Focusrite ISA One Focusrite ISA One Focusrite ISA OneTiền khuếch đại micro một kênh truyền thống của Focusrite được khẳng định qua nhiều năm. ISA One được phát triển trên module kinh điển ISA110 với đột phá về giá thành!ISA One tích hợp DI và hiệu chỉnh trở kháng đầu vào cho phép sử dụng cho micro thu vocal, capinet và guitar điện. Khả năng tinh chỉnh trở kháng là một thế mạnh của ISA One cho phép phát huy mạnh nhất các ưu điểm của các loại micro khác nhau.Các chức năng khác như cắt tần số thấp 75Hz, đảo pha, lọc tần số cao.Chức năng kiểm soát tín hiệu bằng đen LED và đèn Analog cho cả đầu vào và đầu raCho phép insert tín hiệu hoặc bộ xử lý ngoài như compressor, tích hợp headphone để kiểm tra mức tín hiệu.Mic Input ResponseGain range = 0dB to 60dB in 10dB steps + 20 dB of variable gainInput Impedance, variable as follows:(Switched Impedance setting Equivalent Input Impedance at 1kHz)Low = 600 OhmsISA110 = 1400 OhmsMed = 2400 OhmsHigh = 6800 OhmsEIN (equivalent input noise) = -126dB measured at 60dB of gain with 150 Ohm terminating impedance and 22Hz/22kHz band-pass filterNoise at main output with gain at unity (0dB) = -97dBu measured with a 22Hz/22kHz band-pass filterSignal to noise ratio relative to max headroom (9dBu) = 106dBTHD at medium gain (30dB) = 0.0009% measured with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filterFrequency response at minimum gain (0dB) = -0.5dB down at 10Hz and -3dB down at 125kHzFrequency response at maximum gain (60dB) = -3dB down at 16Hz and -3dB down 118kHzCMRR=98dB (Channel 1, 1kHz, maximum gain with +24 dBu input) Crosstalk Channel to Channel: with 10dB@1kHz input to chA, chB output =104dBrA. With 10dB@10kHz input to chA, chB output = 84dBrALine Input ResponseGain range = -20dB to +10dB in 10dB steps + 20 dB of variable gainInput Impedance = 10k? from 10Hz to 200kHzNoise at main output with gain at unity (0dB) = -96dBu measured with a 22Hz/22kHz band-pass filterSignal to noise ratio relative to max headroom (24dBu)=120dBSignal to noise ratio relative to 0dBFS (+22dBu) = 118dBTHD at unity gain (0dB) = 0.001% measured with a 0dBu input signal and with a 22Hz/22kHz band-pass filterFrequency Response at unity gain (0dB) = -0.3dB down at 10Hz and -3dB down at 200kHzInstrument Input ResponseGain range = 10dB to 40dB continuously variableInput Impedance:High = greater than1MLow =greater than 300kNoise at minimum gain (+10dB) = -92dBu measured with a 22Hz/22kHz band-pass filterNoise at maximum gain (+40dB) = -62dBu measured with a 22Hz/22kHz band-pass filterTHD at minimum gain (+10dB) = 0.001% measured with a 10dBu input signal and with a 22Hz/22kHz band-pass filterFrequency Response at 10dB gain with -10dB input = 10Hz-100kHz +/- 0.6dBFrequency Response at 40dB gain with -40dB input = -2.5dB down at 10Hz and 0dB at 100kHzHigh Pass FilterRoll off = 18dB per octave 3 pole filterFixed Frequency 75Hz measured at the 3dB down pointMetersMoving coil (MC) meter is factory calibrated to 0VU = +4dBu with 1kHz sinewave. With the VU Cal button pressed the meter can be adjusted on the rear panel to allow 0VU to equal +10dBu to +26dBu with the centre detent being equal to +22dBu.Peak LED meters calibrated in the detent position for 0dBFS = +22dBu, calibration is adjustable on the rear panel to allow 0dBFS to equal +10dBu to +26dBuRouting for MC and Peak1 meter is after the HPF, pre insert send or switched post insert return. Peak2 is always pre ADC channel 2, which can be fed by external input or Instrument input.LED levels are as follows when peak calibration is set to center detent on the rear panel. (This is when using the internal ADC).0 = +22dBu-2 = +20dBu-6 = +16dBu-12 = +10dBu-18 = +4dBu-42 = -20dBuFRONT AND REAR CONNECTIVITYAnalogue Channel Inputs:Mic input: XLR x 1Line input: XLR x 1 and TRS x1Instrument input TRS Jack: XLR x 1External ADC input: TRS Jack x 1Return: TRS Jack x 1Analogue Channel Outputs:Send: TRS Jack x 1Balanced line output: XLR x 1DI output: XLR x 1DI through: TS Jack x 1Analogue Channel Additional I/O:Cue mix left input: TRS Jack x 1Cue mix right input: TRS Jack x 1Headphones output: ¼" TRS Jack x 1Weight3.9kg8.6IbsDimensions220mm (W) x 104mm (H) x 254 - 290mm (D - top to bottom)8.66" (W) x 4.1" (H) x 10" - 11.4" (D - top to bottom) S001247 Preamps 12.700.000 VND Số lượng: 1 chiếc
  • Đánh giá:
  • Đăng ngày 20-09-2018 11:10:10 PM - 164 Lượt xem
  • Mã sản phẩm: S001247

Focusrite ISA One

15.875.000đ 12.700.000đ
Thương hiệu 2: Focusrite (Anh)  

ISA One tích hợp DI và hiệu chỉnh trở kháng đầu vào cho phép sử dụng cho micro thu vocal, capinet và guitar điện. Khả năng tinh chỉnh trở kháng là một thế mạnh của ISA One cho phép phát huy mạnh nhất các ưu điểm của các loại micro khác nhau.

