-40%
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube
1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube

1 x Mullard ECC83 12AX7 Test STRONG I61 Blackburn Preamp Dual Triode Vacuum Tube

$ 30.35

  • Brand: Mullard
  • Country/Region of Manufacture: United Kingdom
  • MPN: 565
  • Model: ECC83
  • Type: Preamp Tubes

Description

MULLARD ECC83 - 12AX7 Price is for 1 tested, used tube. With O-getter with one support, ribbed folded plates and etched code I61 B3E4 decoded for Blackburn plant in England. Tube is produced in the 1960's. Tested VERY STRONG as follow! Ia1 = 1.4 mA | S1 = 1.7 mA/V | Ri1 = 48.7 | μ1 = 82.8 Ia2 = 1.2 mA | S2 = 1.7 mA/V | Ri2 = 47.6 | μ2 = 80.9 Tested at: Uf = 12,6V | Ua = 250V | Ug1 = -2,0V Good begins at: Ia = 0,7mA and 100% is Ia=1.2mA SUPERB TESTING TUBES! Shipping will be Airmail registered with tracing number. Other shipping methods available on request.