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ชมรมดับเบิ้ลเบสไทย
บริการวงดนตรีสำหรับงานวิวาห์และงานโอกาสต่างๆ
ͧѴ§ BM Recording Studio ͧѹ֡§سҾ
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Ѿͧ§

⾧ Passive ⾧Ҥ§ Amplifier 㹵ͧ 繵⾧ ҾѺ͡⾧ Ҩеͧͧ§
Power Amplifier ҵ͢Ѻ⾧ Passive ӧҹ ⷹ§ͧ⾧¹仵ҹ

ʹ öⷹ§ͺһѺ§ТѺ͡ҡ⾧
ͨӡѴ дǡ⾧Ẻ Active еͧ Power Amp. ҵ;ǧԴ§ ҡѺõ;ǧѭҳҡѺ Power Amp.
ͧͧѺѭҳդسҾ٧ ҡѭҳ դسҾҨسҾ§͡ó ҡӹҭ §͡ Ҩ⾧ Active

⾧Ẻ Passive ҤҶ١⾧Ẻ Active дѺǡѹ ⾧Ẻ Passive ѧҤҢͧ Power Amplifier ѭҳѺ

⾧ Active ⾧Ҥ§ Amplifier 㹵 §º ( AC ẺѺ) Input ǢѺ§͡ҧ⾧ 觼ԵͧùмԵѧѵѺ͡⾧ ͡ա Class AB Class D Ҥҡеҧѹ仴 ǹ˭ҹ͹, ҹ Event ͡ٸ ͧҹ Exhibition ѷ乫 м价դӹҭҡѡй⾧Դ

ʹ ҹдǡ §͡Ҵյҵðҹ еԴдǡ
ͨӡѴ 繤ͺѺ ⾧ Active Ҩ ö¹㹵

 

RMS Ҩҡ Root-Means-Square
͡ѧ ͧ§͡ҧͧ ҧ 1,000W RMS

dB Ҩҡ ഫ (ѧ: decibel, dB) ˹Ѵºѵǹҧҳ§ͧҳ ѺѴѧͧ§ Դ Alexander Graham Bell ѹҡ㹷ҧͤʵԡ ԡ硷͹ԡ ഫ˹Ѵ˹͹繵 ˹ഫ˹·öʴ٧Фҵººѹͧҡӹdzҡ͡Է дѺഫŷ֧ѹ¢ͧٻԤ 85 ഫŢ (ѧҡѺѧª)

SPL Ҩҡ Ǵ (Sound Pressure Level) ˹ѴҤѧ٧شͧ§˹ѴdBա˹ҵðҹ SPL դҷҡ ¶֧ѧ§ѧ 㹢ǡѹ SPL դҷ ¶֧ѧ§դѧŴŧ

GND/LIFT Ҩҡ Ground-Lift ͻѺѴ Ground ͧѭҳ§ҧػó¡͡ҡѹ ͻͧѹѭ Ground-Loop 繷Ңͧ§§ ʶҹóáԻж١ͻѭ Ground-Loop ҹ

(ѧ: ohm) (ѭѡɳ : Ω) ˹ (SI) ͧᴹҧ俿 㹡óբͧѺ ͤҤҹҹ俿 㹡óբͧʵç 駪͵ ͹ ѡԡѹ

HF transducer ҡҡ high frequency transducer ŧѭҳ٧

LH transducer ҡҡ Low frequency transducer ŧѭҳ

NFB Ҩҡ No Fuse Breaker ¶֧ Ѵǹ 

KHz Ҩҡ 췫 (ѧ : Kilohertz)
繤蹤դҡѺ 1,000 췫 ˹ѴӹǹͺԹҷ 1 췫 ֧ҡѺ˹觾ѹͺԹҷ Ѻ§٧

Hz Ҩҡ õ (ѧ: Hertz) ˹͹ؾѷ (SI) ˹¢ͧҤ 1 Hz ҡѺ 1 Թҷ (1/s) 1Hz=1/S ѧ 50 Hz ¶֧դҡѺ 50 駵 1 Թҷ Ѻ§
˹õҨҡ͹ѡԡѹ ιԪ η 繹ѡԷʵҧҹ俿
˹õ˹á .. 2473 (.. 1930) ᷹ ˹ ͺԹҷ (cycles per second cps) 㹻 .. 2503 (.. 1960) 㹻 .. 2513 (.. 1970) ˹ Hz 鷴᷹ cps ᷺

W Ҩҡ ѵ (watt) ˹ͧ͢ѧ 駪͵ ѵ ҧѧҹ˹ѵ ʹ俷ҹ 100 ѵ з͹Ե俿ͧѹҹѵ

1 ѵ դҡѺ 1 ŢͧѧҹԹҷ

ŵ ѵ ᵡҧѹҧ
ŵ (volt V) ˹·¡ͺ͡Ҵͧçѹ俿㹺ҹ ҷ 220 V ¶֧ Ҵͧçѹ俿ҡѺ 220 ŵ (¡к)

(ampere A) ˹·¡Ѻ͡ҳͧ俿ҷżҹǹ ػó俿ҹͧ ҷ 5 A ¶֧ ҳ俿ҷżҹҡѺ 5

ѵ (Watt) ˹Ѵѧ俿ҷ繵Ǻ͡ѧҹ俿Ңͧػóͧ俿 ЪԴ㹡÷ӧҹ ʹ 100 ѵ ¤ ʹ信Թ 100 ŵԹҷ
1 W = 1 J/s = 1 ǵѹ Թҷ = 1 kg·m2·s−3

ͺسҨҡ ԡԾ
ͺسҾҡ www.powermeterline.com

 

 

 

 
 

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