USB
Accessories
Rack Mount Coupler
Joins 2 1RU high, 1/2RU wide units such as the DAC1 , ADC1 , & PRE1
$50.00
Blank RM Panel
Rackmount panel for 1RU high, 1/2RU wide space $30.00
RM Kit
RM Coupler & Blank RM Panel for mounting a 1/2RU wide unit in 1RU wide space
BNC-to-RCA Cable, 0.5m
1/2 meter Coaxial male to RCA male digital audio cable $20.00
BNC-to-RCA Cable, 1m
1 meter coaxial BNC male to RCA male digital audio cable $20.00
BNC Female -to- XLR Male Adaptor
Converts coaxial BNC female to XLR male $30.00
BNC Male -to- RCA Female Adapter
Converts a coaxial BNC male to RCA female $5.00
ADC1 USB - Accessories
Analog Audio Inputs
| Number of Inputs (balanced) | 2 |
| Connector | Gold-Pin Neutrik™ female XLR |
| Impedance | 200 k O |
| Sensitivity | -14dBu to +29 dBu (at 0 dBFS) |
Clock Reference Input
| Format | Auto-detect AES/EBU, Word Clock, and Super Clock (256x) |
| Impedance | 75 O |
| 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 |
Wordclock Reference Output
| Impedance | 75 O |
| Level |
5 Vpp
2.5 Vpp into 75 O |
| Transformer Coupled | No |
| DC Blocking Capacitors | No |
| Transient and Over-Voltage Protection | Yes |
Digital Audio Outputs
| Number of Digital Outputs |
1 XLR Main
1 TOSLINK Main 1 BNC Main 1 BNC Aux 1 USB |
| Connectors | Gold-Pin Neutrik™ male XLR |
| Number of Audio Channels | 2 |
| Main Output Word Length | 24 bits |
| Main Output Sample Frequencies | 44.1, 48, 88.2, 176.4, or 192 kHz |
| Aux Output Word Length | 16 or 24 bits |
| Impedance |
110 O XLR
75 O BNC |
| Level |
4 Vpp into 100 O XLR
1 Vpp into 75 O BNC |
| Transformer Coupled | Yes |
| DC Blocking Capacitors | Yes |
| Transient and Over-Voltage Protection | Yes |
Audio Performance
Fs = 44.1 to 192 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu (unless noted)
| SNR - A-Weighted, 0 dBFS = +8 to +29 dBu | 121 dB |
| SNR - Unweighted, 0 dBFS = +8 to +29 dBu | 119 dB |
| SNR - A-Weighted at max gain, 0 dBFS = -14 dBu | 108 dB |
| THD+N, 1 kHz at -1 dBFS | -102 dBFS, -101 dB, 0.00089% |
| THD+N, 1 kHz at -3 dBFS | -107 dBFS, -104 dB, 0.00063% |
| THD+N, 20 to 20 kHz test tone at -3 dBFS | -106 dBFS, -103 dB, 0.00071% |
| Frequency Response at 192 kHz Sample Rate |
-3 dB, +0 dB, 2 Hz to 92 kHz
+/- 0.01 dB, 20 Hz to 20 kHz -0.06 dB at 10 Hz -0.01 dB at 20 Hz -0.00 dB at 20 kHz -0.18 dB at 88 kHz -3 dB at 92 kHz -100 dB at 108 kHz |
| Frequency Response at 96 kHz Sample Rate |
-3 dB, +0 dB, 1 Hz to 46 kHz
+/- 0.01 dB, 20 Hz to 20 kHz -0.06 dB at 10 Hz -0.01 dB at 20 Hz -0.00 dB at 20 kHz -0.10 dB at 44 kHz -3 dB at 46 kHz -108 dB at 54 kHz |
| Frequency Response at 48 kHz Sample Rate |
3 dB, +0 dB, 1 Hz to 23 kHz
+/- 0.01 dB, 20 Hz to 20 kHz -0.06 dB at 10 Hz -0.01 dB at 20 Hz -0.00 dB at 20 kHz -0.10 dB at 22 kHz -3 dB at 23 kHz -110 dB at 27 kHz |
| Passband Ripple | +/- 0.008 dB |
| Crosstalk |
-105 dB at 20 kHz
-130 dB at 1 kHz -130 dB at 1 kHz -200 dB at 20 Hz |
|
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 with
10 kHz 0 dBFS test tone 12.75 UI sinusoidal jitter at 1 kHz (measurement limit) |
| 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 |
AC Power Requirements
| 14 green, 2 yellow, 2 red |
110 V setting - 95 V min 140 V max
220 V setting - 190 V min, 285 V max |
| Frequency | 50-60 Hz |
| Power |
16 Watts Idle
16 Watts Typical Program 20 Watts Maximum |
| Fuses |
5 x 20 mm (2 required)
110 V setting - 0.5 A 250 V Slo-Blo® Type 220 V setting - 0.5 A 250 V Slo-Blo® Type |
Dimentions
| Form Factor | 1/2 Rack Wide, 1 RU High |
| Depth behind front panel | 8.5" (216 mm) |
|
Overall depth including connectors without power cord or BNC-to-RCA adapter |
9.33" (237 mm) |
| Width | 9.5" (249 mm) |
| Height | 1.725" (44.5 mm) |
Weight
| ADC1 only | 3.6 lb. |
| ADC1 with power cord, 3 BNC-to-RCA adapters, extra fuses, and manual | 4.9 lb. |
| Rack mount kit (blank panel, junction block, and rack-mount screws) | 0.32 lb. |
| Shipping weight | 7 lb. |
ADC1 USB - Specifications
