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  • General
  • What does it mean "We don't care about hifi, we care about music"
    Lot of HiFi producers tend to exaggerate some aspects of music reproduction, so You get full concentration on one single aspect of sorts out of the HiFi chain: You loose focus.

    On our side, we always spend time trying to have the best coherence possible between mid high and bass, try to focus on high dynamic behavior using components with lot of reserve and strength. This coherence is not just in kind of sound but as well in speed and impulse, the loudspeakers must be fast, but must have the same speed. Otherwise You get some feeling of delay or mismatch.

    Then we want to have long time listening experience, that means being able to listening to music for plenty of hours without rising the feeling of switching off the system due to tiredness. It must play homogeneously. It must deliver the feeling of ease and even at small volumes must be able to deliver full dynamic.

    Our reference are not amplified concerts, where the instruments are not going trough a power amplifier or a reproduction system. Of those, we try to have as much enjoyment as possible to be sure to come as near as possible to the reference.

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  • I drive my Blumenhofer with a power amplifier which has both 4 ohm and 8 ohm taps. They are currently connected to the 4 ohm taps. I was wondering if, based on your experience, whether you'd recommend to use the 4 ohm taps or 8 ohm taps.
    Our loudspeakers are made according to the 8Ohm definition

    -----------Start Quote from Read more here about this theme
    There is a convention to the use of the term "nominal impedance", and if the impedance over the majority of the bandwidth, specifically covering the range in spectrum where majority of the musical spectral power occurs, it's 8 ohms. A single number cannot tell all there is to tell about an impedance that varies with frequency. You must keep in mind that 'nominal impedance' is not defined in IEC. Indeed, the electronics industry was advised when the Trade Descriptions Act was introduced, that the word 'nominal' should no longer be used in specifications. That is why the IEC concept of 'rated value' is so useful. There is a very detailed definition and explanation of this term in IEC60268-2. The IEC standard (IEC60268-3) allows any "increase" above the rated value, but limits the "decrease". The standard does not allow the impedance to fall below the 80 % of the nominal value at any frequency, including DC.
    -----------End Quote from

    In the end is the personal taste that decides where is best to connect the loudspeakers to the amplifier. Electrically correct is to connect to the 8Ohm terminals of the power amplifiers, if they are 8Ohm loudspeakers, or to the 4Ohm terminals if they are 4Ohm loudspeakers. But this does not say where the loudspeakers match best or where the way it plays satisfies Your taste the best. The owner of
    MastersounD prefers to connect them to the 4Ohm terminals, he likes them better this way.

    You should decide Yourself where You like them best

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  • Which power amplifier fits best to Blumenhofer Acoustics loudspeakers?
    Real often we get this question.
    Our Loudspeaker are developed with an eye even on small power amplifiers and to fit to as many components as possible.

    Main rule: experience makes the difference. Ask our retailer and distributors for suggestions. They have lots of alternatives and they are available to give you suggestion, try setups and test our speakers with your personal equipment! Remember to fix an appointment.

    But in my experience:
    - no problem with tube amplifiers
    - it works very well with single ended triodes as well
    - sometimes the tube and the digital amplifiers need the impedance linearization
    - no problem with digital and solid state amplifiers
    - our loudspeaker need just small powers, in normally listening conditions they are using between 1 and 4 Watts. If the power amplifier does have more, then the rest of the power of the amplifier is “stored” for the dynamic reserve
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  • Why do I not find the covers for the spyke-dishes in the packaging?
    On the 16th of May 2010, after some intensive testing we decide not to include the covers for the dishes of the spykes anymore: they are not contributing in a positive way to the sound of the speakers in comparison to the steel dishes alone. In order to preserve the distance from the floor of the Fun 17 and big Fun 20 we introduce longer spykes. The suggestion came from Volker Bohlmeier of Einstein Audio.
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  • Which kind of cables do You recommend?
    The cables play a key role in the quality and kind of sound achieved in the reproduction.
    I cannot suggest one brand instead of the other. This is not fair and it is not good, because we have not tried all the kind of cables and all the brands.
    But there is one thing that is clear (and of course it is our humble opinion):
    - we had bad experience with silver
    - we had very good experience with copper cables

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  • Impedance correction
  • When is the impedance correction active?
    It is active when the bridge is inserted
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  • Which power amplifiers need an impedance correction?
    Ground rule:
    - most tube amplifiers need a cross over impedance correction
    - not all tubes amplifiers need an impedance correction for the lower frequencies
    - solid state power amplifiers do not need impedance correction
    - digital amplifier do need it

    but the most important point: if you like with impedance correction better than without, then you should use it and of course the other way around
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  • big Fun 17
  • What ist he bridge in the lower part of the horn?
    This bridge is the impedance correction bridge for the cross over frequency.
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