GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers

GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers

Name: GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers
Brand: GRS Audio
SKU: GRS K-33-4
Price: 132.95 EUR
Availability: OutOfStock

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GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers

The GRS K33 is a 1:1 drop-in replacement for the Klipsch K-33 woofer designed to bring your old Klipsch heritage cabinets back to life! With the same suspension and cone characteristics as the original K-33, this driver performs and will retain the same crossover point, tone, and quality when used with the Klipsch crossover networks in a variety of cabinets.

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GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers

Product highlights:

Drop-in 4 Ohm replacement woofer for the popular Klipsch K33
Fits popular Klipsch Heritage Cabinets: Klipschorn, Belle Klipsch, Cornwall, Lascala
Perfect visual match for restored Klipsch cabinets
Triple-roll surround and paper cone provide a perfect tonal match
Replacement for K-43-E, K-33-B, K-33-J, K-33-K and more

Product details

GRS K-33-4 Replacement 15" Woofer for Klipsch Speakers

The GRS K-33 was designed to have the same performance in free-air as the original in order to have the same performance in-cabinet for worry-free replacement.

The engineers at GRS understand that while performance is important when selecting replacement drivers for a restoration project, aesthetic is close behind in what dictates an appropriate replacement. Using the same materials and colors for paper cone, dustcap, and triple-roll surround, down to the design of the stamped frame, GRS guarantees mis-matched components won't get in the way of enjoying your favorite Klipsch heritage cabinets.

DIY-ers who do not own any of the classic cabinets will appreciate the high-sensitivity and subdued midrange for easy crossover and cabinet design.

Technical Specifications:

Article number K-33-4
Woofer Type Subwoofer
Nominal Diameter 15"
Power Handling (RMS) 200 Watts
Power Handling (max) 400 Watts
Impedance (Z) 4Ω
Sensitivity (SPL at 1m / 2.83V) 97 dB
Frequency Response 33-5500Hz
Voice Coil Diameter 2"
Magnet Weight 59oz.
DC Resistance (Re) 3.52Ω
Voice Coil Inductance (Le) 1.129mH
Resonant Frequency (Fs) 32.2 Hz
Mechanical Q (Qms) 12.61
Electromagnetic Q (Qes) 0.5458
Total Q (Qts) 0.52
Diaphragm Mass Inc. Airload (Mms) 91.55g
Mechanical Compliance of Suspension (Cms) 0.267mm/N
Surface Area of Cone (Sd) 855.3cm²
BL Product (BL) 10.93T·m
Compliance Equivalent Volume (Vas) 9.68ft³
Maximum Linear Excursion (Xmax) 8.25 mm
Cone / Diaphragm Material Paper
Surround Material Paper
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Basket / Frame Material Steel
Magnet Material Ferrite
Overall Outside Diameter 15.11"
Overall Depth 5.82"
Baffle Cutout Diameter 13.85"
Bolt Circle Diameter 14.65
# Mounting Holes 8

Reference GRS K-33-4

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