앰프 대충 설계..#1

0..

더미로드: 장래를 위해 LB120을 중고로 구입할까 함

1..

좋다는 앰프들의 장점을 다 같다 묶어놓고 이것을 토글 스위치로 전환할 생각임..

사양결정:

• 50W (2 X 6L6GC), 3 Channel (Clean/Crunch/Lead)
• no Fx Loop

전면 패널: 5 switches, 9 knobs, 1 jack

• Power/Standby Switch
• Input
• Channel Selector: Clean, Crunch/Lead
• Lead Channel Mode: Crunch/Lead
• Feedback Mode: Feedback off/More Feedback/Resonance
• ToneStack: Two types - Clean, Crunch/Lead
• MasterVolume: 1 MasterVolume

후면 패널:

• 220V AC inlet
• 4/8/16 ohm output

2..

Tube Partitioning:

1st 12AX7: 1st stage for clean/lead channel (JJ ECC83S) 2nd 12AX7: 2nd/3rd stage for lead channel (Sovtek 12AX7LP) 3rd 12AX7: 4th/5th stage for lead channel (Sovtek 12AX7LP) 4th 12AX7: phase splitter (Sovtek 12AX7LP)

2X 6L6: power stage (EH 6L6GC)

3..

Power Transformer:

1st- 220VAC 2nd- 350 VAC with CT (250mA), 6.3VAC 3A, 50VAC (10mA), 12.6VAC 1A

Output Transformer: for 6L6GC PP 60W

Choke: 10H, 250mA