SM Pro Audio PM8 Operating Manual Download Page 7

7

Installation

3.4 Audio Connections

Analog Inputs – Combo, Input Link 25pin D-sub

The PM8 features 8 x combo (XLR & TS) connectors and 1 x 25pin (Input Link) 8-channel D-sub
connector as channel input connectivity options. Typically you would connect the outputs of your
digital audio workstation to your preferred input type. 

Combo connectors

The combo connectors accept either XLR or ¼” TRS connector types. 

25pin D-Sub ‘Input Link’ connector

The 25pin D-sub connector is wired in a standard Tascam/Digidesign pin con-
figuration. It allows for 8 channels of audio to be connected directly. This is
extremely handy for users who have compatible hardware and can take advan-
tage of the convenience of a single cable connection delivering 8 channels of
audio. Perfect for simple connection and for keeping the studio neat and tidy!

* The D-sub ‘Input Link’ signal path is in-line with the Combo input connectors. Both inputs will actu-
ally function simultaneously. Take care with your mixing if you have active signal passing to both
connectors.

Analog outputs – Passive Output, Master 1, Master 2

3 x XLR stereo pair outputs are provided. These outputs deliver the 2 channel summed audio material.

Passive Output

The ‘Passive Output’ is provided
for pure passive transparent mix-
ing without any discernable audio
coloration that electronic circuits
can sometimes exhibit. Typically users will want to connect this output pair to a high quality 2-channel
microphone preamplifier to help compensate for the inherent 20-30dB of signal strength lost during the
passive attenuation and summing process.

Master 1

The Master 1 output pair is a stereo balanced XLR pair delivering the summed signal of the 8 con-
nected input signals. An internal elec24dB ‘make-up’ gain stage is provided to help compensate
for the inherent loss of signal strength during the passive attenuation and summing process. Volume
attenuation is provided for these outputs via rotating the ‘Master 1’ volume attenuator on the front panel.

Master 2

The Master 2 output pair is a stereo balanced XLR pair delivering the summed signal of the 8 con-
nected input signals. An internal elec24dB ‘make-up’ gain stage is provided to help compensate
for the inherent loss of signal strength during the passive attenuation and summing process. Volume
attenuation is provided for these outputs via rotating the ‘Master 2’ volume attenuator on the front panel.

PM8 rear panel

Summary of Contents for PM8

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: ...M8 is a stand alone unit designed to passively sum up to 8 audio channel outputs from a dig ital workstation to a stereo mix A 24dB internal make up gain stage is provided for two of the three independent stereo outputs with a pure passive output also available for users wishing to provide their own make up gain device With pan mute and variable volume attenuation controls mixing through the PM8 n...

Page 4: ... Link 25pin D sub 7 Analog outputs Passive Output Master 1 Master 2 7 4 FRONT PANEL CONTROLS INDICATORS 8 4 1 Independent 8x rotary volume attenuation controls 8 4 2 Independent 8x LED enabled mute switches 8 4 3 Independent 8x rotary pan controls 8 4 4 Master 1 2 volume attenuator controls 8 5 APPLICATION 8 5 1 General use of the PM8 8 6 SPECIFICATIONS 10 Inputs 10 Outputs 10 Power 10 7 WARRANTY ...

Page 5: ... Your SM Pro Audio PM8 was carefully packed in the factory and the packaging was designed to protect the unit from rough handling Nevertheless we recommend that you carefully examine the packaging and its contents for any signs of physical damage which may have occurred in transit If you happen to receive a damaged unit please notify your dealer and the shipping company immediately 3 1 What s incl...

Page 6: ...nected to a make up gain stage device such as a quality 2 channel outboard microphone pre amplifier If you will be using the PM8 s built in make up stage 24dB outputs Master 1 2 output pairs then power will be required Power on off switch LED power indicator The PM8 s power switch can be found on the right hand side of the front panel To enable power to the PM8 or turn on simply place the power on...

Page 7: ...e provided These outputs deliver the 2 channel summed audio material Passive Output The Passive Output is provided for pure passive transparent mix ing without any discernable audio coloration that electronic circuits can sometimes exhibit Typically users will want to connect this output pair to a high quality 2 channel microphone preamplifier to help compensate for the inherent 20 30dB of signal ...

Page 8: ...summed signal appearing at both the Master 1 and Passive outputs It offers precise level adjustments within 1dB from 0 to 40dB Master 2 volume attenuator control The Master 2 volume attenuator provided volume attenuation to the stereo summed signal appearing at the Master 2 output It offers precise level adjustments within 1dB from 0 to 40dB 5 APPLICATION 5 1 General use of the PM8 Make the necess...

Page 9: ... comprises of 16 tracks of drums bass guitars keyboards and vocals During mix down of your previous sessions you may have simply mixed down within Cubase to two additional internal tracks or even sent the final stereo mix out the 1 2 individual outputs or digital output to your mix down recording device DAT 2 track analog master recorder etc This method relies on your software summing internally t...

Page 10: ...1 level attenuator to an acceptable level for your desired 2 track recording device to accept By mixing this way through the PM8 you will have minimized some of the digital summing effects of your Cubase workstation Like many other audio professionals before you we believe you too will be astonished once you hear the difference 6 SPECIFICATIONS INPUTS Input channels 8 Connector COMBO XLR TRS 25pin...

Page 11: ...in the warranty 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...

Page 12: ... 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 13: ...ject to change without notice ALL RIGHTS RESERVED 2006 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 13 Legal Notice ...

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