Anyone here heard these speaks? I hear great things about them...

I suppose anything's possible, but I'd bet that a planar magnetic tweeter design like that wouldn't stand a chance against Magnepan's true ribbon dipolar tweeter. Call me crazy (you wouldn't be the first!) ;)
 
I could agree the ribbon tweeter would be superior sounding , then again we are comparing the sound of the whole speaker , as a system , the higher sensitivity speaker would be very amp friendly, so if using low powered tubes for example, They would have a big advantage over the 20.7 ...

Maybe Norman will get one and let us know ... :)
 
Toomey said:
"a true 20hz sub ( 3dbdown ) is a beast of a device , most tiny tot sealed subs, eq'ed and driven by small class-D amps to 20hz sounds nothing like a true to form behemoth doing the same .."

What subs do you like?
Click to expand...


Sorry , missed this before , i have to give this more thought before responding ...
 
a.wayne said:
I could agree the ribbon tweeter would be superior sounding , then again we are comparing the sound of the whole speaker , as a system , the higher sensitivity speaker would be very amp friendly, so if using low powered tubes for example, They would have a big advantage over the 20.7 ...

Maybe Norman will get one and let us know ... :)
Click to expand...
LoL

Maybe I will see them in a show?
 
TECHNICAL SPECIFICATIONS
Emission: monopolar full-range (Never dipolar)
Number of ways: 4
Nominal Crossover Frequencies: monopolar full-range (Never dipolar)
Resonance Frequency: 41,5 Hz
F -3 dB: 34,2 Hz
Sensitivity: 87dB/1W in normal enviromental conditions
Nominal Impedance: 8 ohm
Max amplifier power, per channel: between 50 and 500 watt RMS
Dimensions: 44 L x 38 P x 163 H cm
Recommended listening distance: 2,5 meters or higher ( 8” 6’)
Recommended listening height (at rec. distance): between 105 e 165 cm from floor (41 inch to 65 inch)
Min - Max distance from rear wall (internal corner): Min=10 cm (4 inch) – Max = depending on the room

Speaker Components:
woofer GR-W12/A;
low-mid planar BG Neo10;
mid-high planar BG Neo3 PDR;
tweeter Scan Speak D2010.

I just know tweeter Scan Speak D2010 : it is very very good....
For the price, I prefer choice Magnepan 20.7 because it's a know product.
 
hongkong said:
TECHNICAL SPECIFICATIONS
Emission: monopolar full-range (Never dipolar)
Number of ways: 4
Nominal Crossover Frequencies: monopolar full-range (Never dipolar)
Resonance Frequency: 41,5 Hz
F -3 dB: 34,2 Hz
Sensitivity: 87dB/1W in normal enviromental conditions
Nominal Impedance: 8 ohm
Max amplifier power, per channel: between 50 and 500 watt RMS
Dimensions: 44 L x 38 P x 163 H cm
Recommended listening distance: 2,5 meters or higher ( 8” 6’)
Recommended listening height (at rec. distance): between 105 e 165 cm from floor (41 inch to 65 inch)
Min - Max distance from rear wall (internal corner): Min=10 cm (4 inch) – Max = depending on the room

Speaker Components:
woofer GR-W12/A;
low-mid planar BG Neo10;
mid-high planar BG Neo3 PDR;
tweeter Scan Speak D2010.

I just know tweeter Scan Speak D2010 : it is very very good....
For the price, I prefer choice Magnepan 20.7 because it's a know product.
Click to expand...
Are you comparing the same unit?
The Delta 4 R10 loudspeakers system have a sensitivity of about 93 dB/2,83 V and a maximum power handling as high as 1.000 W/4 ohm. The transducers number 6 for each speaker. The hight is 65”. As for the other floor standing models of the Delta Series, into which they represent the flagship model, orienting to 30° towards the inside of the listening area can provide a perfect Horizontal NPS field also.
The Delta 4 R10 are 5 electric and 6 acoustic way systems whose two 12” woofers, equivalent to a unique 18” transducer, interface differently with the environment reaching a quite exceptional low frequencies analicity.
 
Hi guys

I for one, while initially enamored with all the things that planar/ribbons did so well, have over the years come to find one aspect of these drivers that I cannot ignore. They are dynamically compressed compared to domes or (especially) horns. If you listen closely for this effect it manifests itself between the dynamic elements of the speaker (usually the woofers, midbass and sometimes midrange) and the planer/ribbon elements.

It is very easy to hear on rock, symphonic and most jazz.

Kerry
 
Linesource ribbons or single drivers , if single ribbon driver , yeah i can see a possibility, if linesource ribbon , that single point source dome runs for cover ...

:)
 
AW

I would respectfully say you are commenting on big sound versus dynamic sound. Listen to a well designed horn loaded driver, there is no ribbon (covering the same frequency) IME, regardless of size, that comes close dynamically. They just cant launch the waveform in the same way.

Kerry
 
No im talking about dynamic compression and a full ribbon linesource (60 inchs min) Gives up nothing to a typical domestic horn design, both types are superior to anything else in this regard, horns will hit their dynamic compression limit when they exceed their throat design , this is usually heard when they become shouty, as some have described when listening to horns ..

Really big gigantic horns is a different fish :)

Have you ever heard a large ribbon linesource Kerry ...


PS: I was addressing your Single Dome comment initially
 
a.wayne said:
Have you ever heard a large ribbon linesource Kerry ...
Click to expand...

I have heard the IRS Betas at length many years ago, and the Wisdom Audio Adrenaline et al at shows. All big money. What line sources do you recommend that better single dome designs?

Kerry
 
Those two are not ribbons and the IRS is not a linesource speaker system , any of those two will better a single dome tweeter speaker system with dynamics , well the adrenaline for sure ...
 
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