6DJ8: Difference between revisions
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}} with a 6.3 V, 365 mA heater and a {{B9A base}}. | }} with a 6.3 V, 365 mA heater and a {{B9A base}}. | ||
The high-reliability version is the [[6922]] aka [[E88CC]] (6.3 V, 300 mA heater) or | The high-reliability version is the [[6922]] aka [[E88CC]] (6.3 V, 300 mA heater) or [[8416]] (12.6 V, 180 mA heater). | ||
With 15 mA of plate current, 90 V plate-to-cathode voltage, and −1.3 V grid-to-cathode, the 6DJ8 provides 12.5 mS of transconductance with a plate resistance of about 2.5 kΩ. | With 15 mA of plate current, 90 V plate-to-cathode voltage, and −1.3 V grid-to-cathode, the 6DJ8 provides 12.5 mS of transconductance with a plate resistance of about 2.5 kΩ. | ||
Revision as of 00:46, 29 September 2023
The 6DJ8 (European: ECC88) (Russian: 6Н23П) (P/N 154-0187-00,154-0305-00) is a dual triode vacuum tube with a 6.3 V, 365 mA heater and a B9A (Noval) miniature 9-pin base.
The high-reliability version is the 6922 aka E88CC (6.3 V, 300 mA heater) or 8416 (12.6 V, 180 mA heater).
With 15 mA of plate current, 90 V plate-to-cathode voltage, and −1.3 V grid-to-cathode, the 6DJ8 provides 12.5 mS of transconductance with a plate resistance of about 2.5 kΩ.
The 6DJ8 and its variants are used extensively in many Tektronix instruments of the tube era.
As of 2023, 6DJ8 tubes are still manufactured and used, and new old stock (NOS) 6DJ8s can also be obtained easily. However, the 6DJ8 is sought after by some in the tube audio community, leading to exaggerated prices and occasional cannibalism of classic Tek gear.
Tek part numbers:
- 154-0187-00 = 6DJ8/ECC88
- 154-0195-00 = 6922/E88CC
- 154-0305-00 = 6DJ8/ECC88
- 154-0371-00 = 6922/E88CC
- 154-0413-00 = 8416 (12.6 V)
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 1121 (V424) | 157-0060-00 | All |
| 519 (V184,V194) | 157-0060-00 | All |
| 503 (V334,V434) | 157-0066-00 | To-6977 |
| 63, 2A63 (V334,V434) | 157-0066-00 | To-7659 |
| 3A8 | 157-0116-00 (8416) | All |
| 2A63 | 157-0120-00 | 7660-Up |
| 547 (V24, V224) | 157-0122-00 | 6240-7979 |
| 544, 546, 556 547 (V24, V224) |
157-0125-00 | N/A 7980-Up |
Reference:
Links
Data sheet
-
6DJ8 Datasheet
Used in
Some instruments using part 6DJ8
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 067-506 | Tektronix | Signal generator | 067-506 | Constant-amplitude signal generator | (?) |
| 111 | Tektronix | Pulse generator | 111 | Pretrigger Pulse Generator | 1960 |
| 1121 | Tektronix | Amplifier | 1121 | 5 Hz − 17 MHz amplifier | 1960 |
| 132 | Tektronix | Power supply | 132 | Module power supply | 1961 |
| 161 | Tektronix | Plug-in | 161 | Pulse Generator Module | 1952 |
| 1A4 | Tektronix | Plug-in | 1A4 | 50 MHz quad input amplifier plugin | 1967 |
| 1S1 | Tektronix | Plug-in | 1S1 | 1 GHz sampling system | 1965 |
| 2A60 | Tektronix | Plug-in | 2A60 | 1 MHz amplifier plug-in | 1962 |
