CN201557244U - Signal amplification circuit of guitar loudspeaker box - Google Patents
Signal amplification circuit of guitar loudspeaker box Download PDFInfo
- Publication number
- CN201557244U CN201557244U CN2009202023360U CN200920202336U CN201557244U CN 201557244 U CN201557244 U CN 201557244U CN 2009202023360 U CN2009202023360 U CN 2009202023360U CN 200920202336 U CN200920202336 U CN 200920202336U CN 201557244 U CN201557244 U CN 201557244U
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- electron tube
- termination
- resistance
- cycle signal
- amplification circuit
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Abstract
The utility model relates to a signal amplification circuit of a guitar loudspeaker box. The signal amplification circuit comprises two electron tubes, six resistors and a transformer which are connected, wherein, one end of the first resistor is connected with the input end of a positive half-cycle signal, and the other end thereof is connected with one end G1 of the first electron tube; one end of the second resistor is connected with the input end of the positive half-cycle signal, and the other end thereof is connected with the negative electrode of a power supply; one end of the third resistor is connected with the input end of a negative half-cycle signal, and the other end thereof is connected with one end G1 of the second electron tube; one end of the fourth resistor is connected with the input end of the negative half-cycle signal, and the other end thereof is connected with the negative electrode of the power supply; one end G2 of the first electron tube is connected with the positive electrode of the power supply after connected with the fifth resistor; one end G2 of the second electron tube is connected with the positive electrode of the power supply after connected with the sixth resistor; the first electron tube and the second electron tube are connected though adopting the OCL push-pull circuit manner; the output end of the first electron tube and an output end of the second electron tube are connected with the input end of the transformer; and the output end of the transformer is connected with a loudspeaker. The signal amplification circuit of the guitar loudspeaker box has the advantages of low distortion and soft voice.
Description
Technical field:
The utility model relates to a kind of signal amplification circuit of Guitar voice box.
Background technology:
In the prior art, the signal amplification circuit of general Guitar voice box is by two triodes, five resistance, an inductance, an electric capacity connects to form, the positive half cycle signal input part of one termination of described first resistance, the base stage of another termination first triode, the emitter of second resistance, one termination, first triode, one end of another termination the 3rd resistance, the collector electrode of another termination second triode of the 3rd resistance, the collector electrode of first triode connects positive source, a termination negative half-cycle signal input of the 4th resistance, the base stage of another termination second triode, the collector electrode of second triode connects power cathode, one termination, second resistance of inductance and the common port of the 3rd resistance, an input of another termination loudspeaker, the input that termination loudspeaker of the 5th resistance are connected with inductance, the other end and capacitances in series and ground connection, another input end grounding of loudspeaker.Adopt the signal amplification circuit of the Guitar voice box of sort circuit structure, adopt this analog transistor of triode, be easy to generate the odd harmonic interference signal, distortion is big, and sound is comparatively stiff.
The utility model content:
The technical problems to be solved in the utility model is, overcomes existing technological deficiency, provides a kind of distortion little, the signal amplification circuit of gentle-voiced Guitar voice box.
Technical solution of the present utility model is, a kind of signal amplification circuit of Guitar voice box is provided, it comprises two electron tubes, six resistance, a transformer connects to form, the positive half cycle signal input part of one termination of described first resistance, the G1 end of another termination first electron tube, the positive half cycle signal input part of one termination of described second resistance, another termination power cathode, one termination negative half-cycle signal input of described the 3rd resistance, the G1 end of another termination second electron tube, one termination negative half-cycle signal input of described the 4th resistance, another termination power cathode connects positive source behind G2 termination the 5th resistance of described first electron tube, connect positive source behind G2 termination the 6th resistance of described second electron tube, described first electron tube is connected by the OCL push-pull circuit with second electron tube, the input of the output termination transformer of the output of described first electron tube and second electron tube, the output termination loudspeaker of described transformer.
After adopting said structure, the utlity model has following advantage: adopt electron tube to replace analog transistor, what electron tube produced is even-order harmonic, can not produce signal and disturb, and distortion is little, and is gentle in voice.
