I bought a red knob model a couple of months ago from a literal antique store. I had no idea when it was made and only checked a few forums before deciding to purchase it. I bought it right after my roommate got a brand-new ’65 Reissue Twin Reverb and was pleasantly surprised by how well the red knob compared. Unfortunately, I didn’t notice the wear and tear until it started to show—during a gig about three weeks after purchase, three out of four input jacks popped out, and I couldn’t continue playing. My amp tech explained that the part was very old and that the amp’s orientation combined with cable tension caused stress that eventually broke the jacks. He gave me a few helpful tips for owners of this amp: string your cable through the amp’s handle to create some slack while playing; when setting up for a gig, position your amp where you want it, then roll it back a couple of inches—the casters make the amp slightly forward-heavy in its normal stance, which can cause long-term issues, so turning the casters backward a bit (or removing them entirely) helps balance the weight; and for storage or transport, if you need to lay the amp down (for instance, to fit it in a car), always lay it on its back since the knobs protrude past the faceplate, and you don’t want to drag your 80-pound amp across the trunk and break them. Despite the quirks and upkeep, I absolutely love this amp. It cuts through the mix beautifully and offers incredible tonal versatility with all those push-pull controls to experiment with.

I bought my Red Knob “The Twin” new in December of 1990.. I used it for guitar for many years but it never saw much outside the house use..So since about 2006,, I’ve been using it for pedal steel guitar on occasion, but was never happy with the sound of it with the 2×12″ Fender special design speakers in it…So,recently , for something different,, I temporarily hooked up this amp to a 15″ Fender Special .Design Eminence 4 ohm speaker that resides in my Fender Steel King amp…Well that was IT !!.. The sound I’ve been looking for , for years..Nothing beats the sound of a tube amp with a 15″ speaker for pedal steel guitar.So now,, The red knob Twin has a single 15″ Fender speaker in it replacing the 2×12’s..This makes this amp the equivilant of the Fender ’65 Custom 15 they used to make years ago..I had to modify the cabinet to take the 15″ speaker, but I don’t ever plan to sell it now, so it’s a keeper for life… This amp has never let me down, and with an occasional checkup and normal tube replacement,is probably the best amp I’ve ever owned in my 60 years of playing..It IS heavy though, but I’ve modified a dolly to help move it..It’s the only amp I’ll ever need for pedal steel guitar,, and guitar as well..It’s 31 years old and still chugging along..

Proud owner of a Red Knob and I love it! Got MIne for 400€ in a not so pristine condition, but it plays perfectly! Actually missing a couple knobs. Does anyone knows where to find a replacement, or even better, replace them all with black knobs? Do they match?