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  3. STW-350F-188PR01-04

Peerless by Tymphany STW-350F-188PR01-04 15" (38cm) Subwoofer

3 Reviews

Back again soon 3500 Watt

Peerless by Tymphany STW-350F-188PR01-04 15" (38cm) Subwoofer

3 Reviews

Technical Highlights

  • Power of over 3,500 watts, impedance 2x8 ohms, efficiency.
  • 7.4" voice coil, FEA-optimized ferrite motor, 90mm excursion.
  • Frequency range 10–500 Hz, low distortion, 188mm excursion.
  • More technical details
€699,00
€699,00 €699,00
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Peerless by Tymphany-STW-350F-188PR01-04-15" (38cm) Subwoofer-masori-kaufen
€699,00
€699,00 €699,00

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STW-350F-188PR01-04 by Peerless by Tymphany

The 15-inch subwoofer STW-350F-188PR01-04 from Peerless delivers deep and clean bass reproduction with minimal distortion at high output levels. This driver was designed from the ground up for power, performance, and reliability in the smallest enclosures and, with its 7.4-inch voice coil, internal magnet arrangement, and outrageous excursion, is a welcome departure from conventional subwoofer designs.

The STW-350F-188PR01-04 subwoofer from Peerless was developed with performance and space in mind. These drivers provide deep and clean bass reproduction with minimal distortion at high sound pressure levels. Unlike most subwoofers, the STW-350 can be mounted in a much smaller enclosure than conventional subwoofers, made possible by the low Vas value, high moving mass, and the huge 188 mm voice coil. This driver also features a unique FEA-optimized ferrite motor, an extremely robust suspension, and incredible ventilation that allows exceptionally low power compression even at power levels over 3,500 watts. This driver is built for high-quality performance and long-term reliability.

Highlights:

  • Massive 7.4-inch voice coil produces exceptionally low power compression
  • 2 large aluminum shorting rings for better control and minimal harmonic distortion
  • Dual 8-ohm voice coil allows multiple wiring configurations including dual amplifier designs
  • Internal magnet structure delivers more force from a smaller magnet
  • Lower Vas and Fs with higher BL for unmatched low-end capabilities from the smallest enclosures
  • Extensive voice coil ventilation for quiet operation and increased power handling
  • Over 90 mm mechanical excursion prevents failure under the most demanding conditions
Product details:

  • 15-inch subwoofer from Tymphany by Peerless STW series
  • Power handling (RMS) 3,500 watts
  • Maximum power handling 5,000 watts
  • Impedance D8 (2x8 Ohm)
  • Sensitivity 88.7 dB 2.83V/1m
  • Frequency response 10 to 500 Hz
  • Voice coil diameter 7.4 inches
  • Maximum linear excursion (Xmax): ±10.4 mm

Dimensions:

  • Overall outer diameter 38 cm
  • Overall depth 23.3 cm
  • Cutout diameter 34.8 cm
  • Mounting holes 8

Enclosure recommendation:

  • Sealed volume 56 l
  • Lower cutoff frequency -3dB: 42 Hz
  • All-rounder: vented volume 82 l with 200 cm² and 70 cm length
  • Lower cutoff frequency -3dB: 24.2 Hz
  • Deep bass: vented volume 130 l with 180 cm² and 90 cm length
  • Lower cutoff frequency -3dB: 20 Hz
Internal motor structure:
To drive a high moving mass, a subwoofer needs a powerful motor. An additional advantage of the STW-350F’s giant coil is that Peerless was able to incorporate a ferrite motor inside the voice coil. Conventional motor structures with the magnet outside the motor lose 50% of their energy in stray fields, while a magnet inside the voice coil achieves 90% or better magnetic utilization.
Long coil + long gap = high excursion:
The STW-350F has a remarkably long magnet gap of 36 mm with a 57 mm long voice coil. Thanks to such extreme dimensions and a well-controlled magnetic field, this driver can achieve an excursion of 45.5 mm before a significant loss of motor strength (Bl) occurs. In other words, this driver can reach 90 mm (3.5 inches) peak-to-peak excursion!


Front and rear mounting points:
Due to the weight and extreme force the STW-350F can withstand, Tymphany has provided rear mounting points on the back of the frame. By attaching the back of the frame to a brace inside an enclosure, the baffle is firmly connected to the side walls, increasing enclosure stiffness while supporting the overall weight of the STW-350F. These threaded holes accept M6 x 30 screws.

Parameters:

  • DC resistance (Re) 3.2 Ohm
  • Voice coil inductance (Le) 3.31 mH
  • Resonant frequency (Fs) 25.3 Hz
  • Mechanical Q (Qms) 11.39
  • Electromagnetic Q (Qes) 0.5
  • Total Q (Qts) 0.48
  • Diaphragm mass incl. air load (Mms) 576.8 g
  • Moving mass of diaphragm (Mmd)
  • Mechanical compliance of suspension (Cms) 0.068 mm/N
  • Diaphragm surface area (Sd) 774.4 cm²
  • BL product (BL) 24.18 Tm
  • Equivalent compliance volume (Vas) 58 l
  • Cone / diaphragm material Paper / carbon fiber
  • Surround material Rubber
  • Voice coil wire material Copper
  • Voice coil former Fiberglass
  • Dual voice coil
  • Basket/frame material Die-cast aluminum
  • Magnet material Ferrite

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Peerless by Tymphany STW-350F-188PR01-04 Datasheet

Open datasheet

Frequently Asked Questions about STW-350F-188PR01-04

What is the power rating of the STW-350F-188PR01-04 Subwoofer?

