Additional Information
Cleaning the speaker
Use a dust brush to wipe off dust and dirt.
Never use furniture wax, cleaners, thinners, benzine,
insecticide sprays or other chemicals on or near the
speakers, since these will corrode the surfaces.
Specifications
Speaker system
S-IW551L
Speaker units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . In-wall type
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-way system
1
Woofer. . . 13 cm (5
/
in.) x 2, Mica-filled IMPP cone type
4
CST: Mid/Tweeter
1
. . . . . . . . . . . . 16 cm (6
/
2
1
3.8 cm (1
/
2
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Frequency response . . . . . . . . . . . . . . . . . . . . 33 Hz to 40 kHz
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 dB (2.83 V)
Maximum input power . . . . . . . . . . . . . . . . . . . . . . . . . .120 W
Crossover frequency . . . . . . . . . . . . . . . . . . . . 400 Hz/2.0 kHz
External dimensions
. . . . . . . . . . . . . . . . . . 525 (W) mm x 85 (H) mm x 225 (D) mm
11
20
/
(W) in. x 3
16
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.7 kg/12 lbs 9 oz
Accessories
Paint mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Butyl rubber tapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Grille removal tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Operating instructions (This document)
• Specifications and design subject to modification
without notice.
• CST (Coherent Source Transducer) is a three-
dimensionally-aligned sound source for the tweeter
and midrange, allowing the sound directivity to be
precisely controlled at all frequency.
is a trademark placed on a product with
Pioneer's Phase Control technology. This technology
enables high-grade sound reproduction through each
component by improving overall phase matching.
in.) Mica-filled IMPP cone type/
in.) Aluminum dome/cone type
3
7
/
(H) in. x 8
/
(D) in.
8
8
Ω
7
en