, but reduces the overall undesirable effect previously described.
EVERY ONE'S AN EXPERT! There is much nonsense published regarding the cleaning of records. Soaps, chemical mixes and brews, and especially the use of large portions of alcohol etc., these all affect the record negatively either during or after cleaning. Air drying of chemicals that are not physically removed further creates issues that are cumulative over time. Indeed, to the rescue, ultrasonic cleaners have been around for decades and its use and attributes are well known and while care must also be taken as to the introduction of chemicals in the ultrasonic bath, this cleaning technology is a very valuable tool to use. We differ in how we handle the record itself. Nonsense though, are some of the extravagant prices on cleaning machines available as all ultrasonics operate the same way. >>Many add 2.5 L of alcohol to 6 L of water, dangerous!<<<
The KirmussAudio Model KA-RC-1 revolutionizes the way we clean records. First and foremost: a Patented record suspension system assures where records of any speed and size see their grooves cleaned safely. No damage to the record by mechanical intrusion of skewers and the like.
Secondly, only distiulled water with a maximum of 45 mL ( 1.5 oz) of ISA 71% solution constitutes the bath and where applied to the record in its second cycle is an anti-bacterial surfactant, pre and post wash neutral liquid agent is used. Ultrasonics need a surfactant to aid in the cavitation of the water solution to better clean and remove contaminants.
Third: affordability. For the price of $795.00, everyone can enjoy their collection, restore and maintain it.
Warranty: 2 years parts and labor. Please fill out and mail in the warranty card that comes with your product.
There is no filter in the bath or water exchange. When the water becomes dirty, simply drain it and replace it with fresh distilled water. Drainage valve and hose included.
Timer range: 1 min to 15 min +-
Both sides of the record are cleaned at the same time.
Cleaning time takes 5 min.
Tank material: Stainless steel SUS304
Tank Capacity: 2.0 US Gallons
You can clean at one time: 2 LP's, one 78 and one 45.
20 to 25 Records can be cleaned with one tank of water. Drainage hose is provided for fast and easy drainage.
There is no dryer, you hand dry. Lint free blotting towels are included! IDEA: Get a dish drying rack or something similar to put your cleaned records in. You can let them dry naturally or blow a fan across them while they are in the rack.
The Ultrasonic frequency is 35 khz
Outside size (without records inserted): Width 21.5" by High 10.75" by Deep 11.5"
WHAT COMES WITH IT?
Everything you need comes with the cleaning machine, nothing else to buy; drainage hose, cleaning brushes, blotting towels, all chemicals, etc. The first photo shows some of these accessories. It is plug and play ready!
THE TEAM: After 3 years of extensive research and trials audiophile and business owner Charles Kirmuss and recognized turntable restoration expert Dr. Eric Watson developed an affordable, simple to use system. With cUl and UL/CE Electrical and Safety Approvals our affordable system will increase your listening pleasure by removing most of those annoying unwanted pops and crackling sounds from both new and old records. This is not some home-made product. With Patents both issued and pending, ware also sure that You will be very pleased with the results and benefit from many years of satisfaction with our revolutionary ultrasonic based cleaner.
PRICEBELIEVE IT OR NOT: $795.00
The Halo JC 5 is Parasound's new, ultra-high performance, 400 watt per channel, Class A/AB, stereo power amplifier. We are very proud of this latest achievement of Parasound engineering in concert with legendary audio designer John Curl.
Our reason for developing the JC 5
Our John Curl-designed Halo JC 1 mono block is acknowledged as the benchmark for amplifier performance and value. Stereophile awarded it 2003 Amplifier of the Year and has honored it as a Class A Recommended Component for fifteen years - far longer than any other audio product.
For years, Parasound customers and dealers around the world have petitioned us for an alternative amplifier: a John Curl-designed, Halo stereo power amplifier which would save them money and space. Developing a stereo amplifier in this league was a formidable challenge-the kind we relish. We challenged John Curl to distill the essence of two JC 1 mono blocks into a single chassis stereo amplifier with a more attractive price.
What we achieved
Our Halo JC 5 stereo amplifier is profoundly powerful.and supremely musical. John Curl's signature appears discreetly on its front panel honoring his considerable role in its development. The JC 5 will delight the ears and wallets of serious audiophiles and music lovers alike. With exquisite performance and compelling value, the JC 5 is the new amplifier benchmark.
Specifications and Features
Galileo UEF Digital interconnects were the last cables engineered in the Galileo UEF series and encompass all Galileo technologies adapted and voiced especially for digital transmission. Because digital cables are unique in their transmission of an analog signal that is ‘interpreted’ as digital on the receiving end, it took longer to optimize their performance across a wide variety of digital formats before they could be perfected.
Developed and voiced over an 18 month period, Galileo UEF Digital cables enable state-of-the-art digital systems to recreate the full scale and holography of the recorded event with breathtaking realism to surpass the world’s best analog playback systems. Handcrafted Galileo UEF Type 1 Inductive Cell encased in Carbon Fiber to filter digital noise outside-the-signal path through an inductive process that includes Graphene and UEF Tech. Galileo Tuning Modules are provided to voice your Digital Cables to your system. Choose between the Silver and Gold Galileo Tuning Modules that allow you to create a fine-tuned balance that perfectly matches your system and personal tastes. Finally drop your system’s noise floor clear out of site when you optionally ground Galileo UEF Digital interconnects to a Synergistic Research Ground Block, or with the included cable to Ground connectors. Available in AES/EBU and SPDIF, each engineered to their exact application for a digital cable that is highly evolved, absolutely neutral, musical, and holographic.