Các chức năng khác như cắt tần số thấp 75Hz, đảo pha, lọc tần số cao.

Chức năng kiểm soát tín hiệu bằng đen LED và đèn Analog cho cả đầu vào và đầu ra

Cho phép insert tín hiệu hoặc bộ xử lý ngoài như compressor, tích hợp headphone để kiểm tra mức tín hiệu.

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 = 600 Ohms
  • ISA110 = 1400 Ohms
  • Med = 2400 Ohms
  • High = 6800 Ohms
  • EIN (equivalent input noise) = -126dB measured at 60dB of gain with 150 Ohm terminating impedance and 22Hz/22kHz band-pass filter
  • Noise at main output with gain at unity (0dB) = -97dBu measured with a 22Hz/22kHz band-pass filter
  • Signal to noise ratio relative to max headroom (9dBu) = 106dB
  • THD at medium gain (30dB) = 0.0009% measured with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filter
  • Frequency response at minimum gain (0dB) = -0.5dB down at 10Hz and -3dB down at 125kHz
  • Frequency response at maximum gain (60dB) = -3dB down at 16Hz and -3dB down 118kHz
  • CMRR=98dB (Channel 1, 1kHz, maximum gain with +24 dBu input) 
  • Crosstalk Channel to Channel: with 10dB@1kHz input to chA, chB output =104dBrA. With 10dB@10kHz input to chA, chB output = 84dBrA

Line Input Response

  • Gain range = -20dB to +10dB in 10dB steps + 20 dB of variable gain
  • Input Impedance = 10k? from 10Hz to 200kHz
  • Noise at main output with gain at unity (0dB) = -96dBu measured with a 22Hz/22kHz band-pass filter
  • Signal to noise ratio relative to max headroom (24dBu)=120dB
  • Signal to noise ratio relative to 0dBFS (+22dBu) = 118dB
  • THD at unity gain (0dB) = 0.001% measured with a 0dBu input signal and with a 22Hz/22kHz 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 = greater than1M
  • Low =greater than 300k
  • Noise at minimum gain (+10dB) = -92dBu measured with a 22Hz/22kHz band-pass filter
  • Noise at maximum gain (+40dB) = -62dBu measured with a 22Hz/22kHz band-pass filter
  • THD at minimum gain (+10dB) = 0.001% measured with a 10dBu input signal and with a 22Hz/22kHz band-pass filter
  • Frequency Response at 10dB gain with -10dB input = 10Hz-100kHz +/- 0.6dB
  • Frequency Response at 40dB gain with -40dB input = -2.5dB down at 10Hz and 0dB at 100kHz

High Pass Filter

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

Meters

  • Moving coil (MC) meter is factory calibrated to 0VU = +4dBu with 1kHz sinewave. With the VU Cal button pressed the meter can be adjusted on the rear panel to allow 0VU to equal +10dBu to +26dBu with the centre detent being equal to +22dBu.
  • Peak LED meters calibrated in the detent position for 0dBFS = +22dBu, calibration is adjustable on the rear panel to allow 0dBFS to equal +10dBu to +26dBu
  • Routing for MC and Peak1 meter is after the HPF, pre insert send or switched post insert return. Peak2 is always pre ADC channel 2, which can be fed by external input or Instrument input.
  • LED levels are as follows when peak calibration is set to center detent on the rear panel. (This is when using the internal ADC).
  • 0 = +22dBu
  • -2 = +20dBu
  • -6 = +16dBu
  • -12 = +10dBu
  • -18 = +4dBu
  • -42 = -20dBu

FRONT AND REAR CONNECTIVITY

Analogue Channel Inputs:

  • Mic input: XLR x 1
  • Line input: XLR x 1 and TRS x1
  • Instrument input TRS Jack: XLR x 1
  • External ADC input: TRS Jack x 1
  • Return: TRS Jack x 1

Analogue Channel Outputs:

  • Send: TRS Jack x 1
  • Balanced line output: XLR x 1
  • DI output: XLR x 1
  • DI through: TS Jack x 1

Analogue Channel Additional I/O:

  • Cue mix left input: TRS Jack x 1
  • Cue mix right input: TRS Jack x 1
  • Headphones output: ¼" TRS Jack x 1

Weight

  • 3.9kg
  • 8.6Ibs

Dimensions

  • 220mm (W) x 104mm (H) x 254 - 290mm (D - top to bottom)
  • 8.66" (W) x 4.1" (H) x 10" - 11.4" (D - top to bottom)

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