Official Rythmik Audio Subwoofer thread - Page 954 - AVS Forum | Home Theater Discussions And Reviews
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post #28591 of 28602 Unread 04-20-2017, 08:59 AM
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Originally Posted by basshead81 View Post
The cabinet is much larger then the V1801, the amp is also much heavier. Driver might be a little heavier too.

The driver and amp is heavier then the JTR, plus JTR uses Baltic birch which is lighter then mdf.
As big as big as FV18s cabinets are (21"(W) x 33" (H )x 22"(D) - (23" D with grille and heatsink)), each one is still about the same size as my Hsu VTF-3 MK3 Turbo (33”(h) w/ Turbo X 17”(w) X 25”(d)), which they will be replacing. They are heavy, though. The shipping weight of each is 180 pounds, which is double the net weight of my old Hsu, less its Turbo unit.

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post #28592 of 28602 Unread 04-20-2017, 09:03 AM
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Originally Posted by enricoclaudio View Post
The DS1802 driver alone is 40 lb.
Enrico -- The FV18 spec page describes its driver as a DS1820 18" high excursion with custom sensing coil. How much does it weigh?

HT setup: Sony 75XBR X940D UHD HDR TV; Kaleidescape Strato Movie Server 6 TB; Yamaha RX-A3060 AV receiver; Crestron Control System; Hsu VTF-3 MK3 Turbo subwoofer, 6 Hsu HB-1 Bookshelf speakers, 1 Hsu HC-1 Center speaker, 4 Focal ICW8 in-ceiling Atmos speakers; Oppo UDP-203 4K HDR BD player; Mac Mini HTPC. TiVO Bolt 1TB DVR; TiVo Premiere Elite 2 TB DVR
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post #28593 of 28602 Unread 04-20-2017, 09:15 AM
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Originally Posted by gwsat View Post
Enrico -- The FV18 spec page describes its driver as a DS1820 18" high excursion with custom sensing coil. How much does it weigh?
Sorry, that was a typo. The driver on FV18 is the DS1820 and it weights 40 lb.
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Enrico Castagnetti @ Rythmik Audio
Media Room: Ascend Acoustics Sierra Towers w/ RAAL, Horizon w/ RAAL & Sierra 2s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac|
Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz NR1606 | Emotiva XPA-200 Gen 2 | Samsung UN50JU6500 |
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post #28594 of 28602 Unread Yesterday, 06:36 PM
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Originally Posted by imureh View Post
What makes this sub over 70lbs more than the V1801 and 50lbs more than the JTR 118HT?
Although it was mentioned the actual weight is more like 155 vs 180, remember that the V1801 is a VERY small 18" ported sub, so much less weight due to smaller cab. And the JTR is probably not any smaller but does use baltic birch rather than MDF, which is much lighter(but very strong).
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post #28595 of 28602 Unread Yesterday, 07:45 PM
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Originally Posted by bear123 View Post
Although it was mentioned the actual weight is more like 155 vs 180, remember that the V1801 is a VERY small 18" ported sub, so much less weight due to smaller cab. And the JTR is probably not any smaller but does use baltic birch rather than MDF, which is much lighter(but very strong).
Baltic birch doesn't require the bracing that MDF does. Vs properly braced MDF, there is no performance advantage to BB. Although it should be more durable over a lifetime. I would want baltic birch if I was travelling (PA) or worried about flooding.

*JTR: 17mm baltic birch 13-ply
*Rythmik: ¾" = 18mm MDF
*PSA: 1" = 25.4" MDF (both sides texture painted or veneered)
*Seaton: 1" = 25.4mm MDF (both sides veneered) (1.5" MDF for F18 faceplates), SS used BB in the past
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post #28596 of 28602 Unread Yesterday, 08:54 PM
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Originally Posted by Marc Alexander View Post
Baltic birch doesn't require the bracing that MDF does. Vs properly braced MDF, there is no performance advantage to BB. Although it should be more durable over a lifetime. I would want baltic birch if I was travelling (PA) or worried about flooding.

*JTR: 17mm baltic birch 13-ply
*Rythmik: ¾" = 18mm MDF
*PSA: 1" = 25.4" MDF (both sides texture painted or veneered)
*Seaton: 1" = 25.4mm MDF (both sides veneered) (1.5" MDF for F18 faceplates), SS used BB in the past
In fact, the front panel is 1-1/2" and the back panel is 1" MDF, even on E15HP, F15HP and FV15HP. 18mm MDF for sides, top, bottom and braces.
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Media Room: Ascend Acoustics Sierra Towers w/ RAAL, Horizon w/ RAAL & Sierra 2s | Rythmik F12SE (x2) | Marantz SR7008 | Parasound Halo P5 | Emotiva XPA-3 & XPA-200 | Oppo 105D | Sony HW40ES |
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post #28597 of 28602 Unread Yesterday, 09:24 PM
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ply wood i dont care what kind isnt as good as mdf for subs...I have made alot of plywood subs back in the day and they just dont sound as good imo.

Power: Marantz sr7008, NAD C 275Bee x 2, Video: Oppo 103, Samsung 75un6300
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post #28598 of 28602 Unread Yesterday, 09:45 PM
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Rythmik sub is heavier than other ID sub manufacturers mainly comes from its analog amp. I am guessing Rythmik amp would be ~15-25lbs versus ~4-6lbs from Speakerpower?
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post #28599 of 28602 Unread Yesterday, 10:02 PM
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Quote:
Originally Posted by enricoclaudio View Post
In fact, the front panel is 1-1/2" and the back panel is 1" MDF, even on E15HP, F15HP and FV15HP. 18mm MDF for sides, top, bottom and braces.
Nice, you should advertise this. Your website needs a serious overhaul. HTML5 instead of flash.
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post #28600 of 28602 Unread Today, 10:04 PM
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Originally Posted by Marc Alexander View Post
Nice, you should advertise this. Your website needs a serious overhaul. HTML5 instead of flash.
html5 & node.js

jbl l100t3 (x2), rythmik fv15hp (x2), phase linear 700b, samsung ln52b750, sony str-db930
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post #28601 of 28602 Unread Today, 10:45 PM
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Originally Posted by torii View Post
who needs subs when towers get you this? not a bragging statement, just a statement...
i need radio shack where to buy
amazon.com unable to get
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post #28602 of 28602 Unread Today, 11:21 PM
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who needs subs when towers get you this? not a bragging statement, just a statement...
Was this playing a test tone or a movie scene? SPL is the total sound under the curve so 108dB may not be representative of the bass capabilities of your towers, just the complete sound level. Grab a UMIK-1 and REW and we can get real measurements.
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f12g subwoofer , lv12r , Rythmik , Rythmik Audio , Rythmik Audio F12 Direct Servo Subwoofer , Rythmik Audio F15 Subwoofer , servo sub



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