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모델명 : ISA One
제조원 : FOCUSRITE
사양서 파일  :  ISA_One_UserGuide-English_1.pdf
시방서 파일  :  ISA_One_UserGuide-English_2.pdf

 

  

 

 

Specifications

 

 

- Mic Input Response

 

Gain range = 0dB to 60dB in 10dB steps + 20 dB of variable gain
Input Impedance, variable as follows:-
Switched Impedance setting Equivalent Input Impedance at 1kHz
Low = 600Ω
ISA11 0 = 14 00Ω
Med = 24 00Ω
High = 6800Ω

 

- Line Input Response


Gain range = -20dB to +10dB in 10dB steps + 20 dB of variable gain
Input Impedance = 10kΩ from 10Hz to 200kHz
Noise at main output with gain at unity (0dB) = -96dBu measured with a 22 Hz/22 kHz band-pass filter
Signal to noise ratio relative to max headroom (24 dBu)=12 0dB
Signal to noise ratio relative to 0dBFS (+22 dBu) = 11 8dB
THD at unity gain (0dB) = 0.001% measured with a 0dBu input signal and with a 22 Hz/22 kHz band-pass filter
Frequency Response at unity gain (0dB) = -0.3dB down at 10Hz and -3dB down at 200kHz.

 

- Instrument Input Response


Gain range = 10dB to 40dB continuously variable
Input Impedance:
High = 1MΩ
Low = 300kΩ

 

- High Pass Filter


Roll off = 18dB per octave 3 pole filter
Fixed Frequency 75Hz measured at the 3dB down point