Dual Cone

pioneer dual-cone speakers question?

I have a brand new Pioneer TS-164P Dual-Cone Speaker 16cm. They are 6-1/2″, GM 6-3/4″ compatible. Max 100W, 40-20,000Hz, 92dB, water resistant, shallow basket design.

Dual-cone speakers are good for two things: 1. paperweights, or 2. cross them over for low midrange. You might get $20 from someone that doesn’t know any better. I would give them to someone that needed speakers and couldn’t afford to buy any.

SPEAKER 12 inch Full Range PM w/ dual cone – used – tested $7.90

UTAH V10JC23 SPEAKER 10 inch Full Range PM w/ dual cone – used – tested $7.90

Symons cone crusher Liming heavy industry in the introduction, absorption of foreign technology, based on customer needs, based on the theory mill and a series of break the game conceptual design developed by a small mill to establish a high priority frequency, optimizing the type of cavity and a stroke reasonable modern rock machine high performance. = "_blank"> Target Symons cone crusher can be widely used in mines metal and non metal, cement, gravel and other metallurgical industries. Symons cone crusher, iron ore, nonferrous metal ores, granite, stone limestone, quartzite, sandstone, pebbles and so on.
Symons Cone Crusher Features:
1, high-performance
Cavity design and optimization of using rational combination of speed and stroke, so that the models in the same cone diameter, the case up to do the job. Thus, with the same type cone crusher, compared with more performance and productivity.
2, the product composition of a good size
Using the theory of rolling broken so that the product significantly increased the proportion of the cube, Flake stone needles reduced grain size more uniform.
3, the stability of Symons cone crusher good
When a piece of iron and other materials in the machine, when broken, the iron protection device will automatically be released and then automatically resets. Guo Tie Protection nesting population return to a fixed point, different iron through the crushing chamber, making a quick resumption of the population original nest.
4, the cavity to facilitate the Qing
If the closed circuit breaker load condition, the hydraulic system quickly can clean the cavity of the Qing dynasty the grinding chamber, significantly reducing downtime.
5, high reliability
The use of large diameter mainframe right spindle, heavy, and independent light oil lubrication system, automatic control system to ensure robust and reliable equipment operation.
6, to facilitate easy maintenance
All parts are removable from the top or side laying down cone and fixed cone assembly can be easily divided out. Bronze sliding bearing broken in high vibration and shock environments can maintain the charge transport leading performance and cheaper than the bearing, maintenance and more convenient.
7, the production cost is low
As the production capacity of large, high reliability, ease of maintenance, significantly reducing production costs.
8, widely used
Features of Symons cone crusher is to make the machine play the maximum performance stone to apply to a variety of crushing process: from extra thick broken in the dust from crushers = "_blank"> meta crusher mobile station.
Symons cone crusher in the pieces of the thick variety of special cavity to choose from, so you can choose under the grinding process of crushing type of camera.
9, sub-lubrication of the body, control multi-point lubrication system independent of the oil dilution can ensure that the machine bearings lubricated dual protection, and the machine auto-safety protection can be realized.

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