手持ちの真空管のデータを纏めてみました。
電池管とヒーター電力の小さい傍熱管です。
1R5 RCA
1R5 RCA
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 90V Grids #2 and #4 Voltage 67.5V Grids #2 and #4 Supply Voltage 90V Cathode Current(Zero Signal) 5.5mA Positive DC Grid #3 Voltage 0V Conversion Transconductance 280μMHOS /Plate=67.5V、Grid#2、#4=67.5V、Grid#3=0V Oscillator Transconductunce 1400μMHOS
1S5 RCA
1S5 SYLVANIA
1S5 RAYTHEON
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 90V Screen Voltage 90V Positive DC Grid #1 Voltage 0V Negative DC Grid #1 Voltage −50V Cathode Current 3mA Diode Current for Continuous Operation 0.25mA Transconductance 625μMHOS /Ep=67.5V、Esg=67.5V、Ecg=0V、Ip=1.6mA、Isg=0.4mA
1T4 東芝
1T4 RT
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 90V Screen Voltage 90V Positive DC Grid #1 Voltage 0V Cathode Current 5.5mA Transconductance 700μMHOS /Ep=45V、Esg=45V、Ip=1.7mA、Isg=0.7mA Transconductance 875μMHOS /Ep=67.5V、Esg=67.5V、Ip=3.4mA、Isg=1.5mA
1T4−SF 日立
Ef=1.4V If=25mA MAXIMUM RATINGS Plate Voltage 90V Grids #2 Voltage 67.5V Grids #2 Supply Voltage 90V Positive DC Grid #1 Voltage 0V Cathode Current 3.5mA Transconductance 350μMHOS /Ep=90V、Esg=67.5V、Ecg=0V、Ip=2.4mA、Isg=0.9mA
1U4 Mullard
1U4 GAMMA−TRON
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 110V Grids #2 Voltage 110V Positive DC Grid #1 Voltage 0V Cathode Current 6mA Transconductance 900μMHOS /Ep=90V、Esg=90V、Ecg=−4V、Ip=1.6mA、Isg=0.5mA
3C4 松下
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 90V Screen Voltage 90V Cathode Current 2×3.1mA Transconductance 1250μMHOS /Ep=64、Esg=64V、Ecg=−3.3V、Ip=3.5mA、Isg=0.75mA RP=125KΩ、RL=15KΩ
3S4 PHILIPS
3S4 CBS
Ef=2.8V If=50mA Ef=1.4V If=100mA MAXIMUM RATINGS Plate Voltage 90V Screen Voltage 67.5V Cathode Current(Zero Signal)*1 6mA Cathode Current(Zero Signal)*2 12mA *1:Series Filament *2:Parallel Filament Transconductance 1400μMHOS /Ep=67.5V、Esg=67.5V、Ecg=−7V、Ip=6mA、Isg=1.2mA RL=5KΩ
3Y4 MATSUSHITA
Ef=2.8V If=25mA
Ef=1.4V If=50mA
* 定格、動作例を見つけることは出来ませんでした。
3S4を差し替えて問題ありませんでした。
ヒーター電流は半減しました。
3A5 RCA
CV808 Mullard
Ef=2.8V If=110mA Ef=1.4V If=220mA MAXIMUM RATINGS Plate Voltage 135V Plate Current 5mA Plate Dissipation 0.5W Transconductance 1800μMHOS Amplification Factor 15 /Ep=90V、Eg=−2V、Ip=3.7mA、Rp=8300Ω
1A2 北京電子管
Ef=1.2V If=30mA (0.9V〜1.4V) 定格、動作例は見つかりませんでした。 1R5に差し替え可能との事ですがヒーター電圧、電流が小さい。
1B2 北京電子管
Ef=1.2V If=30mA (0.9V〜1.4V) 最大定格 プレート電圧 90V スクリーングリッド電圧 75V プレート電源電圧 250V スクリーングリッド電源電圧 250V カソード電流 2mA プレート損失 0.15W (1S5類似)
1K2 北京電子管
Ef=1.2V If=30mA (0.9V〜1.4V) 最大定格 プレート電圧 90V スクリーングリッド電圧 75V プレート電源電圧 250V スクリーングリッド電源電圧 250V カソード電流 3.5mA プレート損失 0.3W (1T4類似)
