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Thread: Amplifier selection for your Harbeths (general, not specific Harbeth models)

  1. #321
    Shutterbox Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Well, I think the issue of good low frequencies is not just a matter of going deep and taut.

    I would rather a system, doing low frequencies with much details and balance , than hearing it go real low and lots of slam but without good tune and details

  2. #322
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Quote Originally Posted by Shutterbox View Post
    Well, I think the issue of good low frequencies is not just a matter of going deep and taut.

    I would rather a system, doing low frequencies with much details and balance , than hearing it go real low and lots of slam but without good tune and details
    Shutterbox
    i think it is understood that bass must have definition as well - tonal texture, timbre, resonance, pitch, etc. I was referring to the seismic register of bass in my earlier post. Sure, I can't live with an amplifier that does only "one note" bass!

  3. #323
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    Default Bass - and "Q"

    Technically this whole business of bass quality/quantity/extension is all wrapped up in one phrase - "filter Q". A loudspeaker cannot reproduce down to one or two Hz., so it is by definition it must be a 'high-pass filter' with all the characteristics of an electrical filter set to, say, 50Hz. It will let through higher frequencies but it cannot pass the really low ones as sound.

    As with all electrical (and all other mechanical filters) the peakiness of the filter at and around the knee of the filter (in our example, 50Hz) defines its time response. The one-note-bass phenomena of which you mention implies a loudspeaker whose filter-action at one frequency is peaky. A peaky frequency response implies a ringy time response. That is, after the note has ceased the speaker continues to ring-on.

    The nearest analogy is the shock absorbers on your car: a highly damped suspension (of the type found on a luxury car) gives a ride with a 'low-Q'; conversely a cheap car with a defective shock absorber has a 'high-Q' (ride) response and at a critical frequency the car can be set into uncontrollable resonance.

    The designer can play around with the bass filter-action of his speaker system by changing the weight of the cone, the magnetic strength or if ported, the tuning of the ports and the damping (stuffing) in the box etc. etc.. Each designer would aim for a different combination of characteristics. There is no 'right answer'
    Alan A. Shaw
    Designer, owner
    Harbeth Audio UK

  4. #324
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    The Bryston B-100 synergises well with the Harbeth SHL5 and is able to bring out decent bass from the speakers. The B-100's 100 watts @ 8 ohms is ablet o give the speakers just that bit more headroom. The Bryston runs about 10 watts or so in pure class A and has a beautiful midrange with crystal clear, grainless highs. Highly recommended combo!

    Other amplifiers used with SHL5:
    Cary 300 SEI
    Leben CS-600
    YBA Integre DT

  5. #325
    poison Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    i have been using YBA Intergre DT for the past many years and after I switch my speaker to Super HL5 30 th anniversary, i found "something" lacking.

    after which, i was introduced LFD Zero Mark 111 by a friend of mine ( a fellow Harbeth owner ) even without listening to the amp, I hastily bought it. WOW! to my surprised............i REALLY have been missing a lot of things in music.

    now with the LFD hooked up, i enjoy more music than ever and i can assure Shl5 is a good match with LFD. If any of you have a chance to listen to this combo, i am sure you will be mesmerised.

    without doubt, Shl5 has been my idol speaker all this while, for, matching up with LFD is like a marriage made in heaven.

  6. #326
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Quote Originally Posted by poison View Post
    i have been using YBA Intergre DT for the past many years and after I switch my speaker to Super HL5 30 th anniversary, i found "something" lacking.

    after which, i was introduced LFD Zero Mark 111 by a friend of mine ( a fellow Harbeth owner ) even without listening to the amp, I hastily bought it. WOW! to my surprised............i REALLY have been missing a lot of things in music.

    now with the LFD hooked up, i enjoy more music than ever and i can assure Shl5 is a good match with LFD. If any of you have a chance to listen to this combo, i am sure you will be mesmerised.

    without doubt, Shl5 has been my idol speaker all this while, for, matching up with LFD is like a marriage made in heaven.
    Congrats bro, glad you made the decision to switch to the LFD LE III. Though it may not have unneccesary gadgets (at the expense of sound quality) that some pple can't do without but in terms of musicality, tonal accuracy & involvement, this amp is a class act & very hard to beat!

