GLD AR2412

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GLD Specification For V1.2 and higher firmware

Inputs

XLR Mic/Line Inputs Balanced, (All XLR on GLD‐80 and AudioRacks)

Mic/Line Preamp Fully recallable

Input Sensitivity ‐60 to +15dBu

Analogue Gain +5 to +60dB, 1dB steps

Pad ‐20dB

Maximum Input Level +32dBu

Input Impedance >4kΩ (Pad out), >10kΩ (Pad in)

Mic/Line Channel noise 20‐20kHz, Direct Out @ unbalanced out

Mic EIN ‐127dB with 150Ω source

Unity gain (Pad in) ‐90dBu

Low gain (5dB, Pad out) ‐93dBu

Mid gain (30dB, Pad out) ‐89dBu

Mic/Line Channel THD+N 20‐20kHz, Direct Out @ unbalanced out

Unity gain (Pad in) 0.005% ‐86dBu @ 1kHz, 0dBu output

Low gain (5dB, Pad out) 0.003% ‐89dBu @ 1kHz, 0dBu output

Mid gain (30dB, Pad out) 0.004% ‐88dBu @ 1kHz, 0dBu output

RCA Line Inputs Unbalanced (GLD‐80)

Input Sensitivity ‐24 to +24dBu, nominal 0dBu

Trim +/‐24dB, recallable

Maximum Input Level +18dBu

Input Impedance >10kΩ

RCA channel Noise ‐92dBu 20‐20kHz

RCA channel THD+N 0.0035% ‐90dBu @ 1kHz, 0dBu output

Outputs

XLR Outputs Balanced, Relay protected

Output Impedance <75Ω

Nominal Output +4dBu = 0dB meter reading

Maximum Output Level +22dBu

Residual Output Noise ‐91dBu (muted, 20‐20kHz)

RCA Line Outputs Balanced, Relay protected

Output Impedance <75Ω

Nominal Output 0dBu = 0dB meter reading

Maximum Output Level +18dBu

Residual Output Noise ‐94dBu (muted, 20‐20kHz)

Digital Outputs 48kHz sampling rate

SPDIF RCA, 600mV, coax terminated input 75Ω

AES3 2 ch XLR output XLR, 2.5Vpp balanced terminated 110 Ω

System

Measured balanced XLR in to XLR out, 20‐20kHz, minimum Gain, Pad out

Dynamic Range 112dB

System Signal to Noise ‐90dB

Frequency Response 0/‐0.25dB @ 20Hz, 0/‐0.5dB @ 20kHz

System peak level THD+N 0.0055% ‐68dBu @ +17dBu output, 1kHz

System Line level THD+ N 0.0022%, ‐84dBu @ +9dBu output, 1kHz

Headroom +18dB

Internal operating Level 0dBu

dBFS Alignment +18dBu = 0dBFS (+22dBu at XLR output)

Meter Calibration 0dB meter = ‐18dBFS (+4dBu at XLR out)

Meter Peak indication ‐3dBFS (+19dBu at XLR out)

Meter Type Fast (peak) response

Sampling Rate 48kHz +/‐100PPM

ADC 24‐bit Delta‐Sigma

DAC 24‐bit Delta‐Sigma

Latency 1.49ms (GLD‐80 local XLR in to XLR out)

0.68ms (GLD‐80 local XLR in to digital out)

USB Playback 2 channel, WAV, FLAC 44.1/48kHz

USB Record 2 channel, 48kHz / 16bit ‐ WAV

I/O Port 64 channel bi‐directional

Card Options A&H ACE, MADI, Dante, ES, Waves, MMO

Operating Temperature 0 deg C to 35 deg C (32 deg F to 95 deg