• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

looking to build or buy a cheep preamp

like is says looking to build or buy a cheep preamp will this do found it on e bay Item number:120595904218

Iam building a oddwatt 225 I have 2-6sl7gt and 4-jj kt77,2-35watt transformersfor the output, a 4 H henry hry power supply choke,
Bassman tube amp power transformer 700VCT, 5, 6, 50V

my question is will this preamp work