| 2A63 | Tektronix | Plug-in | 2A63 | 300 kHz differential amplifier plug-in | 1962 |
| 2B67 | Tektronix | Plug-in | 2B67 | Time base plug-in | 1962 |
| 310A | Tektronix | Oscilloscope | 310A | 4 MHz oscilloscope | 1959 |
| 316 | Tektronix | Oscilloscope | 316 | 10 MHz 3" tube scope | 1959 |
| 317 | Tektronix | Oscilloscope | 317 | 10 MHz 3" tube scope | 1959 |
| 3A1 | Tektronix | Plug-in | 3A1 | 10 MHz dual-trace amplifier plug-in | 1962 |
| 3A1S | Tektronix | Plug-in | 3A1S | 25 MHz vertical sampling amplifier plug-in | 1961 |
| 3A2 | Tektronix | Plug-in | 3A2 | 500 kHz dual-trace amplifier plug-in | 1964 |
| 3A3 | Tektronix | Plug-in | 3A3 | dual differential amplifier plug-in | 1964 |
| 3A6 | Tektronix | Plug-in | 3A6 | 10 MHz dual-trace plug-in | 1966 |
| 3A7 | Tektronix | Plug-in | 3A7 | Differential amplifier plug-in | 1965 |
| 3A72 | Tektronix | Plug-in | 3A72 | Dual channel amplifier plug-in | 1961 |
| 3A75 | Tektronix | Plug-in | 3A75 | 4 MHz amplifier plugin | 1964 |
| 3B1 | Tektronix | Plug-in | 3B1 | 10 MHz time base plug-in | 1962 |
| 3B1S | Tektronix | Plug-in | 3B1S | Sampling time base plug-in | 1961 |
| 3B2 | Tektronix | Plug-in | 3B2 | Delaying timebase plug-in | 1963 |
| 3B3 | Tektronix | Plug-in | 3B3 | Time Base plug-in | 1962 |
| 3B4 | Tektronix | Plug-in | 3B4 | Timebase plug-in | 1964 |
| 3S76 | Tektronix | Plug-in | 3S76 | Dual Channel Sampling plug-in | 1962 |
| 3T77 | Tektronix | Plug-in | 3T77 | Sampling sweep plug-in | 1962 |
| 3T77A | Tektronix | Plug-in | 3T77A | Sampling sweep plug-in | 1966 |
| 4S2 | Tektronix | Plug-in | 4S2 | Dual channel sampling plugin | 1962 |
| 502 | Tektronix | Oscilloscope | 502 | 1 MHz dual beam differential scope | 1958 |
| 502A | Tektronix | Oscilloscope | 502A | 1 MHz dual beam differential scope | 1963 |
| 503 | Tektronix | Oscilloscope | 503 | 450 kHz differential-input scope | 1960 |
| 504 | Tektronix | Oscilloscope | 504 | 450 kHz scope | 1960 |
| 506 | Tektronix | Oscilloscope | 506 | 20 MHz scope | 1964 |
| 51 | Tektronix | Plug-in | 51 | Sweep plug-in | 1961 |
| 515 | Tektronix | Oscilloscope | 515 | 15 MHz Tube scope | 1955 |
| 516 | Tektronix | Oscilloscope | 516 | 15 MHz dual-trace scope | 1960 |
| 519 | Tektronix | Oscilloscope | 519 | 1 GHz tube scope | 1961 |
| 526 | Tektronix | Audio/Video | 526 | NTSC Vectorscope | 1959 |
| 529 | Tektronix | Audio/Video | 529 | TV Waveform Monitor | 1965 |
| 533 | Tektronix | Oscilloscope | 533 | 15 MHz oscilloscope | 1958 |
| 535 | Tektronix | Oscilloscope | 535 | 10 (15) MHz dual-timebase scope | 1954 |
| 536 | Tektronix | Oscilloscope | 536 | 11 MHz X–Y oscilloscope | 1957 |
| 543 | Tektronix | Oscilloscope | 543 | 30 MHz oscilloscope | 1958 |
| 544 | Tektronix | Oscilloscope | 544 | 50 MHz oscilloscope | 1964 |
| 545 | Tektronix | Oscilloscope | 545 | 30 (33) MHz oscilloscope | 1955 |
| 545A | Tektronix | Oscilloscope | 545A | 30 (33) MHz oscilloscope | 1959 |
