STK Professional Audio PASSIVE SPEAKER SYSTEMS User manual

PASSIVESPEAKERSYSTEMS
OWNER'SMANUAL ENGLISH

2
Warranty Information
UNPACKING
As a part of our system of quality control, every
STK product is carefully inspected before leaving the
factory to insure flawless appearance. After unpacking,
please inspect for any physical damage. Save the
shipping carton and all packing materials, as they were
carefully designed to reduce the possibility of
transportation damage should the unit again require
packing and shipping. In the event that damage has
occurred, immediately notify our dealer so that a written
claim to cover the damage can be initiated with the
carrier. The right to any claim against a public carrier
can be forfeited if the carrier is not promptly notified
and if the shipping carton and packing materials are
not available for inspection by the carrier. Save all
packing materials until the claim has been settled.
S T K C u s t o m e r S e r v i c e D e p a r t m e n t
369-2 KURAERI YANGCHON-MYUN KIMPO -CITY
KYOUNG GI-DO, KOREA.
TEL : [phone]
FAX : [phone]
E-mai l : s t kcom@stk pr o . com
w w w . s t k p r o . c o m
STK LIMITED 1 YEAR WARRANTY
STK electronics are warranted to be free from
defects in materials and workmanship under normal
use for a period of 1 year from date of original
purchase. During that period, STK will at its option,
repair or replace materials at no charge if product has
been delivered to STK by an STK dealer or STK
Service Center together with the original sales receipt
or other proof of purchase. Warranty excludes fuses,
exteriorm finish, normal wear, failure due to abuse,
or operation outside of specified ratings. Warranty
applies to original purchaser only. This warranty gives
you specifically rights which vary from state to state.
For more information about warranty repair,
please contact: Cus tomer Servi ce Dept., T h e
S T K P r o f e s s i o n a l A u d i o .
F O R Y O U R R E C O R D S
All of us at STK thank you for your expression of
confidence in STK products. The unit you have
purchased is protected by a limited 1 year warranty.
To establish the warranty, be sure to fill out and mail
the warranty card attached to your product.
For you own protection, fill out the information below for you own records.
Model Number
Serial Number
Dealer
Date Of Purchase
Salesman
Phone
Other Information
Introduction
TheSTKspeakersystemplacesprofessionalqualityfullrange,stand-mount pro audio speaker technology
within easy reach of the working,burget mounted performer. Recent developments include an improved constant
directivity horn for better off-axis response in the high frequency range.
High-frequency which enables them to continue to function, without damage, during typical overload condition.
STANDARDFEATURES
▶Ultra tough Warnex texture coating
▶Heavy-gauge, perforated metal speaker grille.
▶Dual speakon jacks.
▶Metal stand adapters.(except large cabinet).
▶3/4" plywood and chipboard construction.
▶Horn tweeter protection circuitry.

3
Features
SP-112
A 2-Way system with one 12 inch heavy duty speaker and one high
frequency bullet compression tweeter in an extremely lightweight
aluminum stand adapter.
▶Frequency response: 70㎐to 18㎑
▶SPL: 100㏈at 1W/1m
▶Power handling 150watts continuous, 300watts program
▶Impedance: 8ohms.
▶Suggestion system: V-2, VM-4DDR, VM-6 S DRV,
SP-122
One 12inch heavy duty speaker and on high frequency horn in an
extremely light weight vented enclosure with aluminum stand
adaptor..
▶Frequency response: 63㎐to 18㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 250watts continuous, 500watts program
▶Impedance: 8ohms.
▶Suggestion system: V-2, V-3.5M, V-6, VM-8DRV, VM-1 1 S D RV
SP-152L
One 15inch heavy duty speaker and on high frequency horn in an
extremely light weight vented enclosure with aluminum stand
adaptor..
▶Frequency response: 60㎐to 18㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 200watts continuous, 400watts program
▶Impedance: 8ohms.
▶Suggestion system: V-2, V-3.5M, V-6, VM-8DRV, VM-1 1 S D RV,
SP122H
The SP-122H is the compact solution for high power loud speaker
applications where space is premium . A two way passive, trapezoid
system, the SP-122H has a 12"Con Bass driver for high power
handling, coupled with a 2" voice coil compression driver.
▶Frequency response: 60㎐to 18㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 400watts continuous, 800watts program
▶Impedance: 8ohms.
