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Which Dayton Audio 12" Subwoofer (HO-4 or HF-4) in old REL Q100E enclosure?
Which Dayton Audio 12" Subwoofer (HO-4 or HF-4) in old REL Q100E enclosure?
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Old 10th November 2019, 10:28 AM   #1
kujina is offline kujina  United Kingdom
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Join Date: Mar 2005
Location: UK
Question Which Dayton Audio 12" Subwoofer (HO-4 or HF-4) in old REL Q100E enclosure?

Hi

I'm going to upgrade my old REL Q100E!

Its been used for movies and will continue to be used for movies.

Click the image to open in full size.
Enclosure: 50 litre (1.7 ft.ģ), sealed box, Dimensions: 400 x 415 x 400mm


I've got a 300W Class D Monacor SAM-300D/Yung SD300-6 plate amp I'm going to install.


I'm wondering whether I should put in a...

Dayton Audio RSS315HF-4 12"
or
Dayton Audio RSS315HO-4 12"

Any advice appreciated, thanks!
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Old 10th November 2019, 12:20 PM   #2
mart34 is offline mart34  England
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Join Date: Jul 2004
Location: England
Dayton make great drivers, so one of them would definitely be great, subject to modelling in your enclosure size.

For info - BK elec do a 12 inch driver AD12-300 which would be 60% cheaper than the Daytons. The AD12-300 has been used by REL for a long time in their subs, including models available nowadays (R305 I think).
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Old 10th November 2019, 02:03 PM   #3
Turbowatch2 is offline Turbowatch2  Germany
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Location: Northern germany
For your application, considering cabinet and amp, the HF would be a plug&play solution.
Be prepared to experience a very different sound to the original sub, minimum 2 times better in class. Maybe brace the box from the inside, as pressure will be much higher. Bracing makes subīs sound fast and dry.

The HO woofer is a very special breed, because of itīs heavy cone you would need a much stronger amp than the SA-300D, which is a very good choice for a plate amp.

The HF + SAM 300D + 40-50 liters internal volume will make an excellent sub.

If you have wood building skills, you could construct a vent under the cabinet (so you do not loose volume) and tune it even lower, but I think you will be more than satisfied with the closed version.
Be sure to make it air tight when fitting the plate amp, best is an own enclosure for it.
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Old 11th November 2019, 01:01 PM   #4
kujina is offline kujina  United Kingdom
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Join Date: Mar 2005
Location: UK
Thanks for the replies guys. Nice to know about the AD12-300 Mart34, though I already have both a RSS315HF-4 12" and a RSS315HO-4 12".

Turbowatch2 I was also leaning towards a RSS315HF-4 12" considering I will be using a 300W Class D amp and the RSS315HO-4 benefits from more power it seems.
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