| 545B | Tektronix | Oscilloscope | 545B | 30 (33) MHz oscilloscope | 1964 |
| 546 | Tektronix | Oscilloscope | 546 | 50 MHz oscilloscope | 1964 |
| 547 | Tektronix | Oscilloscope | 547 | 50 MHz oscilloscope | 1964 |
| 549 | Tektronix | Oscilloscope | 549 | 30 MHz storage oscilloscope | 1965 |
| 555 | Tektronix | Oscilloscope | 555 | Dual beam 30 MHz scope | 1959 |
| 556 | Tektronix | Oscilloscope | 556 | 50 MHz dual beam scope | 1966 |
| 561A | Tektronix | Oscilloscope | 561A | 10(4) MHz "General Purpose Scope" | 1962 |
| 564 | Tektronix | Oscilloscope | 564 | Split-Screen Storage Scope | 1962 |
| 565 | Tektronix | Oscilloscope | 565 | 10 MHz dual-beam scope | 1962 |
| 567 | Tektronix | Oscilloscope | 567 | Sampling scope | 1962 |
| 581 | Tektronix | Oscilloscope | 581 | 100 (95) MHz oscilloscope | 1959 |
| 581A | Tektronix | Oscilloscope | 581A | 85 MHz oscilloscope | 1963 |
| 585 | Tektronix | Oscilloscope | 585 | 100 (95) MHz oscilloscope | 1959 |
| 585A | Tektronix | Oscilloscope | 585 | 85 MHz oscilloscope | 1963 |
| 60 | Tektronix | Plug-in | 60 | 1 MHz amplifier Plug-in | 1961 |
| 63 | Tektronix | Plug-in | 63 | 300 kHz differential amplifier plug-in | 1961 |
| 661 | Tektronix | Oscilloscope | 661 | Sampling scope | 1961 |
| 67 | Tektronix | Plug-in | Type 67 | Timebase plug-in | 1961 |
| 75 | Tektronix | Plug-in | 75 | 4 MHz amplifier plug-in | 1961 |
| 80 | Tektronix | Plug-in | 80 | vertical amplifier | 1959 |
| 81 | Tektronix | Plug-in | Type 81 | plug-in adapter | 1960 |
| 82 | Tektronix | Plug-in | 82 | 85 MHz dual-trace amplifier | 1962 |
| 86 | Tektronix | Plug-in | 86 | vertical amplifier | 1963 |
| 9A1 | Tektronix | Plug-in | Type 9A1 | 24 MHz dual trace amplifier plug-in | 1964 |
| 9A2 | Tektronix | Plug-in | Type 9A2 | 23 MHz amplifier plug-in | 1964 |
| B | Tektronix | Plug-in | Type B | 20 MHz amplifier plug-in | 1954 |
| O | Tektronix | Plug-in | Type O | Dual opamp plugin | 1962 |
| S-311 | Tektronix | Plug-in | S-311 | Programmable dual-trace sampling plug-in | 1965 |
| Telequipment D52 | Telequipment | Oscilloscope | D52 | 6 MHz dual-beam scope | 1968 |
| Telequipment D56 | Telequipment | Oscilloscope | D56 | 15 MHz 2-ch scope | (?) |
| Telequipment S51 | Telequipment | Oscilloscope | S51 | 3 MHz tube scope | (?) |
| Telequipment S52 | Telequipment | Oscilloscope | S52 | 3 MHz dual-channel scope | 1968 |
| Telequipment TD51 | Telequipment | Plug-in | TD51 | Timebase plug-in | (?) |
| Telequipment Type A | Telequipment | Plug-in | Type A | Telequipment Tube Oscilloscope Plugin Type A | (?) |
| TU-4 | Tektronix | Plug-in | TU-4 | 560 Series test load plug-in | 1961 |
| W | Tektronix | Plug-in | Type W | 8-23 MHz differential comparator | 1965 |
| Z | Tektronix | Plug-in | Type Z | Comparator preamp plug-in | 1960 |
Pictures
-
585 Delay Line Driver Distributed Amplifier in Operation − Seven 6DJ8 Differential Stages
-
6DJ8 Bugle Boy from a 535
-
Amperex 6DJ8s
