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  • TJ Fullmusic PX4/n Data Sheet

    Classification- Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode.

    Application -Audio frequency amplifier where power outputs of approximately 4.5watts or less is required at relatively low plate voltages.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    PX4_01_en

    Nominal operating conditions and parameters
    Filament voltage* ……………………………………………………………… 4V
    Nominal filament current ……………………………………………………… 1A
    Plate voltage ………………………………………………………………… 300V
    Grid voltage** ……………………………………………………………… -45V
    Plate current ………………………………………………………………… 50mA
    Impedance ………………………………………………………………… 830 ohms
    Amplification factor …………………………………………………………… 5.0
    Mutual Conductance ……………………………………………………… 6.0mA/V
    Grid current ………………………………………………………………… 0.05 μ A

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    PX4_02Fig. 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage ………………………………………………… 300 volts
    Maximum plate dissipation …………………………………………… 15 watts

     

     

  • TJ Fullmusic 845 Data Sheet

    Classification- Dome-type bulb of glass, filametary of carbennation Th-w a Copper ceramic base with four-prong bayonet golden pins, carbon plate triode.

    Application -Audio power amplifier Class A1 or Class AB1.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    845_01

     

    845

    Fig. 1                                                                                                                                              Fig. 2

    Nominal operating conditions and parameters
    Filament voltage* …………………………………………………………… 10V
    Nominal filament current …………………………………………………… 3.2A
    Plate voltage ………………………………………………………………… 1250V
    Grid voltage** ……………………………………………………………… -200V
    Plate current ………………………………………………………………… 80mA
    Plate resistance ………………………………………………………………1.7kohms
    Amplification factor …………………………………………………………… 5.0
    Load resistance ……………………………………………………………… 3.4 kohms
    Signal voltage(pk) ………………………………………………………… …69.0V
    Output power ………………………………………………………………… 15W
    Grid to plate transconductance………………………………………………3.0mA / V

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Suggest Operating conditions and parameters
    Class A1 power amplifier of single tube

    Plate voltage
    1000
    1000
    1250
    V
    Grid voltage
    -145
    -155
    -209
    V
    Load resistance
    6
    9
    16
    kohms
    Plate current
    90
    65
    52
    mA
    Signal voltage(pk)
    110
    145
    V
    Plate resistance
    1.7
    1.9
    2.1
    kohms
    Output power
    24
    21
    24
    W

    Lass AB1 power amplifier of push-pull

    Plate voltage
    800
    1000
    1000
    1250
    V
    Grid voltage
    -125
    -170
    -175
    -225
    V
    Load resistance
    45
    46
    46
    66
    kohms
    Plate current
    80
    70
    40
    40
    mA
    Signal voltage(pk)
    177
    240
    V
    Plate current (max. sig,)
    177
    240
    V
    Output power
    40
    75
    75
    75
    W

    Characteristics-Average characteristics

    Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    845_02

    Fig. 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage ………………………………………………… 1250 volts
    Maximum plate dissipation …………………………………………… 75 watts
    Maximum plate current …………………………………………………120mA
    Maximum input powe of signal ………………………………………… 150 watts

     

  • TJ Fullmusic 45/n Data Sheet

    Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode.

    Application -Audio frequency amplifier where power outputs of approximately 1.6 watts.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    45_01_en

    Nominal operating conditions and parameters
    Filament voltage* …………………………………………………………… 2.5V
    Nominal filament current …………………………………………………… 1.5A
    Plate voltage ………………………………………………………………… 250V
    Grid voltage** ……………………………………………………………… …-50V
    Plate current ………………………………………………………………… 34mA
    Amplification factor …………………………………………………………… 3.5
    Load resistance ……………………………………………………………… 3900 ohms
    Grid Current ………………………………………………………… …………0.05 μ A

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    45_02Fig. 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage …………………………………………………… 275 volts
    Maximum plate current …………………………………………………… 10 watts

     

  • TJ Fullmusic 300B+ Data Sheet

    Classification- Dome-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, carbon plate triode.

    Application -Audio frequency amplifier where power outputs of approximately 22.5watts or less is required at relatively low plate voltages.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, 2.

    300B+_01_en

    300B+

    Nominal operating conditions and parameters
    Filament voltage* ………………………………………………………… 5V
    Nominal filament current …………………………………………… …… 2.4A
    Plate voltage ………………………………………………………………… 400V
    Grid voltage** ……………………………………………………………… -70V
    Plate current ………………………………………………………………… 120mA
    Amplification factor …………………………………………………………… 3.85
    Grid to plate transconductance …………………………………………… 8.5mA / V
    Grid current ………………………………………………………………… 0.05 μ A
    Plate resistance ………………………………………………………… …450 ohms
    Load resistance …………………………………………………………… 2.0 kohms

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    300B+_02Fig. 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage ………………………………………………… 450 volts
    Maximum plate dissipation …………………………………………… 80 watts

     

  • TJ Fullmusic 300B Data Sheet

    Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, solid plate or mesh or carbon plate triode.

