Outstanding Vintage 62′ Hammond Power Amplifier H-AO-29-13 With Its individually Tested Tubes. From a fully functional and well maintained model M-111, fully tested before carefully removing. The following are the test values for each tube. 5U4 : 94/94 (94%/94% of NOS). 6BA6 : 95 (95% of NOS). 6V6 : 97 (94% of NOS). 6V6 : 94 (94% of NOS). 12AX7 100/100 (100%/100% of NOS). 12AU7A 95/95 (95%/95% OF NOS). 6AUA 95 (95% of NOS). 6AUA 100 (100% of NOS). 6C4 100 (100% of NOS). 12AU7A 94/95 (94%/95% of NOS). The power cord has a lot of cracking and fraying. It will need replaced. The black tape was placed just for testing. Feel free to message any questions.