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Old September 19th, 2016, 5:10 PM
Kevin_Hsu Kevin_Hsu is offline
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Introducing the VTF-1 Mk3

Dear Hsu Family:

Hsu Research is proud to introduce to you the VTF-1 Mk3! The VTF-1 Mk3 improves on the performance of the, already well reviewed, VTF-1 Mk2 at a lower price point. Once again we are giving you even better bang for your buck! The VTF-1 Mk3 now features a front firing design with a 250w continuous amplifier. No more need to worry about spiked feet and how that may affect your hard floors. As always, our VTF series subs will feature our variable tuning technology, along with our variable Q and EQ controls, which allows you to better control the bass response and performance characteristics of the sub to fit your personal preference and room acoustics.

Specifications:

Amplifier
- 1000w short-term, 250w continuous amplifier with a class A/B output stage/switching power supply, featuring a custom EQ, soft clipping, subsonic filtering, phase switch, 24dB/oct low-pass adjustable Linkwitz-Riley
crossover, continuously variable Q control, high-level inputs, low-level inputs.

Driver
- Newly Redesigned 10" driver (Front firing)

Enclosure - 18.5" x 14.5" x 17" H x W x D (add 1" to H for feet and 2" to D for heat sink and grille) featuring rounded corners vinyl black wrap.

Measurements - 25 Hz low end extension with one port open and 32 Hz with two ports open
CEA2010 (measured 1m from woofer, peak): [2 Ports Open/1 Port Open]
40-63 Hz: 120.4 dB/117.3 dB
20-31.5 Hz: 108.2 dB/107.7 dB

Product Pricing - Base price of $399 + S/H.

Warranty - 7 years on the driver and up to 5 years (2 years standard) on the electronics


Now Shipping!


See the link below for more information:
http://www.hsuresearch.com/products/vtf-1mk3.html
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  #2  
Old September 28th, 2016, 6:51 PM
pr@j pr@j is offline
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Congrats on the new addition!

Great to see the HSU offerings expanding! What room size (cubic foot volume) would this sub support?

I'm still saving up for a VTF-15H based set - our main room is part of an open concept main floor - about 4000 cu ft

Room A - 1620 cu. ft (9ft ceilings) + stairwell to upper floor (~20 ft high)
Room B - 2475 cu ct (11 ft sloped cielings)
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Old September 30th, 2016, 5:06 PM
Kevin_Hsu Kevin_Hsu is offline
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Hi PR@J

I would basically keep around the same estimates on our site (3000 cu ft). Though that's a very basic guidelines as there are many other variables that determine which sub would work best. We've had people that had a VTF-15H in a 2500 cu ft room and felt they needed two to meet their output needs and we've had ones that had an STF-2 in a 6000 cu ft room and that was enough for them. It just depends on your listening preferences, placement, openings, etc. Do you have a room diagram for both of those rooms?
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