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What is the Altec 604 sound?

Hi
I have read some reviews of loudspeakers based on Altec 604 two-way coaxials (which are now manufactured by Great Plans Acoustics) and that are even suggested for low-power tube or FirstWatt amplification. In all cases the cabinet is quite big, but still acceptable.
So I was wondering how they sounded since the speaker was designed for theaters, whereas here they would be used for home speakers.
How are they with classical and acoustic music, and especially with low volume night listening where the great sensitivity should make them magical. 

Thanks
Alberto 

128x128ulul
toddalin's avatar
toddalin
240 posts
 

In So Cal? You are welcome to hear my one-off, tri-amped, Super Big Reds using vintage Marantz equipment.  The cabinets are 15.5 cu ft exterior volume.

https://youtu.be/4MWmYYV1bg4

 

ulul's avatar
ulul OP
12 posts
 

Beautiful system Toddalin, I would come to hear it gladly, but I am in Italy....

Pdreher thanks, The idea would be a 604 or 605 in a cabinet a little less wide than the 620 which is 26'. 
I will look into HiFi Haven.
About the sound, from what you tell me I understand that Altec are perhaps more delicate and less strident than Klipsch (Heritage, Forte, Cornwall)?
At low volume 60db are they still alive? My Avalon Indra (which have 87db sensitivity) at 70/80db are wonderful, but at 60db they fall flat. 

pdreher's avatar
pdreher
1,211 posts
 

I have limited exposure to Klipsch speakers, but from what I have read on forums, Klipsch Cornwall can be fatiguing.  I did have a brief listen to Forte IV's and I thought they were ok, but prefer my Altec's,   I typically listed at 65 db average and they sound very much alive and dynamic.

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