SM ProAudio OC8E Operating Manual Download Page 6

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Installation

Sturdy rack mounting ears are present on each side of the OC8E’s front panel. Simply mount the
OC8E into an available 2 rack-space position and secure with rack-mount bolts/screws.

* Note: Please take into consideration ventilation of your equipment. A well-ventilated equipment
rack will ensure optimum operation and longevity of your equipment. It’s often a good idea to leave
1 free rack-bay position between your equipment to allow ventilation As to avoid overheating,
please do not place the OC8E on high temperature devices such as power amplifiers.

3.3 Mains Voltage & front panel power switch

Mains Voltage

Important - Before you connect your OC8E to the mains power supply, please make sure that your
local voltage matches the voltage required by the unit!

The OC8E has a professional internal power supply suitable for operation between AC 110/115v –
AC 220/230/240v. A voltage configuration switch on the left hand side of the rear panel should be
set to match the appropriate voltage of your mains power supply. Simply slide the selector switch
with your finger or a small flat-blade screwdriver to either the 110v or 220v position to configure the
unit accordingly.

To connect the OC8E to your mains power source simply connect the included standard IEC mains
power cable to the OC8E’s three (3) pin power connector socket.

Power on/off switch & LED power indicator

The OC8E’s power switch can be found on the right hand side of the front panel. To enable power
to the OC8E or ‘turn on” simply place the power on/off switch into the down position. The LED power
indicator will illuminate to indicate the OC8E’s operational state as ‘on’ and ready for operation.

To power down or ‘turn off’ the OC8E, simply place the power on/off switch into the up position. The
LED power indicator will not illuminate to indicate the OC8E’s operational state as ‘off’.

* It’s always good practice to protect your ears, and other audio equipment by taking appropriate
care when powering up any audio equipment. Being aware of your gain structure, and performing
a structured power up sequence with your equipment will help to avoid unexpected audio signals
bursts. It’s a good idea to power up devices in sequence from the start of the signal chain to the
end of the signal chain (OC8E -> recording device -> power amplifier/active monitors).

3.4 Audio Connections

Analog Inputs

8 x ¼” TS input connectors can be found on the rear panel. These are the direct analog inputs
to the OC8E’s 8 x individual compressor modules. Input your audio source material directly to
these inputs.

OC8E rear panel

Summary of Contents for OC8E

Page 1: ......

Page 2: ...nding and Polarization Never defeat the products power grounding means Power Cord Protection Power supply cords should be connected or placed in a fashion that could allow possible exposure to damage Take care to avoid wear and tear rubbing squashing etc Cleaning The product should be cleaned only with a soft cloth Do not use any corrosive products on the unit Inactivity The power cord of the prod...

Page 3: ...C8E Main Features The OC8E is a professional multi channel optical compressor featuring 8 x fast electro optical compressor modules 8 x VU Meters output meter Adjustable attack release and compression threshold Low noise wide bandwidth and superior transient response Class A transformerless high voltage signal path Bypass on switch per channel Peak LED indicator per channel input peak 1 4 line lev...

Page 4: ...endent 8x comp on off bypass switches 7 4 2 Independent 8x peak led indicators 7 4 3 Independent 8x rotary compression threshold encoders led indicator 7 4 4 Independent 8x rotary attack encoders 7 4 5 Independent 8x rotary release encoders 7 4 6 Independent 8x rotary output encoders 7 4 7 Independent 8x VU Meters 8 5 APPLICATION 8 5 1 General use of the OC8E 8 5 2 PR8IIA Optional ADAT output modu...

Page 5: ...ard is perfect for users wanting to interface or add eight 8 additional channels of quality pre amplification to a vari ety of digital devices such as digital mixers audio recording interfaces etc 2 THE DESIGN 2 1 High quality components and design The philosophy behind SM Pro Audio products guarantees a no compromise circuit design and fault tolerant component selection All SM Pro Audio products ...

Page 6: ... To connect the OC8E to your mains power source simply connect the included standard IEC mains power cable to the OC8E s three 3 pin power connector socket Power on off switch LED power indicator The OC8E s power switch can be found on the right hand side of the front panel To enable power to the OC8E or turn on simply place the power on off switch into the down position The LED power indicator wi...

Page 7: ...en input level exceeds the threshold attenuation of the output signal occurs A tri state LED is available which indicates the following Green Compressor module active Yellow Orange mild compression input signal has exceeded the threshold level Red heavy compression signal level has exceeded the threshold setting considerably 4 4 Independent 8x rotary attack encoders The rotary attack controls allo...

Page 8: ...n your signal path Set your input gain control The incoming signal strength cannot be adjusted on the OC8E It must me set prior to arriving at the units inputs View the LED meter to analyze the incoming signal strength in dB This allows you a good visual indicator so you can adjust your signal from the source ie mixer gain preamplifier gain control Apply the desired compression settings for each c...

Page 9: ...lock I O connections and a sample rate selector switch 44 1 48kHz Note Both analog outputs from the OC8E and the PR8IIA s ADAT digital output function simul taneously 6 SPECIFICATIONS LINE INPUTS Connector TS jack Type unbalanced LINE OUTPUTS Connector TS jack Type unbalanced FREQUENCY RESPONSE Line in 6Hz to 20Hz within 1dB COMPRESSOR Photoresistive servo operated Ratio minimum 1 5 to 1 Ratio max...

Page 10: ...nty period This warranty does not apply if the product has been damaged by negligence non authorized mod ifications accident abuse misuse misapplication or as a result of unauthorized service other than performed by that of SM Pro Audio s service department All freight charges incurred for transport of justified warranty claims are at the buyer s expense All other warranty claims other than those ...

Page 11: ... This warranty does not cover defects of parts caused by normal operational wear These parts are typically switches knobs and other similar components Product damage caused by the following conditions are not covered by this warranty Operation of the unit in a way that does not comply with the safety regulations applicable in the country where the product is used Damages or defects caused by condi...

Page 12: ...hange without notice ALL RIGHTS RESERVED 2007 SM Pro Audio SM Pro Audio Service Department Warehouse 25 Roberna Business Park 26 28 Roberna St Moorabbin 3189 Melbourne Victoria Australia PH 61 3 9555 8081 FAX 61 3 9555 8083 www smproaudio com 12 Legal Notice ...

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