CN2585485Y - Asymmetric transistor amplifier - Google Patents
Asymmetric transistor amplifier Download PDFInfo
- Publication number
- CN2585485Y CN2585485Y CN 02261782 CN02261782U CN2585485Y CN 2585485 Y CN2585485 Y CN 2585485Y CN 02261782 CN02261782 CN 02261782 CN 02261782 U CN02261782 U CN 02261782U CN 2585485 Y CN2585485 Y CN 2585485Y
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- tone
- power supply
- amplifier
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- low
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Abstract
The utility model discloses an asymmetric vacuum tube amplifier, which is characterized in that an amplifying device is provided with a high-tone power supply and a medium and low-tone power supply; a high-tone channel riser is respectively connected with a high-tone input end, a high-tone amplifier and the high-tone power supply; a medium and low-tone riser is respectively connected with a medium and low-tone input end, a medium and low-tone push-pull amplifier and the medium and low-tone power supply; the high-tone amplifier is connected with a high-tone loudspeaker; the medium and low-tone push-pull amplifier is respectively connected with a medium and low-tone loudspeaker and a medium-tone loudspeaker. The utility model is provided with a channel for medium and low tone, and is provided with a special channel for high tone; the medium and the low tone are completed by a push-pull circuit; the high tone is completed by a single-end amplifying circuit, namely the utility model adopts asymmetric amplifier with a left and a right channels; the channel for the medium and the low tone is provided with the medium and low-tone power supply; the channel for the high tone is provided with a high-tone power supply. In addition, the utility model is also provided with the corresponding high-tone channel riser and the high-tone riser, and thus the vacuum tube amplifier has the advantage that the high tone, the medium tone and low tone are rich.
Description
Technical field:
The utility model relates to the technical field of stereo set, specifically a kind of asymmetric discharge-tube amplifier
Background technology:
It all is push-pull amplifier circuits that the stereo twin-channel conventional design of electron tube in the present stereo set mostly adopts left and right sides binary channels, or all make up with single-ended amplifying circuit, the general pursuit bass person of enriching great majority adopt push-pull amplifier circuits, and pursue the single-ended amplifying circuit of the general employing of the alt person of enriching.Really in discharge-tube amplifier, the effect of enriching that has senior middle school's bass at same passage simultaneously is very difficult, if in same amplifier, on twin-channel basis, to hang down middle pitch and establish a passage, and the ad hoc passage of high pitch, and making its effect of enriching with senior middle school's bass, also to be one be not easy problem.
Summary of the invention:
The purpose of this utility model is to provide a kind of asymmetric discharge-tube amplifier, and it can on twin-channel basis, will hang down middle pitch and establish a passage in same amplifier, and the ad hoc passage of high pitch, and makes it have all abundant effects comparatively of senior middle school's bass.
To achieve these goals, the technical solution of the utility model is: a kind of asymmetric discharge-tube amplifier, it mainly comprises housing, be contained in the loud speaker and the high pitch that is connected with amplifying device, middle bass binary channels input of housing, it is characterized in that: amplifying device is provided with high pitch power supply and middle bass power supply, and high pitch passage lifter is connected with high pitch input, high playback amplifier and high pitch power supply respectively; Middle bass boost device is connected with middle bass input, middle bass push-pull amplifier and middle bass power supply respectively; High playback amplifier is connected with high pitch loudspeaker, and middle bass push-pull amplifier is connected with woofer, Squawker respectively.
The utility model will hang down middle pitch and establish a passage, and the ad hoc passage of high pitch, that is to say and adopt low, middle pitch push-pull circuit to finish, and high pitch adopts single-ended amplifying circuit to finish, promptly adopted the asymmetric amplifier of left and right sides binary channels, in bass channel be furnished with middle bass power supply, the high pitch passage is furnished with the high pitch power supply, is provided with corresponding middle bass boost device and treble boost device in addition and makes this discharge-tube amplifier have all abundant effects comparatively of senior middle school's bass.
Description of drawings:
Fig. 1 is that the circuit of the utility model one embodiment connects block diagram
Fig. 2 is the high pitch power supply among Fig. 1 and the circuit diagram of middle bass power supply
Fig. 3 is the high pitch passage lifter among Fig. 1 and the circuit diagram of high playback amplifier
Fig. 4 is the middle bass boost device among Fig. 1 and the circuit diagram of middle bass push-pull amplifier
Embodiment:
Below in conjunction with drawings and Examples the utility model is further described.
