Drake L4B classic amplifier

Drake L- 4b amp for saleSee more

Drake l4b Harbach Power Supply Kit, Harbach Soft Start , Soft Key Bias Board Ground Grids EtcSee more

Drake L-4B HF linear amplifier dual Eimac 3-500z tubes demo in operation Collins Ameritron HenrySee more

Drake L4B amplifier modification with Harbach mod.See more

Drake L4BSee more

Tuning a Linear Amplifier Like the Drake L4B Heathkit SB220 SB200 Ameritron AL82 AL811 with Jim W6LGSee more

Drake L4B linear amplifier only 800 watts output. Probably need new pair 3-500Z tubesSee more

Immaculate Drake L-4B, Dual 3-500z Amplifier, Refurbished like newSee more

Drake L-4B HF Linear Amplifier Eimac 3-500ZSee more

DEMO Drake L4B Linear Amplifier 1200 watts on 20m dual 3-500z's ES4L-4BSee more

Drake L4B Con 3cx1500/8877See more

Iconic 3-500z/g Tube, Plate Dissipation, Prices of New Amplifiers, Instead Consider a Used Drake L4bSee more

Drake L7 linear amplifier 3-500z tube amplifier, bad tubes, test..See more

DEMO Drake L4B Linear Amplifier soft start demo with ES4L-4B-v1.0 board and Key up demoSee more

Drake L4b RepairSee more

CS7ALG 🇵🇹 DRAKE L-4B Linear Amplifier - Repair & SetupSee more

Drake L7 AmplifierSee more

DRAKE L7 LINEAR AMPLIFIERSee more

Drake L4B linear Amplifier how to install Harbauch Soft start and soft key module and some rantingSee more