ADC ADDC1 instruction manual Specifications, Analog Audio Inputs, Worldclock Reference Output

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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

ADC1 Instruction Manual

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Contents Benchmark ADC1 Channel 24-bit 192-kHz Audio Analog-to-Digital ConverterSafety Information Federal Communications Commission FCC Notice OnlyContents Overview Page Features Clock Reference Input ConnectionsBalanced Analog Line Inputs To adapt to unbalanced sourcesOptical Output Digital OutputsAES/EBU XLR Output Adat S/MUX4 Optical Output Mode Adat Optical Output ModeAdat S/MUX2 Optical Output Mode SPDIF/AES BNC Main and Aux OutputsFuse Holder AC Power Entry ConnectorWord Clock Reference Output Operation Mode Switch and DisplayTo program the conversion mode Programming the OutputsTo synchronize with an external clock source Selecting a Fixed Frequency Using the Internal Clock SourceReading Sample Rates off of the Mode Display To select a fixed sample frequency on the Main OutputsAdat or AES/EBU on the Optical Output Resetting the ADC1 to Factory Default SettingsProgramming the Aux Output Meter DisplaySecond Stage Gain Controls Adjusting Input GainFirst Stage Gain Rack Mounting Sample Rate is the Key that Controls S/MUX Using Adat S/MUXProper S/MUX Identification is a Must MUX should not be used for Sample Rate ConversionUltraLock … What is It? Problem #1 Put UltraLock converters to the testWhat UltraLock converters cannot do Performance Frequency ResponseInter-Channel Phase Response KHz LPF unweighted THD+N vs. Level, 1 KHz32K B-H FFT, Idle Channel Noise 32K B-H FFT, -3 dBFS, 1 KHz 32K B-H FFT, -3 dBFS, 10 KHz Worldclock Reference Output SpecificationsAnalog Audio Inputs Digital Audio Outputs Audio Performance Group Delay Latency LED Status IndicatorsWeight AC Power RequirementsDimensions Page Warranty Information Benchmark 1 Year WarrantyBenchmark Extended 5* Year Warranty Benchmark Extended WarrantyBenchmark Media Systems, Inc