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Sigma

Remote-Controlled Analogue Mix Engine

User Guide

Sigma.

This is SSL.

www.solid-state-logic.com

Summary of Contents for Sigma

Page 1: ...Sigma Remote Controlled Analogue Mix Engine User Guide Sigma This is SSL www solid state logic com ...

Page 2: ...2 3 Install Flash 12 Sigma s Internal Software 12 4 Network Setup 13 General 13 Sigma s IP Address 13 Useful Built In Features 13 Network Connection Examples 14 1 Fixed IP Direct Connection 14 2 Router and Switch Connection using DHCP Allows Access to Internet 16 3 Connection in a facility that has multiple SSL Consoles Multiple ipMIDI devices 18 Controlling Sigma With A Tablet Smartphone 18 Conne...

Page 3: ...s Session Setup 37 Pro Tools Sigma Nucleus or any standard HUI Control Surface 38 Sigma Browser Settings 38 Pro Tools Settings 39 Pro Tools Session Setup 40 Pro Tools Sigma Avid Artist Series Control Surface Eucon 41 Sigma Browser Settings 41 Pro Tools Settings 42 Artist Controller Settings 42 Pro Tools Session Setup 43 Logic Sigma No Control Surface 44 Sigma Browser Settings 44 Logic Settings 45 ...

Page 4: ...Surface Eucon 58 Sigma Browser Settings 58 Cubase Nuendo Settings 59 Artist Controller Settings 60 Cubase Nuendo Session Setup 60 Ableton Live Sigma No Control Surface 61 Sigma Browser Settings 61 Ableton Live Settings 62 Ableton Live Session Setup 62 Ableton Live Sigma With MCU Control Surface 63 Using Sigma with other DAWs 63 Sigma Browser Settings 63 Session Setup 64 Using Two Sigmas together 6...

Page 5: ...B mix bus insert points comprehensive monitoring a talkback input and customisable user buttons The idea of Sigma was to bring the sound of an SSL console together with all the workflow advantages of mixing in a DAW Sigma is built upon the same Superanalogue technology as our Duality and AWS consoles Superanalogue circuit design gives you an extended frequency response precise stereo imaging clari...

Page 6: ...ntended to give a graphical representation of how DAW automation controls Sigma s analogue gains 1 Automation data is generated in the DAW 2 This data is sent over the ethernet cable from your computer into Sigma via the relevant protocol HUI MCU MIDI 3 Sigma takes the DAW automation and transforms it into analogue gain changes This is done using MDAC technology Think of MDACs as the virtual fader...

Page 7: ... gear Ext input Control surface Ethernet switch Digital audio to and from DAW Mix outputs from Sigma printing back into DAW Converters Analogue outboard if present H P line level feed to live room H P output Alt Mon output Main Mon output Ethernet router Automation control data over Ethernet Analogue Audio Analogue Inputs to Sigma ...

Page 8: ...safety reasons do not reboot Sigma with while monitoring through headphones iJack Input stereo external input on 1 8 jack from iPod output or similar device Sigma also provides access to Mix Insert Send Returns a Line Level output for sending headphone feeds into a live room an external input and talkback input all on standard DB 25 connections Access to the Main Speaker Outputs Alternative Speake...

Page 9: ...ded power supply the clip above the power inlet should be used to retain the power lead and so prevent accidental removal or damage rJ45 Use a standard Ethernet cable as supplied to connect Sigma to your computer network USb and ProG The USB socket and PROG switch are for SSL diagnostic use and should not be connect or used Alternate Monitor Output Main Monitor Output Mix A Output Footswitch Input...

Page 10: ...end signals of both Mix Bus A and MIx Bus B H P Provides a line level stereo headphone output suitable for running a headphone feed into a cue mixer eXT rTNS T b D sub to XLR F Loom ConnectorType 25 way D type Female Pin Description 1 n c XLR 8 14 n c 2 0V 15 Talkback Mic Input ve XLR 7 3 Talkback Mic Input ve 16 0V 4 Mix B Insert Return Right ve XLR 6 17 Mix B Insert Return Right ve 5 0V 18 Mix B...