▶Suggestion system: V-6, VS-15, V-9, VM-11SDRV, VM-1 6 S D D R
VM-14SDDR,SM-16SDDR
SP152H
The SP-152H is the compact solution for high power loud speaker
applications where space is premium . A two way passive, trapezoid
system, the SP-152H has a 15"Con Bass driver for high power
handling, coupled with a 2" voice coil compression driver.
▶Frequency response: 60㎐to 18㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 300watts continuous, 600watts program
▶Impedance: 8ohms.
▶Suggestion system: V-6, VS-15, V-9, VM-1 1 S D RV, VM-1 6 S D D R
VM-14SDN
SP-153H
A 3-way enclosure, with one 15inch heavy duty speaker. One heavy
duty 6inch mid range, and one 2.5inch horn tweeter. The SP153 is
pre-wired for full range or bi-amp operation.
▶Frequency response: 53㎐to 19㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 300watts continuous, 600watts program
▶Impedance: 8 ohms.
▶Suggestion system: V-6, VS-12, V-9, VM-1 1 S D R V ,
VM-14SDDR, VM-16SDDR
SP-4730N
High-efficiency, three-way system enclosure, with one 15inch heavy
duty speaker. One heavy duty 8inch mid range, and one 2inch horn
tweeter. The SP4730N is pre-wired for full range or bi-amp
operation.
▶Frequency response: 53㎐to 18㎑
▶SPL: 100㏈at 1W/1m
▶Power handling 400watts continuous, 800watts program
▶Impedance: 4 ohms.
▶Suggestion system: V-9, VS-15, VS-2004, SM-1 6 S D DR
SP-4730H
High-efficiency, three-way system enclosure, with one 15inch heavy
duty speaker. One heavy duty 8inch mid range, and one 2inch horn
tweeter. The SP4730H is pre-wired for full range or bi-amp
operation.
▶Frequency response: 53㎐to 18㎑
▶SPL: 100㏈at 1W/1m
▶Power handling 400watts continuous, 800watts program
▶Impedance: 8 ohms.
▶Suggestion system: V-9, VS-15, VS-2004, SM-1 6 S D D R
SP-253N
High power, 2-Way system featuring two high power 15inch
speakers, a large format compression driver. The SP-253N is pre
wired for full range and bi-amp operation.
▶Frequency response: 50㎐to 19㎑
▶SPL: 101㏈at 1W/1m
▶Power handling 800watts continuous, 1600watts program
▶Impedance: 4ohms.
▶Suggestion system: VS-15, V S -2004, VS-20, SM-1 6 S D DR
SP-4733N
High power, 2-Way trapezoidal system engineered for full range
or bi-amp operation. Features two 15inch speakers with
impregnated
cones plus a high frequency compression driver coupled to a die
cast aluminum horn.
▶Frequency response: 50㎐to 18㎑
▶SPL: 103㏈at 1W/1m
▶Power handling 1200watts continuous, 2400watts program
▶Impedance: 4ohms.
▶Suggestion system: VS-15, V S -2004, VS-20, VS-34
SP-218S(SUBWOOFER)
The SP218S is a dedicated high performance sub bass system
designed to augment the Low frequency output of the SP-218 in
large scale applications where the sub bass enclousers must be
used.
▶Frequency response: 30㎐to 200㎐
▶SPL: 98㏈at 1W/1m
▶Power handling 1600watts continuous, 3200watts program
▶Impedance: 4 ohms.
▶Suggestion system: VS-34, VS-40

4
Features
SP-118S (SUB WOOFER)
Designed for a variety of professional applications, the SP118S a
adheres to a continuing legacy of high efficience and performance
value. A dedicated sub woofer with dual 18 inch transducer in a
vented trapezoidal enclosure engineered to complement the SP
series
full range system. Recessed cup on the top accept the footpads of
a SP4733A or another SP 118S.
Frequency response: 30㎐to 200㎐
▶SPL: 95㏈at 1W/1m
▶Power handling 800watts continuous, 1600watts program
▶Impedance: 8 ohms.
▶Suggestion system: VS-20, VS-2003
SPM-122 (ABS MOLDED CABINET))
The SPM-122 is compact full range sound system with tough
molded ABS cabinets.
Its very light and easy carry full range speaker system.
▶Frequency response: 55㎐to 19㎑
▶SPL: 100㏈at 1W/1m
▶Power handling 200watts continuous, 400watts program
▶Impedance: 8ohms.
▶Suggestion system: VM-4DRV, VM-8DRV, V6, SP-158AP for
satellite
SPM-152H (ABS MOLDED CABINET)
The SPM152H is a 2-way full range system with ABS molded
cabinet.
