Unit 5, Silveroaks Farm, Hawkhurst Lane, Waldron, Heathfield, E.Sussex, UK, TN21 0RS
Tel (0)1435- 813393, International +44 1435 813393
VAT Reg. No. GB 241 7291 72
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After many years in development, we are proud to present our first Optical Compressor: designed specifically for, but not limited to, Guitar. In common with our recently introduced CC-1™, the OC-1™ is a completely original design, not copied from any previous or current device. A Feed-Forward design, the OC-1 features a minimized two stage audio signal path: input buffer and output make-up gain: this ensures no change to frequency response, no distortion and the absolute minimum of added noise. Between the two audio sections is a light controlled variable attenuator driven with a control current generated by the Side Chain. All signal monitoring and gain reduction drive circuits are separately routed via a six stage Side Chain: these signals do not pass through the Audio circuits and thus cannot degrade the audio performance. Operation is straight forward:
Connect Guitar using screened cable to the OC-1 INPUT.
Connect OC-1™ OUTPUT using screened cable to your Amp Input.
With OC-1™ in Bypass mode set guitar volume and tone to 100% (maximum).
Set Amp Volume and Tone to suit normal playing level.
Set all OC-1™ controls to minimum (fully counter-clockwise).
Engage OC-1™ and note that the signal level and tone as the same as when in Bypass mode IE: minimum settings create no compression or output boost.
Increase the COMP (Compression) control to approximately 50% (12 oʼclock) while playing and note the decrease in output volume and increased sustain. Increase VOLUME in small increments until the output level matches the Bypass level - compare by switching back and forth between Bypass and OC-1™.
If the sustain is too great reduce the COMP setting and also the VOLUME to again match the Bypassed level.
If more sustain is required increase the COMP setting above 50% and make corresponding increases in VOLUME to again match the Bypassed level. Actual settings will be dependent on pickup signal level, playing style and, of course, personal preference.
A further feature has been added: BLEND. This control allows you to add a small percentage of the original, uncompressed, signal to the OUTPUT. This is particularly useful when very high Compression settings have been dialed in, as a controlled amount of the original attack can still be heard together with the long sustain. Please note that the BLEND control is inactive at minimum VOLUME settings and the amount of original signal added by the BLEND control increases in relation to the compressed signal as the VOLUME is increased.
When adding the BLEND signal it will be necessary to reduce the VOLUME to maintain the overall signal level to match the Bypassed level. The VOLUME control is at the very end of the Audio signal path and is a Master Volume of the whole of the output signal in compress mode.
The OC-1™ would normally be the first device the guitar “sees” thus maintaining signal level more constant for following effects.
Dimensions: 171 X 121 X 55 mm / 6.75 X 4.75 X 2.2 inches
RFI rejecting input and bypass buffer.
Each unit is hand built, wired and tested by Pete, Lynda and Mingus Cornish.
Housed in a Rugged Die-cast box with lined control knobs.
Heavy Duty Custom made all-metal footswitch with large cap and protection ring plus Hi-Brite LED.
Easy battery replacement via a removable ʻdrawerʼ. The battery is switched on when you insert the "IN/PWR ON" jack and to ensure long battery life unplug this lead when the unit is not in use. If the unit is not to be used for a long length of time, or to be adapter powered, we recommend that you remove the battery. Preferred battery type is MN1604. Also fitted is an input for a DC adapter: the size of the coax connector is 5.5/2.1mm and the centre pin is negative (-VE). The adapter should be noise free, fully stabilised at 9V DC and capable of supplying 20mA. When multiple effects pedals are to be powered, we recommend the use of the Voodoo Lab Pedal Power 2 Plus adapter as meeting the above criteria and cannot accept any liability for damage caused to this unit by the use of, or to, any other type of DC adaptor. If only a single unit is to be powered the BOSS PSA series may be more cost effective and is also recommended.
This unit has been built using the finest available components and constructed to the highest standards but should any fault occur during the twelve months from date of purchase please return it post paid to the above address where under guarantee repairs of any original manufacturing fault will be carried out (normal wear, misuse, unauthorised modifications or accidental damage excepted). The warranty will be voided if the guarantee labels are damaged or removed. This warranty does not apply to customerʼs own equipment, which has been connected to this unit.
©Pete Cornish™ Partnership 2017