Power - Triode ·Triode
Low-mu directly heated power triode for high-quality Class A and push-pull Class AB audio amplification. Published conditions provide roughly 30 W single-ended, 90 W Class A push-pull, or about 200 W from a Class AB pair.
DA100: OSRAM combined diode-triode valve. The complete approved OSRAM sheet was read for construction, characteristics, operating data, and application guidance.
European 4-pin base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Applicable promoted ratings mapped semantically from the printed approximate-data/ratings tables; useful non-promoted operating, capacitance and service data retained in TUBE_SECTION_PARAMETER.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater/filament voltage
6 V
Plate impedance
1410 ohm
Mutual conductance
3900 uS
Amplification factor
5.5
Maximum anode voltage
0 V
Data set 02
Published operating points and test conditions from this source.
Amplification factor
5.5
Mutual conductance
3900 uS
Data set 03
Published operating points and test conditions from this source.
Anode Dissipation Maximum
50 W
Optimum Load
6600 ohm
Single-Tube Class-A Output
30 W
ClassA
Two-Tube Class-A Output
90 W
ClassA;PushPull
Two-Tube Class-AB Output
200 W
ClassAB;PushPull