KR
HI - VACUUM TUBE DATA
Please
select one:
KR300B
Tube Characteristics
4
Pin UX4 Base |
Typical |
Maximum |
Plate Voltage: |
300
/ 400 V |
- |
Cathode Current: |
- |
100mA |
Dissipation: |
- |
45
W |
Grid Voltage: |
-60
/ -90 V |
- |
Transconductance: |
6,000 |
- |
Amplification
Factor: |
3.8 |
- |
Plate Resistance: |
700
Ohms |
- |
Load Resistance: |
2K5
Ohms |
- |
Power Output: |
10
W |
- |
Filament Rating:-
Voltage Uf: |
4 / 5 Volts
AC or DC |
- |
Current If: |
1.2A |
- |
KR300BXLS
Clear Glass Tube Characteristics
4
Pin UX4 Base |
Typical |
Maximum |
Plate Voltage: |
300
/ 400 V |
- |
Cathode Current: |
- |
120
mA |
Dissipation: |
- |
65
W |
Grid Voltage: |
-70
/ -100 V |
- |
Transconductance: |
6,000 |
- |
Amplification
Factor: |
4.0 |
- |
Plate Resistance: |
N/A |
- |
Load Resistance: |
N/A |
- |
Power Output: |
24
W |
- |
Filament Rating:-
Voltage : |
4.0 / 5.0 V AC or DC |
- |
Current : |
1.2A |
- |
KR2A3
Single-Plate Tube Characteristics
4
Pin UX4 Base |
Typical |
Maximum |
Plate Voltage: |
250
V |
- |
Cathode Current: |
- |
70
mA |
Dissipation: |
- |
18
W max. |
Grid Voltage: |
-45
V |
- |
Transconductance: |
5,500 |
- |
Amplification
Factor: |
4.0 |
- |
Plate Resistance: |
700
Ohms |
- |
Load Resistance: |
2K5
Ohms |
- |
Power Output: |
3
W |
- |
Filament Rating:-
Voltage : |
2.5 Volts AC or DC |
- |
Current : |
2.5A |
- |
KR
PX25 Tube Characteristics
4
Pin UX4 Base |
Typical |
Maximum |
Plate Voltage: |
400
V |
- |
Cathode Current: |
- |
60
mA |
Dissipation: |
- |
30
W max. |
Grid Voltage: |
-20
/ -40 V |
- |
Transconductance: |
6,000 |
- |
Amplification
Factor: |
4.0 |
- |
Plate Resistance: |
N/A |
- |
Load Resistance: |
N/A |
- |
Power Output: |
N/A |
- |
Filament Rating:-
Voltage : |
4.0 Volts AC or DC |
- |
Current : |
2.0A |
- |
KR10
Tube Characteristics
4
Pin UX4 Base |
Typical |
Maximum |
Plate Voltage: |
350
V |
500
V |
Cathode Current: |
20
mA |
30
mA |
Dissipation: |
- |
. |
Grid Voltage: |
-5
/ -10 V |
- |
Transconductance: |
|
- |
Amplification
Factor: |
4.0 |
- |
Plate Resistance: |
600
Ohms |
- |
Load Resistance: |
2K
/ 3K Ohms |
- |
Power Output: |
20
/ 30 W |
- |
|