Best 7189 pairs listed at7189

7189 / 7189A USA (uprated 6BQ5)
(click on links below to check stock)

7189 Mullard UK
7189 Holland
7189 RCA
7189 Sylvania
7189A GE
7189A Japan

7189/A: 13.2 watts max plate dissipation, 440VDC max plate volts 7189A: has higher screen voltage voltage rating than 7189 6BQ5/EL84: 12 watts max plate dissipation, 300VDC max plate volts
Comparative Tube Ratings
  Vh Ih VaMax Vg2Max PaMax Pg2Max Notes
EL84
6.3 0.76 300 300 12 2.0 12 watts max plate dissipation with
300V max plate volts.
7189
6.3 0.76 400 300 12 2.0 12 watts max plate dissipation with
400V max plate volts.
7189A
6.3 0.76 440 400 13.2 2.2 13.2 watts max plate dissipation with 440V max plate volts.
E84L
6.3 0.76 450 300 13.5 2.4 13.5 watts max plate dissipation with 450V max plate volts.


7189 Mullard Great Britain rebranded as 7189A "10M" International
(pins 6 and 9 are not internally connected to screen to make them a 7189A, only pin 9)

Vplate=350V, Vscreen=200V, Iplate range=50-65ma, Pout range=17-18W, Gm=around 12,000

TO BUY 7189


7189 HOLLAND "D" GETTER HALO (copper grid posts) TO BUY 7189

7189 RCA - VOX - Scott LK 48 1964 TO BUY 7189

7189 Sylvania

TO BUY 7189


7189A GE 7189A has higher screen voltage rating than 7189 Divided by 13 RSA 31 amp Matchless DC30 combo amp Teisco 10 guitar amp TO BUY 7189A

7189A Japan (Tokyo Shibaura Electric=Toshiba) - Magnatone 10 and 10A 1 tube $50) 7189 JAPAN misbranded as 7189A Amperex Globe Logo 1970's NOS: (same build as Holland made) (43ma)