Description of drawings:
Accompanying drawing 1 is the circuit block diagram of the signal amplification circuit of Guitar voice box in the prior art;
Accompanying drawing 2 is circuit block diagrams of the signal amplification circuit of the utility model Guitar voice box.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Be illustrated in figure 1 as the circuit block diagram that prior art gathers the power circuit of sound console, it comprises two triodes, five resistance, an inductance, an electric capacity connects to form, the positive half cycle signal input part of one termination of described first resistance R 1, the base stage of another termination first triode Q1, the emitter of second resistance R, 2 one terminations, the first triode Q1, one end of another termination the 3rd resistance R 3, the collector electrode of another termination second triode Q2 of the 3rd resistance R 3, the collector electrode of the first triode Q1 connects positive source, a termination negative half-cycle signal input of the 4th resistance R 4, the base stage of another termination second triode Q2, the collector electrode of the second triode Q2 connects power cathode, one termination, second resistance R 2 of inductance L 1 and the common port of the 3rd resistance R 3, the input of another termination loudspeaker P, the input that a termination loudspeaker P of the 5th resistance R 5 is connected with inductance L 1, the other end is connected with capacitor C 1 and ground connection, another input end grounding of loudspeaker P.
Be illustrated in figure 2 as the circuit block diagram of the power circuit of the utility model sound console, the signal amplification circuit of the utility model Guitar voice box, it comprises two electron tubes, six resistance, a transformer connects to form, the positive half cycle signal input part of one termination of described first resistance R 1, the G1 end of another termination first electron tube V4, the positive half cycle signal input part of one termination of described second resistance R 2, another termination power cathode, one termination negative half-cycle signal input of described the 3rd resistance R 3, the G1 end of another termination second electron tube V5, one termination negative half-cycle signal input of described the 4th resistance R 4, another termination power cathode, connect positive source after G2 termination the 5th resistance R 5 of the described first electron tube V4, connect positive source after G2 termination the 6th resistance R 6 of the described second electron tube V5, the described first electron tube V4 is connected by the OCL push-pull circuit with the second electron tube V5, OCL push-pull circuit connected mode is a prior art, for caution's sake, now simply be described below: 7 ports of the first electron tube V4 are connected with 7 ports of the second electron tube V5,2 ports of the first electron tube V4 are connected with 2 ports of the second electron tube V5,8 ports of the first electron tube V4 are connected with 8 ports of the second electron tube V5, the common end grounding of two electron tube 8 ports, the input of the output termination transformer T1 of the output of the described first electron tube V4 and the second electron tube V5, the output termination loudspeaker P of described transformer T1.
Operation principle of the present utility model is: positive and negative half cycle signal is input in the signal amplification circuit, amplifies in two electron tubes respectively, is connected with loudspeaker by transformer then, and voice signal is provided.
Claims (1)
1. the signal amplification circuit of a Guitar voice box, it is characterized in that: it is by two electron tubes, six resistance, a transformer connects to form, the positive half cycle signal input part of one termination of described first resistance R 1, the G1 end of another termination first electron tube V4, the positive half cycle signal input part of one termination of described second resistance R 2, another termination power cathode, one termination negative half-cycle signal input of described the 3rd resistance R 3, the G1 end of another termination second electron tube V5, one termination negative half-cycle signal input of described the 4th resistance R 4, another termination power cathode, connect positive source after G2 termination the 5th resistance R 5 of the described first electron tube V4, connect positive source after G2 termination the 6th resistance R 6 of the described second electron tube V5, the described first electron tube V4 adopts OCL push-pull circuit mode to be connected with the second electron tube V5, the input of the output termination transformer T1 of the output of the described first electron tube V4 and the second electron tube V5, the output termination loudspeaker P of described transformer T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202023360U CN201557244U (en) | 2009-12-11 | 2009-12-11 | Signal amplification circuit of guitar loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202023360U CN201557244U (en) | 2009-12-11 | 2009-12-11 | Signal amplification circuit of guitar loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201557244U true CN201557244U (en) | 2010-08-18 |
Family
ID=42616934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202023360U Expired - Fee Related CN201557244U (en) | 2009-12-11 | 2009-12-11 | Signal amplification circuit of guitar loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201557244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977869A (en) * | 2015-07-15 | 2015-10-14 | 成都陌云科技有限公司 | Special processor in intelligent sound recognition robot |
| CN105142063A (en) * | 2015-07-16 | 2015-12-09 | 苏州欧可罗电子科技有限公司 | Wireless sound box based on WIFI and electron tube amplification circuit |
-
2009
- 2009-12-11 CN CN2009202023360U patent/CN201557244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977869A (en) * | 2015-07-15 | 2015-10-14 | 成都陌云科技有限公司 | Special processor in intelligent sound recognition robot |
| CN105142063A (en) * | 2015-07-16 | 2015-12-09 | 苏州欧可罗电子科技有限公司 | Wireless sound box based on WIFI and electron tube amplification circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Qifa Electronics Co.,Ltd. Assignor: Dong Lingjuan Contract record no.: 2010330002275 Denomination of utility model: Signal amplification circuit of guitar loudspeaker box Granted publication date: 20100818 License type: Exclusive License Record date: 20101224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20141211 |
|
| EXPY | Termination of patent right or utility model |