Enclousers are trapezoidal in shape and easy stacked
▶Frequency response: 55㎐to 19㎑
▶SPL: 98㏈at 1W/1m
▶Power handling 300watts continuous, 600watts program
▶Impedance: 8ohms.
▶Suggestion system: V-6, V-3.5M, VM-8DRV,
VM-11SDRV ,VM-11TDRV
SPM-155H (ABS MOLDED CABINET)
The SPM155H is a 2-way full range system with ABS molded
cabinet.
Enclousers are trapezoidal in shape and easy stacked
▶Frequency response: 55㎐to 19㎑
▶SPL: 98㏈at 1W/1m
▶Power handling 500watts continuous, 1000watts program
▶Impedance: 8ohms.
▶Suggestion system: V-6, V-3.5M, VM-8DRV, VS-15
VM-11SDRV ,VM-11TDRV
SP-115S(SUBWOOFER)
The SP-115S is for sub woofer system in a bass reflex rectangular
enclouser .
▶Frequency response: 53㎐to 350Hz
▶SPL: 99㏈at 1W/1m
▶Power handling 400watts continuous, 800watts program
▶Impedance: 4 ohms.
▶Suggestion system:V-9, VS-15, SP-158AP EXTERNAL delivered
SP-118SL(SUBWOOFER)
The SP-118SL is for sub woofer system in a bass reflex rectangular
enclouser .
▶Frequency response: 30㎐to 200Hz
▶SPL: 100㏈at 1W/1m
▶Power handling 600watts continuous, 1200watts program
▶suggestion system for SUB : SP-1812AP
▶Impedance: 4 ohms.
SP-115M
The SP-115M is professional 2-way full range monitor system
with 15" SK15300 transducers vented the enclosure designed
specialized floor wegge for perfect pattern control with dual purpose
stage monitor and main.
▶Frequency response: 55㎐to 18kHz
▶SPL: 99㏈at 1W/1m
▶Power handling 250watts continuous, 500watts program
▶suggestion system for SUB : SP-1812AP
▶Impedance: 8 ohms.
SP-112M
The SP-112M is professional 2-way full range monitor system
with 12" SK12150 transducers vented the enclosure designed
specialized floor wegge for perfect pattern control with dual purpose
stage monitor and main.
▶Frequency response: 70㎐to 18kHz
▶SPL: 99㏈at 1W/1m
▶Power handling 150watts continuous, 300watts program
▶suggestion system for SUB : SP-158AP
▶Impedance: 8 ohms.
SP-215S(SUBWOOFER)
The SP-215S is for sub woofer system in a bass reflex rectangular
enclouser .
▶Frequency response: 47㎐to 350Hz
▶SPL: 101㏈at 1W/1m
▶Power handling 1200watts continuous, 2400watts program
▶suggestion system for SUB : V-9, VS-12, SP-158AP EXTERNAL
delivered
▶Impedance: 4 ohms.

5
ENCLOSURE CONSTRUCTION
The STK speaker system enclosure utilizers a structural
material that combines the strength of high-quality plywood
with the density and acoustic damping of particle board
without brittleness. Road-Wood uses the same principle of
crossbreeding veneers, as in plywood, in order to achieve its
very high is rigidity. Alternate layers are perpendicularly
bonded under intense heat and pressure to form panels of
superior uniformity. Unlike many grades of plywood,
Road-Wood is dimensionally stable, water-resistant and free
from voids.
A combination of dado-cut joints, tough adhesives,
and proper bracing ensure a sonically dead enclosure free
from panel resonances. The densely-woven, industrial-grade,
abuse-resistant carpeting provides a finish that is both
attractive and highly durable. Large, heavy-duty metal corner
protectors, firmly secured rubber feet, and recessed handles
complete the enclosure and ensure that the Music Town
seriessystemisideallysuitedtoa long and reliable life "on the
road."
CONNECTIONS
The STK speakersystem is equipped with high quality
Speakon connectors. Two connectors are installed in parallel
akkowing additional STK speaker system to be installed.
One matching Speakon connector is supplied with each
system. These connectors are locking, self-polarizing and
capable of 30 amps RMS continuously. Additional connectors
and cables can be purchased from your dealer.
BI-AMPING
The SP153H, SP4730N and SP4733N may be easily converted
for bi-amp operation. On the rear connector panel there are
two 6pin terminal block with exposed link bar connector. For
full range operation the 4 link bar is as figure 1.
