Hey now. Long time lurker and gear junkie, just joined up to reply because I may be able to help here.
There actually is a power amp sim in a hardware device. The Hotone Binary IR Cab is an IR loader with power amp sim that can be used with or without the IR.
Link:
https://www.hotoneaudio.com/products/binary/Binary IR Cab
Has these sims:
| No. | Power Amp Type | Description |
| 1 | OFF | N/A |
| 2 | EL84S | EL84 Single-Ended (SE) |
| 3 | EL84P | EL84 Push-Pull (PP) |
| 4 | 6L6P | 6L6 Push-Pull (PP) |
| 5 | EL34P | EL34 Push-Pull (PP) |
| 6 | KT88S | KT88 Single-Ended (SE) |
| 7 | KT88P | KT88 Push-Pull (PP) |
| 8 | EL34S | EL34 Single-Ended (SE) |
| 9 | 6L6S | 6L6 Single-Ended (SE) |