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| Surround Processors | | Manufacturers | Model# | Model Year | | Channels | Weight | Details | | | Adcom | GSP-560 | 1993 | | 3 Channels | 15 LBS | 80W X 3, 15 LBS | Pricing History |
| Cary Audio Design | P-7B | 2003 | | 8 Channels | - | PRE-PROCESSOR, 8CHANNEL | Pricing History |
| Denon | AVR-2308CI | 2009 | | - | 28 LBS | 28 LBS, 7.1, 100W | - |
| Denon | AVR-4800 | 2000 | | 5 Channels | 48 LBS | 125W, 5 CHANNEL, THX, 48 LBS | Pricing History |
| Denon | AVR-5700 | 1999 | | 5.1 Channels | 48 LBS | DOLBY DIGITAL, DTS, 5.1CHANNEL, 48 LBS | Pricing History |
| Esoteric | D-07 | 2008 | | - | 26 LBS | 32 BIT, 44-768, DUAL MONO, 26 LBS | - |
| Esoteric | D-1 | 1988 | | - | - | 18 BIT, 4X OS, MUTING | - |
| JBL | SDP-3 | 2001 | | 8 Channels | - | 8CHANNEL, DOLBY DIGITAL, THX | Pricing History |
| Lexicon | MV-5 | 2007 | | - | 28 LBS | PRE-PROCESSOR, 28 LBS | - |
| Lexicon | MC-4 | 2004 | | 8 Channels | - | 8 CHANNEL, THX ULTRA 2, DOLBY DIGITAL EX | Pricing History |
| Meridian | G-68ADV | 2004 | | 8 Channels | - | 8CHANNEL, COAX DIGITAL IN-OUT | Pricing History |
| Meridian | 561 | 1998 | | 8 Channels | - | 8CHANNEL, DOLBY DIGITAL | Pricing History |
| NAD | T-175 | 2008 | | - | - | PRE-PROCESSOR, 1080P HDMI | - |
| NEC | PLD-910 | 1989 | | - | 18 LBS | SURROUND DECODER, 18 LBS | - |
| Onkyo | PR-SC885P | 2007 | | - | 38 LBS | PRE-PROCESSOR, 38 LBS | - |
| Onkyo | RDC-7 | 2001 | | Integrated 8 Channels | - | PRE-PROCESSOR, 8 CHANNEL, INTEGRA | Pricing History |
| Onkyo | TX-SV636 | 1997 | | 2 Channels | - | 85W X 2 | Pricing History |
| Parasound | AVC-25009 | 2006 | | - | 38 LBS | 38 LBS | - |
| PS Audio | DIGITALLINK | 1989 | | - | - | 18 BIT, 8X OS | - |
| Rotel | RSP-976 | 2001 | | - | 18 LBS | PRE-PROCESSOR, WITH REMOTE, 18 LBS | - |
| Sherwood | P-965 | 2004 | | 8 Channels | - | 8CHANNEL, PHONO | Pricing History |
| Sim Audio | MOON ATTRACTION 7.1 | 2002 | | 8 Channels | - | 8CHANNEL, AC3 | Pricing History |
| Sony | STR-DA777ES | 2000 | | 5 Channels | 80 LBS | 120W X 5, 80 LBS | Pricing History |
| Yamaha | YMC-700 | 2009 | | - | 8 LBS | MEDIA CONTROLLER, 8 LBS | - |
| Yamaha | DSP-A3090 | 1996 | | 5 Channels | 47 LBS | 80W X 5, 47 LBS | Pricing History |
| Yamaha | DSP-A2070 | 1993 | | - | - | 80W | - |
| Yamaha | DSP-E1000 | 1992 | | 5 Channels | - | 80W, 5 CHANNEL | Pricing History |
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