| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $37.60 | $36.84 | $35.68 | $34.15 | 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
LME49830 + IRFP240 + IRFP9240 100W Servo Field Effect Tube Power Amplifier Board
Specification:
- Working state: Class AB
- Output power: 100W*(4Ω)<* V=±60V>
- Operating voltage: -+55v
- Input interface: Single channel signal input
- Output interface: Single channel speaker output
- PCB: 139*93.5mm
Features:
- Driver adopts 2SA1930/2SC5171 tube
- A pair of IRFP240/IRFP9240 field tube,output low impedance
- Good mid-point voltage guard circuit,Horn time delay protection circuit, the main chip using the Japanese UPC1237
- DC servo circuit, and the mid-point output <5mV
- 2mm glass fiber board for two sides,accuracy 1% metal film resistance
- Single channel,you need two boards for dual channel,
- LME49830+ a pair of IRFP9240 for each channel
- PCB: 2mm
LME49830 chip parameter:
- Wide voltage range : +-20V ~ -+100V
- Conversion rate 39V/ s
- Drive current:60mA (typ)
- PSRR (F = DC) 105dB
- THD + noise (F = 1kHz) 0.0006
Package List:
- 1 x r Amplifier Board
