Ampeg Portaflex Combo PF-50T Head with PF115HE Cab, 50-Watt Tube Bass Amp

This is a fun nice sounding amp. The top flips over and goes inside the cabinet for easy transportation. It is the Ampeg PF-50T Tube head with the Ampeg  PF115HE Cabinet. Here is some information from Ampeg: 
Head:
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. 
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

Cab:
Drawing from the classic design of Ampeg’s legendary Portaflex cabinets, the PF-115HE combines vintage styling with the performance of a modern 450W cab. The Eminence® 15˝ driver pushes out true Ampeg tone. Since it’s a Portaflex, you can attach any PF Series head to the top, flip it inside and hit the road Ampeg style.
Vintage Portaflex flip-top cabinet design
Black diamond tolex
Vintage B-15 grille cloth
Rugged 15mm poplar ply enclosure
450W RMS power handling @ 8 ohms
1 x 15˝ ceramic Eminence® LF driver
1˝ HF compression driver w/L-Pad level control
Frequency response: 50 Hz - 17 kHz
Sensitivity: 99.5 dB SPL @ 1w/1m
Dimensions (H x W x D inches):
23 x 21 x 14 in
584 x 533 x 363 mm
Handling weight: 45 lbs / 20.4 kg