Reconnecting the 2 link bar in the bi-amp operation. The
crossover frequency for bi-amp operation should be between
500 and 800 Hz with either a second-order Butterworth
(12-dB-per-octave slopes),a third-order Butterworth (18-dB-
per-octave slopes), or a fourth-order Butterworth (24-dB-per-
octave slopes) response characteristic.
For flattest response in the crossover region when a second-
order of fourth-order crossover is used, the polarity between
the woofer and hight-frequency sections should be the same,
i.e., the positive output terminal of the low-frequency amplifier
should go to the positive woofer input on the SP4730N
(SP153H, SP4733N,SP253N) and the positive output terminal of
the high-frequency amplifier should go to the positive
high-frequency input on the SP4730N,SP4730H.
(SP153H, SP4733N,SP253N).
This instruction assumes of course, that there is no polarity
shift between the high-and low-frequency amplifier channels.
When a third-order crossover is use, the polarity
between the woofer and high-frequency section should
be reversed.
The pin arrangements are:
Full Range: Bi-Amp:
1 - = IN (-) 1 - = LF (-)
1 + = IN (+) 1 + = LF (+)
2 - = Not used 2 - = HF (-)
2 + = Not used 2 + = HF (+)
Dear STK Speaker System Customer,
Your newSTK speaker system has been upgraded to include our latest design improvements. So that you can fully understand
the newfeatures of your STK speaker system, the upgraded is described below. If you have any questions regarding your STK
speaker or its operation, please contact your STK Dealer or STK Authorized Service Center. We wish you all the best in the use of
your outstanding STK speaker system.
The high frequency horn or tweeter driver on your STK speaker is protected by a specially designed circuit using a Fuse Lamp. In
the event of a sudden loss of high frequency performance, it is likely that your horn of tweeter driver is OK and Fuse Lamp has failed.
The Fuse Lamp should be replaced by a qualified technician using a replacement lamp of the same type and rating.

6
SPECIFICATION
model
SP112
SP112M
SP122
SP122H
SP152H
S Y ST E M T YP E
2-way
Speaker System
2-w ay M o nito r
Speaker System
2-way
Speaker System
2-way
Speaker System
2-way
Speaker System
POWER
Continuous
Program
150 W
300 W
150 W
300 W
200 W
400 W
400 W
800 W
300 W
600 W
IMPEDANCE
(nominal)
8 ohm
8 ohm
8 ohm
8 ohm
8 ohm
S E NS I T IV IT Y
( SP L 1 W /1 m)
100 dB
100 dB
101 dB
105 dB
101 dB
FREQUENCY
RANGE
(-3dB)
70 - 18000 Hz
70 - 18000 Hz
63 - 18000 Hz
61 - 19000 Hz
55 - 19000 Hz
C RO SSOV E R
FREQUENCY
3.3㎑
3.3㎑
3.0㎑
2.5㎑
2.5㎑
TRANSDUCERS:
HF
SK 2 0 ST N
SK 2 0 ST N
SK 3 0 ST N
SK60D
SK-60D
N/A
N/A
N/A
N/A
N/A
LF
300mm(12")
SK12150
300mm(12")
SK12150
300mm(12")
SK12200
380mm(15")
SK1 2400
380mm(15")
SK15300
CONNECTIONS
2 speaker jack
(in parallel)
2 speaker jack
(in parallel)
2 speaker jack
(in parallel)
2 speaker jack
(in parallel)
2 speakon jack
(in parallel)
DIMENSIONS
(WXHXD)
400x564x330mm
420x564x397mm
480x632x350mm
414x654x440mm
480x704x480mm
NET WEIGHT
16.54㎏
17.76㎏
21.9㎏
28.7Kg
29.3Kg
Model
SP-253N
SP-4733N
SP-118S
SP-218S
SP-215S
S Y ST E M T YP E
2-way
Speaker System
2-way
Speaker System
