Publisher Profile

Located:
San Jose, CA

David Snyder

Reviewer

David Snyder bio David has been fascinated by sound reproduction since the 1970's when he used the family tape recorder to record rain, ocean waves, and even vinyl from his childhood turntable. His interest in audio jumped into a higher orbit after a friend's father, who would later become an audio mentor, played a few albums for him on his Bart Locanthi designed Pioneer HPM-100 loudspeakers. David is passionate about sharing what he has learned and mentoring others who are new to the hobby. He serves on the executive board of the San Francisco Audio Society and is also a remote member of the Audio/Video Club of Atlanta. David's system has two parts: a "front-end" and "back-end". The back-end is located two floors below the listening room. It consists of a Synology NAS which stores FLAC and DSD files and a little HP Stream mini PC that runs Roon Server. Roon manages the library, connects to TIDAL, and does added processing, like convolution for digital room correction, depending on the needs of each zone. New physical media is ripped to the NAS using the PC and a USB attached external optical drive. Ripping software includes dBpoweramp and DVD Audio Extractor. The "front-end" is a little Raspberry Pi 3 Model B small board computer that's running DietPi and Roon Bridge. It acts as a network audio adapter (NAA) and is the Roon output for this zone. It has wired Ethernet in (Audioquest Forest patch cable) and USB out (XLO UltraPLUS UP4U USB cable). It is powered by an iFi micro iUSB3.0 which also regenerates the USB signal before routing it via an iFi Gemini split power/data USB cable to an iFi micro iDAC2 on the top shelf. The analog outputs of the iDAC2 run to an Emotiva XSP-1 analog preamp via Straight Wire Virtuoso R2 interconnects. Balanced Virtuoso R2's carry the signal from the preamp (which is used for remote volume control) to a pair of Wyred 4 Sound mAMP monoblock power amplifiers. Finally, Straight Wire Expressivo Grande II speaker cables carry the amplified signal to a pair of Legacy Audio FOCUS SE loudspeakers. Apart from convenience, one huge advantage of going all digital for David has been the ease with which he can apply digital room correction. Since everything is digital already, there's no need to run sources through an ADC...there's only one source: the Raspberry Pi transport + iFi DAC! Another advantage is that the system is super quiet. There are no fans, noisy power supplies, motors, vibrations, or spinning media of any kind in the listening room. The extra few dB of dynamic range really helps music to come alive. According to David, "I realize that I'm missing out on a lot of great masters by not having a turntable in this system. Perhaps I'll buy one someday and start a small vinyl collection. If I do, my preference will be to create pristine archival digital recordings of just what's in the grooves (no RIAA equalization). I'll then play the recordings with RIAA equalization applied in the digital domain. This probably sounds like a horrible idea to some folks, but in my view, this approach provides access to great masters that are only available on vinyl format while maintaining the convenience and flexibility of digital. Plus, the records won't wear out."

System
						Analog Front End

						Digital Front End
Synology DS1513+ Network Attached Storage HP Stream mini Roon Server PC dBpoweramp CD Ripper dvdae DVD Audio Extractor Roon Labs Streaming software Netgear ProSAFE GS108T Network Switch Audioquest Forest Ethernet Cable Raspberry Pi 3 Model B Streamer Paracable Matrix Micro USB Power Cable XLO UltraPLUS UP4U USB audio cable iFi micro iUSB3.0 USB Purifier iFi Gemini dual-headed USB Cable iFi micro iDAC2 DAC
						Amplification
Emotiva XSP-1 analog preamplifier Wyred 4 Sound mAMP power amplifiers
						Cabling
Straight Wire Virtuoso R2 RCA interconnects, 1m pair Straight Wire Virtuoso R2 XLR, 2m pair Straight Wire Gray Lightning power cables
						Speakers
Legacy Focus SE with AirMotion tweeters
						Headphones

						Home Theater

						Accessories
Acme Audio Labs 20A silver plated, cryogenically treated electrical outlets Cable Elevator cable lifts Plataeu SE-A4 sand-filled Component Rack
						Room Treatment
ATC Acoustics seven 2x4 panels, four bass traps AudioVero Acourate Digital Room Correction
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