PrismSound Lyra - Analogue and Digital I;O Specifications

1.55
Operation Manual
© 2013 Prism Media Products Ltd
Revision 1.00Prism Sound Lyra
Analog Line Inputs
Configuration:
Electronically balanced, with fully-balanced analog signal path
Input sensitivity:
Switchable ‘+4dBu’ (0dBFS=+18dBu) or ‘-10dBV’ (0dBFS=+6dBu)
Input impedance:
14.5kR
Unbalanced mode:
Automatic
Total harmonic
distortion:
-117dB (0.00014%, -0.1dBFS)
THD+n:
-111dB (0.00028%, -0.1dBFS)
Dynamic range:
116dB (-60dBFS)
Gain accuracy:
±0.05dB
LF roll-off:
-0.05dB at 8Hz; -3dB at <1Hz
HF roll-off:
fs=44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz
fs=48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz
fs=96kHz: -0.05dB at 32.0kHz, -3dB at 47.9kHz
fs=192kHz: -0.05dB at 32.0kHz, -3dB at 78.0kHz
CMRR:
20Hz..20kHz: >70dB
Inter-channel cross-talk:
1kHz: <-140dB; 20Hz..20kHz: <-120dB
Inter-channel phase:
10Hz..5kHz: ±0.25º, 5kHz..20kHz: ±1.0º, 20kHz..50kHz: ±2.0º
Overkiller:
Progressive limiter, auto-aligning, selectable per channel
Impact filter:
High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels
1-2; whether in line, mic or instrument mode)
RIAA de-emphasis filter:
Response accuracy: ±0.22dB at fs=44.1kHz; ±0.14dB at fs=48kHz;±
0.015dB at all other sample rates [*Note1]
MS matrix:
Allows direct connection of mid-side mics, or non-matrix mic-preamps
(selectable for channels 1-2; whether in line or mic mode) [*Note1]
Microphone
Preamplifiers
Configuration:
Electronically balanced, with fully-balanced analog signal path
Gain:
10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu)
Gain accuracy:
±0.05dB
Input impedance:
5.5kR
THD
+10dB gain: -116dB at -0.1dBFS (0.00016%)
+40dB gain: -110dB at -0.1dBFS (0.00032%)
THD+n:
+10dB gain: -108dB at -0.1dBFS (0.00040%)
Equivalent input noise
(EIN):
+30dB gain: -128.5dBu (0R source); -126.3dBu (150R source)
+40dB gain: -130.9dBu (0R source); -127.6dBu (150R source)
+50dB gain: -131.2dBu (0R source); -127.7dBu (150R source)
+60dB gain: -131.4dBu (0R source); -127.8dBu (150R source)
LF roll-off:
-0.05dB at 20Hz; -3dB at 5Hz
HF roll-off:
As per Analog Line Input data (dependent on fs)
CMRR:
50Hz/60Hz: >110dB at all gains
1kHz: >100dB at all gains
20kHz: >90dB at all gains
Phantom power:
+48V, switchable per channel
Pad:
-20dB, switchable per channel
Instrument Preamplifiers
Configuration:
Unbalanced, high impedance buffer
Gain:
10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)
Gain accuracy:
±0.05dB
Input impedance:
1MR