Focusrite ISA828 MkII | 8-kanals mic pre m/AD-opsjon

High-end 8-kanals mikrofonforsterker, med feite Lundahl-trafoer og valg for variabel impedans.
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Fabrikant: Focusrite
LydRommet SKU: 304-00110
Fabrikantens SKU: MOIF8282UKEU
ISA828-MkII er en 8-kanals mikrofonforsterker med de velkjente, Neve-designede ISA preampene. Nytt i MkII er en switch-mode strømforsyning, som gjør at enheten avgir langt mindre varme enn sin forgjenger. ISA828-MkII er også kompatibel med det nye AD-kortet, ADN8, som har digitale utganger på Dante, AES/EBU og ADAT, i tillegg til Word Clock.

Feature Specifications
Microphone Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 150Ω. The below are measured using the analogue outputs.
• Gain Range: 0dB to +30dB (30-60 switch disabled) and +30dB to +60dB (30-60 switch enabled) in 10dB steps, with an additional +20dB of continuous trim
• Input Impedance: Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
• Max. Input Level: +7dBu, min gain, medium Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.2dB, min gain, medium Z
• Frequency Response (10Hz - 110kHz): 10Hz - 110kHz ±1.5dB, min gain, medium Z
• THD + N: -92dB (0.0025%) @ -1dBr, min gain, medium Z
• EIN: -123dBu 'A'-Weighted (typical)
• Signal-to-Noise Ratio: 122dB 'A'-Weighted (typical), medium Z
• Common-Mode Rejection Ratio: 997Hz CMRR: -93dB, min gain, medium Z
• Phantom Power : +48V, independently switchable per channel.
• High-Pass Filter: 75Hz knee frequency, 18dB/Octave, independently switchable per channel
• Phase: Inverts the phases of the selected input

Line Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 50Ω. The below are measured using the analogue outputs.
• Gain Range: -20dB to +10dB in 10dB steps, with an additional +20dB of continuous trim
• Input Impedance: Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
• Max. Input Level: +25dBu, min gain, medium Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.1dB, unity gain, medium Z
• Frequency Response (10Hz - 122kHz): 10Hz - 122kHz ±3dB, unity gain, medium Z
• THD + N: -91dB (0.0028%) @ -1dBr, min gain, medium Z
• Signal-to-Noise Ratio: 122dB 'A'-Weighted (typical), medium Z
• Common-Mode Rejection Ratio: 997Hz CMRR: -65dB, min gain, medium Z

Instrument Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 600Ω. The below are measured using the analogue outputs.
• Gain Range: +10dB to +40dB with continuous gain using trim pot
• Input Impedance: Low = 470Ω, High = 2.4MΩ
• Max. Input Level: +18dBu, min gain, low Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.1dB, min gain, low Z
• Frequency Response (10Hz - 110kHz): 10Hz - 110kHz ±1.2dB, min gain, low Z
• THD + N: -83dB (0.0071%) @ -1dBr, min gain, low Z
• Signal-to-Noise Ratio: 100dB 'A'-Weighted (typical), min gain, low Z

Crosstalk
Microphone Crosstalk
• Microphone Talkback: -60dB; 20Hz - 20kHz, min gain, medium Z

Line Crosstalk
• Microphone Talkback: -80dB; 20Hz - 20kHz, min gain, medium Z

Instrument Crosstalk
• Microphone Talkback: -80dB; 20Hz - 20kHz, min gain, medium Z

Front Panel Connectivity
Instrument Inputs

• Channel Count: 2 Channels In
• Instrument Inputs: 4 x 1/4" jack inputs


Rear Panel Connectivity
Mic Inputs
• Channel Count: 8 In
• Input: 8 x Female XLR

Line Level
• Channel Count: 8 In and 8 Out
• Input: 8 x 1/4" jack inputs
• Output: 1 x DB-25 connectors (AES59)

Inserts
• Channel Count: 8 In
• Input: 1 x DB-25 connectors (AES59)

Digital Card Slot
• Compatible Card: ISA ADN8

PSU
• PSU: 1 x IEC Input

Front Panel Indicators
• Control Functions: 16 x Pots (Gain and Trim). 60 Switches (On/Off Switch, 30-60 Gain, +48V, Phase, HPF, Insert, Z In, Input, Meters Pre A-D, Clock Select and Ext. Word Clock)

Rear Panel Indicators
• Control Functions: 1 x Pot (Meter Trim)

Dimensions
• Height: 88mm/ 3.46"
• Width: 482mm/ 18.98"
• Depth: 325mm/ 12.80"

Weight
• Weight: 7.05kg / 15.55lbs

Power
• PSU: 1 x Internal, 100-240V, 50/60Hz, consumption 35W.

