Among the RARE and "mysterious" valves we can also include the R120 TRIODE IDHT or with indirect heating produced almost exclusively by RT = French RadioTechnique and by the PHILIPS DARIO branch. This valve was mainly produced for French PTT systems and its quality and stability had to be unquestionable. In Japan among the first to discover it and, in a certain sense, to venerate it for its precise, detailed and transparent sound over the entire audio frequency range, the total absence of noise such as to enhance the dynamics. It is considered the indirectly heated 2A3, compared with the most famous triodes in history, such as PX4, PX25, 300B, AD1, it won at a European Triode Festival. This is a PERFECT RARE PAIR of fully NOS/NIB R120 RTs in their industrial address brown box. Impeccable physical and electrical condition and, PLEASE NOTE, CONSECUTIVE codes! TEST over > 100%, fully matched in Current and Gm. VERY RARE opportunity!
R120 RT RADIO TECHNIQUE PAIR OF TRIODE VALVES IDHT 2A3 INDIRECT HEATING NOS/NIB
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Wonderful, UNIQUE and RARE PAIR R120 NOS/NIB indirect heating triode manufactured by Radio Technique, considered the 2A3 IDHT, ideal for DIY AUDIO projects!
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- Brand / Manufacture / Plant
- R.T. LA RADIOTECHNIQUE / Francia
- Model / Type
- R120 / Triode
- Code / date manufacturing
- R120.54.20 e 21 / 1954
- NOS/NIB - NEW - NEVER USED
- Physical characteristics / Relevances
- Graphited glass , DOUBLE mica head , BLACK cylindrical plate , Inverted cup getter / IDHT , perfect matching
- TESTS (Detected Values) / Data Sheet Reference
- REFERENCE R120: (Ia) 60.0 mA with (Gm) 6.4 mA/V
TUBE1: (Ia) 62.0 mA with (Gm) 7.0 mA/V - 110% Emission
TUBE2: (Ia) 64.0 mA with (Gm) 7.0 mA/V - 110% Emission
- Recommended for
- HI-FI and HI-End systems , P.A. Amplification , Audio Frequency
- STARS / RATE (Rating from 1 to 5)
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