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6BM8 Schematic ( PDF Datasheet ) - Svetlana

Teilenummer 6BM8
Beschreibung Triode and Pentode
Hersteller Svetlana
Logo Svetlana Logo 




Gesamt 2 Seiten
6BM8 Datasheet, Funktion
Svetlana 6BM8
High Performance Audio
Dual Package, Triode and Pentode
T he Svetlana6BM8 is a single glass envelope containing both a power pentode and triode.
It has a pentode plate dissipation rating of 7 Watts with convection cooling. A single 6BM8
may be used as an economical low power mono block amplifier or a pair of 6BM8's, in ultra
linear configuration are an excellent choice for more power. The 6BM8 is also a great choice as a
driver for higher power tubes, such as the Svetlana SV811 and SV572 series triodes. It has an
indirectly-heated oxide cathode, which may be DC operated for the absolute best hum/noise
performance.
Close manufacturing specification tolerances and improved processing provide enhanced reliability
and superior sonic performance. The high sensitivity of Svetlana 6BM8's is an economical method
to achieve high quality sound with a minimum of components.
The Svetlana 6BM8 is manufactured in the Svetlana factory in Russia, and is designed to be a
direct replacement for any 6BM8 or ECL82.
General Characteristics
Electrical
Heater:
Voltage (AC or DC)
Min.
5.7
Current
Cathode:
Cathode-to-heater potential, max.
Direct interelectrode capacitances, max.*
Grid no. 1 to cathode
Plate to cathode
Grid no.1 to plate
Mechanical
Operating Position
Base
Socket
Basing diagram
Maximum dimensions:
Height
Seated height
Diameter
Cooling
Approximate net weight
*Without external shielding, nominal values
Nom. Max.
6.3 6.9 V
0.78 A
Oxide-coated, unipotential
100 V
Triode Pentode
2.7 9.3 pF
4 8 pF
4 0.3 pF
Any
9-pin miniature
Svetlana SK-9A or similiar
JEDEC 9EX
78 mm (3.07 in.)
71 mm (2.80 in.)
22.2 mm (0.87 in.)
Convection
20 g (0.7 oz.)
Maximum Ratings
Triode
DC plate voltage
300
Cathode current
15
Grid no.2 voltage
Plate resistance
Plate dissipation
1
**Maximum peak positive pulse voltage 2500V
Pentode
600** V
50 mA
300 V
20,000 Ohms
7W
AF Power Amplifier
Average ratings
DC plate voltage
Grid no.2 DC (screen) voltage
Grid no.1 (control) voltage
DC plate current
Grid no.2 DC (screen) current
Amplification Factor
Transconductance
Plate load
Output power
Triode
300
-1.3
1.1
70
2500
150,000 Ohms
Outline Drawing
6BM8 Triode and Pentode
22.2 mm
Svetlana 71 mm
6BM8
Made in Russia
7 mm
Pentode
300 V
200 V
-24 V
40 mA
8 mA
9.5 µ
6400 µS
7000 Ohms
1.8 W
Svetlana
ELECTRON DEVICES
Headquarters:
8200 South Memorial Parkway
Huntsville, AL 35802
USA
Phone
205 882 1344
FAX 205 880 8077
www.svetlana.com
Bottom View
9-pin Miniature Base Connections
Marketing & Engineering:
3000 Alpine Road
Portola Valley, CA 94028
USA
Phone
415 233 0429
FAX 415 233 0439
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