Seas Thor Speaker Kit Pair- parts only

Price: $1,715.49

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Manufacturer: Seas Excel
Product ID : thor
Weight: 33.00 lbs
Manufacturer: Seas Excel
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Description

Seas Thor Speaker Kit

Premium MTM design using Seas Excel drivers in a transmission line cabinet. Transmission-line (TL) loudspeakers have long enjoyed a small but dedicated following, especially in the DIY community. The advantages of TLs are well known. They are essentially non-resonant enclosures, producing a deep, well-controlled bass response. For a given driver, bass response can often extend well below that produced with either a vented or sealed enclosure using the same driver. Above a few hundred Hz, the line-filling material completely absorbs the driver back wave, giving the TL an open, non-boxy sound.

The Seas Thor kit consists of 4x Seas W18E-001 7" woofers, 2x Seas T25CF-002 in MTM arrangement, 2x fully assembled premium crossovers, and all internal accessories required. The two W18 Excel magnesium cone woofers and the T25 Millennium fabric dome tweeter are mounted in a D'Appolito configuration. The D'Appolito configuration offers a number of advantages over standard single-woofer designs:

* Controlled vertical directivity in the midrange which reduces the effect of floor and ceiling reflections.
* Excellent imaging and spatial characteristics.
* Higher system sensitivity.
* Lower distortion.
* Increased bass output.

The kit includes a detailed PDF printout with instructions for assembly, including easy-to-read cabinet plans and installation of the accessories.

For more in-depth information about the design, please see the article by Dr. Joseph D'Appolito and Dennis Colin in AudioXpress.


Specifications:

thor_specifications.jpg

Configuration:

The THOR is the top-of-the-line loudspeaker kit from SEAS. It is a full range, floor-standing system that provides the very highest level of acoustic performance. The enclosure uses a transmission line configuration, derived both from sophisticated computer modeling and extensive experimentation. The line is tapered, and filled with Dacron stuffing. The two W18E001 woofers excite the line at slightly different points, smoothing the response and increasing the range of bass output. The transmission line produces 4 dB of bass lift from 20Hz to 110HZ, with less than 1 dB of ripple. The -3dB point is 45Hz, with roll off of 12dB per octave below 45Hz. Usable in-room bass response extends well into the low 30Hz range.

Crossover details:

The crossover network is conventional except for a parallel circuit which suppresses the response peak due to the magnesium cone. The crossover frequency is 2.5kHz. We are building these exclusively with high-end parts: Goertz Copper Foil inductors, Clarity ESA capacitors, and Mundorf resistors. Upgrade further to Mundorf Supreme on the hi-pass via the pull-down menu.




Optional Accessories Package:

4x Bennic DB Single-Wire Terminal Cups

18' Foam Tape for gasketing

24 oz. of Poly Fill

32x #8 x1" Pan Head Screws

12x #6x 3/4" Pan Head Screws

16x #6x 3/4" Oval Head Screws

34' Supra Classic 1.6 cable

36" Solder

1 tube GOOP

Online reviews of the Seas Thor Speaker Kit

Want custom cabinets built?

Many of our cabinets can be custom built by Lee Taylor & Co. of Philmont NY. Please follow the link below to Lee's website and discuss veneer options and pricing. Lee can also put your speakers together for an additional fee.

For over twenty years Lee has been building speaker enclosures for speaker companies, kit builders, experimenters and designers. Using veneer presses for veneering, never paper backed or contact cement. His finishing facilities and extensive shop capabilities create the very finest quality work. Each detail, from cutting in drivers, bracing, veneering to joinery: “drop dead gorgeous” (Stereophile). Customers frequent responses are: “your work is amazing!," and "I’m shocked, astonished and delighted.”

Single kits may be ordered for half the pair price.

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