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Front Panel Controls - Application

gain. The rotary output control allows you to adjust or ‘make-up’ gain at the compressor output stage.

* Keep an eye on your VU meter to check the output signal strength!

4.7 Independent (8x) VU Meters

8 x accurate needle meters are provided for monitoring the output level of each corresponding com-
pressor module. Each meter displays scale marks from -20 to +3dB. This indicates output signal
level.

5. APPLICATION

5.1 General use of the OC8E

The OC8E is well suited to many environments requiring smooth transparent compression pro-
cessing.

The most common application would be to use the compressor on each channel of your mixer or
digital audio systems ‘insert’ connectors. Insert connectors allow you to place a processing device
such as a compressor inline with the individual channels signal path. This makes a perfect
add-on to your mixer or digital audio system.

Step by step:

Make your physical connections ...

Place your incoming signals directly into the inputs on the rear of the OC8E. Then connect the out-
puts of the OC8E to your next audio destination. Typically your inputs and outputs would be com-
ing from a mixer or pre-amps ‘insert’ connectors so that the compressor would be ‘inline’ in 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 channel ...
You can now choose to add some optical compression to your signal if desired. Select the com-
pressor on/off switch to the “on” position. Set your channels attack and release encoders to the
desired settings, and adjust the compression ratio rotary control until you are satisfied with the
result.

Adjust your output level ...

Simply adjust the rotary output control so that your output signal is at your desired level. It is
advised that you visually monitor the input signal level on the destination device you are sending
signal to when making output level adjustments.

5.2 PR8IIA - Optional ADAT output module (also known as EP84ADAT)

The PR8IIA is an optional output module that can be fitted to the OC8E to provide pristine 24 bit
digital conversion of your OC8E’s output channels to an ADAT digital format stream. Perfect for use
with ADAT compatible mixers, multi-track recorders, ADAT PC audio cards, or other professional
ADAT compatible devices, the PR8IIA upgrades your OC8E to fit seamlessly into the digital world.

Содержание OC8E

Страница 1: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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