Siena SpecificationSiena Specification
Internal Power Supply
Type Switching
Line Voltage 90 - 240V AC
Line Frequency 50/60Hz
Input Impedance
Microphone 1k5 ohm Balanced
Line 10k ohm Balanced
Input Gain (all faders at 0dB)
Microphone Continuously variable from +15dB to +60dB
Microphone + Pad Continuously variable from 0dB to +45dB
Channel Line Continuously variable from 0dB to +45dB
(-15dB to +30dB Pad enabled)
Direct Inputs Continuously variable from off to +20dB
Maximum Input Level
Mic +6dBu
Mic + Pad +21dBu
Channel Line +21dBu (+36dBu pad enabled)
CMR at 100Hz
Microphone (Gain +40dB) Typ 95dB
Microphone + Pad (Gain 0dB) Typ 80dB
Line (Gain 0dB) Typ 80dB
CMR at 1kHz
Microphone (Gain +40dB) Typ 95dB
Microphone + Pad (Gain 0dB) Typ 80dB
Line (Gain 0dB) Typ 80dB
Frequency Response (20Hz to 20kHz)
Microphone to Mix +0 to -1dB
Noise 20Hz to 20kHz
Microphone EIN ref. 150 ohms (Gain +60dB) -129dBu
System Noise (20Hz to 20kHz)
Summing Noise (48 channels
routed with faders down) -80dB
Line to Mix Noise (48 channels
routed at 0dB, pan centre) -75dB
Distortion at 1kHz
Microphone to Mix (Gain +40dB,
0dBu output) <0.03%
Crosstalk at 1kHz
Channel to Channel < -100dB
Mix to Mix < -85dB
Channel to Mix < -85dB
Max. Fader Attenuation > 100dB
Max. Mute Attenuation > 100dB
Output Impedance
All Line Outputs 50 ohms Balanced Source to drive > 600 Ohms
Direct Output 100 ohms impedance balanced
Insert Output 50 ohms unbalanced
Headphones to drive > 100 ohms
Maximum Output Level
All Line Outputs +21dBu
Headphones +21dBu
Nominal Signal Level
Microphone -60dBu to 0dBu
Line 0dBu
Headphones +10dBu
Operators Manual - Page 45