| Model | JTM45 2245 |
| Range | Vintage reissue |
| Technology | Valve |
| Channels | 2 (Split) |
| Output wattage | 30W |
| Outputs | 2 x 1/4" jack speaker outputs, selectable 16Ω/ 8Ω / 4Ω load |
| Inputs | 4 (2 x high, 2 x low) "Lead and Bass" |
| Controls | Presence, bass, middle, treble, high treble/loudness I, normal/loudness II |
| Effects | None |
| Effects loop | None |
| Preamp valves | 2 x ECC83, 1 x ECC83 (phase splitter) |
| Power amp valves | 2 x 5881 |
| Rectifier | 1 x GZ34 |
| Footswitch | None |
| Cable | Detachable power cable included, speaker cable included |
| Dust cover | M-COVR-00013 (sold separately) |
| Dimensions (including feet and handle) | Width: 665 mm / 26.2" Height: 265 mm / 10.4" Depth: 205 mm / 8.1" |
| Weight | 14.6 kg / 32 lbs |