ADC ADDC1 Specifications

ADC1 Instruction Manual Page 26

Specifications

Analog Audio Inputs

Number of Inputs (balanced) 2

Connector Gold-Pin Neutrik™ female XLR

Impedance 200 kΩ

Sensitivity -14dBu to +29 dBu (at 0 dBFS)

Clock Reference Input

Format Auto-detect AES/EBU, Word Clock,

and Super Clock (256x)

Impedance 75 Ω

Sensitivity 150 mV AES

200 mV Word Clock

750 mV Super Clock

Transformer Coupled Yes

DC Blocking Capacitors Yes

Transient and Over-Voltage Protection Yes

Jitter Attenuation Method Benchmark UltraLock™

Worldclock Reference Output

Impedance 75 Ω

Level 5 Vpp

2.5 Vpp into 75 Ω

Transformer Coupled No

DC Blocking Capacitors No

Transient and Over-Voltage Protection Yes

Contents

Main Benchmark ADC1 Instruction Manual 2-Channel 24-bit 192-kHz Audio Analog-to-Digital Converter Federal Communications Commission (FCC) Notice (U.S. Only) Safety Information Contents Overview Page Features Connections Balanced Analog Line Inputs To adapt to unbalanced sources Clock Reference Input Digital Outputs Main Outputs Aux Output AES/EBU XLR Output Optical Output SPDIF/AES BNC Main and Aux Outputs Main BNC Output Aux Output Word Clock Reference Output AC Power Entry Connector Fuse Holder Operation Mode Switch and Display To program the conversion mode Programming the Outputs Locking to an External Clock Source Selecting a Fixed Frequency Using the Internal Clock Source To select a fixed sample frequency on the Main Outputs Reading Sample Rates off of the Mode Display Programming the Aux Output To program the Aux Output ADAT or AES/EBU on the Optical Output To select between ADAT or AES/EBU on the Optical Output Resetting the ADC1 to Factory Default Settings Adjusting Input Gain First Stage Gain To select the first stage gain Second Stage Gain Controls To use the Gain Control Knob to adjust second stage gain Rack Mounting Using ADAT S/MUX Proper S/MUX Identification is a Must S/MUX Must be Decoded Before Digital Processing Sample Rate is the Key that Controls S/MUX S/MUX should not be used for Sample Rate Conversion UltraLock What is It? How does conversion clock jitter degrade converter performance? Put UltraLock converters to the test Is it possible to eliminate all of the effects of jitter in an entire digital audio system? What UltraLock converters cannot do Performance Frequency Response Page Page Page Page Page Specifications Analog Audio Inputs Clock Reference Input Worldclock Reference Output Digital Audio Outputs Audio Performance Group Delay (Latency) LED Status Indicators AC Power Requirements Dimensions Weight Page Warranty Information Benchmark 1 Year Warranty The Benchmark 1 Year Warranty Benchmark Extended Warranty The Benchmark Extended 5* Year Warranty Notes on Warranty Repairs