2P2 北京電子管
Ef=2.4V If=30mA (1.8V〜2.8V) Ef=1.2V If=60mA (0.9V〜1.4V) 最大定格 プレート電圧 90V スクリーングリッド電圧 90V プレート電源電圧 250V スクリーングリッド電源電圧 250V カソード電流 7mA カソード電流(ピーク) 10mA プレート損失 0.4W (3S4類似)
6AB4 INTERNATIONAL
6AB4 Silverstone
6AB4 GENERAL ELECTRIC
Ef=6.3V If=150mA MAXIMUM RATINGS Heater−Cathode Voltage 90V Plate Voltage 300V Negative DC Grid Voltage −50V Plate Dissipation 2.5W Transconductance 4000μMHOS /Plate Voltage 100V、Cathode R=270Ω、IP=3.7mA、 Plate R=15KΩ、μ=60、Grid Voltage −5V(ib=10uA)
6AB8 NATIONAL ELECTRONICS
6AB8 CEI electron
6AB8 松下
6AB8 SYLVANIA
Ef=6.3V If=300mA MAXIMUM RATINGS(5極部) Plate Voltage 250V Screen Voltage 250V Plate Dissipation 3.5W Cathode Current 25mA Grid CirCuit Resistance(cathode bias) 2MegΩ Grid CirCuit Resistance(fifed bias) 1MegΩ Voltage between Cathode and heater 250V Resistance between Cathode and heater Max20KΩ MAXIMUM RATINGS(3極部) Plate Voltage 200V Plate Dissipation 1W Cathode Current 8mA Grid CirCuit Resistance(cathode bias) 3MegΩ Grid CirCuit Resistance(fifed bias) 1MegΩ Voltage between Cathode and heater 150V Resistance between Cathode and heater Max20KΩ Transconductance(5極部) 3300μMHOS /Plate Voltage 170V、 VG3 0V、 VG2 170V、 VG1 −6.7V IP 15mA、IG2 2.8mA RP 0.15MΩ、 RL11K Transconductance(3極部) 1900μMHOS /Plate Voltage 100V、 VG 0V IP 7.5mA、
6AJ5 TUNG−SOL
6AJ5 AMC
Ef=6.3V If=175mA MAXIMUM RATINGS Plate Voltage 180V Screen Supply Voltage 180V Screen Voltage 140V Plate Dissipation 1.7W Screen Dissipation 0.5W Heater−Cathode Voltage 90V Grid#1 Positive Voltage 0V Cathode Current 18mA Transconductance 2500μMHOS /Ep=28V、Eg2=28V、Eg1=−1V、Ip=2.7mA、Ig2=1mA
6AK5 ZENITH
6AK5 RCA
5654 SYLVANIA
5654 MOTOROLA
6AK5 TEN
6AK5 ROGERS
5654W GENERAL ELECTRIC
Ef=6.3V If=175mA MAXIMUM RATINGS Plate Voltage 180V Screen Supply Voltage 180V Plate Dissipation 1.7W Screen Dissipation 0.5W Heater−Cathode Voltage 120V Grid#1 Positive Voltage 0V Cathode Current 18mA Transconductance 5000μMHOS /Ep=120V、Eg2=120V、Rk=180Ω、Rp=0.3MΩ Ip=7.5mA、Ig2=2.5mA
6AK6 TEN
6AK6 CIFTE
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 300V Screen Voltage 250V Plate Dissipation 2.75W Screen Dissipation 0.75W DC Heater−Cathode Voltage 100V Transconductance 2300μMHOS /Ep=180V、Eg2=180V、Eg1=−9V、Ip=15mA、Ig2=2.5mA Rg1≦100K(FIXED BIAS)、Rg1≦500K(FIXED BIAS) RL=10K
6AQ6 Amperex
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 300V Heater−Cathode Voltage 90V Grid#1 Positive Voltage 0V Diode Operation Current per Plate 0.9mA Transconductance 1150μMHOS /Ep=100V、Eg1=−1V、Rp=61K、Ip=0.8mA、
6BH6 TEN
