All items tagged with woofer (74)

Test Bench-Purifi Audio’s PTT5.25X04-NFA-01 Midbass Woofer

January 25, 2023 by Vance Dickason

Test Bench-Purifi Audio’s PTT5.25X04-NFA-01 Midbass Woofer

For this Test Bench, Vance Dickason focused his full attention on another innovative driver from Purifi Audio, this time the PTT5.25X04-NFA-01 5.25” Midbass Woofer. At the core, this Purifi midbass woofer is pretty much identical to the PTT6.5X and PTT4.0X, and includes the same constant Sd surround and low magnetic hysteresis motor design. The Test Bench explores all the design aspects and measures all the relevant and unique features of this very original design. This article was originally published in Voice Coil, October 2022.

Test Bench: Scan-Speak’s 38WE/8582T00 15” Ellipticor Oval Voice Coil Woofer

November 8, 2022 by Vance Dickason

Test Bench: Scan-Speak’s 38WE/8582T00 15” Ellipticor Oval Voice Coil Woofer

This Test Bench characterizes a 15" Ellipticor woofer from Scan-Speak using the company's proven oval/elliptical design topology. The 38WE is a seriously feature rich transducer, starting with a nicely configured 10-spoke cast-aluminum frame and a completely open area below the suspended spider mounting shelf for effective cooling of the Symmetrical Drive (SD) AirCirc multi-magnet design with neodymium slugs and elliptical two-layer voice coil. This article was originally published in Voice Coil, July 2022.

Test Bench: SB Acoustics’ MW19TX-8 Home Audio TPCD (TeXtreme) Cone Midbass Driver

June 2, 2022 by Vance Dickason

Test Bench: SB Acoustics’ MW19TX-8 Home Audio TPCD (TeXtreme) Cone Midbass Driver

The Satori MW19TX-8 TPCD cone 7.5" woofer is the fourth TPCD diaphragm transducer to be explicated in Test Bench, the first being an Eminence compression driver and the remaining all woofers from SB Acoustics. The high-end MW19TX-8 has a substantial feature set with similar features as the rest of Satori series with TPCD cones, impressing immediately by its distinctive cosmetics and subjective performance, which this characterization illustrates.

Test Bench: Wavecor WF275BD01 10.75” Home Audio Woofer

April 27, 2022 by Vance Dickason

Test Bench: Wavecor WF275BD01 10.75” Home Audio Woofer

Part of a new series of drivers announced in October 2020 by Wavecor, this woofer could also be advantageous in high-powered studio monitors. This high-power design targets home audio and home theater applications, including two-way (with larger ribbon/AMT drivers, or compression driver/horn combinations) and three-way speakers. This article was originally published in Voice Coil, January 2022.

Test Bench: SB Acoustics’ Satori MW13TX-4 5” TPCD Cone Midbass Driver

April 21, 2022 by Vance Dickason

Test Bench: SB Acoustics’ Satori MW13TX-4 5” TPCD Cone Midbass Driver

TPCD is the acronym for Thin-Ply Carbon Diaphragm, which is essentially the technology developed in Sweden by Oxeon to create a new-generation material with properties that are now well-proven for speaker cones and domes. The Satori MW13TX-4 TPCD cone 5” woofer is the fourth TPCD diaphragm transducer to be explicated in Test Bench, and this one has a substantial feature set, including a single piece bowl-shaped TPCD cone and NBR surround. This article was originally published in Voice Coil, January 2022.

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

September 1, 2021 by Vance Dickason

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

This Test Bench article characterizes the SB Acoustics Satori MW16TX-8 TeXtreme Cone 6.5” Woofer, the third diaphragm transducer in Test Bench using this material, following the Eminence N314X-8 compression driver, and the SB Acoustics TW29TXN-B-4 dome tweeter. TeXtreme diaphragms are definitely finding acceptance among loudspeaker manufacturers. The MW16TX-8 is part of the SB Satori line of high-end transducers and has a substantial feature set. This article was originally published in Voice Coil, June 2021.

Test Bench: Eighteen Sound NSD1424BTN 1.4” Pro Sound Compression Driver

August 19, 2021 by Vance Dickason

Test Bench: Eighteen Sound NSD1424BTN 1.4” Pro Sound Compression Driver

This Test Bench characterizes an ultra-compact 1.4” compression driver design from Eighteen Sound, the NSD1424BTN, combined with the brand's XT1464 60°x50° horn. This driver is driven by a 62mm diameter edge-wound voice coil, proprietary True Pistonic Motion (TPM) Tin (nitrate compound)-coated titanium diaphragm, 3P phase plug design with short openings and a high flare rate to reduce distortion and improve mid-range detail. This article was originally published in Voice Coil, May 2021.

Test Bench: The AUGWL0006-JN01 Aluminum Cone Woofer from Eastech’s Punktkilde Line

May 6, 2021 by Vance Dickason

Test Bench: The AUGWL0006-JN01 Aluminum Cone Woofer from Eastech’s Punktkilde Line

The AUGWL0006-JN01 is a new 2.25" woofer from Eastech’s Punktkilde lineup. With a depth of 7/8", the AUGWL0006-JN01 is part of the Ultra-Thin Series. The feature set is rather clever, using a black anodized aluminum cone assembly and dust cap, suspended with a NBR surround. A 25mm round foam surround supplies the additional compliance, and a large 35.5mm diameter under hung voice coil rides inside a double set of neodymium ring magnets. This article was originally published in Voice Coil, February 2021.

SEAS Announces New Excel Graphene W12CY004 Midrange Woofer

February 26, 2021 by audioXpress Staff

SEAS Announces New Excel Graphene W12CY004 Midrange Woofer

SEAS continues hard at work, expanding its Excel Graphene driver series with new models that fully explore the benefits of its proven magnesium cones enhanced with graphene coating that effectively eliminates resonances and makes them more resistant. SEAS now introduced the Excel Graphene W12CY004 (E0070-08), a very compact (4" cone) driver featuring a state-of-the-art FEA optimized motor-design that can be used both as a dedicated midrange and as a woofer in a small compact speaker.

Test Bench: The SDx10 Home Audio Woofer from CSS Audio

February 10, 2021 by Vance Dickason

Test Bench: The SDx10 Home Audio Woofer from CSS Audio

The driver under test in this Test bench is the SDx10 home audio woofer from Creative Sound Solutions (CSS) Audio, using XBL^2 dual gap motor technology licensed from inventor Dan Wiggins. The CSS SDx10 also has a well-appointed feature set that includes a very stiff coated black paper/carbon fiber blended composite cone with a convex black hard paper dust cap, NBR surround, and semi-progressive cloth spider. All this is driven by a (2.4" six-layer voice coil with two 12mm thick ferrite magnets sandwiched between a thick XBL-configured front plate and black-plated thick T-yoke. This article was originally published in Voice Coil, November 2020.

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