I am selling the three (3) recommended upgrade tubes for the Modwright LS100:
A pair (2) of new production Sophia Electric 6SN7 tubes
A single (1) 5AR4 NOS Mullard Blackburn production rectifier tube
All work flawlessly. Selling my LS100. These tubes have approximately 150 hours on them (they should last many many years)
Tubes cost $300
Selling for $150
contact drew.karpinski@verizon.net