Hi Fi Studio Sdn Bhd
61, Jalan Dedap 6,
Taman Johor Jaya,
81100 Johor Bahru,
Johor, Malaysia.
+607-352 1923
+607-352 1923

RYTHMIK AUDIO LVX12 12" Ported subwoofer

RYTHMIK AUDIO LVX12 12" Ported subwoofer

RYTHMIK AUDIO LVX12 12" Ported subwoofer

RM 7,620.00 In Stock
Performance & Specifications

LVX12 has two port openings. With one port open, the max extension is 14hz and the bass extension toggle switch should be set to either 1P-music or 1P-HT. The latter is recommended for HT playback. The bass extension toggle switch needs to match the number of ports used.

In the following is the frequency response when bass extension is set to 1P-HT with one port open.

sealed response

Fig 1.0 - LVX12 Frequency response chart with LFE input 1P-HT and one port open

To achieve lower group delay in one port operation (such as for music playback), users can set the bass extension switch to 1P-Music. It has a more gradual roll-off and yet lower extension (-6db at 14hz) compared to that of 1P-HT. In the following is the requency response comparison between these two modes.

sealed response

Fig 1.1 - LVX12 Frequency response comparison of 1P-music and 1P-HT with LFE input

For highest SPL HT playback output, users should select 2P mode with both ports opened. While the extension is only limited to 20hz, the power of the amplifier is better utilized for audible frequency band instead of less audible sub-sonic band. In the following is the requency response of 2P mode.

sealed response

Fig 1.3 - LVX12 2p mode response with LFE input and two ports open

One of the strength of directservo subwoofers is the consistency of the frequency response. LVX12 has a frequency response very similar to FV15HP/FVX15, making it easy to mix these subwoofers in the same room without phase issue as shown in the phase response plots.


One important aspect of getting a correct integration is phase alignment. We have written a guide on how to achieve a phase aligned subwoofer. More >

Driver 12'' high excursion driver with custom sensing coil
Driver materials paper cone with rubber surround
  Aluminum flux de-modulation shorting rings
Amplifier 400RMS Hypex Ucd module based patented servo controlled
Dimensions 17''(W) x 20-1/2'' (H )x 22''(D) - (24'' D with grille and control knobs)
Shipping Weight 80 lbs
Frequency Response 14 - 200 Hz (-2 dB @ 18 Hz, -6db@14hz) with LFE input
  14 - 90 Hz (-2 dB @ 18 Hz, -6db@14hz) with LINE IN input
Multi-tune 20hz (2 ports) and 14hz (1 port)
Crossover slope Selectable 12 or 24 dB / octave
Crossover range (Low pass) 30 - 120 Hz (Line level frequency response tops out at 100hz)
Rumble Filter (High pass ) 20 Hz 18 dB / octave for two port tuning
Phase adjustment 0 - 180 degrees continuously variable
Bass damping factor settings Q=0.5 (1P-music) and Q=1.1 (1P-HT and 2P)and low (Q=1.1)
Finishes Available in black matte vinyl and black oak vinyl

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