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 300V Screen Voltage 150V Screen Supply Voltage 300V Negative DC Vg1 50V Positive DC Vg1 0V Heater−Cathode Voltage 90V Plate Dissipation 3W Screen Dissipation 0.5W Transconductance 3400μMHOS /Ep=100V、Eg2=100V、Eg1=−1V、Ip=3.6mA、Ig2=1.4mA
6BJ6 NEC
6BJ6 SYLVANIA
6BJ6 RAYTHEON
6BJ6 RAYTHEON
6BJ6 TUNG−SOL 
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 300V Screen Voltage(Screen Dissipation 0.6W) 150V Screen Voltage(Screen Dissipation 0W) 300V Screen Supply Voltage 300V Max Negative DC Vg1 50V Max Positive DC Vg1 0V Plate Dissipation 3W Screen Dissipation 0.6W Transconductance 3650μMHOS /Ep=100V、Eg2=100V、Eg1=−1V、Ip=9mA、Ig2=3mA
6BZ7 GENERAL ELECTRIC 
Ef=6.3V If=400mA MAXIMUM RATINGS Plate Voltage 250V Plate Dissipation 2W Peak Heater−Cathode Voltage Heater negative with respect to cathode 200V Heater positive with respect to cathode 200V DC 100V Cathode Current 20mA Grid CirCuit Resistance 0.5MegΩ AMPLIFICATION FACTOR 36 Transconductance 6800μMHOS /Ep=150V、Cathode R=220Ω、Ip=10mA
6C52H−B Sovtek

(6CW4類似) Ef=6.3V If=135mA MAXIMUM RATINGS Plate Supply Voltage 300V Plate Voltage 135V GRID VOLTAGE Negative−Vias Value 55V Peak−Positive Value 0V PLATE DISIPATION 1.5W AMPLIFICATION FACTOR 68 Transconductance 12500μMHOS /Plate Voltage 70V、Grid Supply Voltage 0V Grid R=47K、Rp=5440Ω、Ip=7.2mA Max Grid R fixed−vias 0.5MegΩ kathode−vias 2.2MegΩ
6C52H−B Sovtek

Ef=6.3V If=135mA MAXIMUM RATINGS Plate Supply Voltage 330V Plate Voltage 110V GRID VOLTAGE Negative−Vias Value 55V Peak−Positive Value 2V Plate Current 20mA Cathode Current 15mA PLATE DISIPATION 1W Heater Cathode Voltage ±100V AMPLIFICATION FACTOR 54 Transconductance 6800μMHOS /Plate Voltage 110V、Cathode R=150Ω、C=1000uF Heater 5.7V Max Grid R fixed−vias 0.5MegΩ kathode−vias 1MegΩ
6DT8 INTERNATIONAL
6DT8 Westinghous
Ef=6.3V If=300mA MAXIMUM RATINGS Plate Voltage 300V Negative DC Grid Voltage −50V Plate Dissipation 2.5W Peak Heater−Cathode Voltage Heater negative with respect to cathode 200V Heater positive with respect to cathode 200V AMPLIFICATION FACTOR 60 Transconductance 4000μMHOS /Plate Voltage 100V、Cathode R=270Ω、IP=3.7mA、 Plate R=15KΩ、μ=60、Grid Voltage −5V(ib=10uA)
6GM8/ECC86 INTERNATIONAL
Ef=6.3V If=330mA MAXIMUM RATINGS Plate Voltage 30V Plate Dissipation 0.6W Cathode Current 30mA Grid CirCuit Resistance 1MegΩ Voltage between Cathode and heater 30V Resistance between Cathode and heater Max20KΩ AMPLIFICATION FACTOR 14 Transconductance 2600μMHOS /Ep=6.3V、Eg=0V、Ip=0.9mA
6HA5 SIEMENS