  7. #327
    Ferdinand777 Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    anyone here have experience of heard harbeths SHL5s driven with Lamm amps like the M1.2 hybrid 110watts amp ?
    Just wondering whether the Harbeths would be good synergy with the Lamms.
    I always find the Lamms pair with Von schweikerts, Wilsons, Kharma and other super hi end speakers. Have yet to see them pair with harbeths.

    tks guys.

  8. #328
    matthewz Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Hi there,

    I just want to collect some information from you fellow Harbeth users before making a purchase here.
    Is there anyone of you had any experience in using all-Rega or all-Roksan system with your Harbeths?
    I own a pair of Harbeth Compact 7 (Mk I) and wish to match them with a CDand integrated from a same British audio company. Any comments or suggestions are certainly welcomed.

    Cheers,

    Joe Loe

  9. #329
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Quote Originally Posted by matthewz View Post
    Hi there,

    I just want to collect some information from you fellow Harbeth users before making a purchase here.
    Is there anyone of you had any experience in using all-Rega or all-Roksan system with your Harbeths?
    I own a pair of Harbeth Compact 7 (Mk I) and wish to match them with a CDand integrated from a same British audio company. Any comments or suggestions are certainly welcomed.

    Cheers,

    Joe Loe
    Hi Joe, the C7 goes well with practically any british CD/Amp combo of decent quality. The only reservation i have is Roksan amplifiers, esp the Caspian model. The Caspian cd player is pretty decent though. I reckon that if you are on tight budget, try the Rega combo eg brio/apollo with your C7 or if you can get hold of the old Cyrus 1 (push button on/off switch with plastic casing), you'll be in for a treat. The old Cyrus also has an excellent built in phono stage if you are into vinyl. Also try Creek 5250 or 5350SE with creek CD53 cd player. Immensely musical & involving yet sophisticated as well.

  10. #330
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    I'm a dealer in the USA and just sold an Apollo/Brio combination to a customer who also purchased a Compact 7-ES2. I would say he is thoroughly enjoying the combination and was able to come in well under his budget. Here is a comment he made to me via email just today:

    "I am working my way through old favorite CDs and having a terrific experience- the sound is remarkable and the electronics are elegantly clean and simple." Comments like this are what makes being a dealer rewarding.

    Good luck with your search.

    John Geisen
    Wellington Audio

  11. #331
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    John

    I have heard similar praises for the synergy between Rega and Harbeth! While looking for an integrated, I auditioned the Brio and found them very musical. They were certainly on my shortlist but in the end I settled for something with 100 w into 8 ohms, just to have more headroom for dynamice music.

    Dennis

  12. #332
    Ferdinand777 Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    after living with the harbeth models for many years, i can say that these speakers will practically work with anything out there, tube or solid state. they are quite flexible. as long as there is enough decent power, it will sound good.
    more quality watts, would make them sound better. They are quite flexible speakers in that regards.

  13. #333
    tricka Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    I have a pair of C7's and my usual amp is the LFD Zero Mark III, which makes for a lovely combination.

    Out of curiosity (and never expecting it to work) I hooked up my 2wpc SE 6CL6 Pentode "Spud" amp (pictures attached) to the C7's just to see if I would get any sound at all......and low and behold...she sings beautifully; not very loudly for sure but at normally listening levels and with simple music (Female Vocal, Jazz and light Chamber music) the C7's sound gorgeous with this amp.

    Amazing what an easy load the C7's are. And how other manufacturer's take license with sensitivity figures - and how meaningless they really are. This lead to me thinking - who else has experimented with low powered SE's and how did it work out for you?

    Best Wishes
    Andrew
    Attached Images Attached Images

  14. #334
    Join Date
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    I hv tried a push-pull EL84 with my 82db/w Harbeth P3 - all
    5W of it. Sounds very nice with the kind of music you mentioned, not for
    large scale orchestras. It does lose some low freq grunt.

  15. #335
    digiphobe Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    A question for forum members: Has anyone tried mating up a YBA Integre' with the compact 7's / HL5's, and if so, what where your impressions??
    ..............thanks

  16. #336
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    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Yes I have paired the SHL5 with my trusty YBA Integre DT and altough it sounds quite nice, I get the feeling that the bass is a little shy! The YBAs tend to be a little bass shy. If its instrumental music or vocals that you like, the YBAs sound superb. If you must go the YBA route, nothing short of the Passion would satisfy ( I am talking about the Pasion 300 - 100 watts into 8 ohms). Otherwise, the Integre will suffice for most of the time.

