The legendary tone and portability of the all-tube Ampeg Portaflex amplifiers is faithfully reproduced in the PF-50T. This all-tube Portaflex head provides a harmonically rich and studio-worthy 50 watts of pure Ampeg tone to satisfy the most discerning bass player. Featur ing simple user-adjustable bias adjustment for easy tube replacement and pre-amp and transformer balanced direct outs for maximum versatility. Plus, no speaker load is required for silent recording or even use as a dedicated tube DI. Pair it with the PF-112HLF for the ultimate compact all-tube bass rig.

SPECS: 

• RMS power output:50W @ 4 or 8 ohms
• Preamp: All-tube [2] x 12AX7
• Power amp: All-tube [1] x 12AU7, [2] x 6L6
• 0db and -15db inputs
• Tone controls: Bass, Mid, Treble
• Mid-tone control: 5-position
• Ultra Hi/Lo boosts
• Input gain control
• Preamp balanced line out
• Pre/Post EQ
• Ground lift
• Transformer balanced line out
• Ground lift
• User adjustable bias control
• Dimensions (H x W x D inches):
• 7.3 x 13.9 x 10.4 in
• 185 x 353 x 264 mm
• Weight: 19.4 lb / 8.8 kg