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CV181Sensibly equivalent¶ to:
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The CV181 double triode is of the low impedance type and takes a large heater power for such a valve. This valve is unmarked and identification is based on the writing on the box.The design is a modified NR73. The commercial equivalent is the ECC32.The double triode is found in amplifiers and instrumentation.
Face view of one anode.The classic envelope is 45 mm in diameter and, excluding the IO base pins, is 86 mm tall.References: Data-sheet & 1043. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |  g1(2) | a(2) | k(2) | g1(1) | a(1) | k(1) | h | h |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | 
| 6.3 | 0.95 | 250 | -4.6 | 6.0 | 14k | 2.3 |
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Updated October 19, 2015.
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