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Appendix C: S•8 Specifi cations
Equalization
Low Frequency EQ:
+2 dB/+4 dB @ 100 Hz, shelving
High Frequency EQ: ±2 dB @ 5 kHz, shelving
AC Power Requirements
US: 120 VAC, 60 Hz
Europe: 240 VAC, 50 Hz
Korea (AC Power Select at 240 V):
220 VAC, 60 Hz
Japan (AC Power Select at 120 V):
100 VAC, 50/60 Hz
AC Connector: 2-pin IEC 250 VAC, 16 A male
Fuse: 115 VAC: T 1.6 A H/250 V
230 VAC: T 800 mA H/250 V
Power Consumption: 80 watts with music, loud mix
20 watts quiescent (idle)
Physical Dimensions and Weight
Enclosure:
0.625 in/16 mm thick MDF with
1.0 in/25 mm MDF front panel
Damping: Adiabatic fi berfi ll
Dimensions:
Height: 16.2 in/411 mm
Width: 11.6 in/295 mm
Depth: 13.8 in/351 mm
Weight: 35.2 lb/16.0 kg
Disclaimer
Since we are always striving to make our products
better by incorporating new and improved materials,
components, and manufacturing methods, we
reserve the right to change these specifi cations at
any time without notice.
Acoustic Performance
Free Field Frequency Response:
40 Hz – 20 kHz (±3 dB)
Lower Cutoff Frequency: –3 dB @ 40 Hz
Upper Cutoff Frequency: –3 dB @ 20 kHz
Sound Pressure Level @ 1 meter, 7.5 dBu into
Balanced Input: 100 dB SPL @ 1m
Maximum SPL Per Pair: 113 dB SPL @ 1m
Transducers
Low Frequency:
8 in/203 mm with steel frame,
polypropylene cone woofer
High Frequency:
Wave guide loaded 1 in/25 mm silk
dome tweeter
Amplifi ers
Low Frequency Power:
60 watts, 4 ohm load, 100 watts peak
High Frequency Power:
60 watts, 4 ohm load, 100 watts peak
Slew Rate: > 15 V/µs
Distortion (THD, SMPTE IMD, DIM 100):
< 0.035%
Signal-to-Noise Ratio:
Low Frequency: > 101 dB, 20 Hz to 20 kHz,
unweighted, referenced to 60 watts into 4 ohms
High Frequency: > 101 dB, 20 Hz to 20 kHz,
unweighted, referenced to 60 watts into 4 ohms
Type: Monolithic IC, Class AB
Electronic Crossover
Crossover Type: 24 dB/octave
Crossover Frequency: 3 kHz
Sensitivity: +4 dBu at 300 Hz for full
output
Input Impedance: 20 kΩ, balanced bridging;
10 kΩ unbalanced
S•8 Block Diagram
+2 dB
0
2
3
1
–2 dB
HIGH FREQ
@ 5 kHz
CLIP
LED
BALANCED
LINE
INPUTS
UNBALANCED
LINE
INPUT
INPUT LEVEL
CROSSOVER
HI-FREQ
LO-FREQ
HI-FREQUENCY
POWER AMPLIFIER
HI-FREQUENCY
DRIVER
LO-FREQUENCY
DRIVER
TWEE
T
–HI VDC
+HI VDC
OVEREXCURSION
PROTECT
LO-FREQUENCY
POWER AMPLIFIER
WOOF
+
–
HI VDC
+
–
LO VDC
TOROIDAL POWER
TRANSFORMER
POWER
LED
TAPCO
S•8
BLOCK DIAGRAM
10.15.03
115V ↔ 230V
+4 dB
40 Hz
0
+2 dB
STAIRWAY
TO
HEAVEN
LOW FREQ
@ 100 Hz
FUSE
POWER
AC SELECT
–HI VDC
+HI VDC
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