Subwoofer
Speaker System
Subwoofer
Speaker System
Subwoofer
Speaker System
POWER
Continuous
Program
800 W
1600 W
1200 W
2400 W
800 W
1600 W
1600 W
3200 W
1200W
2400W
IMPEDANCE
(nominal)
4 ohm
4 ohm
8 ohm
4 ohm
4 ohm
S E NS I T IV IT Y
( SP L 1 W /1 m)
101 dB
103 dB
95 dB
98 dB
101 dB
FREQUENCY
RANGE
(-3dB)
50 - 19000 Hz
50 - 18000 Hz
31 - 200 Hz
30 - 200 Hz
47 - 350 Hz
C RO SSOV E R
FREQUENCY
1.5㎑
1.5㎑
TRANSDUCERS:
HF
SM110MD
2.5" voice coil
SK120MDN
3" voice coil
N/A
MF
N/A
N/A
N/A
N/A
N/A
LF
380mm(15")
SK1 5500-8X2
380mm(15")
SK15600X2
457mm(18")
SK18800
457mm(18")
2 x SK18800
380mm(15")
2 X SK15600
CONNECTIONS
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
Full & bi amp
terminal
Full & bi amp
termi nal
DIMENSIONS
(WXHXD)
560x1240x460mm
600x1240x480mm
604x592x754mm
604x1165x754mm
912 x 476 x 5 95mm
NET WEIGHT
60.0㎏
66.70㎏
43㎏
80㎏
45kg
Model
SP152L
SP153H
SP4730N
SP4730H
SP-115M
S Y ST E M T YP E
2-way
Speaker System
3-way
Speaker System
3-way
Speaker System
3-way
Speaker System
2-way
speaker system
POWER
Continuous
Program
200 W
400 W
300 W
600 W
400 W
800 W
400 W
800 W
250W
500W
IMPEDANCE
(nominal)
8 ohm
8 ohm
4 ohm
8 ohm
8 ohm
S E NS I T IV IT Y
( SP L 1 W /1 m)
101 dB
101 dB
103 dB
103 dB
101 dB
FREQUENCY
RANGE
(-3dB)
60 - 18000 Hz
53 - 19000 Hz
53 - 18000 Hz
53 - 18000 Hz
55 - 18000 Hz
C RO SSOV E R
FREQUENCY
2.5㎑
500㎐, 3.5㎑
500㎐, 3.5㎑
500㎐, 3.5㎑
2.5㎑
TRANSDUCERS:
HF
SK 3 0 ST N
SK-60D
SK-60D
SK-60D
SK 3 0 ST N
MF
N/A
205mm(8")
SK8200
205mm(8")
SK8200
205mm(8")
SK8200
N/A
LF
380mm(15")
SK15300
380mm(15")
SK15300
380mm(15")
SK15500-4
380mm(15")
SK15500-8
380mm(15")
SK15300
CONNECTIONS
2 speaker jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
480x704x397mm
Full & biamp
ter minal
Full & biamp
termi nal
Full & biamp
termi nal
DIMENSIONS
(WXHXD)
480x704x397mm
600x754x480mm
600x832x480mm
600x832x480mm
460x669x424mm
NET WEIGHT
25Kg
35.0㎏
40㎏
41㎏
26kg

7
SPECIFICATION
model
SP-115S
SP-118SL
SPM-122
SPM-152H
SPM-155H
S Y ST E M T YP E
SUB WOOFER
Speaker System
SUB WOOFER
Speaker System
2-way
Speaker System
2-way
Speaker System
2-way
Speaker System
POWER
Continuous
Program
400 W
800 W
600 W
1200 W
200 W
400 W
300 W
600 W
500 W
1000 W
IMPEDANCE
(nominal)
4 ohm
4 ohm
8 ohm
8 ohm
8 ohm
S E NS I T IV IT Y
( SP L 1 W /1 m)
99 dB
100 dB
98 dB
98 dB
98 dB
FREQUENCY
RANGE
(-10dB)
53 - 350Hz
30 - 200Hz
55 - 19000 Hz
55 - 19000 Hz
54 - 19000 Hz
C RO SSOV E R
FREQUENCY
N/A
N/A
2.5㎑
2.5㎑
2.5㎑
TRANSDUCERS:
HF
N/A
N/A
SK-40
SK-70
SK-70
MF
N/A
N/A
N/A
N/A
N/A
LF
380mm(15")
SK15500
457mm(18")
SK18600S
300mm(12")
SK12200
380mm(15")
SK15300
380mm(15")
SK1 5500-8
CONNECTIONS
1 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
2 speakon jack
(in parallel)
DIMENSIONS
(WXHXD)
476x540x595mm
568x640x595mm
426x598x326mm
452x700x348mm
452x700x348mm
NET WEIGHT
29㎏
41.5㎏
26.76㎏
20.44㎏
20.44㎏
The all speaker systems generates magnetic field.
Do not place them closer than two or three
Feet(60-100cm) from TV or computer monitors.
Check the screen for any magnetic audio or
Video tapes or computer discs near the
active systems.

8
Owner's Manual For The STK Speaker Systems
PrintedInKorea STK-Professional Audio 11/07