Add to Cart Quick view Philips Set of 3 Matched 12JB6 NOS Tubes for the TR-3, and TR-4 Series RL Drake Radios, Tested & Guaranteed Philips MSRP: Now: $90.00 Was: Philips Set of 3 Matched 12JB6 NOS Tubes for the TR-3, and TR-4 Series RL Drake Radios, Tested & Guaranteed. This is the set needed for TR-4, TR-4C, TR-4CW and TR-4CWrit as well as the TR-3. I purchased this set from RL Drake around 25 years ago when... MSRP: Now: $90.00 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $90.00 Was: Subtotal: Add to Cart