The utility model mainly comprises housing, be contained in the loud speaker and the high pitch that is connected with amplifying device, middle bass binary channels input of housing, it is different from prior art and is: amplifying device is provided with high pitch power supply 1 and middle bass power supply 5, and high pitch passage lifter 2 is connected with high pitch input 3, high playback amplifier 4 and high pitch power supply 1 respectively; Middle bass boost device 6 is connected 1 with middle bass input 7, middle bass push-pull amplifier 8 and middle bass power supply respectively; High playback amplifier 4 is connected with high pitch loudspeaker 9, and middle bass push-pull amplifier 8 is connected with woofer 10, Squawker 11 respectively; Implement alt power supply 1 and two groups of coils are arranged through transformer T1 output secondary, the two ends of one group of coil X3 connect two anodes of electron tube G2 respectively, one tap ground connection is arranged in the middle of this group coil X3, the negative electrode of the termination electron tube G2 of another group coil X4, the other end of this group coil X4 is connected with another negative electrode of electron tube G2, an end of capacitor C 5, the end of inductance H2 respectively, the other end ground connection of capacitor C 5, the end of inductance H2 is connected with an end of capacitor C 6, the other end ground connection of capacitor C 6; Low middle pitch power supply has two groups of coils through transformer T2 output secondary, the two ends of one group of coil X1 connect two anodes of electron tube G1 respectively, one tap ground connection is arranged in the middle of this group coil X1, the negative electrode of the termination electron tube G1 of another group coil X2, the other end of this group coil X2 is connected with another negative electrode of electron tube G1, an end of capacitor C 3, the end of inductance H1 respectively, the other end ground connection of capacitor C 3, the end of inductance H1 is connected with an end of capacitor C 4, the other end ground connection of capacitor C 4; The utility model solves different voltages in the power supply of SEPP single ended push-pull, the coupling of electric current, adopt high pitch output transformer and middle bass output transformer to solve, and in the passage height is being set separately, middle bass channel lifter, high playback amplifier, middle bass push-pull amplifier, about high pitch passage lifter, high playback amplifier, middle bass boost device, middle bass push-pull amplifier all can be considered prior art, be not described specifically at this, the high pitch power supply of present embodiment is by electron tube G2, capacitor C 5, capacitor C 6, inductance H2 forms the full-wave rectification power supply, middle bass power supply is by electron tube G1, capacitor C 3, capacitor C 4, inductance H1 forms the full-wave rectification power supply, high pitch output transformer T1 and middle bass output transformer T2 all adopt the segmentation coiling to form two groups of coils, two groups of power supply power supplies have reached the voltage difference fully, the effect that electric current difference and power equate, treble boost is by electron tube G7, capacitor C 9, capacitor C 10, capacitor C 13, inductance H3, capacitor C 12, resistance R 12, resistance R 11 capacitor C 11 are formed the treble boost device, and middle bass boost is by electron tube G6, resistance R 34, resistance R 35, capacitor C 19 is adjusted lifting.
Claims (3)
1, a kind of asymmetric discharge-tube amplifier, it mainly comprises housing, be contained in the loud speaker and the high pitch that is connected with amplifying device, middle bass binary channels input of housing, it is characterized in that: amplifying device is provided with high pitch power supply and middle bass power supply, and high pitch passage lifter is connected with high pitch input, high playback amplifier and high pitch power supply respectively; Middle bass boost device is connected with middle bass input, middle bass push-pull amplifier and middle bass power supply respectively; High playback amplifier is connected with high pitch loudspeaker, and middle bass push-pull amplifier is connected with woofer, Squawker respectively.
2, by the described a kind of asymmetric discharge-tube amplifier of claim 1, it is characterized in that: the high pitch power supply has two groups of coils through transformer output secondary, the two ends of one group of coil (X3) connect two anodes of electron tube (G2) respectively, one tap ground connection is arranged in the middle of this group coil (X3), a negative electrode of one termination electron tube (G2) of another group coil (X4), the other end of this group coil (X4) respectively with another negative electrode of electron tube (G2), one end of electric capacity (C5), one end of inductance (H2) connects, the other end ground connection of electric capacity (C5), one end of inductance (H2) is connected with an end of electric capacity (C6), the other end ground connection of electric capacity (C6).
3, by the described a kind of asymmetric discharge-tube amplifier of claim 1, it is characterized in that: low middle pitch power supply has two groups of coils through transformer output secondary, the two ends of one group of coil (X1) connect two anodes of electron tube (G1) respectively, one tap ground connection is arranged in the middle of this group coil (X1), a negative electrode of one termination electron tube (G1) of another group coil (X2), the other end of this group coil (X2) respectively with another negative electrode of electron tube (G1), one end of electric capacity (C3), one end of inductance (H1) connects, the other end ground connection of electric capacity (C3), one end of inductance (H1) is connected with an end of electric capacity (C4), the other end ground connection of electric capacity (C4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02261782 CN2585485Y (en) | 2002-11-21 | 2002-11-21 | Asymmetric transistor amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02261782 CN2585485Y (en) | 2002-11-21 | 2002-11-21 | Asymmetric transistor amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2585485Y true CN2585485Y (en) | 2003-11-05 |
Family
ID=33728475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02261782 Expired - Fee Related CN2585485Y (en) | 2002-11-21 | 2002-11-21 | Asymmetric transistor amplifier |
Country Status (1)
Country | Link |
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CN (1) | CN2585485Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3920415A1 (en) * | 2020-06-04 | 2021-12-08 | Echowell Electronic Co., Ltd. | Vacuum tube amplification system capable of reducing residual noise and a grounding method thereof |
TWI784178B (en) * | 2019-06-27 | 2022-11-21 | 名世電子企業股份有限公司 | Vacuum tube and transistor amplifier natural sound field crossover system |
-
2002
- 2002-11-21 CN CN 02261782 patent/CN2585485Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI784178B (en) * | 2019-06-27 | 2022-11-21 | 名世電子企業股份有限公司 | Vacuum tube and transistor amplifier natural sound field crossover system |
EP3920415A1 (en) * | 2020-06-04 | 2021-12-08 | Echowell Electronic Co., Ltd. | Vacuum tube amplification system capable of reducing residual noise and a grounding method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031105 Termination date: 20091221 |