Page 11: ...serial number which you will find on the white label on the rear of your Sigma unit ipmIDI Installation macintosh After downloading the Sigma Mac Support File from the Downloads section install the ipMIDI dmg file Note that you will be asked to logout and in again once you have completed the installation Once you have logged back in open Audio mIDI Setup in the Utilities folder on your Mac and dou...

Page 12: ...Important Please check the SSL website for tested web browser versions and compatability Out of the box Sigma comes preconfigured with a fixed IP address This can be changed to DHCP in the settings if required Therefore the first time you connect to Sigma should be through a direct ethernet connection between Sigma and your computer see Network setup information for more information 3 INSTALL FLAS...

Page 13: ...108 an eight port switch has been used successfully at SSL Begbroke You can purchase a pre configured LAN Integration Network Switch from the SSL web store See setup example 3 for more details Sigma s IP Address By default Sigma uses a fixed IP address of 192 168 1 201 sigmaweb Alternatively Sigma can be set to use a dynamically assigned DHCP address if your installation precludes a simple direct ...

Page 14: ...puters with multiple Ethernet ports can only use one of those ports at any one time If you are using a macintosh computer you should ensure that Airport is switched off we strongly recommend this as Airport is known to cause conflicts with ipmIDI data and may stop Sigma from working If you wish to use the internet we suggest you configure Sigma with a router Switch see example 2 DAW Computer Ether...

Page 15: ... in the 192 168 1 X range with a Subnet of 255 255 255 0 X should be a number between 3 and 254 Make sure that the X number is not the same as Sigma s address and or any other device on the network Network Connection Configuration windows Go to Network and go into Local Area Connection Properties Open up the option Internet Protocol version 4 TCP IPv4 Select Use the following IP address and then f...

Page 16: ...Internet router acts as a DHCP server dynamically assigning IP addresses to all the devices on your network The simplest configuration would be as follows If you have more devices that you need to connect on your network adding an Ethernet switch will allow more things to be connected Internet Ethernet router Network connections DAW Computer Internet Ethernet router Ethernet switch Control surface...

Page 17: ...ferences and click on the Network icon Set Configure IPv4 to Using DHCP Network Connection Configuration windows Go to Network and go into Local Area Connection Properties Open up the option Internet Protocol version 4 TCP IPv4 Choose the option obtain an IP address automatically ...

Page 18: ...em and allowing uplinking in a multi room facility Please visit the following link for more details and a picture example store solidstatelogic com catalog 36 CoNTroLLING SIGmA wITH A TAbLeT SmArTPHoNe You can use a tablet smartphone device to control Sigma by using it to access the web browser Before attempting to connect your tablet to Sigma please ensure that you have established Sigma on your ...

Page 19: ...Page 19 2 Launch web browser and type in Sigma s static IP address 192 168 1 201 sigmaweb DHCP Network 1 Connect your iPad to your wireless router in Settings wI FI ...

Page 20: ...lease be aware that My Devices is an iPhone app that also works on iPad So in the iPad app store make sure your search is set to iPhone Apps not iPad apps 3 Go to Settings myDevices on your iPad Ensure that all Device Filters are oFF Turn Use Safari oN in web view 4 Launch app and and select your SSL Sigma device on the network ...

Page 21: ...r Sigma s name followed by local sigmaweb Spaces should be filled with an _ Alternatively you can type the actual IP address that Sigma is currently assigned to into your browser s address bar Press and hold the first User button on the front panel and whilst keeping this held down press the second User button Sigma will use the front panel LEDs to readout the IP address it is set to It is recomme...

Page 22: ...d IP address 192 168 1 201 sigmaweb The first time you connect to Sigma must be through a Fixed IP connection between Sigma and your computer Once connected you may change the Fixed IP address on the SeTTINGS page For instance if you change the fixed IP address to 192 168 1 209 you would then need to type in 192 168 1 209 sigmaweb to access Sigma upon restarting ...

