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    Missing bass punch on Quest?

    Interesting! I appreciate your input. I used to run the Quest on ML 23.5 before - same result. While I am aware of the shortcomings of an external subwoofer I have to say that I am quite pleased with the result so far. Searching through the archive of this site it seems that I am not the only...
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    Missing bass punch on Quest?

    Yes the amp is good now! I am still not perfectly happy with the lower bass punch and probably I never was (in other words: The speaker did most likely not deteriorate, but it is me being more focused on the issue). On an experimental approach I temporarily installed an active subwoofer (I know...
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    Missing bass punch on Quest?

    Update: Ok it took a while to get my power amp back from service. Got it last week. Some power supply issues but they also replaced the large filter caps (expensive!) which seem to improve the bass situation. Still too early for me to render a final verdict but I am hopeful. And I always need to...
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    Missing bass punch on Quest?

    Sure - I will let you know.
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    Missing bass punch on Quest?

    Just an update: It may be coincidental but two days ago my Power Amplifier (Mark Levinson 333) significantly distorted on the left channel. I dropped it off at the authorized service station (that did a major update two years ago) and also mentioned the bass punch issue. So let's see if they...
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    Missing bass punch on Quest?

    @Robert: No, I am not using digital processing. I used analog and digital sources when doing my tests. Thanks for asking.
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    Missing bass punch on Quest?

    @Chops: I started using my system extensively again last year after a few years of only occasional listening. That's when I discovered the missing bass punch. I also agree that age brings along loss of the ability to hear upper frequencies and I am not yet "really old" (59). So I guess I keep...
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    Missing bass punch on Quest?

    Chops, you raised valid questions: No new furniture, no changed listening position, no changed speaker position, no new gear. I do not have tubes in my chain, and my equipment is mostly Mark Levinson, twenty plus years old. The missing bass punch is not related to the source, as I tested it with...
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    Missing bass punch on Quest?

    So I ordered the Dayton woofers after ruling out any other problem area (source, crossover). Unfortunately, the bass did not improve - marginally perhaps. @lifespeed: I forgot to respond to your amplifier suggestion re old capacitor etc. I had the Mark Levinson fully serviced and upgraded two...
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    Missing bass punch on Quest?

    Thank you all for your valuable feedback. Patounet: I principally agree with you that a change in capacitor can bring along side effects due to individual capacitor specifics. However, in case of the Quest Z bass crossover - which is a quite simple filter - I fail to see any negative impact. And...
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    Missing bass punch on Quest?

    Thank you for your detailed response. I probably should have been more descriptive in my posting but let me tell you that I tested the speaker with different amps and the room acoustics has been the same since many years. I already replaced the electrostatic panels with great effect and I...
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    Missing bass punch on Quest?

    JonFo thanks for your suggestion re capacitor upgrade. I already did this and at this point I do not want to go active. Your link to the DIY forum helped a lot!!
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    Missing bass punch on Quest?

    lifespeed, my apologies: I meant to write "Quest Z". Any feedback on your woofer swap? I am driving the Quest Z with a Mark Levinson 333. Thanks!!
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    Hi from San Jose, blew up my Quest Z woofers

    lifespeed, I just learned about the DIY section of this forum from another member. Please see my post in the main forum regarding missing bass punch. In summary: I am missing the bass punch of my Quest Z which I own from new. I am quite sure that originally, the bass was much better but...
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    Missing bass punch on Quest?

    Hi I own my Quest II since new and - perhaps it is me getting old - I am getting frustrated with the bass reproduction of my speakers. In particular, I am missing the "punch" which perhaps was there earlier but now it sounds more like banging on a plastic bucket. I had the bass speakers tested...
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