    Application -Audio frequency amplifier where power outputs of approximately 8.5watts or less is required at relatively low plate voltages.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, 2 and 3.

    300B_01_en

     

    Nominal operating conditions and parameters
    Filament voltage* …………………………………………………………… 5V or 2.5V
    Nominal filament current …………………………………………………… 1.2A or 2.4A
    Plate voltage ………………………………………………………………… 300V
    Grid voltage** ……………………………………………………………… -58V
    Plate current ………………………………………………………………… 60mA
    Amplification factor …………………………………………………………… 3.85
    Grid to plate transconductance …………………………………………… 5.7mA / V
    Grid current ………………………………………………………………… 0.05 μ A
    Plate resistance …………………………………………………………… 700 ohms

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 4. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    300B_02

    Fig. 4

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage ………………………………………………… 450 volts
    Maximum plate dissipation …………………………………………… 40 watts
    Maximum plate current of average tube for fixed gird bias ………… 70mA
    Maximum plate current of manually adjusted gird or self-biasing circuit……………………………… 100mA

     

  • TJ Fullmusic 274 A/B + Data Sheet

    Classification- Dome-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate twin diode.

    Application -It is designed to supply direct current up to 200 miliamperes from an alternating current soure.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    274B_A_+_01_en

    274B +

    Nominal operating conditions and parameters
    Filament voltage* ………………………………………………………… 5.0V
    Nominal filament current ………………………………………………… 4A

    Choke-Input filter
    RiM-S Alternating voltage prelate ………………………………………… 550V
    Tolal rectified current ……………………………………………………… 140mA

    Condenser-Input Filter
    RiM-S Alternating voltage prelate ………………………………………… 450V
    Tolal rectified current ……………………………………………………… 120mA

    *Alternating-current filament supply or Direct-current filament supply.

    Characteristics-Average characteristics
    The current-voltage characteristic of a single diode untie of the 274A /B/+tube is shown in Figure 3. Direct-voltage output characteristics are given in Figures 4 and 5. The characteristics of Figure 4 are for a choke-input filter such as is shown in circuit A and those of Figure 6 are for a condenser-input filter such as is shown in circuit B.

    274B_A_+_02_en

    Limiting Operation Conditions for Safe Nor simultaneous ratings

    Choke-input filter:
    1 Max. R-M-S alternating Voltage per plate ………………………… 550 volts
    1 Max Total Rectified Current ………………………………………… 250 mA
    2 Max. R-M-S Alternating Voltage per plate ………………………… 660V
    2 Max. Total Rectified Current ………………………………………… 200mA

    Condenser-input Filter:
    1 Max.R-M-S Alternating Voltage per plate ………………………… 450V
    1 Max. Total Rectified Current ………………………………………… 200mA

    *4uF.Maximum filter input capacitance

  • TJ Fullmusic 274 A/B Data Sheet

    Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, Solid plate or mesh plate twin diode.

    Application -It is designed to supply direct current up to 112 miliamperes from an alternating current soure.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, 2 and 3.

    274_01_en

    Nominal operating conditions and parameters
    Filament voltage* ………………………………………………………… 5.0V
    Nominal filament current ………………………………………………… 2A

    Choke-Input filter
    RiM-S Alternating voltage prelate ………………………………………… 550V
    Tolal rectified current ……………………………………………………… 112mA

    Condenser-Input Filter
    RiM-S Alternating voltage prelate ………………………………………… 450V
    Tolal rectified current ……………………………………………………… 98mA

    *Alternating-current filament supply or Direct-current filament supply.

    Characteristics-Average characteristics
    The current-voltage characteristic of a single diode untie of the 274A /B tube is shown in Figure 4. Direct-voltage output characteristics are given in Figures 5 and 6. The characteristics of figure 5 are for a choke-input filter such as is shown in circuit A and those of Figure 7 are for a condenser-input filter such as is shown in circuit B.

    274_02_en

    Limiting Operation Conditions for Safe Nor simultaneous ratings

    Choke-input filter:
    1 Max. R-M-S alternating Voltage per plate ………………………… 550 volts
    1 Max Total Rectified Current ………………………………………… 140 mA
    2 Max. R-M-S Alternating Voltage per plate ………………………… 660V
    2 Max. Total Rectified Current ………………………………………… 120mA

    Condenser-input Filter:
    1 Max.R-M-S Alternating Voltage per plate ………………………… 450V
    1 Max. Total Rectified Current ………………………………………… 105mA

    *4uF.Maximum filter input capacitance

  • TJ Fullmusic 211 Data Sheet

    Classification- Dome-type bulb of glass, filametary of carbennation Th-w a copper ceramic base with four-prong bayonet golden pins, carbon plate triode.

