DAC 202 301 TECHNICAL DATA

dac202_sizePower

  • · Mains voltage: 100…120 V or 200…240 V
  • · Fuse rating: 500 mA slow blow at 100…120 V, 250 mA slow blow at 200…240 V
  • · Power consumption: 15 VA max
  • · Power consumption in standby: 1 VA max.
  • Size
  • · Depth: 30 cm
  • · Width: 18,8 cm
  • · Height: 6,6 cm
  • · Height with feet: 7,2 cm
  • Size Remote
  • · Depth: 2,1 cm
  • · Width: 4,5 cm
  • · Height: 16,6 cm
  • Available Color
    Silver, Black

Digital Inputs

  • · (1) XLR connector
  • · (1) RCA connector
  • · (1) TOSLINK connector (optical)
  • · (2) Firewire connectors
  • · All inputs accept professional or consumer standard , i.e. accept AES/EBU or S/PDIF signals• Sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz or 192 kHz on any of the inputs, except TOSLINK input: 96 kHz maximum
  • · The dual wire mode can be activated for sampling frequencies of 176.4 kHz or 192 kHz exclusively
  • · Maximum input word-length: 24 Bits
  • Digital Outputs
  • · (1) XLR connector
  • · (1) RCA connector
  • · (2) Firewire connectors
  • · Professional channel status data on the XLR and RCA outputs
  • · The dual wire mode can be activated for sampling frequencies of 176.4 kHz or 192 kHz exclusively
  • Analog Outputs
  • · (2) XLR connectors (hot on pin 2), DC coupled, short circuit proof output circuitry, output impedance 44 OO
  • · (2) RCA connectors, DC coupled, short circuit proof output circuitry, output impedance 22 OO
  • The output level is selectable via the LCD menu; four settings are provided as shown below:

XLR Output:

  • · 8.15 Vrms +20.44 dBu with a 0 dBFS sine wave input
  • · 4.15 Vrms +14.57 dBu with a 0 dBFS sine wave inp
  • · 2.12 Vrms +7.74 dBu with a 0 dBFS sine wave input
  • · 1.06 Vrms +2.72 dBu with a 0 dBFS sine wave input
  • These levels are achieved with a 0.0 dB setting for the level control on the LCD screen.

Suggested subsequent amplifier input impedances:

  • · 8.15 Vrms setting: 500 OO or higher
  • · 4.15 Vrms setting: 300 OO or higher
  • · 2.12 Vrms setting: 150 OO or higher
  • · 1.06 Vrms setting: 70 OO or higher

  • RCA Output:
  • · 4.08 Vrms +14.42 dBu with a 0 dBFS sine wave input
  • · 2.08 Vrms +8.55 dBu with a 0 dBFS sine wave input
  • · 1.06 Vrms +1.72 dBu with a 0 dBFS sine wave input??
  • · 0.53 Vrms --3.30 dBu with a 0 dBFS sine wave input
  • These levels are achieved with a 0.0 dB setting for the level control on the LCD screen.

Suggested subsequent amplifier input impedances:

  • · 4.08 Vrms setting: 250 OO or higher
  • · 2.08 Vrms setting: 150 OO or higher
  • · 1.06 Vrms setting: 75 OO or higher
  • · 0.53 Vrms setting: 35 OO or higher

Synchronization

  • · Via the input signal
  • · Via the internal oscillator
  • · Via a word-clock signal (TTL level/75 OO) on the BNC input
  • · Sampling frequencies supported: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
  • · Word-clock output (TTL level/75 OO) on BNC for synchronization of other equipment
  • D/A Converter chip· Over-sampling multi-bit sigma-delta converter
  • · Two converters per audio channel
  • Measurements Main Output

The measurements below have been taken at the following conditions (unless noted otherwise): 1 kHz measurement frequency, maximum selectable output level, 192 kHz sampling frequency (Fs), 22 kHz measurement bandwidth, unweighted, 0 dBr equals the output level at 0 dBFS input.

