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12 P/SP-1500 Owner's Manual
Stereo Direct
For critical listening, the Stereo Direct mode engages a precision bypass relay to route the selected input
source around all the surround processing circuitry of the P/SP-1500 and directly to its preamp section. As
a result, only the front left, right and subwoofer channels are active in the Stereo Direct mode. You can
select this mode from the remote control or on the front panel.
Hall
The Hall mode simulates the reverberant sonic characteristics of a concert hall. This mode enhances both
classical and rock music recordings. You can select the Hall mode only from the remote control. All
channels are operative in this mode.
Ambiance
The Ambiance mode adds a sense of spaciousness from the surround channels without any processing of
the front left and right channels. You can select the Ambiance mode only from the remote control. All
channels except center are operative in this mode. The ambiance mode is designed primarily as a subtle
enhancement to music rather than films.
Mono
When you select the Mono mode, the P/SP-1500 routes the summed left and right signals to the center and
subwoofer channels only. This mode works well for classic films, and older mono music recordings. If you
have the rear panel center speaker selected to the None position, the mono signal will appear in the front left
and right speakers to form a phantom image.
5.1 Discrete
When you select the 5.1 Discrete mode, the P/SP-1500’s output circuitry “looks” to the DB-25 connector
on its rear panel for analog signals decoded from a digital 5.1 outboard processor. There is an expanding
library of films available that are encoded in either Dolby Digital (AC-3) or DTS (Digital Theater Sound).
We designed the Parasound P/DD-1500 Dolby Digital (AC-3) processor (available Fall, 1996) specifically
to connect to this input. Be aware that if you have not connected a compatible outboard processor to the
DB-25 input, there will be no output from the P/SP-1500 when you select the 5.1 Discrete mode. You can
select the 5.1 mode from the remote control or on the front panel.
Storing Input Levels and Modes to Specific Inputs
For ease of operation, you can program the P/SP-1500 to memorize the input level and mode for a specific
input. For example, you may want your laser disc player connected to Video 1 to automatically be activated
in the THX Cinema mode with an input level of -3 dB each time this input is selected. You can use either
the remote control or front panel to memorize the input level and mode for a given input. Simply set the
desired input level and select the mode you want to store, then hold down the source select input button
where you want it stored until the word MEMORIZE flashes within the on-screen display. When MEMORIZE
stops flashing after three seconds, the P/SP-1500 has stored the input level and mode for the input displayed
on the screen. Whenever you return to a programmed input, the P/SP-1500 recalls its memorized input
level and mode.
SOURCE
MODE
INPUT LEVEL
VIDEO 1
THX CINEMA
- 3 dB
MEMORIZED
Mute
On
Hall
5.1 Ch
Mono
Ambiance THX Pro Logic
Stereo
Direct
Off
Input
Trim
Cal
Display Delay
Video 2
Video 3
Video 4
Audio 1 Audio 2 Audio 3
Video 1
Volume
1 Set input level
Mute
On
Hall
5.1 Ch
Mono
Ambiance THX Pro Logic
Stereo
Direct
Off
Input
Trim
Cal
Display Delay
Video 2
Video 3
Video 4
Audio 1 Audio 2 Audio 3
Video 1
Volume
3 Hold down input
Mute
On
Hall
5.1 Ch
Mono
Ambiance THX Pro Logic
Stereo
Direct
Off
Input
Trim
Cal
Display Delay
Video 2
Video 3
Video 4
Audio 1 Audio 2 Audio 3
Video 1
Volume
2 Select mode