Porsche 911 Turbo User Handbook Manual page 46

The Bose Surround Sound system.
The standard Bose Surround First, engineer each component
Sound system transforms the to the highest standards of
Sports Seats of your 911 Turbo performance; then integrate them
into front-row concert seats. to make the whole greater than
Created expressly for the car's the sum of its parts.
unique acoustics, this system
offers amazing sound reproduction, Thousands of measurements
regardless of driving conditions. were used to determine the
precise placement of each
The Bose approach to acoustic component to counter road,
design mirrors our own philosophy: wind and engine noise.
A total of 13 individual speakers,
enhanced by individual front and
rear channels, creates a panorama
of sound that duplicates the
quality of live music.
The system is powered by a
seven-channel digital amplifier
and active equalization that match
the sound to the cabin's acoustics.
A fiber-optic network beneath the
dashboard integrates 5x25-watt
linear amps and a single 100-watt
switching unit with sparkling
signal quality, while a second
switching amp in the active
subwoofer offers an additional
100 watts of power.
Low-range and mid-range speakers
harmonize with Neodymium
tweeters to flood the cockpit with
deep, rich bass and sparkling
high-range notes. The sense of
depth is increased further with the
aid of Bose Signal Processing and
Centerpoint ® technology that can
split stereo recordings into five
separate channels.
• 90 •
Two 1-in. (2.5-cm) Neodymium high-range speakers
A 2.75-in. (7-cm) mid-range
centerfill speaker
System electronics
A 3-in. (8-cm) Neodymium mid-range speaker
®
An 8-in. (20-cm) Nd low-range speaker
AudioPilot microphone
Bose signal processing modifies Even when the vehicle is at
bass output to compensate for speed, the Bose system ensures
the reduced sensitivity of the that you never miss a beat.
human ear at lower volumes. Ingenious AudioPilot
The result is an amazing clarity compensation technology
of sound at all volumes, and continuously monitors the cockpit
natural voice reproduction. The for ambient noise and automatically
system can even reach concert- adjusts tone and volume levels to
hall volumes with no audible filter it out.
noise distortion.
The 911 Turbo I Comfort and Personalization
Two 5.12-in. (13-cm) low-range speakers in a 49-cu.-ft.
(14-liter) bass reflex enclosure with switching amplifier
A 1-in. (2.5-cm) Neodymium high-range speaker and a
3-in. (8-cm) Neodymium mid-range speaker in each rear side panel
On the 911 Turbo Cabriolet,
there's an additional sound
program to enhance the open-
® noise air sound experience. It is
automatically enabled when the
top is opened and disabled when
closed. Like the 911 Turbo, it's
tuned for the highest levels
of performance.
• 91 •