The STW-350F-188PR01-04 from Peerless features a robust power handling of 3,500 Watts RMS and a maximum capacity of 5,000 Watts. This impressive performance is enabled by the integrated 7.4-inch voice coil and the FEA-optimized ferrite motor, which ensures exceptionally low distortion even under high load. Additionally, the specially designed voice coil ventilation contributes to durability and stability at performance levels. The overall concept of this Subwoofer is based on utilizing a compact design with high efficiency, making it ideal for demanding applications that rely on powerful bass.

How is the voice coil of the STW-350F-188PR01-04 constructed?

The voice coil of the STW-350F-188PR01-04 Subwoofer is a powerful 7.4-inch component. It is made of copper wire and is wound on a fiberglass former to ensure high thermal stability. The long magnetic gap of 36 mm and the 57 mm long coil allow for extremely large excursions, providing exceptionally deep bass performance. This construction minimizes heat generation and maximizes efficiency. Thanks to the internal magnet structure that optimizes the load, the Subwoofer achieves a displacement of up to 90 mm, which is sufficient for even the most demanding audio applications.

What frequencies can the Peerless STW-350F-188PR01-04 reproduce?

The frequency response of the Peerless STW-350F-188PR01-04 ranges from 10 Hz to 500 Hz, making it ideal for reproducing deep bass to higher sub-bass frequencies. With a resonance frequency (Fs) of 25.3 Hz and a total Q value (Qts) of 0.48, this Subwoofer delivers precise and powerful bass optimized for home and vehicle audio systems. The combination of a low Vas value, high sensitivity of 88.7 dB, and optimal mechanical load capacity ensures that the driver operates reliably even under extreme conditions.

What are the dimensions of the STW-350F-188PR01-04 Subwoofer and what does that mean for installation?

The Peerless STW-350F-188PR01-04 has an overall outer diameter of 38 cm and a mounting depth of 23.3 cm, making it suitable for compact enclosure applications. The cutout for the speaker has a diameter of 34.8 cm. With 8 mounting holes, secure attachment to the enclosure wall is guaranteed. These specific dimensions allow for flexible integration into various enclosure types and ensure high quality processing of the low frequencies. The stable front and rear mounting points enable secure installation and guarantee that the mounting can withstand the stresses of high sound pressure levels.

What enclosure recommendations are there for the Peerless STW-350F-188PR01-04 Subwoofer?

For the STW-350F-188PR01-04, a sealed volume of 56 liters is recommended, which allows for a lower cutoff frequency of about 42 Hz. For more bass, a vented enclosure with 82 liters, an opening of 200 cm², and a length of 70 cm could be used, which reaches -3dB at 24.2 Hz. For those wanting to go even lower, a deep bass enclosure with a volume of 130 liters and an opening of 180 cm², 90 cm long, could be implemented, which rolls off at 20 Hz. These options maximize performance in the low-end range with minimal space requirements.

How does the dual voice coil of the STW-350F-188PR01-04 work?

The dual voice coil of the STW-350F-188PR01-04 consists of two 8-ohm coils that allow for flexible wiring configurations. This arrangement enables parallel or series connections, facilitating adaptation to various amplifier designs, including those with dual amplifiers. The advantage lies in the increased efficiency and performance optimization of the Subwoofer. By changing the connection configuration, the impedance can be adjusted to different requirements, which is particularly beneficial for complex audio systems that expect individual performance settings.

What materials is the STW-350F-188PR01-04 made of and how does this affect performance?

The STW-350F-188PR01-04 from Peerless consists of an aluminum die-cast frame that provides stability and durability. The diaphragm is made from a paper-carbon fiber combination that offers a good strength-to-weight ratio and improves response speed. The rubber surround maximizes the flexibility and durability of the diaphragms. The voice coils are made of copper on a fiberglass former, which supports heat dissipation and thus improves performance under continuous load. This combination of materials allows the Subwoofer to operate reliably and precisely even under high loads.

How does the ventilation system in the STW-350F-188PR01-04 Subwoofer work?

The STW-350F-188PR01-04 features a well-thought-out ventilation system that consists of extensive voice coil ventilation, ensuring quiet operation and increased load capacity. This ventilation structure reduces the heat generation of the voice coils and thereby minimizes electrical Damping. The architecture allows for exceptionally high performance with low power compression even at peak loads of over 3,500 watts. Through the controlled airflow within the enclosure, the components of the Subwoofer maintain their efficiency even under challenging conditions, extending the performance and lifespan of the Subwoofer.

What are the technical parameters of the Peerless STW-350F-188PR01-04 Subwoofer?

The Peerless STW-350F-188PR01-04 has a resonance frequency (Fs) of 25.3 Hz and a DC resistance (Re) of 3.2 ohms. The voice coil inductance (Le) is 3.31 mH, while the mechanical Q value (Qms) is 11.39, the electromagnetic Q value (Qes) is 0.5, and the total Q value (Qts) is 0.48. The diaphragm mass including air load (Mms) is 576.8 g. With a moving mass of the diaphragm (Mmd) and a surface area of 774.4 cm², the Subwoofer is designed to efficiently handle low frequencies. The BL product is an impressive 24.18 Tm, a sign of the powerful motor structure.

How is the internal motor of the STW-350F-188PR01-04 constructed?

The internal motor of the STW-350F-188PR01-04 consists of a FEA-optimized ferrite motor system that is uniquely integrated into the voice coil. By being placed internally in contrast to conventional external solutions, the magnet achieves an efficiency increase of over 90% by minimizing stray field losses. This design allows the Subwoofer to operate with maximum efficiency and drive the significant moving mass required for solid bass. The overall stability of the components, even at high excursions, is further supported by the thoughtful design.

Manufacturer information / responsible person

Audio Components BV
Koen Pronk, Martijn Ouwerkerk
Peizerweg 97a
9727AJ Groningen
Netherlands

Contact: info@audio-components.com"

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