FOR SALE

 Mullard EF91 Vacuum Pentode Tube.

• Miniatur 7-Pin Base B7G.
  

• Date code: R1D3 (Mitcham, UK, 1961)

• NOS test results

Tested on AVO 160 With:

Uf: 6 V~

Ua: 200 V

Ug1: - 1.5 V

Ug2: 150 V

Result: Ia = 7.5 mA  (4 = 100 %)

               S = 7 mA/V (6.4 = 100 %)

  All our tubes are tested for shorts and gas leak.

• Feel free to visit my store ‘euromoments’ for more vintage tubes

• Items will be carefully packed to ensure save arrival.

• Thank you for checking the other listings.

• We ship usually within one day after payment.