ES213636U - AUDIO AMPLIFIER FOR MEGAPHONE. - Google Patents
AUDIO AMPLIFIER FOR MEGAPHONE.Info
- Publication number
- ES213636U ES213636U ES0213636U ES213636U ES213636U ES 213636 U ES213636 U ES 213636U ES 0213636 U ES0213636 U ES 0213636U ES 213636 U ES213636 U ES 213636U ES 213636 U ES213636 U ES 213636U
- Authority
- ES
- Spain
- Prior art keywords
- signal
- amplifier
- input
- preamplifier
- common
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
Landscapes
- Management Or Editing Of Information On Record Carriers (AREA)
- Amplifiers (AREA)
Abstract
AMPLIFICADOR DE AUDIO PARA MEGAFONÍA, que estando constituido por dos unidades, preamplificadora y amplificadora de potencia, dotadas de sus correspondientes circuítos con los componentes electrónicos necesarios adecuadamente conexionados para realizar las propias etapas de preamplificación y amplificación, esencialmente se caracteriza porque la unidad preamplificadora se compone de varios módulos de entrada de señal y un módulo común a todas las funciones; de forma que cada uno de los módulos de entrada dispone de un control de volumen individual a efectos de mezcla de señal, y un conmutador de botonera o rotativo que, seleccionando los distintos valores de impedancia de entrada, está adaptado para que con un solo conector de entrada, por módulo pueda conectarse a los diferentes aparatos de fono, radio, micrófono y cinta, independientemente; en tanto que el módulo común va provisto de un magnetofón a cassette que permite la reproducción de cintas y el registro de señales que entran por losmódulos de entrada, incluyendo asimismo los controles generales comunes a todas las entradas, así como un conector de salida de señales para unirlo al propio amplificador y un conector de entrada de señales para unirlo a otro preamplificador con el fin de multiplicar el número de entradas de señal al mencionado amplificador.AUDIO AMPLIFIER FOR MEGAPHONY, which being made up of two units, preamplifier and power amplifier, equipped with their corresponding circuits with the necessary electronic components properly connected to carry out the preamplification and amplification stages themselves, is essentially characterized by the fact that the preamplifier unit is composed of of several signal input modules and a module common to all functions; so that each of the input modules has an individual volume control for signal mixing purposes, and a push-button or rotary switch that, by selecting the different input impedance values, is adapted so that with a single connector input, per module can be connected to the different phono, radio, microphone and tape devices, independently; while the common module is provided with a cassette tape recorder that allows the playback of tapes and the recording of signals that enter through the input modules, also including the general controls common to all inputs, as well as a signal output connector to connect it to the amplifier itself and a signal input connector to connect it to another preamplifier in order to multiply the number of signal inputs to the said amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES1975213636U ES213636Y (en) | 1975-06-30 | 1975-06-30 | AUDIO AMPLIFIER FOR MEGAPHONE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES1975213636U ES213636Y (en) | 1975-06-30 | 1975-06-30 | AUDIO AMPLIFIER FOR MEGAPHONE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES213636U true ES213636U (en) | 1976-06-16 |
| ES213636Y ES213636Y (en) | 1976-11-16 |
Family
ID=8378162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES1975213636U Expired ES213636Y (en) | 1975-06-30 | 1975-06-30 | AUDIO AMPLIFIER FOR MEGAPHONE. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES213636Y (en) |
-
1975
- 1975-06-30 ES ES1975213636U patent/ES213636Y/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES213636Y (en) | 1976-11-16 |
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