| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $12.60 | $12.35 | $11.96 | $11.45 | Contact US |
Willsenton R8 KT88 45W+45W Vacuum Tube Integrated Amplifier Push-pull Power Amplifier (Black)
$1,621.96
Willsenton R8 KT88 45W+45W Vacuum Tube Integrated Amplifier Push-pull Power Amplifier (Silver)
$1,621.96
Willsenton R-800i Single Ended Class A Amplifier Vacuum Tube Integrated Amplifier 50W+50W 300B + 805
$2,912.97
Soundbox Loudspeaker Amplifier Board Power Start Protection Large Power Soft Startover Board Kits
Description:
- This product is not assembled board, users need to assemble the kits by yourself
- PCB spec: KBFR4 90mm X 60mm X 1.6mm
- Max height: 25mm
- Upgrade version, adopting imported RIFA electronic capacitor, more reasonable wiring, more good looking, prolong the using life
- Board protective board default is 10A
- Delay time is about 3 seconds
- Fuse and electrical isolation groove are added
- LED indicating light can show the working state
- Spark capacitor can effectively protect relay, providing convenient for soft startup
- Max bearing power can reach 2000W
- Kits lists: R1=15K 0.25W，R2=680K/2W，R3=270R/3W；C1=103/1KV，C2=C3=C4=1000UF/35V；D1=D2=D3=D4=D5=1N4007，D6=D7=1N4749A
