SB Acoustics SB21RDC-C000-4 Tweeter buy at hifisound.de

Previous product all products by SB-Acoustics Next product

Product images

Description
Technical details
Diagrams + dimensions
Reviews
Warranty

SB Acoustics SB21RDC-C000-4 Tweeter

Key features:

Large surround dome for increased acoustic performance
Dual balanced compression chamber for improved dynamics
Copper cap for reduced voice coil inductance and minimal phase shift
Saturation-controlled motor system for low distortion
Non-reflective rear chamber with optimized damping for improved dynamics
Flow-optimized vented pole piece for optimal connection to the rear chamber
CCAW voice coil for low moving mass
Long-lasting silver lead wires
Low resonant frequency

Short data

Usage as	Tweeter
Power Handling	80 Watt
Impedance	4 Ohm

Frequency from	1500 Hz
Max. Frequency	30 kHz
Sound pressure	90 dB

Chassis-data

Overall dimensions	100 mm
Baffle cutout	82.2 mm
Depth (Total)	39.7 mm
Membrane Type	Dome
Membrane Surround	Coated Textile
Membrane Material	Coated textile

Voice coil Ø	22.4 mm
Voice coil height	1.5 mm
Air gap height	2.5 mm
Magnet Ø	70 mm
Magnet-weight	22 g

Thiele-Small-Parameter

Resonance fs	fs: 760 Hz
Mechanical Q	Qms: 2.54
Electrical Q	Qes: 1.64
Total Q	Qts: 1.00
DC-Resistance	Re: 3.1 Ohm
Coil Inductance	Le: 0.04 mH

Moving Mass	Mms: 0.25 g
Max. Excursion +/-	Xmax: 1.0 mm
BL Product	Bl: 1.6 N/A
Membrane Ø	Md: 20.4
Membrane Area	Sd: 4.6 cm²
Sound pressure	dB: 90 SPL

You have to be logged in and must have bought this product to write a review.

No review available for this item.

You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.