AES/EBU is built from 9 separate geometries running in parallel consisting of (1) Galileo Digital Silver Matrix geometry, (2) UEF digital Silver Matrix geometries, (2) Handmade Pure Silver AirString geometries, (2) Handmade Pure Tungsten AirString geometries, (2) Handmade Pure Copper AirString geometries. All 9 geometries are individually sheathed to cancel resonance and improve flexibility.
SPDIF is built from 5 separate geometries running in parallel consisting of (1) Galileo Digital Silver Matrix geometry, (1) UEF digital Silver Matrix geometry, (1) Handmade Pure Silver AirString geometry, (1) Handmade Pure Tungsten AirString geometry, (1) Handmade Pure Copper AirString geometry . Each of the 5 geometries are individually sheathed to cancel resonance and improve flexibility.
US $2,995/1m each - SPDIF (RCA)
US $3,495/1m each - AES/EBU (XLR)
Bryston's new BDP-3 replaces the BDP-2 as our flagship high resolution digital player. Lets see what's changed:
Hot Tip: Today David Shreve our mobil Analog expert & David Weinhart did a cartridge shoot out and were floored by the liquid natural sound and this needs to be on any serious Analog listeners short list ! HIGHLY RECOMMENDED !
The van den Hul Crimson XGW Stradivarius is a top performance custom hand-built moving coil phono cartridge. A crossbreed of van den Hul's Canary and Condor cartridges, the Stradivarius is the latest creation from A.J. van den Hul.
"The Crimson XGW Stradivarius is the best balanced cartridge ever built by van den Hul!" - A.J. van den Hul
The van den Hul Crimson XGW Stradivarius MC Phono Cartridge features a Koa Wood Body treated with 400 year old formula Stradivarius lacquer that gives it a rigid, hard shell that results in superior sonics and an amazing sound! The Stradivarius also features a relatively high (0.9mV) output, 24 karat gold coils, a Samarium-Cobalt magnet, extended channel separation and superb tracking ability!
• 24K Gold Coils
• Proprietary van den Hul 1s Stylus
• Boron Cantilever
• Koa Wood Body treated with 400 year old formula Stradivarius lacquer
Stylus Shape: VDH 1S
Stylus Radii: 2 x 85 Micron
Frequency Range: 5-55,000 Hz
Tracking Force: 1.35-1.5 Grams
Anti-Skating Force: 0.4-0.6 Grams
Static Compliance: 35 Micron/mN
Tracking Ability: 70-80 Micron
Channel Unbalance: Less Than 0.3dB
Channel Separation: Greater Than 36/30dB
Stylus Tip Mass: 0.32 Milligram
System Weight: 8.75 Grams
Load Capacitance: Non Critical
Load Impedance: 25 Omhs-47 kOhms
Optimum Load Impedance: 25-250 Ohms
Effective Tonearm Mass: 10-16 Grams
MC Resistance: 13 Ohms
The REL no. 25 commemorates REL’s 1/4 century building the finest sub bass systems in the world. The new all out assault the No. 25 has the looks, sound & easily surpasses every other sub woofer we have heard by LARGE margins.
The No. 25 produces low frequency with improved accurately that delivers a degree of pitch definition we only dreamed possible and the best interface and remote we have ever experienced.
No. 25 combines the power of an ultra-reliable 1,000 watt amplifier, with a lightweight and perfectly balanced carbon fibre 15” driver. All this is controlled by our legendary filter sets and proprietary crossovers with 2 separate parametric equalizers permitting remarkably flat in-room response, while maintaining the speed and resolution for which modern RELs have become known.
REL wants their customers to enjoy all this performance without being limited to only a few room locations, so they built-in their legendary LongBow™ wireless receivers into every No. 25. This design utilizes zero compression, resulting in stunning dynamics and bass extension without being tethered to a cable, while delivering sound quality comparable to their competitor’s hardwired designs. It’s just another example of how REL strives to offer complete and thoughtful solutions.
Playback Designs Digital Analog Converter Integrated DAC / Headphone Amp
The Merlot is a new design from ground up and borrows elements from the existing 5- and 3-series product lines and combines them with new technologies in a novel and cost effective package. Like all Playback Designs products, the Merlot was designed from the inside out to maximize sonic performance which is competitive with many much higher priced converters and often even outperforms them.
With its many unique features it is the center piece of the entire Sonoma series. It ties all the various products together, the Syrah Music server, the OpBox disc player and the Pinot ADC. There is no audio format, no sample rate that cannot be played on the Sonoma series, even analog audio can be played. And then there is recording...a feature that is not commonly associated with playback. This system gives the Swiss Army Knife a new meaning.
• Up to 384kHz PCM and up to 11.2MHz DSD
• USB, AES, Coax, PLink inputs
• Headphone output with separate volume control
• Balanced and unbalanced line level outputs
• Differential discrete DAC (standard “Playback Designs” architecture)
• Software upgradeable by end user
• Recording software for file creation on computer
• Weinhart Design considering 2016’s digital product of the year award !
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