Page 23: ...the unit use the following steps to connect to Sigma macintosh Users must use Safari 1 Launch Safari 2 In Safari go to Preferences Bookmarks and click Include Bonjour in the Bookmarks Bar 3 Bonjour should now appear in your bookmarks bar in Safari 4 Select your SSL Sigma from the list and Safari will navigate to the Sigma pages ...

Page 24: ...Page 24 windows Users 1 Go to your PC s Network settings 2 Sigma will be listed under Other Devices Double click on the icon and it will load your web browser to the Sigma pages ...

Page 25: ...owSer INTerFACe Once connected you have access to all of Sigma s functions using the web browser which is arranged as follows Status bar Buttons for each of Sigma s three main pages Buttons for saving recalling settings ...

Page 26: ...or you could use this function with one Sigma to create a parallel compression effect using the compressor s output level to control the amount of compressed signal present Level Control The front panel of Sigma has a blue rotary encoder surrounded by an LED ring Pushing the encoder in will cycle through the options moN H P mIX A and mIX b enabling independent level control of each one moN Main Al...

Page 27: ...s a final step you can send the output of this stem out of your DAW into the EXT input of Sigma to monitor your printed mix post D A conversion eNGAGe b To A FUNCTIoN mIX A oUTPUT ANALoGUe ProCeSSING DAw INPUT Final Step DAw oUTPUT eXT INPUT oF SIGmA moNITor eXT INPUT USer buttons Two User buttons on the front panel allow you to assign up to four functions Each button has a Push and a Push Hold op...

Page 28: ...t for Sigma to receive MIDI CC messages through Follow the onscreen instructions to learn un learn functions Assignable MIDI Learn functions include FooTSwITCH On the rear panel of Sigma you will find a footswitch input suitable for a 1 4 on off latching or non latching footswitch SSL tested with a Digitech FS300 non latching and a standard Marshall guitar footswitch latching By default the footsw...

Page 29: ...annel This is the analogue fader gain readout for each channel and is useful for checking that the DAW s faders are controlling the analogue gains of Sigma Sigma has 2 mix busses A and b Each channel can be routed to either or both busses using the mIX A and mIX b buttons Each channel can be renamed simply by clicking in and typing in the relevant box The SoLo button performs a solo in place cutti...

Page 30: ...A mIX b Assigns de assigns all channels to Mix Bus B SoLo SAFe This button enables you to protect channels in Sigma from cutting when a solo is made For instance you may not want your vocal reverb on channel 16 to be cut when soloing the dry vocal on channel 15 To configure a channel as solo safed simply enable the SAFe button and then click or touch if using a tablet on a channel s SoLo button Th...

Page 31: ...one Sigma DAw ProToCoL SeLeCTIoN This must be set in order to allow Sigma to correctly translate automation data from the DAW There are five options Pro Tools HUI Logic mCU Cubase Nuendo mCU Ableton mCU mIDI See Chapter 6 Example Setups for more information on which one to choose for your setup ipmIDI Ports CHANNeLS 1 8 Select the ipMIDI Port number to match your first HUI MCU unit in your DAW CHA...

Page 32: ...HAke enabled and when to have it disabled If you have two HUI devices such as a Nucleus and Sigma connected on your network then only one of them needs to perform the handshaking If both are handshaking this may cause problems In general Leave HANDSHAke enabled button lights green if there are no other HUI devices on your network apart from Sigma DISAbLe HANDSHAke Leave HANDSHAKE enabled button li...

Page 33: ...gma will automatically switch the monitor source selection to Mix Bus B when soloing in this mode AFL is useful when you want to solo a channel just to check something whilst printing a mix back into the DAW If you were to use SIP you would disrupt the printing process as soloing in this mode mutes all other channels Please note that if you are operating Sigma in AFL Solo Mode you will be unable t...

