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SUPPORT FORUMS FOR DECWARE SPEAKER PLANS >> Housewrecker Support Forum >> Laying the HWK down TS parameters
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Message started by asiquis on 06/23/07 at 16:43:14

Title: Laying the HWK down TS parameters
Post by asiquis on 06/23/07 at 16:43:14

Thanks for all the support. More questions:
When using the HWK 18 can it be used horizontally? If so could/should the two ports be facing up? What testing bits and peices do I neede I have heard the Mach 5 18" driver will work well. Are there Thiel Small parameters mentioned somewhere for the HWK 18 that I have missed? I see specs for the HWK 15.

Fr. Ray

The parishioners are looking ay me sideways for building this sub but the new organist is very pleased. ::)

Title: Re: Laying the HWK down TS parameters
Post by HT-EXT on 06/23/07 at 16:55:53

The HWK design began with the 15" woofer. The design is a very forgiving and specs should be taken into consideration but not manditory. Look for a 18" subwoofer with good X-max (12mm to 20mm) and Fs around 27Hz to 20Hz or lower should be more than enough to do damage to its surroundings. MACH 5 AUDIO woofers are top notch. I have two of MAW 10s that I purchased for $30 ($20 shiping). A woofer of the same build quality (in the U.S.) would prolly cost over $100 easy. You can't go wrong with MACH 5 AUDIO. If you need more info let me know.

HT-EXT

Title: Re: Laying the HWK down TS parameters
Post by asiquis on 06/30/07 at 20:21:36

I have found this driver as well would it do the trick:

Tempest Classic 15"
Overall Dia.: 15-3/16"
Cutout: 13-15/16"
Front Mount Height: 3/4"
Mount Depth: 6-13/16"
Displacement: 5 liters

Specs taken with voice coils in parallel.
Re 3.5 ohms

Le 2.9 mH

Qms 6.7

Mms 195 grams

Qes .40

Cms 0.374 mm/N

Qts .39

Fs 18.8 Hz

Sd 779 cm^2

Vas 317 liters

BL 14.2 N/A

Xmax 16.4 mm one way

EBP 47

SPL 89.1 dB @ 1W/1m

VC Dia. 2-1/2"

Power Rating 750W total

Title: Re: Laying the HWK down TS parameters
Post by 60_and_up on 07/01/07 at 06:18:36

build it to plans, dont change anything, use good drivers and a good amp and it will work well.

it can get down to 13 hertz.