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georgehifi

Do I really need an amp like this? NO! But I really want an amp like this!

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Posted (edited)

What a beast!!!!!!!  1/2 a Farad of supply capacitance !!!!!!!!!!!!!

Still the manufacture says it can double wattage from 8 to 4 ohms, on test !! it couldn't😰

 

https://www.stereophile.com/content/moon-simaudio-888-monoblock-power-amplifier

 

Cheers George

Edited by georgehifi

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God no 

It all starts with the source 

Match that with high efficiency speakers

Then all you need is 5 to 25w pc 😃

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34 minutes ago, Full Range said:

Match that with high efficiency speakers

If your immune to colouration and distortions.

 

Cheers George

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24 minutes ago, georgehifi said:

If your immune to colouration and distortions.

 

Cheers George

All speakers have coloration and distortion.

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Nope, too big, too power hungry too expensive.  30 watts is plenty for all my moderate listening needs.

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5 minutes ago, Wimbo said:

All speakers have coloration and distortion.

But really efficient easy to drive ones have much more colourations and distortions

 

Cheers George

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Posted (edited)
6 minutes ago, Zaphod Beeblebrox said:

Alternatively, you could consider one of these beautifully engineered products:

 

https://www.stereophile.com/content/boulder-amplifiers-2150-monoblock-power-amplifier

 

 

One wouldn’t get you too far Trevor, centre channel or sub maybe. 🤣

Edited by yamaha_man

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Just now, yamaha_man said:

One wouldn’t get you too far Trevor, centre channel or sub maybe.

Oops.

 

Make that two.

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Just now, Zaphod Beeblebrox said:

Oops.

 

Make that two.

And have 20k change over the Sims for a 2 power cables. 😂

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1 minute ago, yamaha_man said:

And have 20k change over the Sims for a 2 power cables. 😂

Best of all, the Boulder doesn't use those stupid IEC connectors. 

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2 minutes ago, Zaphod Beeblebrox said:

Best of all, the Boulder doesn't use those stupid IEC connectors. 

Or put the 20k towards getting 3 phase power connected.

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1 hour ago, georgehifi said:

Still the manufacture says it can double wattage from 8 to 4 ohms, on test

Never, ever seen an amp do it. Even the early class A Krells like the KSA50 didn't do it. On paper they did, but the manufacturer lied and they had more power than specified into higher impedances, so whilst it could drive low impedance impressively, it didn't double down.

6 minutes ago, georgehifi said:

But really efficient easy to drive ones have much more colourations and distortions

Bollocks.

 

Such amps are useful for impressing yourself and others, but for sheer accuracy and performance, an FIR DSP active system would eat it.

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Posted (edited)
13 minutes ago, A9X said:

Never, ever seen an amp do it.

Your right it's impossible there are loses, but some  bjt's come close, it would be akin to someone inventing perpetual motion, impossible.

 

As for your bullocks. WRONG!!!! I've yet to hear speakers really efficient and easy to drive like that sound good, there are always more aural compromises with them.

 

Cheers George

 
Edited by georgehifi

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13 minutes ago, A9X said:

FIR DSP active system

Colds and lifeless, every demo I've heard, like the emotions has been sucked out of them..

 

Cheers George

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4 minutes ago, georgehifi said:

As for your bullocks WRONG!!!!

You just lack the requisite experience, and I don't limit mine to something you can buy off a dealer's floor, because it's not hard to improve that.

If nothing else, you should at least hear Terry's. It's active though, which makes it very easy to drive.

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Posted (edited)
1 hour ago, georgehifi said:

If your immune to colouration and distortions.

Totally unfair generalisation.

 

Let's do a really quick fire 2.5 way box example... using boring modern drivers (not HE stereotypical 'coloured' low Pe and Xmax)

 

6" mid-woofers (4x) in a vented box .... 91dB(2.83v)

dome tweeter in waveguide .... 93dB(2.83v) + horn load

 

Sensitvity is at least 94dB @ 1m

32 watts will make 105dB @ 2m

 

Edited by davewantsmoore

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11 minutes ago, kab said:

Impressive figure these have, almost perpetual motion stuff. these are Stereophile's bench tested figures.

 

Luxman B-1000F  the amplifier puts out

310W into 8 ohms 

600W into 4 ohms 

1150W into 2 ohms 

 

Cheers George
 

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7 minutes ago, georgehifi said:

Colds and lifeless, every demo I've heard, like the emotions has been sucked out of them.

LOL; audiophile hyperbowl. /Juliarism.

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Posted (edited)
17 hours ago, davewantsmoore said:

Totally unfair generalisation.

It's mine and I stick by it.

If it really easy to drive and very efficient, can't go to loud'ish levels,  to me it's probably a dog with flees.  

 

 

Cheers George

Edited by georgehifi

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Lets keep this civil gentleman,

we all have different tastes.

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Hi All,

 

Just need a fork lift to move them about when auditioning other amps.

 

JJ

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