Ef=6.3V If=180mA MAXIMUM RATINGS Plate Voltage 220V Negative DC Grid Voltage −50V Plate Dissipation 2.6W Cathode Current 22mA Heater negative with respect to cathode 110V Heater positive with respect to cathode 110V Grid CirCuit Resistance 1MegΩ Transconductance 20000μMHOS Amplification Factor 80 /Ep=135V、IgDC=10mA、Ip=19mA、RLp=1K、Rk=0
12AT7 松下
12AT7 NEC
Ef=12.6V If=150mA Ef=6.3V If=300mA MAXIMUM RATINGS Heater−Cathode Voltage 90V Plate Voltage 300V Plate Dissipation 2.5W Negative DC Grid Voltage −50V Transconductance 4000μMHOS Amplification Factor 60 /Ep=100V、Cathode Bias Resistor=270Ω Ip=3.7mA
12AU7/ECC82 JJ
Ef=12.6V If=150mA Ef=6.3V If=300mA MAXIMUM RATINGS Plate Voltage 300V Plate Dissipation 2.75W Anode Current 20mA Average Grid Current 5mA Negative Control Grid Voltage 150V Grid CirCuit Resistance(autobias) 1MegΩ Grid CirCuit Resistance(fixedbias) 250KΩ Transconductance 3100μMHOS Amplification Factor 20 /Ep=100V、Eg=0V、Ip=11.8mA
1AD4 TUNG−SOL
1AD4 RAYTHEON
Ef=1.25V If=100mA MAXIMUM RATINGS Plate Voltage 100V Grid #2 Voltage 100V Plate Dissipation 0.3W Grid #2 Dissipation 0.1W Total Cathode Current 5.5mA Transconductance 2000μMHOS /Ep=45V、Esg=45V、Rcg=2MΩ、Ip=3mA、Isg=0.9mA
1AG5 RAYTHEON
Ef=1.25V If=30mA MAXIMUM RATINGS Plate Voltage 50V Grid #2 Voltage 50V Total Cathode Current 0.5mA Diode Current for Continuous Operation 0.25mA Transconductance 235μMHOS /Ep=22.5V、Esg=22.5V、Ecg=0V、Ip=0.17mA、Isg=0.043mA Rcg=5MΩ、
1V6 CBS
1V6 RAYTHEON
1V6 TUNG−SOL
Ef=1.25V If=40mA MAXIMUM RATINGS Plate Voltage(PENTODE) 90V Grid #2 Voltage 90V Plate Voltage(TRIODE) 90V Grid #1 Voltage(PENTODE) NEVER + Total Cathode Current 1.5mA Conversion Transconductance 200μMHOS /Ep=45V、Esg=45V、Ecg=0V、(PENTODE)、Ep=45V(TRIODE)
5672 RAYTHEON
Ef=1.25V If=50mA MAXIMUM RATINGS Plate Voltage 100V Grid #2 Voltage 100V Total Cathode Current 5.5mA Transconductance 650μMHOS /Ep=67.5V、Esg=67.5V、Ecg=−6.5V、Ip=3.25mA、 Isg=0.95mA、RL=20KΩ
CV 2238 VALVE ELECTRONIC
5672 同等
5676 RAYTHEON
Ef=1.25V If=120mA MAXIMUM RATINGS Plate Voltage 150V Plate Current 11mA Transconductance 1600μMHOS Amplification Factor 14 /Ep=135V、Ecg=−5V、Ip=4mA
5678 RAYTHEON
Ef=1.25V If=50mA MAXIMUM RATINGS Plate Voltage 90V Grid #2 Voltage 67.5V Transconductance 820μMHOS /Ep=45V、Esg=45V、Ecg=0V、Ip=0.8mA、Isg=0.22mA
5718 NEC
Eh=6.3V±5% Ih=0.15A MAXIMUM RATINGS Plate Voltage 165V Negative DC Grid Voltage 55V Plate Dissipation 0.9W Plate Current 20mA Grid Current 5.5mA Heater=Cathode Voltage ±200V Bulv Temp 220℃ Amplification Factor 27 Transconductance 5800μMHOS /Ep=100V、Ip=8.5mA
5840W RAYTHEON