Frequency Response:

  • · Fs = 44.1 kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB
  • · Fs = 44.1 kHz, Filter B, 0 Hz…20 kHz: within ±1.3 dB
  • · Fs = 88.2 kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB
  • · Fs = 88.2 kHz, Filter A, 0 Hz…40 kHz: within ±0.8 dB
  • · Fs = 88.2 kHz, Filter B, 0 Hz…20 kHz: within ±0.25 dB
  • · Fs = 88.2 kHz, Filter B, 0 Hz…40 kHz: within ±1.5 dB
  • · Fs = 176.4 kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB
  • · Fs = 176.4 kHz, Filter A, 0 Hz…40 kHz: within ±0.8 dB
  • · Fs = 176.4 kHz, Filter A, 0 Hz…80 kHz: within ±2.5 dB
  • · Fs = 176.4 kHz, Filter B, 0 Hz…20 kHz: within ±0.25 dB
  • · Fs = 176.4 kHz, Filter B, 0 Hz…40 kHz: within ±0.8 dB
  • · Fs = 176.4 kHz, Filter B, 0 Hz…80 kHz: within ±3.5 dB

  • Total Harmonic Distortion plus Noise (THD+N):
  • · 116 dBr (0.00016 %) at --3 dBFS input level??
  • · 125 dBr (0.000056 %) at --40 dBFS input level
  • · 125 dBr (0.000056 %) at --70 dBFS input level
  • Linearity:

At 0 dBFS to --120 dBFS input level: less than ±0.4 dB deviation from ideal

Spurious components (including harmonics):

  • · At 0 dBFS input level, maximum output level, 1 kHz, all components at less than --120 dB
  • · At 0 dBFS input level, maximum output level, 4 kHz, all components at less than --115 dB
  • Crosstalk:

Better than 120 dB, 20 Hz…20 kHz

Interchannel Phase Response:

  • · ±0.05° 20 Hz…20 kHz
  • · ±0.30° 20 Hz…80 kHz

Measurements Headphone Output

The measurements below have been taken at the following conditions (unless noted otherwise): 1 kHz measurement frequency, maximum selectable output level, 192 kHz sampling frequency (Fs), 22 kHz measurement bandwidth, unweighted, 0 dBr equals the output level at 0 dBFS input.

Frequency Response:

  • · Fs = 44.1kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB??
  • · Fs = 44.1kHz, Filter B, 0 Hz…20 kHz: within ±1.3 dB
  • · Fs = 88.2kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB??
  • · Fs = 88.2kHz, Filter A, 0 Hz…40 kHz: within ±0.8 dB??
  • · Fs = 88.2kHz, Filter B, 0 Hz…20 kHz: within ±0.25 dB??
  • · Fs = 88.2kHz, Filter B, 0 Hz…40 kHz: within ±1.9 dB
  • · Fs = 176.4 kHz, Filter A, 0 Hz…20 kHz: within ±0.25 dB??
  • · Fs = 176.4 kHz, Filter A, 0 Hz…40 kHz: within ±0.8 dB
  • · Fs = 176.4 kHz, Filter A, 0 Hz…80 kHz: within ±2.6 dB??
  • · Fs = 176.4 kHz, Filter B, 0 Hz…20 kHz: within ±0.25 dB??
  • · Fs = 176.4 kHz, Filter B, 0 Hz…40 kHz: within ±0.8 dB
  • · Fs = 176.4 kHz, Filter B, 0 Hz…80 kHz: within ±3.8 dB
  • Total Harmonic Distortion plus Noise (THD+N):
  • · --115 dBr (0.00016 %) at --3 dBFS input level??
  • · --122 dBr (0.0000795 %) at --40 dBFS input level
  • · --122 dBr (0.0000795 %) at --70 dBFS input level
  • Linearity:

At 0 dBFS to --120 dBFS input level: less than ±0.4 dB deviation from ideal

Spurious Components (including Harmonics):??

  • · At 0 dBFS input level, maximum output level, 100 kOO load, 1 kHz, all components at less than --120 dB
  • · At 0 dBFS input level, maximum output level, 600 OO load, 1 kHz, all components at less than --120 dB??
  • · At 0 dBFS input level, maximum output level, 300 OO load, 1 kHz, all components at less than --120 dB??
  • · At 0 dBFS input level, maximum output level, 100 kOO load, 4 kHz, all components at less than --120 dB??
  • · At 0 dBFS input level, maximum output level, 600 OO load, 4 kHz, all components at less than --120 dB??
  • · At 0 dBFS input level, maximum output level, 300 OO load, 4 kHz, all components at less than --115 dB
  • Crosstalk:

Better than 110 dB, 20 Hz…20 kHz

Interchannel Phase Response:

  • · ±0.15° 20 Hz…20 kHz
  • · ±0.50° 20 Hz…80 kHz
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