EL95
The EL95 is an electron tube in the form of a pentode with a miniature base ( pressed glass ). It was developed in 1956 by the Philips Valvo group primarily as a low-frequency end pentode for use in audio amplifiers. In the typing code of the former American Radio Electronics Television Manufacturers Association (RETMA, today JEDEC ) it has the designation 6DL5 . The EL95 / 6DL5 is still manufactured in some countries today.
General
| Surname | EL95 |
| Anode voltage in volts | 250 |
| Anode current in mA | 25th |
| Speech power in watts | 3 |
| External resistance in ohms | 8000 |
| Speaker impedance in ohms | 5 |
| Lower frequency in Hz | 50 |
| Secondary turns | 194 Wdg |
As a single-ended amplifier , the EL95 achieves 3 W in A mode and as a push-pull amplifier (2 tubes in AB mode) 9.6 W output power. The anode voltage required for this is 220 V to 250 V, the anode current is approximately 25 mA . It requires a heating voltage of 6.3 V to a maximum of 7 V.
The EL95 is the successor to the EL42 end pentode constructed in 1947, which could provide less power and still had the impractical rim lock socket (B8A).
Compared to other tubes, the EL95 is rather small: It has a height of 60.3 mm and a diameter of 19 mm. Despite the high material loads during operation, the EL95 is one of the longest-lasting power amplifier tubes.
use
The EL95 was used in tube radios such as Graetz Fantasia 622, Blaupunkt Riviera 2540 and Nordmende Fidelio 59 630 in AB operation in the late 1950s . From 1960 it was used for the first time in stereo mode in devices such as the Graetz Fantasia 822, Blaupunkt Riviera 2643 and Saba Freudenstadt 11 . The 6DL5 was also used in tube amplifiers or receivers such as the Telefunken Opus 2430.
Individual evidence
- ↑ Ernst Erb (HB9RXQ): EL 95, tube EL95; Tube EL 95 ID424, Beam Power Tube. Retrieved June 13, 2017 .
- ↑ Joachim (Jogi) Gittel: Jogis Roehrenbude - tube radios, tube amplifiers and much more. Retrieved June 13, 2017 .
- ↑ Joachim (Jogi) Gittel: Jogis Roehrenbude - tube radios, tube amplifiers and much more. Retrieved June 13, 2017 .