Sophia Electric™ 845 MK3 Carbon Plate Valve -- RCA 845 direct replacement
Sophia Electric Carbon 845 MK3 valve was introduced in November 2010.
Sophia Electric MK3 845 are at least as good as vintage RCA 845 valves!
RCA format: filament voltate: 10V, filament current: 3.2A
Specification
- Nominal operating conditions and parameters:
- Filament voltage
10,0 V
- Nominal filament current
3.2A
- Plate voltage
1250 V
- Grid voltage
-200 V
- Plate current
80 mA
- Plate resistance
1,7 kΩ
- Amplification factor
5,0
- Load resistance
3,4 kΩ
- Signal voltage(pk)
69,0 V
- Output Power
25 W
- Limiting Operation conditions for safe operation-non simultaneous ratings:
- Maximum plate voltage
1250 V
- Maximum plate dissipation
75 W
- Maximum plate current
120 mA
- Maximum input power of signal
150 W
Sophia Electric™ 845 valve
PRICING
| Option 1: Premium matched pair with one year warranty. | €970 |
| Option 2: Premium matched pair with 30 days warranty. | €850 |
Orders and warranty