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Focusrite ISA 828 8-kanalig mikrofonförförstärkare (pre-amp)

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Focusrite ISA 828 8-kanalig mikrofonförförstärkare (pre-amp)
Produktnr.: TS-ISA828

Produktinformation

Allmänt

The Focusrite Pro ISA 828 microphone preamplifier hosts eight Focusrite Pro ISA 110 mic preamps in one, and is great for studio and stage use! More specifically, it features eight balanced inputs (equipped with phantom power), six LED VU meters, a 25-pin D connector for ProTools, switchable impedance per channel, inserts on all eight channels, a high-pass filter and phase reversal. 

Bax Music Garanti Denna produkt levereras med 2 års garanti.

Specifikationer

Produktfunktioner

19 tums rackformat
2 U
Antal kanaler
8
Digital utgång
Ja
Energikälla
El
48V Fantommatning
Ja
Fasinversion
Ja
Hörlursutgång
Nej
Försedd med kompressor
Nej
Inbyggd EQ
Nej
Inbyggd limiter
Nej
Connection sockets
None
Analogue audio input type
Balanced line in (TRS jack), balanced line in (DB25), microphone input (XLR), Hi-Z instrument input (TS jack)
Analogue audio output type
Balanced line out (DB25)
Rörförsedd
Nej

Vikt och mått inkluderar förpackning

Vikt
9,0 kg
Mått
65,0 x 51,0 x 22,0 cm

Produktspecifikationer

  • mic input response 
  • gain range: 0 dB to 60 dB in 10dB steps 
  • EIN (similar input noise): -126 dB measured at 60 dB with a gain of 150 ohms ending impedance and a 22Hz/22kHz bandpass filter
  • noise at head output with a single gain of (0 dB): -97 dBu measured with a 22Hz/22kHz bandpass filter
  • signal/noise ratio in perspective with a maximum headroom (9 dBu): 106 dB 
  • THD at minimum gain (30 dB): 0.0008% measured with a 1 kHz-20dBu input signal and a 22Hz/22kHz bandpass filter
  • frequency response at min. gain (0 dB): -0.5 dB under 10 Hz and -3 dB under 110 kHz 
  • frequency response at max. gain (60 dB) -3 dB under 16 Hz and -3 dB under 85 kHz 
  • CMRR: 91.8dB (channel 1, 1 kHz, maximum gain)
  • crosstalk channel to channel: with 10 dB at 1 kHz input signal to chA, chB output = 102 dBrA. with 10 dB at 10 kHz input signal to chA, chB output = 84 dBrA
  • line input response 
  • gain range: -20 dB to +10 dB in 10 dB steps 
  • input impedance: 0 k input from 10 Hz to 200 kHz 
  • noise at head output with a single gain of (0 dB): -96 dBu measured with a 22Hz/22kHz bandpass filter
  • signal/noise ratio in perspective with a maximum headroom (24 dBu): 120 dB 
  • signal/noise ratio in perspective with 0 dBFS (+22 dBu): 118 dB
  • THS at minimum gain (0 dB): 0.001% measures with a 0 dBu input signal and with a 22Hz/22kHz bandpass filter
  • instrument input response 
  • gain reach: 10 dB to 40 dB constant variable
  • input impedance: 1 M or 300 k
  • noise at minimum gain (+10 dB): -90 dBu with a 22Hz/22kHz bandpass filter
  • noise at maximum gain (+40 db)-62 dBu with a 22Hz/22kHz bandpass filter
  • THS at minimum gain (+10 dB): 0.002% with a 10dBu input signal and with a 22Hz/22kHz bandpass filter 
  • frequency response at 10 dB gain with -10 dB input: 10 Hz - 200 kHz +/- 0.6 dB
  • frequency response at 40 dB gain with -40dB input: -2.5 dB down at 10 Hz and 0 dB at 200 kHz
  • high-pass filter
  • roll off: 18 dB per octave 3-pole filter
  • fixed frequency: 75 Hz at 3 dB (lowest point) 
  • weight: 8.84 kg
  • dimensions: 484 x 85 x 305 mm (W x H x D)

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