Question about KEF Audio PSW 2150 Speaker

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Hooking the sub to receiver and how to set crossover freq. etc.

I don't have a manual for my PSW 2150 so I need to know where to plug in the single cable from my receiver (as you know there are four places where it can be plugged in). I also am not very tech savy so I would like to know the criteria for setting things like crossover freq., phase adjustment, what is the difference in performance for music vs cinema setting, and what slope means and what slope setting may be optimum. I would like to know how to obtain a manual for this sub,

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  • katieo03 Feb 09, 2009

    the Sub outlet on my receiver.

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Single cable from where?

Posted on Dec 17, 2008

  • Roshan Vithanage
    Roshan Vithanage Feb 12, 2009

    what kind of jack is that?...if you see any area in the reciever wich you can plug that cable, look for the output "audio" labeled one, Then plug it in

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How to trouble shoot a sony sa-wm20 that stopped working


With subs, it's either
  1. a blown fuse (no power at all at the sub);
  2. a broken input (#1 cable, #2 sub input socket, #3 blown sub plate amp);
  3. incorrect connection at the receiver end or the wrong settings
You've ruled out most of this because another sub works in its place. So what's left is either sub settings, or a busted sub.

The sub settings for testing should be: Crossover frequency - Max; Volume - Mid; Phase - Normal.

As a quick test, unplug the sub cab from the amplifier/receiver end. Switch on the sub and turn the volume down all the way. Briefly put your finger across to short the RCA/phono tip and ring. The sub should make a buzzing sound. You now know that the sub is working and the cable appears to be okay or not.

Most subs auto sense a signal. So if the Sony isn't doing that then there's the problem. Given that these are very much a budget sub, I'd be inclined to have a look for something simple such as a broken solder joint or bulging capacitor. If it's anything more indepth then the cost to repair will outweigh the value of a replacement.

Aug 05, 2014 | Speakers & Subwoofers

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Problems with JBL PSW D110


The speaker level input option is designed for receivers that don't have digital output for the sub, used this way when you set to digital the speaker outputs only get the higher range outputs so won't reproduce much bass. To get the sub to work in digital mode you need to use the digital output (single RCA) from the amp to the sub

Mar 06, 2012 | Speakers & Subwoofers

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My KEF (PSW 2150) ruffer speaker buzzes even with no input connection?


Your amplifier is bad. I sent mine to KEF in NY and they fixed it for $100 US.

Dec 08, 2010 | KEF Audio PSW 2150 Speaker

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.

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1 Answer

Cerwin Vega SUB8...how do I connect


grady66,
We will start with the easy one, Phase. The phase selector is a setting that can be adjusted by sound; which one sounds better? Either one will work fine. It's mainly for situations where the sub enclosure is located at a distance or behind the listening area. The 'in and out' crossover selector and the input from the receiver goes together. The 'in and out' crossover selector is asking if you want to use the internal crossover to block the bass from getting to the satellite speakers. Most home surround sound receivers only have the one sub out and most subs have both left and right inputs. When there is a single signal being fed to the sub you use the subs left input or buy a splitter and send the signal into both left and right, but either way will work equally the same.

There is two ways to connect the speakers to the receiver.

1) Cross-over 'In': you connect the output speaker wires from the receiver to the speaker inputs on the sub and the speaker outputs on the sub to the satellite speakers; the sub will get its sound from the input speaker wires.

2) Cross-over 'Out': you connect the sub to the receiver using the receiver's single sub out, then connect the satellite speakers directly to the receiver's speakers outputs; in this configuration the satellite speakers are given a full range of signal including the bass.

I have used #2 with the same system and had great results.

-Chris

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1 Answer

I dont know how to connect a JBL PSW-D115 into my receiver


Connect the receiver's Subwoofer Line Out to the Sub's Line In with a single RCA cable.

Not knowing your specific receiver I can only advise that you get into its setup and 1) tell it you have a subwoofer; 2) set the other speaker types you have regarding Large vs Small (meaning can they handle REAL bass); 3) go through all the channel level setup; 4) Rock On.

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1 Answer

Wharfdale moviestar 70 speekers and sub


i have the same moviestars 70+ plus a yamaha rx-v750 put the crossover on the sub to maximum (left knob) volume (right knob) about 2/3 clockwise. change the crossover on the yamaha to anywhere from 80-120 ( the 120 will put more bass to the sub) if your yamaha has sub level/volume control set it higher, also if it has LFE/sub out set it to sub only.
Good luck!

Dec 17, 2008 | Wharfedale Moviestar 70+ System

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