ADC ADDC1 Group Delay (Latency) , LED Status Indicators

ADC1 Instruction Manual Page 29

Jitter Tolerance (With no Measurable Change in

Performance)

>12.75 UI sine, 100 Hz to 10 kHz

> 3.5 UI sine at 20 kHz

> 1.2 UI sine at 40 kHz

> 0.4 UI sine at 80 kHz

> 0.29 UI sine at 90 kHz

> 0.25 UI sine above 160 kHz

Maximum Amplitude of Jitter Induced Sidebands < -134 dB (measurement limit) (10

kHz 0 dBFS test tone, 12.75 UI

sinusoidal jitter at 1 kHz)

Maximum Amplitude of Spurious Tones with 0 dBFS test

signal

-130 dBFS

Maximum Amplitude of Idle Tones -145 dBFS

Maximum Amplitude of AC line related Hum & Noise -130 dBFS

Interchannel Differential Phase (Stereo Pair) +/- 0.5 degrees at 20 kHz

Interchannel Differential Phase (Between ADC1 Units) +/- 0.5 degrees at 20 kHz

Maximum Lock Time after Fs change < 1 s for frequency lock

< 5 s for phase lock

Mute on Sample Rate Change Yes

Mute on Loss of External Clock No

Mute on Lock Error No

Mute on Receive Error No

Soft Mute Ramp Up/Down Time 10 ms

Group Delay (Latency)

Delay (Analog Input to Digital Output) 1.20 ms at 44.1 kHz

1.09 ms at 48 kHz

0.75 ms at 88.2 kHz

0.67 ms at 96 kHz

0.63 ms at 176.4 kHz

0.59 ms at 192 kHz

LED Status Indicators

LED Location Front Panel

Mode Indicators 9 green

Meter 14 green, 2 yellow, 2 red

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