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musical instrument details
Focusrite ISA Two Preamp
Estimated price for orientation: 600 $
Category: Preamps and Channel Strips
Class:
Description Brand: Focusrite Model: ISA Two Type: Microphone Preamp Features: High Impedance Input, Phase Reverse, Rack-Mountable Number of Channels: 2
Shipping costs based on buyer location. USPS, FedEX or UPS options available.SpecificationsFront panel, per channel1/4" instrument inputVariable input impedance - Low, ISA 110, Medium, HighInput selection - Mic, Line, Instrument0 - 30 dB/30 - 60 dB gain switchPhantom power switchPhase invert switch0 - 60 dB gain in 10 dB steps0 - +20 dB continuously variable trimVariable high-pass filter with on/off switchInsert point on/off switchEight-LED user-calibrated level metersSingle power switchRear panel, per channelXLR-F mic inputs1/4" TRS line inputs1/4" TRS Sends1/4" TRS ReturnsXLR-M line outputSingle peak meter calibration dialSingle IEC power socketMaximum Input and Output LevelsMaximum Output Level+24 dBu with a THD+N < 0.01% at 1kHz measured with 150 Ω source impedance and 22Hz/22kHz band-pass filterMaximum Microphone Transformer Input Level+7 dBu with a THD+N < 0.7% at 1kHz measured at 0 dB of gain with 150 Ω source impedance and 22Hz/22kHz band-pass filterMic Input ResponseGain range0 dB to +60 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trimInput ImpedanceSwitched Impedance settingEquivalent Input Impedance at 1 kHzLow = 600 ΩISA 110 = 1.4 kΩMed = 2.4 kΩHigh = 6.8 kΩEIN (Equivalent Input Noise)Measured at 60 dB of gain with 150 Ω source impedance and 22 Hz-22 kHz band pass filter-127 dBNoiseNoise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter-97 dBuSignal-to-Noise RatioMeasured with 150 Ω source impedance and 22 Hz-22 kHz band pass filter121 dB relative to max output +24 dBuTotal Harmonic Distortion + NoiseMeasured with a -20 dBu input signal at +30 dB of gain and with a 22 Hz-22 kHz band pass filter< 0.0007% at 1 kHzFrequency ResponseAt minimum gain (0 dB)-0.5 dB at 10 Hz,
-1 dB at 135 kHz, relative to 1 kHzAt +60 dB gain-6 dB at 10 Hz, -1 dB at 115 kHz, relative to 1 kHzCMRR (Common Mode Rejection Ratio)-94 dB for mic input at 60 Hz for max. output = +24 dBu-91 dB for mic input at 10 kHz for max. output = +24 dBuCrosstalk Channel to ChannelMic input, with I/P = 0 dBu, gain = 0 dB @ 1 kHz input to channel A, channel B output = -85 dBLine Input ResponseGain range-20 dB to +10 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trimInput 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-97 dBuSignal-to-Noise RatioMeasured with 50 Ω source impedance and a 22 Hz-22 kHz band pass filter121 dB relative to max output +24 dBuTotal Harmonic Distortion + NoiseMeasured with a 0 dBu input signal, +10 dB of gain and a 22 Hz-22 kHz band pass filter< 0.0002% at 1 kHzFrequency ResponseAt minimum gain (0 dB)-0.3 dB at 10 Hz, -1 dB at 80 kHz, relative to 1 kHzCrosstalk Channel to ChannelLine input, with I/P = 0 dBu, gain = 0dB @ 1 kHz input to channel AChannel B output
= -91 dBInstrument Input ResponseGain range+10 dB to +40 dB continuously variable trimInput Impedance2 MΩNoiseMeasured with 22 Hz-22 kHz band pass filterMinimum gain (+10 dB) = -95 dBuFrequency ResponseAt minimum gain (+10 dB)-0.1 dB at 10 Hz,
-1 dB at 115 kHz, relative to 1 kHzAt maximum gain (+40 dB)-2.5 dB at 10 Hz,
-1 dB at 110 kHz, relative to 1 kHzHigh-Pass FilterRoll-Off18 dB per octave (3 pole filter)Frequency RangeContinuously variable from 16 Hz to 420 Hz (-3 dB)Weight and DimensionsW x D x H480 mm x 280 mm x 44 mmWeight3.7 kg
