Madsen Amplification

When using vintage glass, is my nostalgia or the tone warmer? Tests NOS Sylvania tubes for my take of the 5F1 circuit.

#madsenamps #madsenamplification #heirloom #boutique #tubeamp #handmade #tweed #toneconnoisseur #toneconnoisseurclub

1 year ago | [YT] | 0