![Unbalanced DB-25 Pin Assignments](/images/new-backgrounds/12657/1265731x1.webp)
THX SURROUND PREAMPLIFIER
STAGE ONE
SATELLITE | CD PLAYER |
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| FM ANTENNA |
| OUTPUT |
| AM ANTENNA | |
S VIDEO |
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OUTPUT |
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ANALOG | COMPONENT | ANALOG |
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OUT SAT |
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OUTPUT | OUTPUT |
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ANALOG | COMPOSITE | DIGITAL | ANALOG | S VIDEO | COMPOSITE | ANALOG | COMPOSITE |
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OUTPUT | VIDEO OUTPUT | OUTPUT | OUTPUT | INPUT | VIDEO INPUT | INPUT |
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| VISEO INPUT |
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| S VIDEO |
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| S VIDEO | COMPOSITE |
| S VIDEO |
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| OUTPUT |
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| OUTPUT | VIDEO OUTPUT |
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| INPUT | COMPONENT | |||
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| INPUT | |
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| VIDEO OUT |
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| DVD PLAYER |
| VCR |
| TELEVISION |
Unbalanced DB-25 Pin Assignments
13 | 1 |
2514
PIN ASSIGNMENT
1Left positive
2Center positive
3 Right positive
4 Subwoofer positive
5 Surround left positive
6 Surround right positive
7 Surround back left positive
8 Surround back right positive
9, 10 Shield drains
11, 12, 13 No connection
14Left ground
15Center ground
16Right ground
17Subwoofer ground
18Surround left ground
19Surround right ground
20Surround back left ground
21Surround back right ground
22Shield drain
23, 24, 25 No connection
INPUT CONNECTIONS
The Stage One allows for analog, digital, and video outputs for seven sources to be connected to the rear panel inputs. You also have the ability to switch the Audio and Video signals independently of each other. For easiest opera- tion, the digital, analog, and video outputs from each source should be attached to the same source input (lined up vertically) on the rear panel of the Stage One. If different types of video outputs are available, one of each type
AC INPUT
Using the supplied IEC power cord, plug the Stage One into the wall outlet.
DIGITAL INPUTS
The rear panel of the Stage One provides ten digital inputs (three Toslink, and seven Coaxial). Any S/PDIF digital output can be connected to any, or all ten digital inputs. For inputs with both a Toslink and Coaxial digital connection, Toslink takes precedence. It is possible to connect both a Toslink and a Coaxial digital signal to a single source input, but only one will be operational at a time. There is no need to "assign" the digital inputs, as one is provided for each source connection. For easiest operation, the digital output of the source should be connected to the same source input (lined up vertically) as the analog and video outputs of the source.
ANALOG INPUTS
The rear panel of the Stage One provides seven stereo analog line level inputs. The analog output of any line level source can be connected to any, or all of the stereo analog inputs. The input gain of the analog inputs should be adjusted for each analog source that you have connected. For optimum per- formance, the gain should be adjusted to the highest point before clipping occurs. (See “Advanced Features.”)
VIDEO INPUTS
The rear panel of the Stage One provides 17 Video inputs (seven composite, seven
MULTI-CHANNEL ANALOG INPUT
The Stage One provides an
ANTENNA INPUT
Spring clips for an AM loop antenna, and a coaxial type terminal for a
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