Eh=6.3V±5% Ih=0.15A MAXIMUM RATINGS Plate Voltage 165V Positive DC Grid#1 Voltage 0V Negative DC Grid#1 Voltage 55V Grid Circuit Registance 1.1MΩ Cathode Current 16.5mA Plate Dissipation 0.9W Heater=Cathode Voltage ±200V Bulv Temp 220℃ Transconductance 4200〜5800μMHOS
6088 RAYTHEON
Ef=1.25V If=20mA MAXIMUM RATINGS Plate Voltage 67.5V Screen Grid Voltage 67.5V Cathode Current 1.5mA Transconductance 625μMHOS /Ep=45V、Esg=45V、Ecg=−1.25V、Ip=0.65mA、Isg=0.15mA RL=80KΩ
6205 Philips
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 165V Screen Grid Voltage 155V Suppressor Voltage 22V Positive DC Grid#1 Voltage 0V Negative DC Grid#1 Voltage 55V Plate Dissipation 1.1W Screen Dissipation 0.55W DC Cathode Current 16.5mA Heater=Cathode Voltage ±200V Grid Circuit Registance 1.1MΩ Bulv Temp 220℃ Transconductance 5000μMHOS /Ep=100V、Escreen=100V、Esup=Ecatode /Cathode R=150Ω、Ip=7.5mA、Iscreen=2.4mA /Rp=0.26MΩ、Eg#1=ー9V
6206 RAYTHEON
Ef=6.3V If=150mA MAXIMUM RATINGS Plate Voltage 165V Screen Grid Voltage 155V Negative DC Grid#1 Voltage 55V Plate Dissipation 1.1W Screen Dissipation 0.55W DC Cathode Current 16.5mA Heater=Cathode Voltage ±200V Bulv Temp 250℃ Transconductance 4500μMHOS /Ep=100V、Escreen=100V、Esup=0V /Cathode R=120Ω、Ip=7.2mA、Iscreen=2.2mA /Rp=0.26MΩ
6418 RAYTHEON
Ef=1.25V If=10mA MAXIMUM RATINGS Plate Voltage 30V Screen Grid Voltage 30V Grid #2 Voltage 0.5mA Transconductance 300μMHOS /Ep=22.5V、Esg=22.5V、Ecg=−1.2V、Ip=0.24mA、 Isg=0.06mA、RL=100KΩ
1D8GT 
Ef=1.4V If=100mA MAXIMUM RATINGS Plate Voltage(TRIODE) 110V Plate Voltage(PENTODE) 110V Screen Grid Voltage 110V Cathode Current 6mA Transconductance(TRIODE) 325μMHOS Amplification Factor 25 /Ep=45V、Ip=0.3mA、 Transconductance(PENTODE) 650μMHOS /EP=45V、Escreen=45V、Eg1=ー4.5V、Ip=1.6mA Ig2=0.3mA、RL=20K、Pout=35mW
1LC6 
Ef=1.4V If=50mA MAXIMUM RATINGS Plate Voltage 110V Screen Grid Voltage(G3andG5) 45V Screen Grid SUPPLY Voltage 110V GRIDS2 Voltage 50V GRIDS2 SUPPLY Voltage 110V Cathode Current 3mA Conversion Transconductance 250μMHOS /EP=45V、Escreen=35V、Eg2=45V、Eg4=0V、
真空管は製造されてから長い年月が経過しているので収納されていた箱は大抵傷んでいます。
特に蓋の部分は真空管の出し入れで確実に傷みます。
CBS 1V6
RAYTHEON 1V6
RAYTHEON 5672
RAYTHEON 5678
SYLVANIA 1S5
RT 1T4
RCA 1R5
日立 1T4−SF
東芝 1T4
INTERNATIONAL ECC86
JJ ECC82
RAYTHEON 1S5
RCA 1R5
RCA 1R5
VALVE ELECTRONIC CV 2238
TUNG−SOL 1V6
MARCONI 1AG5
RCA 1D8GT
RCA 1LC6
Mullard 1U4
GAMMA−TRON 1U4
CEI 6AB8
NATIONAL ELECTRONICS 6AB8
TELEFUNKEN EBF80
TEN 6BH6
TEN 6BH6
TEN 6BH6
NEC 6BJ6
CIFTE 6AK6
ZENITH 6AK5
Silverstone 6AB4
Amperex 6AQ6
AMC 6AJ5
TUNG−SOL 6BJ6
RAYTHEON 6BJ6
SYLVANIA 5654
ROGERS 6AK5
Westinghous 6DT8
GENERAL ELECTRIC 6BZ7
SIEMENS 6HA5
RCA 7895