Iris 12th DDC + Ares 12th-1 R2R DAC review

Iris 12th DDC + Ares 12th-1 R2R DAC review

 

Connection:

  • Roon-RPI4/Ropiee->USB->Iris DDC->I2S-> Ares DAC->XLR->Macintosh C2700 tube preamp->XLR->Buchardt A700

 

 

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Review: DENAFRIPS IRIS DDC (Digital-to-Digital Converter)

Inside view of IRIS DDC
Front view of IRIS DDC
 
Rear panel of the IRIS DDC
 
Inside view of the DDC with descriptions
 
 

Specifications

Description – Parameters:
AC Power: 110VAC or 240VAC
Power Consumption: < 20W
Digital Input: USB
External Clock Input: 45.1584MHz or 49.152Mhz
Digital Output: Coax SPDIF via RCA,TOSLink x 1,AES/EBU x 1
I²S HDMI LVDS Standard, I²S RJ45 LVCMOS Standard
Supported Format (DSD): DSD64 All Input
DSD64 – DSD512 USB & I²S Only
Supported Format (PCM): 24bit/44.1, 48, 88.2, 96, 176.4, 192 kHz All Input
44.1 – 768 kHz USB & I²S Only
Dimensions: 8.6” H x 9.8” D x 1.75” H
Weight 7.7lb

Associated Equipment

ANALOG SOURCE: 
AMG Viella 12JT Turbo turntable /tonearm & VIV Labs Rigid Float Tonearm
Benz Micro LP-S MR cartridge & DS Audio Master One cartridge,
HANA ML Mono MC Cartridge, Denon 103R                                          
PHONOSTAGE:  
DS Audio Master 1 phono EQ, PS Audio Stellar Phono, Parasound JC3+
DIGITAL SOURCES: 
Aurender S-10 server/streamer
McCormack DAC-1 Platinum, McCormack SST-1 transport, Modified McCormack Signature CD Player
OPEN REEL: 
Studer A 810 with Flux Magnetic Heads optically aligned by JFR Magnetics and direct-wired into a King/Cello tape preamp
LINE STAGE: 
The Truth v.3 (passive)
Luminous Audio Axiom II Walker Mod (passive)
Vinnie Rossi L2SE 
POWER AMPLIFIERS: 
Pass Labs SIT 3
SMC Audio DNA-1 Platinum
PS Audio M1200 monoblocks
SPEAKERS: 
Acoustic Zen Crescendo II
Pure Audio Project Treo 15 Classic
CABLES: 
Acoustic Zen
Audience
Triode Wire Labs
ASI Liveline
Analysis Plus 
A/C POWER: 
Dedicated 20 amp lines
Audioquest Niagara 5000
P.I. Audio UberBUSS
Outlets from Audience, Jena Labs, P.I. Audio.
ACCESSORIES:  
SMc Audio UFO Isolation Base,
Stillpoints Ultras, Apertures & LPI
VPI Bricks
Cardas Myrtle Blocks
DS Audio ION-001

 
 
 
 
 
 
 
 
 
 
 
And
 

Denafrips Ares 12th - An Up & Down R2R Experience - Honest Audiophile Impressions

 
 
 
 
 
 
 

Specifications (unable to locate original Ares 12th information):

 

ARES 12TH-1 Anniversary Edition

  • I²S Input

  • True NOS R-2R DAC

  • Enhanced Power Supply, UPOCC Copper

  • Anodised Aluminium Chassis Silver/Black

  • Upgraded 12th Anniv. Firmware v1.8

 

Technical Highlights

  • Proprietary R2R + DSD Architecture

  • True balanced 24BIT R2R + 6BIT DSD (32 steps FIR Filters)

  • Low Thermal Effect, High Precision Hand-Matched 0.01% Resistors      

  • FEMTO Crystal 45.1548MHz, 49.152Mhz     

  • Low Noise Power Supply

  • FIFO Buffer

  • Digital Signal Processing via FPGA

  • DSD1024, PCM1536 Supports On USB Input

  • Proprietary USB Audio Solution via STM32F446 Advanced AMR Based MCU

  • Licensed Thesycon USB Driver For Windows Platform

  • Driverless On Mac & Linux

           

DSD  

  • DSD64-DoP On All Input

  • DSD1024* On USB Input Only

PCM  

  • 24bits / 44.1, 48, 88.2, 96, 176.4, 192KHz On All Input

  • 1536kHz* On USB Input 

 

Sampling Mode: Oversampling OS / Non-Oversampling NOS

           

Digital Input  

  • Coax x 1

  • TOSLink x 1

  • I2S x 1

  • USB2.0 Type B

           

Analog Output          

  • RCA at 2.0Vrms, 625 Ω

  • XLR at 4.0Vrms, 1250 Ω

                      

Frequency Response: 20-70KHz -3dB

THD+N: 0.004%

S/N Ratio: 115dB

Dynamic Range: >119dB

Stereo Crosstalk: -124dB

 

AC Power Requirement: 100-240VAC, 50/60Hz (Worldwide Voltage, Manual Selector)

Fuse: T2A/250VAC. 5x20mm 2A Slow Blow

Power Consumption: ≤20W

Dimension: 215W x 230D x 45H mm (Feet +18mm)

Package Dim: 375 x 330 x 115 mm

Package Content: DAC & Power Cord. No remote control.

Weight: 3.5 Kg           

Color: Black / Silver