Question about Velodyne CHT-10 Subwoofer

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Low pass crossover

What does this do for me

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Low-pass crossover
Both sets of inputs sum the left and right channels together and the
resulting signal is passed through an adjustable low-pass crossover before
being amplified. The crossover control allows you to adjust the upper limit
of the subwoofer's frequency response from 40 to 120 Hz. The subwoofer's
response will begin rolling off above the frequency you set this control to.
You should set the crossover frequency to obtain a smooth and seamless
transition from the subwoofer to the main speakers in your system. If your
main speakers are smaller units with limited low frequency output, you
may wish to choose a higher frequency (such as 100-120Hz) than you
would with larger speakers which have greater low frequency output. With
larger speakers, you might start with this control set lower, such as 80Hz.

Posted on Mar 28, 2009

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Why won't the two speakers work together?


a bit vague ?
I am assuming you are trying to connect a sub wooofer and a normal speaker of some kind. A sub woofer works for low frequencies so you may need a crossover to pass low frequencies to the subwoofer and other frequencies to the normal speakers.
The other reason may be the impedance of the two speakers being wired together may make the total impedance out of the normal impedance level of the amplifier.

Sep 22, 2015 | Speakers & Subwoofers

1 Answer

Can we use the subwoofer as an amplifier for speakers? it has jacks for speaker in/out, but i can't figure out how to make it work because the speakers have no sound.


I don't believe this hookup is amplified; but, if you have used the regular unfiltered speaker connections from your receiver/amplifier to hookup the subwoofer, the system will pass the signal thru the outputs subject to the crossover adjustment on the back panel. You cannot get the full signal if your system is sending only the bass signal to the subwoofer. I have copied the instructions below from the manual. You would set the high freq crossover to the low end of your satellite's frequency range. The full manual is here: http://www.jbl.com/EN-US/Products/Pages/ProductSupportDetails.aspx?PID=PSW-D110

High-Pass Control
• If you hooked up your subwoofer
as shown in Hookup
3 on page 4, you also have
the capability of adjusting
the high-pass frequency.
The High-Pass control
determines the frequency at
which the main speakers
will start reproducing
sounds. If your main speakers
can comfortably reproduce
some low-frequency
sounds, also set this control
to a lower frequency
setting, between 50Hz –
100Hz. This will concentrate
the subwoofer’s
efforts to the ultradeep
bass sounds, while your
main speakers continue to
reproduce the mid-bass
information. If you are
using smaller bookshelf
speakers that do not extend
to the lower bass frequencies,
set the high-pass crossover
control to a higher setting,
between 125Hz – 180Hz.
With this setting, your main
speakers will not have the
burden of reproducing any
low-frequency sounds.
• If you hooked up your subwoofer
as shown in Hookup
1 on page 3, the high-pass
frequency is fixed at 180Hz.
• If you hooked up your subwoofer
as shown in Hookup
2 on page 4, there is no
high-pass control. Unless
your receiver/amplifier
incorporates a high-pass
crossover, your main speakers
will continue to get a
full-range signal.
Final adjustment and blending
of the low-pass and high-pass
controls may evolve over several
listening sessions. A good
starting point would be to set
both the low- and high-pass
controls to the same frequency
and adjust from that point.

Sep 07, 2010 | JBL PSW-D110 Speaker

2 Answers

No sound from horn of mackie SRM-450


http://www.youtube.com/watch?v=8jYY3kHj1U0

Apr 04, 2010 | Mackie SRM-450 System

1 Answer

How do i connect my pv2600amp to my peavey subs and top speakers, i have the leads but what do i do?


Line outs Left and Right from mixer to power amp Left and Right inputs,
Power amp outs to Subs(if they have passive crossovers built in check specs on subs).
From Subs then to Main spkrs. Make sure power amp is set in stereo mode using this way.

Alternative: You will need at least a 2-way stereo crossover unit inline after mixer and before power amps if the subs don't have a built in passive crossover. Most of them do have passive crossovers in the subs these days. Then separate amps or one channel would drive the subs and the other the main speakers. True stereo would require at least a 2 way crossover and two stereo power amps if hooking them up this way.