Page 34: ...used to update Sigma s software will be available from the SSL website Go to the Sigma product page and go to the Downloads tab to login and download After downloading the bin file Click on the SoFTwAre UPDATe button in the SeTTINGS page of the web browser and locate the downloaded bin file Follow the onscreen instructions IMPORTANT After updating your Sigma software and restarting you will need t...

Page 35: ...D LoAD bUTToNS The SAve button will save all of Sigma s settings across the three main pages mAIN CHANNeLS and SeTTINGS Upon clicking the SAve button you will be presented with a pop up asking you to name the file and choose a destination on your computer network The LoAD button enables you to recall a previously saved Sigma setup Upon clicking the LoAD button you will be prompted to locate a save...

Page 36: ...relevant sections if you have not already done this Pro TooLS SIGmA No CoNTroL SUrFACe In this example we will configure Sigma to work with Pro Tools on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to Pro TooLS HUI from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to ipmIDI Port 2 4 Enable the DAw HA...

Page 37: ...on these 16 tracks will control the analogue signal gains of Sigma 4 Your existing tracks with audio recorded to them should be routed out of different outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit Notes These 16 audio tracks must be positioned as the first 16 in the session as the HUI MCU protocols di...

Page 38: ...k in your DAW will drive the first analogue channel of Sigma not what we want To solve this problem we have provided a mIDI automation mode as found in our Matrix console This mode works by using MIDI tracks in your session to control the analogue gains directly rather than over the HUI MCU protocols Therefore banking does not have any unwanted effects on the automation data Sigma browser Settings...

Page 39: ...trollers configured as you would normally for your Nucleus or HUI controller e g The screenshot shows a Nucleus setup for use on DAW Layer 1 Note that with this setup this is not how the analogue gains of Sigma are driven That will be done over the MIDI tracks in the following steps ...

Page 40: ... appropriate Sigma inputs channels just like you would do with any normal summing unit 7 You will need to move the MIDI faders before their levels are picked up by Sigma 8 We recommend you use Pro Tools Solo Safe feature to Solo Safe the 16 MIDI tracks This will ensure that when you solo one of your audio tracks in Pro Tools the automation data will still be read Tip When using MIDI Absolute the v...

Page 41: ...y When using a Eucon control surface banking is done in the Eucon domain and does not affect automation streams on Sigma In this example we will configure Sigma to work with Pro Tools on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to Pro TooLS HUI from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to...

Page 42: ...mIDI Controllers 3 Set the first row to type HUI with receive From and Send To both set to ipmIDI Port 1 4 Set the second row to type HUI with ipmIDI Port 2 5 Click ok to confirm Artist Controller Settings Leave your Eucon settings the same in the ethernet Controllers tab ...

Page 43: ...erface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit Notes These 16 audio tracks must be positioned as the first 16 in the session as the HUI MCU protocols dictate this Pan information is not read you must set the pan in the CHANNELS page of Sigma browser Tip You probably want to rename these Audio Tracks to meaningful names such as ...

Page 44: ...k with Logic on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to LoGIC mCU from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to ipmIDI Port 2 4 Enable the DAw HANDSHAke button lights green ...

Page 45: ...t Port and Input Port to Port 1 6 Now select a mackie Designs mackie Control extender from the list and click Add 7 Set the output Port and Input Port to Port 2 Important Please ensure you are selecting the Mackie Designs Mackie Control Surface and NOT the Mackie Designs Logic Control Surface The Logic Control Surface sends different messages and Sigma will not respond to these ...

Page 46: ...4 It is recommended to set the Logic Mixer to Arrange view mode This will ensure that the first 16 control tracks always correspond to Sigma s 16 analogue gains If using Instruments tracks with Multi Outputs also ensure that the Link button is disabled to prevent Logic automatically switching back to the All view mode when you click on an instrument Notes These 16 audio tracks must be positioned a...

Page 47: ...nking commands of a control surface to remain separate from the automation streams controlling Sigma Using this method when you press bank on your control surface the automation streams into Sigma do not follow the banking command Sigma browser Settings We ll set up Sigma on ipMIDI channels 1 2 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to LoGIC mCU from the drop down box 3 ...

