The IGS ONE LA 500-Series Compressor is an opto-compressor built for the 500-series format. It is truly a no-compromise vacuum tube device that is sure to be a favorite piece of your studio.
The IGS ONE LA 500-Series Compressor offers two knobs of happiness! It is the first high voltage vacuum tube 500 series module that is offered by IGS. The IGS ONE LA 500-Series Compressor is powered with 250V DC from an on-board voltage converter, so it can be plugged into any 500 series rack equipped with a standard power supply. Every single IGS ONE LA is hand made with high quality, matched components (1% metal film resistors, Wima caps). It is equipped with JJ tubes and individually calibrated to give you the unique and unspoiled experience of one of the best opto-compressors in the history - the Teletronix '68 LA-2A. The IGS Audio has spent hundreds of hours designing the ONE LA, to make sure that it is as simple to use as it is versatile. Not only for harmonically rich vocals and strings, but also for huge and beefy drums and bass instruments. Using two IGS ONE LA 500-Series Compressor as a stereo pair will allow you to use it as an excellent bus compressor!
There is Something Else
Three audio transformers (Sowter and Edcor in audio path and OEP in sidechain) have been used to provide excellent performance and with only two knobs and a single compressor/limiter switch, there is nothing that could go wrong. Additionally, you can replace the photocell easily.
IGS ONE LA 500-Series Compressor Applications
- Recording vocals
- Strings
- Bass instruments
- Bus compressor (stereo when two units are being used)
IGS ONE LA 500-Series Compressor Features
- 500-Series double module, mono unit
- Original Teletronix '68 audio path
- JJ ECC83 input and JJ ECC82 output tubes
- Tubes powered by 250V DC
- Sowter input transformer
- Edcor output transformer
- OEP sidechain transformer
- T4B replaceable photocell (for special order)
- Potentiometer manipulators
- Hard wired bypass
- Compressor/Limiter mode
- Large VU meter with LED back light
IGS ONE LA 500-Series Compressor Specifications
- Device Type:
- Optical Compressor: Yes
- Basic Features:
- Stereo Link: Yes
- Hard Wire Bypass: Yes
- Input & Output:
- Input Impedance (Balanced): 600 Ohm
- Output Impedance (Balanced): 600 Ohm
- Audio Transformers: Yes, Carnhill, Sowter, Edcor (Sidechain)
- Levels:
- Operating Level: +4 dBu
- Max Input Level: +20 dBu
- Max Output Level: +21 dBu
- Dynamic Range: 100 dB
- Noise Level: -99 dBA
- Max. Gain: 32 dB
- Max Gain Reduction: 32dB
- Time Constants:
- Ratio: 4:1 in COMP Mode, 100:1 in LIM Mode
- Attack: 1ms
- Release: 0.5 - 5s (50% @ 60ms)
- Bandwidth:
- Frequency Response: 8 Hz - 20k Hz, +/- 1 dB
- Distortion: (@ 20 Hz - 20 kHz)
- THD+N: 0.002% @ 0dBu
- Front Panel:
- VU Meters: Yes, GR (Backlit)
- Power:
- Voltage: API Standard, Internal DC-DC Conversion for Powering Tubes (250V DC)
- Power Consumption: 8W
- Packing Box:
- Shipping Weight: 6.61 lbs
- Others:
- Tube Set: ECC82, ECC83
IGS ONE LA 500-Series Compressor Includes
- IGS ONE LA 500-Series Compressor
- User Manual
- Manufacturer Warranty
Videos Hide Videos Show Videos
4 Reviews Hide Reviews Show Reviews
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Limiter for bass
May 10th 2024I will say mine for limiting bass guitar its not much good. It lets transients poke through no matter what you do. My PUMP isnt even a limiter and actually does just as good of a job as a digital limiter. To be fair my smart C1 ion limiter mode lets transients through, so doe by DBX560 on limiter mode. So it seems not too many analog limiters actually work for that purpose.
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IGS ONE LA
Apr 8th 2024This Comp is so good, I bought a 2nd Unit. 5 Star for sure !
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Great
Jan 16th 2024I own this and it great on vocals and bass. Acoustic guitar also. Best you'll get without spending 4K on the more well known rack version
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Lovely!
Nov 11th 2016The One LA sounds excellent! Sent the signal trough it, you don't need to do a lot anymore later, because the sound is amazing and levels are balanced very musically. The source just sounds thicker and nobler. You really get a lot for the money - highly recommended!
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