Description
| Brand: | Focusrite | Model: | ISA Two |
| Type: | Microphone Preamp | Features: | High Impedance Input, Phase Reverse, Rack-Mountable |
| Number of Channels: | 2 |
Shipping costs based on buyer location. USPS, FedEX or UPS options available.SpecificationsFront panel, per channel1/4" instrument inputVariable input impedance - Low, ISA 110, Medium, HighInput selection - Mic, Line, Instrument0 - 30 dB/30 - 60 dB gain switchPhantom power switchPhase invert switch0 - 60 dB gain in 10 dB steps0 - +20 dB continuously variable trimVariable high-pass filter with on/off switchInsert point on/off switchEight-LED user-calibrated level metersSingle power switchRear panel, per channelXLR-F mic inputs1/4" TRS line inputs1/4" TRS Sends1/4" TRS ReturnsXLR-M line outputSingle peak meter calibration dialSingle IEC power socketMaximum Input and Output LevelsMaximum Output Level+24 dBu with a THD+N < 0.01% at 1kHz measured with 150 Ω source impedance and 22Hz/22kHz band-pass filterMaximum Microphone Transformer Input Level+7 dBu with a THD+N < 0.7% at 1kHz measured at 0 dB of gain with 150 Ω source impedance and 22Hz/22kHz band-pass filterMic Input ResponseGain range0 dB to +60 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trimInput ImpedanceSwitched Impedance settingEquivalent Input Impedance at 1 kHzLow = 600 ΩISA 110 = 1.4 kΩMed = 2.4 kΩHigh = 6.8 kΩEIN (Equivalent Input Noise)Measured at 60 dB of gain with 150 Ω source impedance and 22 Hz-22 kHz band pass filter-127 dBNoiseNoise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter-97 dBuSignal-to-Noise RatioMeasured with 150 Ω source impedance and 22 Hz-22 kHz band pass filter121 dB relative to max output +24 dBuTotal Harmonic Distortion + NoiseMeasured with a -20 dBu input signal at +30 dB of gain and with a 22 Hz-22 kHz band pass filter< 0.0007% at 1 kHzFrequency ResponseAt minimum gain (0 dB)-0.5 dB at 10 Hz,
-1 dB at 135 kHz, relative to 1 kHzAt +60 dB gain-6 dB at 10 Hz, -1 dB at 115 kHz, relative to 1 kHzCMRR (Common Mode Rejection Ratio)-94 dB for mic input at 60 Hz for max. output = +24 dBu-91 dB for mic input at 10 kHz for max. output = +24 dBuCrosstalk Channel to ChannelMic input, with I/P = 0 dBu, gain = 0 dB @ 1 kHz input to channel A, channel B output = -85 dBLine Input ResponseGain range-20 dB to +10 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trimInput 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-97 dBuSignal-to-Noise RatioMeasured with 50 Ω source impedance and a 22 Hz-22 kHz band pass filter121 dB relative to max output +24 dBuTotal Harmonic Distortion + NoiseMeasured with a 0 dBu input signal, +10 dB of gain and a 22 Hz-22 kHz band pass filter< 0.0002% at 1 kHzFrequency ResponseAt minimum gain (0 dB)-0.3 dB at 10 Hz, -1 dB at 80 kHz, relative to 1 kHzCrosstalk Channel to ChannelLine input, with I/P = 0 dBu, gain = 0dB @ 1 kHz input to channel AChannel B output
= -91 dBInstrument Input ResponseGain range+10 dB to +40 dB continuously variable trimInput Impedance2 MΩNoiseMeasured with 22 Hz-22 kHz band pass filterMinimum gain (+10 dB) = -95 dBuFrequency ResponseAt minimum gain (+10 dB)-0.1 dB at 10 Hz,
-1 dB at 115 kHz, relative to 1 kHzAt maximum gain (+40 dB)-2.5 dB at 10 Hz,
-1 dB at 110 kHz, relative to 1 kHzHigh-Pass FilterRoll-Off18 dB per octave (3 pole filter)Frequency RangeContinuously variable from 16 Hz to 420 Hz (-3 dB)Weight and DimensionsW x D x H480 mm x 280 mm x 44 mmWeight3.7 kg