
UNDERSCORE
®
Features
Acrylic
•
Intuitive high-clarity color touch-screen user interface
•
6 transducers and control amplifier create 3-D
•
surround sound experience
Under-mount/drop-in style installation
•
17-3/4″ (451 mm) deep bathing well
•
Available with chromatherapy [-VBC]
•
Chromatherapy model is equipped with 4 lights
•
User interface mounting plate is included in color CP
•
66″ (1676 mm) x 36″ (914 mm) x 22″ (559 mm)
•
Codes/Standards Applicable
Specified model meets or exceeds the following:
CSA B45.5/IAPMO Z124
•
UL 1795
•
CAN/CSA C22.2 No. 218.2
•
Specified Model
5.5’ VIBRACOUSTIC BATH
K-1173-VB
ALSO K-1173-VBC
Colors/Finishes
0: White
•
CP: Polished Chrome
•
BN: Brushed Nickel
•
Other: Refer to Price Book for additional colors/finishes
•
Model Description Colors/Finishes
K-1173-VB 5.5’ VibrAcoustic bath ❑ 0 ❑ Other_____
K-1173-VBC 5.5’ VibrAcoustic bath with chromatherapy (shown) ❑ 0 ❑ Other_____
Required Accessories
K-7271 Clearflo slotted overflow brass bath drain OR ❑ CP ❑ Other_____
K-7272 Clearflo slotted overflow bath drain – PVC pipe ❑ CP ❑ Other_____
Optional Accessories
K-591 Under-mount kit ❑ NA
K-1491 Pillow ❑ 0 ❑ Other_____
K-1601 Footstop ❑ 0 ❑ Other_____
1172315 Vibracoustic user interface mounting plate ❑ BN
Product Specification
The acrylic vibracoustic bath shall be 66″ (1676 mm) in length, 36″ (914 mm) in width, and 22″ (559 mm) in height. Bath shall
feature intuitive high-clarity color touch-screen user interface and 6 transducers and control amplifier, which create 3-D surround
sound experience. Bath shall be available with chromatherapy [-VBC], which is equipped with 4 lights. Bath shall be available
with under-mount or drop-in style installation. Bath shall have a 17-3/4″ (451 mm) deep bathing well. The user interface
mounting plate shall be included in color CP. Bath shall be Kohler Model K-1173-____-____
Page 1 of 2
1181167-4-
USA/Canada: 1-800-4KOHLER
B
(1-800-456-4537)
www.kohler.com

UNDERSCORE
Technical Information
®
Required Electrical Service
Fixture*:
Bathing well:
Basin area,
bottom
Basin area,
top
Weight 85 lbs (38.6 kg)
To overflow:
Water depth 17-3/4″ (451 mmm)
Capacity 102 gal (386 L)
* Approximate measurements for comparison only.
Drop-in cut-out 65″ (1651 mm) x 35″ (889 mm)
Amplifier/
control:
44-1/2″ (1130 mm) x 26-1/2″ (673 mm)
60-1/4″ (1530 mm) x 30-1/4″ (768 mm)
Power per channel
(rms) W
15 120 50/60
VHz
16-3/4"
(425 mm)
Dedicated circuit required, protected with Class A
Ground-Fault Circuit-Interrupter (GFCI) or Residual
Current Device (RCD):
Amplifier/control 120 V, 15 A, 50/60 Hz
Installation Notes
Install this product according to the installation guide.
Control amplifier fits 16″ (406 mm) center studs. 25’ (7.6 m)
cables are included.
A grounded outlet within the wall framing must be within 24″
(610 mm) of the planned control amplifier.
Floor support under bath must provide for a minimum of 64
lbs/square foot (313 kg/square meter) loading.
Ensure that the bath, user interface, amplifier, and
transducers are functional before completing the installation.
No change in measurements if connected with
drain illustrated. (K-7272)
18"
(457 mm)
5-5/8"
(143 mm)
3-1/2"
(89 mm)
7/8"
(22 mm)
66" (1676 mm)
*24"
(610 mm)
*10"
(254 mm)
Lumbar
Angle 40˚
3/4"
(19 mm)
UNDERSCORE®5.5’ VIBRACOUSTIC BATH
Page2of2
1181167-4-
B
4-1/8"
(105 mm)
*Recommended User
Interface Location
2-1/4"
(57 mm)
19"
(483 mm)
22"
(559 mm)
1-1/2"
Bath Drain
Product Diagram
14-1/2"
(368 mm)
36" (914 mm)
User Interface
3-3/16"
(81 mm)
11-3/4"
(298 mm)
Control Amplifier
1"
(25 mm)