Page 48: ...esigns Logic Control Surface The Logic Control Surface sends different messages and Sigma will not respond to these Now we ll set up Nucleus for operation on DAW Layer 2 3 Choose New and then Install 4 Select a mackie Designs mackie Control and click Add 5 Set output Port and Input Port to Port 3 6 Select a mackie Designs mackie Control extender and click Add 7 Set output Port and Input Port to Po...

Page 49: ...t outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit 4 It is recommended to set the Logic Mixer to Arrange view mode This ensures that the first 16 control tracks always correspond to Sigma s 16 analogue gains If using Instrument tracks with Multi Outputs also ensure that the Link button is disabled to prev...

Page 50: ...n this example we will configure Sigma to work with Logic on ipMIDI channels 1 and 2 Sigma browser Settings We will set up Sigma to work on ipMIDI channels 1 2 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to LoGIC mCU from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to ipmIDI Port 2 Artist Controller Settings You should not be required to set up...

Page 51: ...k Add 5 Set the output Port and Input Port to Port 1 6 Now select a mackie Designs mackie Control extender from the list and click Add 7 Set the output Port and Input Port to Port 2 Important Please ensure you are selecting the Mackie Designs Mackie Control Surface and NOT the Mackie Designs Logic Control Surface The Logic Control Surface sends different messages and Sigma will not respond to thes...

Page 52: ...t is recommended to set the Logic Mixer to Arrange view mode This will ensure that the first 16 control tracks always correspond to Sigma s 16 analogue gains If using Instruments tracks with Multi Outputs also ensure that the Link button is disabled to prevent Logic automatically switching back to the All view mode when you click on an instrument Notes These 16 audio tracks must be positioned as t...

Page 53: ...ure Sigma to work with Cubase Nuendo on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set the DAw ProToCoL to be CUbASe NUeNDo mCU from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to ipmIDI Port 2 ...

Page 54: ...itioned as the first 16 tracks of the session Any volume automation data or fader movements on these 16 tracks will control the analogue gains of Sigma 4 Your existing tracks with audio recorded to them should be routed out of different outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit Notes These 16 audio...

Page 55: ...from the second track in your DAW will drive the first analogue channel of Sigma not what we want To solve this problem we have provided a mIDI automation mode as found in our Matrix console This mode works by using MIDI tracks in your session to control the analogue gains directly rather than over the HUI MCU protocols Therefore banking does not have any unwanted effects on the automation data Si...

Page 56: ... Controllers configured as you would normally for your Nucleus or MCU controller e g The screenshot shows a Nucleus setup for use on DAW Layer 1 Note that with this setup this is not how the analogue gains of Sigma are driven That will be done over the MIDI tracks in the following steps ...

Page 57: ... Your existing tracks with audio recorded to them should be routed out of different outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit 6 You will need to move the MIDI faders before their levels are picked up by Sigma Tip When using MIDI Absolute the volume information is being sent discreetly from the outp...

Page 58: ...imultaneously When using a Eucon control surface banking is done in the Eucon domain and does not affect automation streams on Sigma In this example we will configure Sigma to work with Pro Tools on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set the DAw ProToCoL to be CUbASe NUeNDo mCU from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 a...

Page 59: ...section 3 Click the button to add in a mackie Control Set the mIDI Input and mIDI output Ports to ipmIDI Port 2 Cubase requires the ipMIDI ports to be configured in reverse order 4 Click the button to add in a second mackie Control Set the mIDI Input and mIDI output Ports to ipmIDI Port 1 5 Click Apply and click ok ...

Page 60: ...tracks will control the analogue gains of Sigma 4 Your existing tracks with audio recorded to them should be routed out of different outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit Notes These 16 audio tracks must be positioned as the first 16 in the session as the HUI MCU protocols dictate this Pan info...

