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Wavecor SW259WA02 subwoofer 25 cm aluminium

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€413.10 €486.00 -15%

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Wavecor SW259WA02 subwoofer 25 cm aluminium

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Description
Product Details

Wavecor SW259WA02 subwoofer 25 cm aluminium

SW259WA01 and SW259WA02 are woofers designed for dedicated sub bass applications. They work equally well for high-end hi-fi, high quality home theater systems, and top multimedia setups.
The extremely stiff aluminium cone, the long linear throw, exaggerated ventilation, and the special dynamic linearization short circuiting rings, together make up for an unusually linear and low-distortion woofer. Even at very high signal levels, the unit behaves controlled and without distortion.
Due to low mechanical losses SW259WA01 and SW259WA02 master equally well low level details and extreme dynamic peaks

FEATURES

New optimized outer suspension (surround) for improved large-signal handling
Extremely rigid aluminium cone to ensure piston motion at high levels and for better heat transfer at high continuous power levels
New reinforced die cast alu chassis with optimal ventilation and increased stroke
Venting through holes in cone neck for reduced distortion and compression
Vented chassis for lower air flow speed reducing audible distortion
Two internally built-in alu rings for stabilizing the magnetic field leading to lower high-level distortion
Heavy-duty black fiber glass voice coil bobbin to reduce mechanical losses resulting in better dynamic performance and low-level details
Large motor structure with 2” voice coil diameter and 145 mm magnet for better control and efficiency
Black-anodized magnet structure steel parts for increased heat dissipation and power handling
Long linear stroke motor for reduced distortion at high levels
Linear suspension with specially designed CONEX damper (spider) for long durability under extreme operating conditions
4-layer voice coil for increased control and better small-cabinet performance

NOMINAL SPECIFICATIONS

Notes	Parameter	SW259WA01		SW259WA02		Unit
Notes	Parameter	Before burn-in	After burn-in	Before burn-in	After burn-in	Unit
	Nominal size	10.25		10.25		[inch.]
	Nominal impedance	4		8		[ohm]
	Recommended max. upper frequency limit	400		400		[Hz]
1, 3	Sensitivity, 2.83V/1m (calculated from T/S parameters)	83.5		81.5		[dB]
2	Power handling, short term, IEC 268-5, no additional filtering					[W]
2	Power handling, long term, IEC 268-5, no additional filtering					[W]
2	Power handling, continuous, IEC 268-5, no additional filtering	200		200		[W]
	Effective radiating area, S_d	312		312		[sq.cm]
3, 6	Resonance frequency (free air, no baffle), F_s	29		24		[Hz]
	Moving mass, incl. air (free air, no baffle), M_ms	173		158		[g]
3	Force factor, Bxl	14.5		18.6		[N/A]
3, 6	Suspension compliance, C_ms	0.18		0.29		[mm/N]
3, 6	Equivalent air volume, V_as	25		40		[lit.]
3, 6	Mechanical resistance, R_ms	3.1		1.64		[Ns/m]
3, 6	Mechanical Q, Q_ms	10.0		14.2		[-]
3, 6	Electrical Q, Q_es	0.49		0.44		[-]
3, 6	Total Q, Q_ts	0.46		0.43		[-]
4	Voice coil resistance, R_DC	3.3		6.5		[ohm]
5	Voice coil inductance, L_e (measured at 1 kHz)	1.5		2.3		[mH]
	Voice coil inside diameter	51		51		[mm]
	Voice coil winding height	31		31		[mm]
	Air gap height	8		8		[mm]
	Theoretical linear motor stroke, Xmax	`+/-11.5		+/-11.5		[mm]
	Magnet weight	2.7		2.7		[g]
	Total unit net weight excl. packaging	6.6		6.6		[kg]
3, 5	K_rm	40		75		[mohm]
3, 5	E_rm	0.53		0.50		[-]
3, 5	K_xm	7.6		9.7		[mohm]
3, 5	E_xm	0.80		0.81		[-]

Note 1	Measured in infinite baffle.
Note 2	Tested in free air (no cabinet).
Note 3	Measured using a semi-constant current source, nominal level 2 mA.
Note 4	Measured at 20 deg. C
Note 5	It is generally a rough simplification to assume that loudspeaker transducer voice coils exhibit the characteristics of an inductor. Instead it is a far more accurate approach to use the more advanced model often referred to as the “Wright empirical model”, also used in LEAP-4 as the TSL model (www.linearx.com), involving parameters Krm, Erm, Kxm, and Exm. This more accurate transducer model is described in a technical paper (PDF) here.
Note 6	After burn-in specifications are measured 12 hours after exciting the transducer by a 20 Hz sine wave for 2 hours at level 10/14.1 VRMS (4/8 ohm version). The unit is not burned in before shipping.

OUTLINE DRAWING AND NOMINAL DIMENSIONS

	TERMINAL NOMINAL DIMENSIONS (mm)

	PACKAGING AND ORDERING INFORMATION

Part no. SW259WA01-01

4 ohm version, individual packaging (one piece per box)

Part no. SW259WA02-01

8 ohm version, individual packaging (one piece per box)

Part no. SW259WA01-01	4 ohm version, individual packaging (one piece per box)
Part no. SW259WA02-01	8 ohm version, individual packaging (one piece per box)

Reference SW259WA02

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