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Ip +Isg Output / Hybrid / Output Transformer Less
EL509 ステレオパワーアンプ
MJ無線と実験 1995年10月号 に発表
プレート電圧がスクリーングリッド電圧よりも低くなると、プレート電流が減少する分、スクリーングリッド電流は増加する。それならスクリーングリッド電流とプレート電流を一緒に出力することで、歪みが減り、効率が高まる。特に低いプレート電圧で動作するOTLアンプでは効果的。
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File list
1z02.pdf | 137kB |
Data sheet of TANGO insulation transformer. | |
16kB |
Output wave form of 10kHz square wave in 8Ω load. | ||
16kB |
Output wave form of 10kHz square wave in 8Ω and 0.1μF parallel load. | ||
17kB |
Output wave form of 10kHz square wave in 8Ω and 0.47μF parallel load. | ||
AN6781_1-5.pdf | 109kB |
Data sheet of timer IC AN6781. | |
39kB |
Background image on title page. |
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17kB |
Externals photograph of EL509. |
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el509.pdf | 103kB |
Data sheet of EL509. | |
25kB |
Package photograph of EL509. |
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4kB |
General connection. |
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40kB |
Design of chassis. |
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35kB |
Design of chassis. |
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55kB |
Arrangement in chassis. |
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61kB |
Arrangement in upper chassis. |
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42kB |
Arrangement in lower chassis. |
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29kB |
Wiring for heater. |
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25kB |
Wiring for heater. |
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73kB |
Wiring for output stage. |
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64kB |
Wiring for output stage. |
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56kB |
Wiring for drive stage board. |
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61kB |
Wiring for drive stage board. |
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10kB |
fig1-4 |
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10kB |
Wiring for screen grid voltage regulator board. |
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13kB |
Wiring for screen grid voltage regulator board. |
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19kB |
Wiring for timer board. |
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29kB |
Wiring for timer board. |
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4kB |
Correction of high region distortion. |
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7kB |
Correction of high region distortion. |
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11kB |
Frequency response characteristic. |
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7kB |
Frequency response characteristic. |
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14kB |
Distortion rate characteristic. |
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7kB |
Distortion rate characteristic. |
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7kB |
Ep-Ip characteristic (EL-509). |
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15kB |
Output impedance characteristic. |
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7kB |
Output impedance characteristic. |
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4kB |
Triode connection. |
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5kB |
Esg is constant.,Ip+Isg output. |
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4kB |
Design of EL509 4 parallel SEPP. |
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9kB |
Design of EL509 4 parallel SEPP. |
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23kB |
Basic circuit. |
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13kB |
Basic circuit. |
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24kB |
The entire composition. |
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17kB |
The entire composition. |
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61kB |
Schematic of this amp (each channel part). |
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37kB |
Schematic of this amp (each channel part). |
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47kB |
Schematic of this amp (both channel part). |
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24kB |
Schematic of this amp (Both channels common parts). |
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81kB |
Internal structure of EL509. |
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124kB |
Chassis of power supply side. |
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177kB |
Chassis of amplifier side. |
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76kB |
Drive stage board. |
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33kB |
On the front. |
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36kB |
Upper right. |
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66kB |
Front view. |
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45kB |
Rear view. | ||
44kB |
Output wave form of 10kHz square wave in 8Ω load. | ||
43kB |
Output wave form of 10kHz square wave in 8Ω and 0.47μF parallel load. | ||
119kB |
Chassis of half opening. |
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24kB |
Chassis of half opening 2. |
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77kB |
Chassis of opening, after the diagonal view. |
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111kB |
Inside of chassis. |
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25kB |
Content page. |
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30kB |
Title page. |
最終更新日: 2000/08/01 21:39:07 +0900