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FOCUSRITE ISA-ONE ISA - 1 channel
ISA - 1 channel
A 2-channel precision AD converter board (up to 192 kHz - optional) can also be installed at the rear. The DI provides impedance switching and a headphone output and its own power supply to the optional converter and a separate XLR output on the rear panel.
Focusrite sound.
At the heart of the ISA range is the microphone preamplifier with a Lundahl input transformer. This is the same circuit as the original ISA 110, which has been used for 30 years by Focusrite. The input transformer gives a special sound to the signal that can't really be emulated in any other way, while the variable input impedance allows a new degree of flexibility.
- EQ: high-pass filter
- Vumeter: needle
- Category: mic preamp
- Audio outputs: XLR
- Dimensions (mm): 290 x 290 x 104
- Gain: 80 dB
- Weight (kg): 3.90 kg
- Remote: No
- Lights: No
- Insert: Yes
- Phantom power: Yes
- Impedance selector: Yes
- Phase opposition: Yes
- Compressor: No
- No. of channels: 1
- No. of mic inputs: 1
- No. of instrument inputs: 1
- Additional specs: - XLR line and 6.35 mm jack inputs
- XLR mic input (with Lundahl LL1538 transformer)
- Step gain control potentiometer (10 dB), compensation potentiometer (0/+20 dB) and inter. 0/30 dB, 30/60 dB
- Power supply. 48 V, phase inverter and high-pass filter
- Impedance selector (low, ISA 110, med, high) and mic/line/inst source selector
- Variable calibration backlit needle meter and 6-segment LED meter (pre or post insert)
- Stereo cue mix input 2 x 6,35 mm
- Effects insert 2 x 6.35 mm jack
- 6.35 mm jack headphone output
- XLR and 6.35 mm jack DI outputs, and XLR main output
- Optional digital interface
Specific References
- RFO ISA-ONE
- 0815301005131