There is another option as is common with many sub setups. Send the signal to the mains using L/R outputs from mixer and a separate Mono output to the subs only. Putting only bass/kick and low frequency outputs in this send would help too.

Oct 13, 2009 | Peavey PRO-12 (00497070) Main / Stereo...

1 Answer

I HAVE A SYSTEM 8 STUDIO MONITOR ONE SPEAKER DOESNT REPRODUCE ANY LOW END they've been stationary for 10 years


It could be the driver or it might be the crossover, if you are happy take the driver out and check it with the amp on LOW volume. If it is blown it should be possible to get it re-coned or repaired. If the driver is ok then next step is to check the crossover.

The crossover divides the full range signal to hi and low, it will be made up of colis and capacitors with some soldered joints, there may be a faults with this. If it is a loose connection / dry joint it is easy to fix.

At all steps write down what you are doing, as this will save time and money at the repair shop.

Hope this helps, thanks for using Fixya

Sep 23, 2009 | Tannoy Precision 8 Main / Stereo Speaker

1 Answer

Continous low level pulsing but no Base Response from JBL PSW1000


There is a huge discussion among audio enthusiast regarding subwoofer output and how you should connect your sub to your system. If sub preout is turned and on your amp/receiver and you are able to adjust the crossover frequency adjust your crossover frequency to highest setting, higher HZ number, so you don't double low pass filter your signal too much. If you can adjust crossover frequency on your receiver and your sub allows separate connection to by pass it's filter, use that instead.
There is a great article on Polk Audio website regarding Home Theater setup. You can use it as reference and tweak it to your taste.

Aug 18, 2009 | JBL PSW1000 Speaker

1 Answer

Tweeter plays and very low volume when in back by


This sounds like I would be trying a new crossover network module.

Jerry G.

Aug 06, 2009 | Infinity IL 10 Main / Stereo Speaker

1 Answer

No sound from EV SH-1502 ER 15" driver


Either the 15" speaker is dead, or the passive crossover inside the unit. The simplest way to identify your problem is to remover the speaker that isn't working from the enclosure, and exchange it with the speaker that is working. If there's no sound still, it's the speaker itself that is the problem. If it works in the other cabinet, then put the "working" speaker in the cabinet you took the "bad" speaker out of, and if it doesn't work, then there's a problem with the crossover in the first cabinet. I believe you can buy a replacement crossover from EV. If it's your speaker, do a google search for "speaker re-coning" in your area - it's cheaper to re-cone the speaker than buy a new one.

Jun 18, 2009 | ElectroVoice . Speaker

1 Answer

I have a xenyx 2442fx mixer and ep2500 power amp hooked up to 2 1800x subwoofers and 2 1520 pro speakers. i am using a peavey xr 684f powered mixer to power my monitors. i would like to add another power...


You would need a 2 or 3 way crossover, depending on whether or not you biamp your tops. Simply go out of your main outs on the mixer into the input of the crossover. Go from the low output of your crossover to your low power amp input (subs), and the high output of the crossover to the high power amp input (tops). Then go from your outputs of your amps into the speakers themselves.

Jan 04, 2009 | Behringer B1520 Pro Eurolive 15" 2-Way...

1 Answer

Sleep mode


It will power off if the frequency range of the signal being sent to it is set too low, or the amplitude of the signal is too low as well.

Try increasing the subwoofer crossover frequency and/or increase the gain from the LFE/SUB of the receiver/preamp you have it connected to. Also make sure that in the setup menus of ALL of your components have an LFE channel enabled such as by selecting the output of source material of your DVD player for example, to output 5.1. Otherwise, it will not send a signal for the subwoofer to play, nor will it play the signal if the crossover frequency is set too low.

Example; the setting on your DVD player setup menu is set to two channel: result with only one exception, subwoofer will not play

Example; subwoofer/LFE level on receiver/preamp set to -10dB and/or subwoofer volume too low. Result: subwoofer will not play.

Example; subwoofer crossover point set at 35Hz. Source material playing sound at 30Hz and lower. Result: subwoofer will not play.

Nov 23, 2008 | JBL PB10 Subwoofer

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