    Application -Audio power amplifier Class A or Class B or Class C.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    211_01

    211_02

    Fig 1                                                                                                            Fig 2

    Nominal operating conditions and parameters
    Filament voltage …………………………………………………………… 10V
    Nominal filament current …………………………………………………… 3.2A
    Plate voltage ………………………………………………………………… 1250V
    Grid voltage ………………………………………………………………… -70V
    Plate current …………………………………………………………………100mA
    Amplification factor ……………………………………………………………12
    Load resistance ……………………………………………………………… 7 kohms
    Output power ………………………………………………………………… 10W
    Grid to plate transconductance …………………………………………… 3.8mA / V

    Suggest Operating conditions and parameters
    Class A power amplifier of single tube (A-F)

    Plate voltage
    750
    1000
    1250
    V
    Grid voltage
    -46
    -61
    -80
    V
    Load resistance
    8.8
    7.6
    9.2
    kohms
    Plate current
    34
    53
    60
    mA
    Signal voltage(pk)
    41
    56
    75
    V
    Plate resistance
    4.4
    3.8
    3.6
    kohms
    Output power
    5.6
    12
    19.7
    W

    Class B power amplifier of push-pull (A-F)

    Plate voltage
    1000
    1250
    V
    Grid voltage
    -72
    -95
    V
    Load resistance
    6.9
    9
    kohms
    Plate current(0 single)
    20
    20
    mA
    Plate current(max single)
    320
    320
    mA
    Signal Voltage(pk)
    380
    410
    V
    Output power
    200
    260
    W

    Class B power amplifier of single tube(modulate coefficient shall be 1) (R-F)

    Plate voltage
    1000
    1250
    V
    Grid voltage
    -72
    -95
    V
    Plate current
    130
    106
    mA
    Signal Voltage(pk)
    125
    125
    V
    Output power
    40
    42
    W
    Grid current(approx)
    5
    1
    mA
    Grid power(input)(approx)
    10
    7.5
    W

    Class C power amplifier of single trbe(max modulate coefficient shall be 1)

    Plate voltage
    750
    1000
    V
    Grid voltage
    -200
    -260
    V
    Plate current
    150
    150
    mA
    Signal Voltage(pk)
    350
    410
    V
    Output power
    65
    100
    W
    Grid current (approx)
    35
    35
    mA
    Grid power (input)(approx)
    12
    14
    W

    Characteristics-Average characteristics
    Figure 3. Shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    211_03Fig. 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings

    Class
    ClassA(A-F)
    A push-pull Class B(A-F)
    Class B(R-F)
    Class C
    Maximum plate voltage
    1250
    1250
    1250
    1000
    V
    Maximum plate dissipation
    75
    100
    100
    67
    W
    maximum plate current (max sig. Per tube)
    175
    150
    175
    mA
    maximum Grid current
    50
    mA
    maximum plate dissipation(in)
    175
    W
    max Grid voltage
    -400
    V

  • TJ Fullmusic 205D Data Sheet

    Classification- Globe-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, solid plate or mesh plate triode.

    Application -Audio amplifier Class A Service, Radio Amplifier Class B Service. Oscillater Class C Service.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1 and 2.

    205D_01_en

    Nominal operating conditions and parameters
    Filament voltage* ………………………………………………………… 4.5V
    Nominal filament current …………………………………………… …… 1.2A
    Plate voltage ………………………………………………………………… 300V
    Grid voltage** ……………………………………………………………… -24V
    Plate current ………………………………………………………………… 15mA
    Amplification factor …………………………………………………………… 7.3
    Grid current ………………………………………………………………… 0.05 μ A
    Plate resistance …………………………………………………………… 5.0 kohms

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    205D_02

    Fig 3

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage ………………………………………………… 400 volts
    Maximum plate dissipation …………………………………………… 14 watts
    Maximum plate current ………………………………………………… 50mA

  • TJ Fullmusic 2A3/n Data Sheet

    Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode.

    Application -Audio frequency amplifier where power outputs of approximately 3.5 watts or less is required at relatively low plate voltages.

    Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, 2 and 3.

    2A3_01_en

     

    Nominal operating conditions and parameters
    Filament voltage* …………………………………………………………… 2.5V
    Nominal filament current …………………………………………………… 2.5A
    Plate voltage ………………………………………………………………… 250V
    Grid voltage** ……………………………………………………………… -45V
    Plate current ………………………………………………………………… 60mA
    Plate current ………………………………………………………………… 62.5mA
    Amplification factor …………………………………………………………… 4.2
    Grid to plate transconductance …………………………………………… 5.25mA / V
    Grid Current ………………………………………………………………… 0.05 μA
    Plate resistance …………………………………………………… ………800 ohms
    Load resistance …………………………………………………………… 2.5kohms

    *Alternating-current filament supply or Direct-current filament supply.
    **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer.
    Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament.

    Characteristics-Average characteristics
    Figure 4. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

    2A3_02Fig. 4

    Limiting Operation Conditions for Safe Nor simultaneous ratings
    Maximum plate voltage …………………………………………………… 300 volts
    Maximum plate dissipation …………………………………………………… 15 watts