-40%
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube
1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube

1 x NOS Triotron ECC83 12AX7 △t? mCA Long Weld Plates D-geter Triode Vacuum Tube

$ 528.0

  • Brand: Triotron
  • Country/Region of Manufacture: Denmark
  • Custom Bundle: No
  • MPN: 42
  • Model: ECC83
  • Modified Item: No
  • Type: Vacuum Tube

Description

NOS TRIOTRON ECC83 - 12AX7 Price is for 1 NOS tube. This is dual system triode preamp tube with long welded plates, D-shaped getter. Made somewhere in the mid 1950s in Denmark. With codes of Copenhagen plant - △t? mCA. Tested VERY STRONG and closely balanced as follow: Ia1 = 1.2 mA | S1 = 1.6 mA/V | Ri1 = 50.0 | μ1 = 80.0 Ia2 = 1.3 mA | S2 = 1.8 mA/V | Ri2 = 45.4 | μ2 = 81.7 Tested at: Uf = 12,6V | Ua = 250V | Ug1 = -2,0V Where 100% is Ia=1.2mA and S=1.6mA/V EXTREMELY RARE TUBE! VERY FEW PRODUCED! Shipping will be Airmail registered with tracing number. Other shipping methods available on request.