Pair of s in grounded grid put out about watts PEP on 80, 40 and 20 meters. However, during the QSO, when switching between Tx and Rx using the push-button switch, the receiver would drift, requiring constant touch-up of the tuning which is an RIT or regeneration which also varies the Rx frequency. I found myself having to conduct the QSO with one hand on my pencil to record the QSO and the other on the rig's tuning or regen control. It also sounded good on AM as do the Drakes. The thing was I've had a and series also. Between being a Collins radio, having all the crystals and a carrying case, I hate to think what the bill was but I sure enjoyed playing with the radio.
Two vintage noise blankers work well.
1944 One Tube VHF Transceiver
Have also had one Q in the mobile I do own a Swan D. Giving the rig the ability to run on batteries is a nice touch as many hams nowadays are unlikely to have a power supply that can supply the 90V and 1. Perhaps a s MG. I really enjoy using my tr4c, and yes