ifi Pro iDSD - User Manual

User Manual
Pro iDSD

ifi Pro iDSD Specifications

General

DAC Chip	Burr-Brown
Digital Inputs	USB, S/PDIF (Coaxial, Optical), AES/EBU
Digital Outputs	S/PDIF (coaxial, optical), AES/EBU
Analog Outputs	RCA, XLR
Supported Formats	DSD, PCM
PCM Sample Rates	44.1kHz - 768kHz
Bit Depth	16-bit - 32-bit
Headphone Output Power	>4000mW @ 16 Ohms
Output Impedance	< 0.5 Ohms (Headphone Output)

Summary

Controls and Inputs

LED Status Indicators

Input Selector Operation

Describes how to operate the input selector and adjust brightness/polarity.

Digital Filter Selection

Direct - Bit-Perfect Mode

Processes PCM and DSD signals without any digital processing.

PCM Upsampling and Filters

Upsamples PCM to 16x PCM with selectable digital filters.

DSD Remastering and Isolation

DSD Remastering Process

Converts incoming DSD audio to DSD512 or DSD1024 using selected filters.

Full Galvanic Isolation

Output Section Mode

Analogue Stage Switching

Describes switching between Solid-State, Tube, and Tube+ analogue output modes.

Headphone Outputs and Volume

Headphone Gain Adjustment

Digital Inputs - Part 1

Digital Inputs - Part 2 and Clock

Clock Synchronization Modes

Explains various clock synchronization modes like Atomic, DARS, 10MHz.

Clock Sync and Power Supply

Clock Sync Mode Details

Provides detailed explanations for clock sync modes.

Power Supply Connection

Details the DC power supply connection requirements.

Technical Details - Buffering and Isolation

Zero Jitter Memory Buffer

Studio Grade DSD1024 Remastering

Details the FPGA-based DSD remastering process.

Design Notes - Analogue Stage

Passive Filtering and Analogue Stage

Details passive filtering and the discrete, selectable analogue stage.