Speaker build?

[1929]

Cant make a decision, which do most prefer, to build a Altec lansing Model 19, or build a Stonehenge cabinent with a 604 coaxial?

 

[Galu]

Looks like you're new to the forum 1929, so I'll give your thread a little nudge.

Tell us more about your dilemma - can't you make up your mind between a 2-way system and a coaxial system?

Personally, I'd be happy with either of the systems you've mentioned - if only I had houseroom for them!

 

[1929]

Looks like you're new to the forum 1929, so I'll give your thread a little nudge.

Tell us more about your dilemma - can't you make up your mind between a 2-way system and a coaxial system?

Personally, I'd be happy with either of the systems you've mentioned - if only I had houseroom for them!

My friend said the same thing, if he only had the room. I have Pi 4 speakers now, with the JBL 15" Woofers, but I heard the my friends Altec Model 14, just wondering how much better the Model 19 or 17 sound.

 

[LineSource]

The larger horn on the Model_19 usually earns the winning vote, especially in larger rooms where the listener is over 8' away.

-Check the latest prices at GPA on parts for the Model_19 and Altec 604.
-Newer tech like the BMS 4594ND coaxial compression driver, OS and eJMLC profile waveguides are in the same price range.
-Since you own Pi 4 speakers, you might decide to study a few "big-jump" designs before you make a decision.

 

[1929]

The larger horn on the Model_19 usually earns the winning vote, especially in larger rooms where the listener is over 8' away.

-Check the latest prices at GPA on parts for the Model_19 and Altec 604.
-Newer tech like the BMS 4594ND coaxial compression driver, OS and eJMLC profile waveguides are in the same price range.
-Since you own Pi 4 speakers, you might decide to study a few "big-jump" designs before you make a decision.

Thanks for the info

 

[GM]

Cant make a decision, which do most prefer, to build a Altec lansing Model 19, or build a Stonehenge cabinent with a 604 coaxial?

Overall performance wise, my Avatar 'speaks' for me .

The 19 is designed for large studio monitoring/playback, whereas the 604 is a small room [near-field = 4 ft back then] radio broadcast, etc., studio monitoring/playback two way system, so while both work to a lesser or greater extent in any room with the LP distance being the primary deciding criteria after personal preference; the 19 is the more compromised in a small room unless properly damped to be ~ reflection free to behind the LP and bass traps used to knock down at least the worst of the room mode LF peaks.

GM

 

[Pano]

Small room go coax. Bigger room use the horn. That's been my experience. Both sound good, but the Model 19 sounds bigger to me. There are some good crossover designs published for the coax,

 

[LineSource]

Boom-Boom is a good name for a Boxer, not a HiFi speaker.

The original Model_19 port is just a 26sqin rectangle cut into 0.75" plywood port...11" x 2.35" x 0.75" has F3 ~39.4Hz port tuning for 9cuft volume 9664Hz resonance. The latest GPA Model 416-8C ferrite magnet has Qts = 0.22. Two 4" diameter ports from 3.2" - 4.45" long support 32Hz - 40Hz tuning.
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THE BIG PICTURE: For low frequencies up to about 200Hz, room interaction from the floor and walls will have a significant affect on the bass SPL shape. Hence, the flatest in-room SPL often comes from a "bass-shelf" cabinet alignment where the cabinet+port are tuned for a downward sloping SPL which complements the rising wall gain.