ampeg 5 pro???

Okay so here's what I was wondering. I see that the 5 pro specifics say tube or solid state. Does this mean that there are two version of the head? or is there something on the amp so that you can switch back and forth?

Dimensions: 19 x 5.6 x 15.5
Weight: 40 Pounds
Preamp (Tube or Solid State): T (1 x 12AX7)
Driver Tubes: n/a
Power Amp (Tube or MOSFET): MF
RMS Power Output (8 Ohms): 205 Watts x 2/680 (mono-bridged @ 8 Ohms)
RMS Power Output (4 Ohms): 340 Watts x 2/1000 (mono-bridged @ 4 Ohms)
RMS Power Output (2 Ohms): 500 Watts x 2
Tone Controls: 3 band
Mid Tone Control: fixed
Graphic EQ: n/a
Ultra Low/High Boosts: Yes
Balanced Line Out: Yes x 2 (transformer)
Effects Loop: Yes x 2
Preamp Out/Power Amp In: Yes x 2

Other Features
1/4" Input
-15 dB Pad
Variable 0 - 4:1 Compressor
1/4" Biamp High and Low Outputs
Defeatable Optocoupler Limiters
Internal 24 dB/Octave Crossover
50 - 1KHz Variable Crossover Point
High/Low Balanced Control
Tuner Out/Mute Function
Overdrive Channel with 3 Band EQ
Octave Circuit
Gate Switch
Overdrive Boost

 

Just found that answer to my question!