SEAS Prestige ER18RNX-8 - H1456-08 Bass-midwoofer

SEAS | Mid-bass driver

SEAS Prestige ER18RNX-8 - H1456-08 Bass-midwoofer

Name: SEAS Prestige mélysugárzó 7" | HQ AudioParts
Brand: SEAS
SKU: ER18RNX-8
Price: 53990.00 HUF
Availability: LimitedAvailability

SKU: ER18RNX-8

177.8 mm 8 Ω

Achieve accurate, natural midbass reproduction in your high-fidelity loudspeaker designs with this 7-inch paper cone woofer from SEAS. Its coated paper cone and rubber surround deliver controlled, low-coloration performance. The total Q factor (Qts) is 0.32, suitable for sealed and vented enclosures.

53 990 Ft

(42 512 Ft + VAT)

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Külső raktár 2. 4 pcs Aug 5.

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Technical data

Nominal diameter	177.8 mm
Impedance	8 Ω
Resonance frequency (Fs)	37 Hz
Sensitivity (SPL at 1 m / 2.83 V)	88.5 dB
Power tolerance (max)	25 W

Maximum linear deflection (Xmax)	6 mm
Total Q (Qts)	0.32
Electromagnetic Q (Qes)	0.39
Mechanical Q (Qms)	1.58
DC resistance (Re)	5.9 Ω
Voice coil inductance (L_e)	0.67 mH
Equivalent volume (Iron)	31.998 l
Moving mass with air load (Mms)	14 g
Mechanical compliance of the suspension (Cms)	1.3 mm/N
Woofer type	DL200 Audio DAC
Voice coil diameter	38.86 mm
Weight of a magnet	637.9 g
Subwoofer Series	SEAS Prestige Series
Dimensions (mm)	176 mm
Screw head diameter	166.1 mm
Diameter of the baffle cutout	145.3 mm
# Mounting holes	6
Diameter of the access opening	5.1 mm
Depth	83.3 mm

The SEAS Prestige ER18RNX-8 is a 7-inch paper cone woofer engineered to deliver exceptional midbass performance in high-fidelity loudspeaker designs. As part of the renowned Prestige series, this driver combines traditional materials with modern engineering to produce a natural, uncoloured sound that audiophiles and DIY enthusiasts will appreciate.

This versatile woofer excels in both two-way and three-way loudspeaker systems, making it an ideal choice for standmount monitors, floorstanding speakers, or even as a dedicated midbass unit in multi-way designs. Its controlled low-frequency extension and smooth roll-off characteristics allow for seamless integration with tweeters and subwoofers, ensuring a cohesive and balanced soundstage across the entire frequency range.

Technically, the ER18RNX-8 features a coated paper cone with a rubber surround, providing excellent damping and low distortion. The 6mm linear excursion (Xmax) enables dynamic bass reproduction, while the 88.5dB sensitivity ensures efficient power handling. With a total Q factor of 0.32 and a low voice coil inductance of 0.67mH, this driver offers precise transient response and excellent control. The 5.9-ohm DC resistance and 177.8mm nominal diameter are complemented by a 145.3mm cutout diameter and six mounting holes for easy installation.

Whether you are designing a high-end home theatre system or a purist stereo setup, the SEAS Prestige ER18RNX-8 delivers the accuracy and refinement required for truly immersive listening experiences.