Heat Performance
• Operating Temperature: Operates at up to an ambient temperature of 40 degrees Celsius
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Focusrite AD-opsjon for ISA828/428 MkII: Dante, AES, ADAT og WC

304-00112
192 kHz/24 bit 8-kanals AD-kort til ISA828/428 MkII. Dante, AES, ADAT og WC.
ISA828-MkII er en 8-kanals mikrofonforsterker med de velkjente, Neve-designede ISA preampene. Nytt i MkII er en switch-mode strømforsyning, som gjør at enheten avgir langt mindre varme enn sin forgjenger. ISA828-MkII er også kompatibel med det nye AD-kortet, ADN8, som har digitale utganger på Dante, AES/EBU og ADAT, i tillegg til Word Clock.

Feature Specifications
Microphone Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 150Ω. The below are measured using the analogue outputs.
• Gain Range: 0dB to +30dB (30-60 switch disabled) and +30dB to +60dB (30-60 switch enabled) in 10dB steps, with an additional +20dB of continuous trim
• Input Impedance: Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
• Max. Input Level: +7dBu, min gain, medium Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.2dB, min gain, medium Z
• Frequency Response (10Hz - 110kHz): 10Hz - 110kHz ±1.5dB, min gain, medium Z
• THD + N: -92dB (0.0025%) @ -1dBr, min gain, medium Z
• EIN: -123dBu 'A'-Weighted (typical)
• Signal-to-Noise Ratio: 122dB 'A'-Weighted (typical), medium Z
• Common-Mode Rejection Ratio: 997Hz CMRR: -93dB, min gain, medium Z
• Phantom Power : +48V, independently switchable per channel.
• High-Pass Filter: 75Hz knee frequency, 18dB/Octave, independently switchable per channel
• Phase: Inverts the phases of the selected input

Line Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 50Ω. The below are measured using the analogue outputs.
• Gain Range: -20dB to +10dB in 10dB steps, with an additional +20dB of continuous trim
• Input Impedance: Low = 600Ω, ISA 110 = 1400Ω, Med (Medium) = 2400Ω, High = 6800Ω
• Max. Input Level: +25dBu, min gain, medium Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.1dB, unity gain, medium Z
• Frequency Response (10Hz - 122kHz): 10Hz - 122kHz ±3dB, unity gain, medium Z
• THD + N: -91dB (0.0028%) @ -1dBr, min gain, medium Z
• Signal-to-Noise Ratio: 122dB 'A'-Weighted (typical), medium Z
• Common-Mode Rejection Ratio: 997Hz CMRR: -65dB, min gain, medium Z

Instrument Inputs
All measurements taken at maximum gain unless otherwise stated, Rs = 600Ω. The below are measured using the analogue outputs.
• Gain Range: +10dB to +40dB with continuous gain using trim pot
• Input Impedance: Low = 470Ω, High = 2.4MΩ
• Max. Input Level: +18dBu, min gain, low Z
• Frequency Response (20Hz - 20kHz): 20Hz - 20kHz ±0.1dB, min gain, low Z
• Frequency Response (10Hz - 110kHz): 10Hz - 110kHz ±1.2dB, min gain, low Z
• THD + N: -83dB (0.0071%) @ -1dBr, min gain, low Z
• Signal-to-Noise Ratio: 100dB 'A'-Weighted (typical), min gain, low Z

Crosstalk
Microphone Crosstalk
• Microphone Talkback: -60dB; 20Hz - 20kHz, min gain, medium Z

Line Crosstalk
• Microphone Talkback: -80dB; 20Hz - 20kHz, min gain, medium Z

Instrument Crosstalk
• Microphone Talkback: -80dB; 20Hz - 20kHz, min gain, medium Z

Front Panel Connectivity
Instrument Inputs

• Channel Count: 2 Channels In
• Instrument Inputs: 4 x 1/4" jack inputs


Rear Panel Connectivity
Mic Inputs
• Channel Count: 8 In
• Input: 8 x Female XLR

Line Level
• Channel Count: 8 In and 8 Out
• Input: 8 x 1/4" jack inputs
• Output: 1 x DB-25 connectors (AES59)

Inserts
• Channel Count: 8 In
• Input: 1 x DB-25 connectors (AES59)

Digital Card Slot
• Compatible Card: ISA ADN8

PSU
• PSU: 1 x IEC Input

Front Panel Indicators
• Control Functions: 16 x Pots (Gain and Trim). 60 Switches (On/Off Switch, 30-60 Gain, +48V, Phase, HPF, Insert, Z In, Input, Meters Pre A-D, Clock Select and Ext. Word Clock)

Rear Panel Indicators
• Control Functions: 1 x Pot (Meter Trim)

Dimensions
• Height: 88mm/ 3.46"
• Width: 482mm/ 18.98"
• Depth: 325mm/ 12.80"

Weight
• Weight: 7.05kg / 15.55lbs

Power
• PSU: 1 x Internal, 100-240V, 50/60Hz, consumption 35W.

Heat Performance
• Operating Temperature: Operates at up to an ambient temperature of 40 degrees Celsius
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