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Focusrite ISA One Digital - - Microphone Pre-amp Factory Built-in Digital Output
Estimated price for orientation: 700 $
Category: Preamps and Channel Strips
Class:
Description Condition: Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Features: Digital Output Brand: Focusrite Type: Microphone Preamp Model: ISA One / Digital
I bought the analog version of this and then installed the digital card myself. My attempts to start a studio haven't gone the way I was hoping, so I'm selling it. Everything is in working order. Here are the specs from the focusrite website:ISA One Analog SpecificationsAnalogue Channel Inputs:XLR Mic inputOne XLR and one TRS line inputXLR Instrument input TRS JackExternal ADC input TRS JackTRS jack returnAnalogue Channel OutputsTRS jack sendXLR balanced line outputXLR DI outputTS jack DI throughAnalogue Channel Additional I/OTRS Jack cue mix left inputTRS Jack cue mix right input1/4” TRS Jack headphones outputMic Input ResponseGain range0dB to 60dB in 10dB steps + 20 dB of variable gainInput ImpedanceSwitched Impedance setting Equivalent Input Impedance at 1kHzLow = 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 filterNoiseNoise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter-97 dBuSignal-to-Noise Ratio106 dB relative to max headroom (9dBu)Total Harmonic Distortion + NoiseMeasured at medium gain (30dB) with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filter< 0.0009%Frequency ResponseAt minimum gain (0 dB)-0.5dB down at 10Hz and -3dB down at 125kHz At maximum gain (60dB)-3dB down at 16Hz and -3dB down 118kHzCMRR (Common Mode Rejection Ratio)98dB (Channel 1, 1kHz, maximum gain with +24 dBu input)Crosstalk Channel to ChannelWith 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 Impedance10 kΩ from 10 Hz to 200 kHzNoiseNoise at main output with gain at unity (0 dB) measured with 50 Ω source impedance and a 22Hz - 22 kHz band pass filter-96 dBuSignal-to-Noise RatioMeasured with a 22 Hz-22 kHz band pass filter120 dB relative to max headroom (24 dBu)118dB relative to 0dBFS (+22dBu)Total Harmonic Distortion + NoiseMeasured with a 0 dBu input signal, and a 22 Hz-22 kHz band pass filter0.0001%Frequency ResponseAt unity gain (0 dB)-0.3dB down at 10Hz and -3dB down at 200kHzInstrument Input ResponseGain range10dB to 40dB continuously variableInput ImpedanceHigh = greater than 1MLow =greater than 300kNoiseMeasured with 22 Hz-22 kHz band pass filterMinimum gain (+10 dB): -92 dBuMaximum gain (+40dB): -62dBuTHDAt minimum gain (+10)Frequency ResponseAt minimum gain (+10 dB)-10dB input: 10Hz-100kHz +/- 0.6dB At maximum gain (+40 dB)-40dB input: -2.5dB down at 10Hz and 0dB at 100kHzMetersMoving Coil (MC) Meterfactory 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 MetersCalibrated 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 LevelsAs 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 = -20dBuFrequency ResponseAt minimum gain (+10 dB)-10dB input: 10Hz-100kHz +/- 0.6dB At maximum gain (+40 dB)-40dB input: -2.5dB down at 10Hz and 0dB at 100kHzHigh-Pass FilterRoll-Off18 dB per octave (3 pole filter)FrequencyFixed 75Hz measured at the 3dB down pointWeight and DimensionsW x D x H220mm (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)Weight3.9 kg8.6 lbs
Stereo 192kHz A-D converterThe optional digital card delivers the best A-D performance in its class (dynamic range of 118dB). Alternatively, the ISA One Digital comes with the A-D converter as standard.
Description
| Condition: | Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition | Features: | Digital Output |
| Brand: | Focusrite | Type: | Microphone Preamp |
| Model: | ISA One / Digital |
I bought the analog version of this and then installed the digital card myself. My attempts to start a studio haven't gone the way I was hoping, so I'm selling it. Everything is in working order. Here are the specs from the focusrite website:ISA One Analog SpecificationsAnalogue Channel Inputs:XLR Mic inputOne XLR and one TRS line inputXLR Instrument input TRS JackExternal ADC input TRS JackTRS jack returnAnalogue Channel OutputsTRS jack sendXLR balanced line outputXLR DI outputTS jack DI throughAnalogue Channel Additional I/OTRS Jack cue mix left inputTRS Jack cue mix right input1/4” TRS Jack headphones outputMic Input ResponseGain range0dB to 60dB in 10dB steps + 20 dB of variable gainInput ImpedanceSwitched Impedance setting Equivalent Input Impedance at 1kHzLow = 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 filterNoiseNoise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter-97 dBuSignal-to-Noise Ratio106 dB relative to max headroom (9dBu)Total Harmonic Distortion + NoiseMeasured at medium gain (30dB) with a 1kHz -20dBu input signal and with a 22Hz/22kHz band-pass filter< 0.0009%Frequency ResponseAt minimum gain (0 dB)-0.5dB down at 10Hz and -3dB down at 125kHz At maximum gain (60dB)-3dB down at 16Hz and -3dB down 118kHzCMRR (Common Mode Rejection Ratio)98dB (Channel 1, 1kHz, maximum gain with +24 dBu input)Crosstalk Channel to ChannelWith 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 Impedance10 kΩ from 10 Hz to 200 kHzNoiseNoise at main output with gain at unity (0 dB) measured with 50 Ω source impedance and a 22Hz - 22 kHz band pass filter-96 dBuSignal-to-Noise RatioMeasured with a 22 Hz-22 kHz band pass filter120 dB relative to max headroom (24 dBu)118dB relative to 0dBFS (+22dBu)Total Harmonic Distortion + NoiseMeasured with a 0 dBu input signal, and a 22 Hz-22 kHz band pass filter0.0001%Frequency ResponseAt unity gain (0 dB)-0.3dB down at 10Hz and -3dB down at 200kHzInstrument Input ResponseGain range10dB to 40dB continuously variableInput ImpedanceHigh = greater than 1MLow =greater than 300kNoiseMeasured with 22 Hz-22 kHz band pass filterMinimum gain (+10 dB): -92 dBuMaximum gain (+40dB): -62dBuTHDAt minimum gain (+10)Frequency ResponseAt minimum gain (+10 dB)-10dB input: 10Hz-100kHz +/- 0.6dB At maximum gain (+40 dB)-40dB input: -2.5dB down at 10Hz and 0dB at 100kHzMetersMoving Coil (MC) Meterfactory 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 MetersCalibrated 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 LevelsAs 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 = -20dBuFrequency ResponseAt minimum gain (+10 dB)-10dB input: 10Hz-100kHz +/- 0.6dB At maximum gain (+40 dB)-40dB input: -2.5dB down at 10Hz and 0dB at 100kHzHigh-Pass FilterRoll-Off18 dB per octave (3 pole filter)FrequencyFixed 75Hz measured at the 3dB down pointWeight and DimensionsW x D x H220mm (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)Weight3.9 kg8.6 lbs
Stereo 192kHz A-D converterThe optional digital card delivers the best A-D performance in its class (dynamic range of 118dB). Alternatively, the ISA One Digital comes with the A-D converter as standard.
Stereo 192kHz A-D converterThe optional digital card delivers the best A-D performance in its class (dynamic range of 118dB). Alternatively, the ISA One Digital comes with the A-D converter as standard.