Klipsch Reference IV technische Daten

Hallo,

die Technischen Daten der Reference IV Serie sind seid ein paar Tagen auf der Hompage von Klipsch.
Mich wundert, dass der neue Center RC 64 eine sehr hoch untere Gerenzfrequenz gegenüber dem RC 62 und dem RC 7 hat. Wisst ihr vielleicht warum das so ist?

Hier nochmal die Daten:

RC 64

FREQUENCY RESPONSE:
62Hz-21kHz +/-3dB
POWER HANDLING:
200W RMS / 800W Peak
SENSITIVITY:
99dB @ 2.83V / 1m
NOMINAL IMPEDANCE:
8 ohms compatible
HIGH FREQUENCY DRIVERS:
1.25" (3.2cm) Titanium diaphragm compression driver mated to 90x60 square Tractrix® Horn
HIGH FREQ CROSSOVER:
1150Hz, 1800Hz
LOW FREQUENCY DRIVERS:
Quad 6.5" (16.5cm) High-output Cerametallic™ cone woofers
ENCLOSURE TYPE:
Sealed
HEIGHT:
8" (20.3cm)
WIDTH:
33" (83.8cm)
DEPTH:
13.5" (34.3cm)
MOUNTING:
Uptilt and Downtilt feet
WEIGHT:
61 lbs (27.7kg)
FINISHES:
Cherry or Black Ash wood veneer
BUILT FROM:
2006


RC 62

FREQUENCY RESPONSE:
57Hz-23kHz +/-3dB
POWER HANDLING:
150W RMS / 600W Peak
SENSITIVITY:
98dB @ 2.83V / 1m
NOMINAL IMPEDANCE:
8 ohms compatible
HIGH FREQUENCY DRIVERS:
1" (2.54cm) Titanium diaphragm compression driver mated to 90x60 square Tractrix® Horn
HIGH FREQ CROSSOVER:
1150Hz, 1650Hz
LOW FREQUENCY DRIVERS:
Dual 6.5" (16.5cm) Cerametallic™ cone woofers
ENCLOSURE TYPE:
Bass-reflex via dual front-firing ports
HEIGHT:
8" (20.3cm)
WIDTH:
23.5" (59.7cm)
DEPTH:
12.5" (31.8cm)
MOUNTING:
Uptilt and Downtilt feet
WEIGHT:
32lbs (14.5kg)
FINISHES:
Cherry or Black Ash woodgrain vinyl
BUILT FROM:
2006


RC 7

FREQUENCY RESPONSE:
45Hz-20kHz ±3dB
POWER HANDLING:
200 w max continuous (800 w peak)
SENSITIVITY:
98dB @ 2.83 volts/1 meter
NOMINAL IMPEDANCE:
8 ohms
CROSSOVER FREQUENCY:
HF: 1950Hz
MF: 550Hz
TWEETER:
K-67-KV 1.75" (4.45cm) Titanium dome compression driver
HIGH FREQUENCY HORN:
8" square 90°x60° Tractrix® Horn
WOOFER:
Two K-1083-SB 8" (20.32cm) Cerametallic® cone / cast polymer frame
ENCLOSURE MATERIAL:
MDF
ENCLOSURE TYPE:
Bass reflex via dual rear-firing ports
INPUT CONNECTIONS:
2 sets of binding post speaker terminals
DIMENSIONS:
9" (23cm) x 26" (66.5cm) x 12" (30.7cm)
MOUNTING:
Dual Downtilt feet
WEIGHT:
42 lbs. (19kg)
FINISHES:
Cherry or Black wood veneer
BUILT FROM:
2001
BUILT UNTIL:
2006


Gruß
Sp1rit