Analog Multichannel like ProLogic and ProLogic 2 (II) which professional Models

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All processor devices compatible to "AC-3" (Dolby digital) and DTS need for processing of analog stereo signals an additional integrated analogue to digital converter (ADC), which reduce the quality in sound by older movies and concert recordings, where the additional channels are implemented in the stereo channels.
Therefore I am looking for vintage professional equipment concerning "only analog" multichannel processing for surround sound home cinema applictions.

I have found follow integrated circuits from various silicon manufacturers:

Dolby Pro Logic ICs:
Analog Devices (formerly SSM - Solid State Music)
SSM2125 (Premium Grade), SSM2126 (Standart Grade)
JRC - New Japan Radio Company
NJM2177L NJW1102 NJW1102FG1 NJW1106 NJW1106FC2-80 NJW1106FC2 NJW1104 NJW1104FC2-80 NJW1104FC2 NJW1102A NJW1102AF1 NJM2177 [NJM2177 NJM2177A NJM2177L NJM2177AL NJM2177FB3 NJM2177AFB3]
Micronas
MSP34X2G 96kHz DIR + Dolby Digital / Pro Logic II / DTS decoder + Sub DSP
MSP34X2G pdf, MSP34X2G description, MSP34X2G datasheets, MSP34X2G view ::: ALLDATASHEET :::
NPC - Seiko NPC Corporation
SM5851AF
Renesas/Mitsubishi
M62463AFP M62462FP M62464AFP M69032P
µÚÒ»¼þ×÷Æ· - ÒôÏìDIYÂÛ̳ - ÖйúÒôÏìDIY
http://www.ic72.com/pdf_file/5pdf/M69032.pdf
Sanyo Semicon Device
LV1035M LV1041 Sanyo LV1050M virtual surround
Sony Semiconductors
CXD2719Q CXD2720Q-2 CXD2724AQ-1 CXD2724AQ-3 CXD2728Q

Dolby ProLogic-II ICs:
JRC - New Japan Radio Company
NJU26203 NJU26203V NJU26203A NJU26203AV
Mitsubishi Electric Semiconductor
M62465FP

Digital Multichannel integrated circuits
YAMAHA CORPORATION
YSS912C
YSS932 Dolby Pro Logic Surround Decoder with Discrete 5.1ch Analog Input
Sanyo Electric Co.,Ltd.
QS7777 QS7777PF QS7777CF QSurround 3D Virtual Audio Processor for
FUJITSU [Fujitsu Media Devices Limited]
MB86342B Dolby Digital (AC-3) Decoder LSI
ST Microelectronics
STI4600 6 CHANNEL DOLBY AC-3 MPEG1/2 AUDIO DECODER
NXP (formerly Philips Components)
SAA7710T
NE5241D / N Dolby ADM digital audio decoder
Mitsubishi Electric Semiconductor
M62460FP 16 3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder
Nippon Precision Circuits Inc
QS7777 QS7777PF QS7777CF QS7779PM QS7779CM

DTS and others - for custom made software:
CS494xx Family : Multi-Standard Audio Decoder DSPs

source: alldatasheet and
SM5851AF_820343.PDF Datasheet Download --- IC-ON-LINE

I want to know the older professional models, that support only the Dolby Pro Logic and the Dolby Pro Logic-II formats (Lexicon, JBL and so on).
Thank you for your advices.
 
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in the meantime I have find out any devices:
Lexicon "CP-3" Dolby ProLogic-I Processor
http://static.hometheaterforum.com/imgre…LL-P1010025.JPG
http://rewindaudio.com/wp-content/upload…R-BACK-MAIN.jpg
http://i.ebayimg.com/00/$%28KGrHqN,!hcE1hm%29HF8yBNmTU7%28ml!~~_35.JPG
http://elektrotanya.com/jbl_lexicon_cp-3…f/download.html
http://www.elec-intro.com/lexicon-cp

JBL ESC200 with NJM2177L
http://www.audioheritage.org/vbulletin/a…81&d=1163731635
http://de.nodevice.com/manual/newmans/jb…f/get46821.html
http://www.mikrocontroller.net/attachment/75525/Plan_3.png
http://www.mikrocontroller.net/topic/175082
http://www.bidorbuy.co.za/item/7103368/_JBL_ESC_200_Model_Hometheatre_5_1_Ch_Speaker_system.html

Pioneer VSP-200 (which prologic IC is inside ??)
http://images28.fotosik.pl/83/00862ff5859b564f.jpg
http://www.ebay.de/itm/Service-Manu...rder_Gebrauchsanleitungen&hash=item3a6676a545
http://bilder.hifi-forum.de/max/520116/p…p-200_15078.jpg
http://bilder.hifi-forum.de/max/520116/p…p-200_15077.jpg
http://www.springair.de/verstaerker/surroundverstaerker/pioneer-vsp-200
http://kleinanzeigen.ebay.de/anzeigen/s-anzeige/dolby-surround-verstaerker-pioneer-vsp-200/23111281

Marantz AV500
http://www.hometheaterhifi.com/volume_5_3/marantzav550processor.html
http://audio-database.com/MARANTZ/amp/av500-e.html

Harman AVR21 (NJM2177)
Sherwood RV-4050R (NJM2177)
DENON AVR610 (SSM2126)
Sherwood RV-6030R (SSM2126A)
http://shenzhen.nuowo.net/jiadian/4263820.html

Cinema Reference Mach III Controller
http://www.hometheaterhifi.com/volu...sp-mpa-502-amp-pf-2502-amp-8-2007-part-1.html

I am looking to lists, where I can read the associated av preamp (processor) models to the IC's mentioned about post #1.
Thank you for posting such overviews.
 
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