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Beomaster/system 8000 - is it really superior

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-c
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-c posted on Mon, Apr 16 2018 5:08 PM

I have recently acquired a Beosystem 8000 (sans-turntable) and I'm wondering if it's worth putting money into v/s selling.  My main system is the Beosystem 6500.  Hoarding B&O equipment is my Kryptonite but I can't allow a beautiful system to rot from lack of use.  In this case I need to commit to one system or another and i haven't approached my wife yet but I'm pretty sure having the 8000 on the bedroom night stand is out of the question.

I know it's more powerful but is it really sonically superior to more modern systems? Isn't it a reasonable assumption that B&O would carry significant advances forward to newer models?

I am sure that I'm keeping the MS150.2s but why put money into the CDX or buy a turntable or even refurbish 8000 for that matter?  

Aside from personal taste, wattage aside (that's a whole other discussion) is there some measurable data to indicate that one should keep the 8000 over the 55/65/7000 models?

I appreciate your input into my final decision.

It's a fine line between collecting and hoarding, and I'm always dancing on it.  Beomaster 8000, Beocord 8004, CDX, Beomaster 6500, Beocord 6500, Beogram 6500 CD, Beogram 6500 Turntable, BeoSound 2300, BeoSound 2000, BeoLab 2400, BeoLab 8000, BeoLab 6000, BeoLab 2, BeoVox S45.2, BeoVox S75, BeoVox S120, BeoVox MS150, RL140, BeoTime, BeoCom 1

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-c
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-c replied on Tue, Apr 17 2018 9:33 AM

More fodder: The continuous power for the bm6500 is 110w IEC 8oms which as i understand it is around 55 RMS. 

My reading indicates that when amplifying voice speech, the speaker and amp RMS should match, however for most music you want  2* speaker RMS to Amp RMS to avoid distortion and damage and for DJ applications you'll want to consider even higher ratios.  This would make the 6500 a good match for S120 or even MS150s.

 

 

It's a fine line between collecting and hoarding, and I'm always dancing on it.  Beomaster 8000, Beocord 8004, CDX, Beomaster 6500, Beocord 6500, Beogram 6500 CD, Beogram 6500 Turntable, BeoSound 2300, BeoSound 2000, BeoLab 2400, BeoLab 8000, BeoLab 6000, BeoLab 2, BeoVox S45.2, BeoVox S75, BeoVox S120, BeoVox MS150, RL140, BeoTime, BeoCom 1

Premiumverum
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The proof of the pudding will be in the eating!

However, the beolab 8000 system was a tour de force, never matched in power or refinement by anything B&O made before or a couple of years after. It was the Beolab 5, or beolab 90 if you will, of its time! BM6500's internal amplifier is a souped up version of the amplifier that was in the smaller music systems, e.g. BC7700, at the time BM8000 was made. This is a nice sounding amplifier, but was made for smaller loudspeakers. 

If you want to use the huge MS150's, they will sound nice with BM6500. But it will lack the power and control BM8000 will have over them.

I like comparing BM8000+MS150 to a rolls royce, BM8000 the engine and the loudspeakers the carriage. When properly restored they will give you a great looking system and extraordinarily comfortable, effortless music reproduction with lots of power in reserve for when the music demands it. A smaller amplifier will be like a smaller engine in the rolls royce: it will lack control and power reserve.

Be aware, any 8000 system component, also the speakers, will now need service to perform at its best and/or prevent catastrophic failure. These are complicated machines and should not be serviced by beginners or standard repair shops. Take a look at beolover.blogspot.com, and there are more experts like him around the forum.

AdamS
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AdamS replied on Tue, Apr 17 2018 1:00 PM

-c:

I know it's more powerful but is it really sonically superior to more modern systems?

Simple answer - yes, absolutely. I have a full Beolab 8000 system and will never part with it. I no longer have a 6500 or 5500 system - make of this what you will!

As to your comments on power outputs, it's more complicated than it may first seem, but it is better to have an amplifier that is more powerful than the speakers can handle, than one that only produces half the power. It is easier to damage a loudspeaker by turning an underpowered amplifier up too high so that it is driven into distortion, than it is by over-driving using a powerful one.

-c
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-c replied on Tue, Apr 17 2018 1:32 PM

Great information, I've read through the beolover site and was very impressed with the attention to detail, going as far as 3D printing adapters for the new capacitors to compensate for the size difference.....well that's someone I would let touch my equipment...if you get my meaning..

It's a fine line between collecting and hoarding, and I'm always dancing on it.  Beomaster 8000, Beocord 8004, CDX, Beomaster 6500, Beocord 6500, Beogram 6500 CD, Beogram 6500 Turntable, BeoSound 2300, BeoSound 2000, BeoLab 2400, BeoLab 8000, BeoLab 6000, BeoLab 2, BeoVox S45.2, BeoVox S75, BeoVox S120, BeoVox MS150, RL140, BeoTime, BeoCom 1

-c
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-c replied on Tue, Apr 17 2018 1:45 PM

As to your comments on power outputs, it's more complicated than it may first seem, but it is better to have an amplifier that is more powerful than the speakers can handle, than one that only produces half the power. 

The internet is somewhat dangerous for me as i tend to do enough research to confuse myself, I've read a few theories around amp to speaker ratios.. More powerful amps, less powerful amps etc,  what made the most sense to me was something i read about speaker sensitivity or watts to decimal ratio.  The MS150 states the sensitivity but not the decibal relationship.

Also, the bm8000 is 4ohm while the MS150 are 8 ohms so why wouldn't i have to wire them in parallel to avoid over heating the amplifier?  

I have the utmost respect for people who can decipher this stuff.  


It's a fine line between collecting and hoarding, and I'm always dancing on it.  Beomaster 8000, Beocord 8004, CDX, Beomaster 6500, Beocord 6500, Beogram 6500 CD, Beogram 6500 Turntable, BeoSound 2300, BeoSound 2000, BeoLab 2400, BeoLab 8000, BeoLab 6000, BeoLab 2, BeoVox S45.2, BeoVox S75, BeoVox S120, BeoVox MS150, RL140, BeoTime, BeoCom 1

AdamS
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AdamS replied on Tue, Apr 17 2018 8:46 PM

What the specifications mean is that the BM8000 will drive speakers that measure down to 4 Ohms in impedance - some amplifiers won't.

It will therefore drive the 8 Ohm MS150s quite happily, but only deliver 100W into them, rather than 150W. But don't worry; your ears will have given up long before that...Wink

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