Page 61: ...re Sigma to work with Ableton Live on ipMIDI channels 1 and 2 Sigma browser Settings 1 Go to the SeTTINGS page in the Sigma browser 2 Set DAw ProToCoL to AbLeToN mCU from the drop down box 3 Set CHANNeLS 1 8 to ipmIDI Port 1 and set CHANNeLS 9 16 to ipmIDI Port 2 Page 61 ...

Page 62: ...sion Any volume automation data or fader movements on these 16 tracks will control the analogue gains of Sigma 4 Your existing tracks with audio recorded to them should be routed out of different outputs on your audio interface which will then feed the appropriate Sigma inputs channels just like you would do with any normal summing unit Notes These 16 audio tracks must be positioned as the first 1...

Page 63: ...s mode will work for any DAW that supports MIDI channels with faders It works by using MIDI tracks in your session to control the analogue gains directly rather than over the HUI MCU protocols This also means that if you have a control surface banking does not have any unwanted effects on the automation data Sigma browser Settings 1 Go to the Settings page in the Sigma browser 2 Set DAw ProToCoL t...

Page 64: ...do with any normal summing unit 7 You will need to move the MIDI faders before their levels are picked up by Sigma 8 We recommend you use Pro Tools Solo Safe feature to Solo Safe the 16 MIDI tracks This will ensure that when you solo one of your audio tracks in Pro Tools the automation data will still be read Tip When using MIDI Absolute the volume information is being sent discreetly from the out...

Page 65: ...ion would then control the analogue gains If using MIDI Absolute each Sigma should be set to different ipMIDI Ports for example Sigma 1 Set to Port 9 Sigma 2 Set to Port 10 If using MIDI Absolute you will need to create 32 MIDI tracks with the first 16 channels set to Port 9 and the second 16 channels set to Port 10 TIP A good way of linking the audio from two Sigmas is using the SUM feature on th...

Page 66: ...8 0V 21 Mix A Insert Return Left ve XLR 3 9 Mix A Insert Return Left ve 22 0V 10 External Input Right ve XLR 2 23 External Input Right ve 11 0V 24 External Input Left ve XLR 1 12 External Input Left ve 25 0V 13 n c mIX b SeNDS H P D sub to XLR M Loom Connector Type 25 way D type Female Pin Description 1 Headphone Right ve line level XLR 8 14 Headphone Right ve line level 2 0V 15 Headphone Left ve ...

Page 67: ...Page 67 APPeNDIX b SIGNAL FLow bLoCk DIAGrAm ...

Page 68: ...mation for the entire SSL WPP range is always available through our online support site www solidstatelogic com support If you can t find the answer or solution for your particular issue questions and queries can be submitted to our support staff ...

Page 69: ...are The SoFTwAre UPDATe button found in the SeTTINGS page of the web browser is used to update Sigma s internal software You must have the ethernet cable connected to perform the update Below the button you will see the current version of Sigma software you are running There may be infrequent updates provided for Sigma The bin file used to update Sigma s software will be available from the SSL web...

Page 70: ...eos for replacing Sigma s hardware Revision 1 0 Sheet 1 of 1 Sigma Internal Wiring Diagram Drg No Symbol Key Connector Label name Analogue Audio Digital Data 629160X1 Main Card 629160X1 Connector Card PL1B PL3B PL1A PL3A PL5 PL7 SK5 SK7 626140X1 CPU 629161X1 Jack Card PL2B 629161X1 Display Card PL2A ...

Page 71: ... shipping All units should be shipped to Solid State Logic in suitable rigid packaging Solid State Logic cannot be held responsible for any damage caused by shipping units in other packaging In such cases Solid State Logic will return the unit in a suitable box which you will be charged for Do not include the power cable manual or any other items Solid State Logic can not guarantee to return them ...

Page 72: ...and are hereby acknowledged No part of this publication may be reproduced in any form or by any means whether mechanical or electronic without the written permission of Solid State Logic Oxford OX5 1RU England As research and development is a continual process Solid State Logic reserves the right to change the features and specifications described herein without notice or obligation Solid State Lo...

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