    Hope this helps!

    Best Regards
    Dennis

  17. #337
    digiphobe Guest

    Default Re: Amplifier selection for your Harbeths (general, not specific Harbeth models)

    Thanks Denjo,
    I'm not certain that I could live without bass control. The Passion is, unfortunately out of my price reach.
    Maybe it's time to save up for a Nait XS !

    JR

  18. #338
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    Default Amplifier selection process and service backup ...

    Our opinion on the selection of an amplifier for any Harbeth is restated here. In addition to the electro-acoustic factors that I've mentioned (above link) you should also consider some commercial factors too. For example, the longevity of the amplifier maker's company.

    Amplifiers do drift. They do age and they invariably break-down just like humans do. Failure is unpredictable. It can happen at any time, but usually the older the specimen, the more fragile the components become. Amplifiers are consumer products not NASA technology. You should consider who and where will your amplifier be serviced many years into the future. The best amplifiers use commonly available components of the types used widely in industry, and stocked by the biggest electronic distributors or here. They're sure to be available for many years. Personally I'd be nervous about the long-term spares situation with amplifiers that use weird, specialist hand-picked so-called "audiophile grade" parts. Are they likely to still be available in 10 or 20 years? No. The global audio industry is too small to make it worthwhile for serious suppliers to set-up production lines to make long and continuous runs of specialist electronic components.

    The current global economic situation will inevitably shake-out weaker brands. We're seeing that here already amongst our suppliers. Common sense warns that the smallest 'enthusiast' or hobby-companies are at the greatest risk of closing down. If you are spending out on an expensive new amplifier it may be an idea to try and evaluate the business strength of the maker as a guide as to their prospects of surviving the next few tough years. Now is a time to think long and hard about buying an amplifier on Ebay from a distant supplier or unknown brand that you've never heard of before. What happens if they are not still in business to repair your amp when it suddenly fails, perhaps years from now? Your investment will be money down the drain.
    Alan A. Shaw
    Designer, owner
    Harbeth Audio UK

  19. #339
    Teuton Guest

    Default Re: Amplifier selection process and service backup ...

    Quote Originally Posted by A.S. View Post
    Our opinion on the selection of an amplifier for any Harbeth is restated here. In addition to the electro-acoustic factors that I've mentioned (above link) you should also consider some commercial factors too. For example, the longevity of the amplifier maker's company.

    Amplifiers do drift. They do age and they invariably break-down just like humans do. Failure is unpredictable. It can happen at any time, but usually the older the specimen, the more fragile the components become. Amplifiers are consumer products not NASA technology. You should consider who and where will your amplifier be serviced many years into the future. The best amplifiers use commonly available components of the types used widely in industry, and stocked by the biggest electronic distributors or here. They're sure to be available for many years. Personally I'd be nervous about the long-term spares situation with amplifiers that use weird, specialist hand-picked so-called "audiophile grade" parts. Are they likely to still be available in 10 or 20 years? No. The global audio industry is too small to make it worthwhile for serious suppliers to set-up production lines to make long and continuous runs of specialist electronic components.

    The current global economic situation will inevitably shake-out weaker brands. We're seeing that here already amongst our suppliers. Common sense warns that the smallest 'enthusiast' or hobby-companies are at the greatest risk of closing down. If you are spending out on an expensive new amplifier it may be an idea to try and evaluate the business strength of the maker as a guide as to their prospects of surviving the next few tough years. Now is a time to think long and hard about buying an amplifier on Ebay from a distant supplier or unknown brand that you've never heard of before. What happens if they are not still in business to repair your amp when it suddenly fails, perhaps years from now? Your investment will be money down the drain.
    Bryston is a brand that comes to mind that offers solid performing products with a 20 year transferable warranty.

  20. #340
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    Default Re: Amplifier selection process and service backup ...

    So I'm told. But I have no experience with the product (or the people behind the product) at all, nor do I hear of it being used often with Harbeth.
    Alan A. Shaw
    Designer, owner
    Harbeth Audio UK

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