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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.




H.H. Scott '59





Visualizzazione post con etichetta EPI. Mostra tutti i post
Visualizzazione post con etichetta EPI. Mostra tutti i post

EPI Model 60 speakers


 Philosophy of EPi Loudspeakers

EPI Loudspeakers division has incorporated all new technological advances, including new cabinet-making technologies, into three highly developed products. the results are three high-performance speaker systems at value prices. this fits right in with the EPI corporate policy. to continue to pioneer improvements in the area of natural sound, and at the same time, furnich you with realistically priced components. to do this we have separated our company into three divisions. with this new corporate structure we can continue to develop new and exciting audio products in different price ranges, because each speaker line gets the full design and engineering attention it deserves. our dedication to product quality is based on our personal interest in the integrity of sound. we're focusing on a new clarity which defines the unique acoustical properties of every instrument. Clear, transparent high frequencies, and tight, crisp basses, giving the listener the ultimate in natural sound.

 


EPI Model 60

The Linear Sound of an EPI Loudspeaker was never better represented than in our least expensive of a new generation of speaker systems - the EPI Model 60 in a cabinet of attractive new dimensions, the Model 60 offers the same dynamic performance as its predecessor,, the Model 50. EPI has essentially designed a conveniently-sized bookshelf speaker while maintaining the accuracy of sound reproduction. this simply means that regardless of how demanding the listening material may be the Model 60 is capable of delivering transparent high frequencies and solid, but distinct bass notes. its driver complement consists of a 1 inch EPI air-spring tweeter and a custom-made 6 inch high-compliance woofer. the elements of the drivers are combined and tested in the manufacturing process to insure a consistency of quality in a compatible module configuration. One of the most Impressive characteristics of the EPI model 60 is the ease with which it handles massive amounts of power. in this respect it is nearly as capable as the more expensive models. in addition, the Modell 60 is noted (as are all EPi loudspeakers) for its remarkable dispersion. the Speaker boasts an ability to reproduce accurate program material 60° to 90° off axis. This allows you to fill any listening room with equal musical energy over the entire range of the speaker. what is represented in the Model 60 is a method of avoiding any compromises of sound purity by utilizing our advanced technological improvements in relatively small enclosure. the genius of the Model 60 is the fact that we have been successful in capturing many of the outstanding benefits of our more elaborate models.

 


Specifications

Frequency Response:  50 Hz - 18,000 Hz   ±3 dB 

Recommended RMS Power Range:  10 to 35 watts

Crossover:  1800 Hz

Driver Complement:

1 x 1" Air Spring tweeter

1 x 6" Long Traverse Woofer

Nominal Impedance:  8 Ω 

Dimensions  (W x H x D) 17" x9" x 7"

Weight:  15 lbs

EPI A-70 loudspeaker


"The EPI A70 is a small and inexpensive two-way "mini-bookshelf' speaker system. It has a 6-inch acoustic-suspension woofer crossing over at 1,800 Hz to a 1-inch inverted-dome tweeter (similar to the tweeters used in other EPI speakers for many years). The nominal system impedance is 4 ohms, and it is rated to handle 50 watts input for 8 hours in accordance with EIA Standard RS-426A. The recommended minimum amplifier power is 15 watts per channel. 
The A70 has no level or balance controls. The insulated spring-loaded input connectors are recessed into the rear of the cabinet. Removing the black grille-cloth assembly (whose frame is retained by plastic pegs on the cabinet) reveals the drivers, with the tweeter just above the woofer and slightly to its right. The wooden cabinet is veneered in wood-grain vinyl."
Stereo Review

Specifications
Frequency Response:  45 - 20,000 Hz
Senistivity: 94 dB
Impedance: 4 Ω
Dimensions (W x H x D): 10-1/2  x 16 x 7-1/4 inches
Weight: 15 puunds