500 watts of tube-preamp bass tone in an 8-pound head. The Hartke LX5500 is a compact 500-watt bass head with a Class A 12AX7 tube preamp and a light Class D power amp. It responds to any playing style and drives any cab.
Why customers choose it
Who it is for
Bass players for stage and rehearsal, church and college bands, and anyone moving up from a combo to a head-and-cab rig.
Specifications
| Type | Bass amplifier head |
|---|---|
| Output Power | 500 W @ 4 ohms, 330 W @ 8 ohms (continuous) |
| Amplifier | Class D |
| Preamp | 12AX7 tube, Class A |
| EQ | Bass, Treble, Shape, Frequency (200 – 800 Hz), Brite |
| Effects | Drive, compressor (2:1) |
| Inputs | 1/4″ active/passive, 1/8″ aux |
| Outputs | 1/4″ + Twist & Lock speaker, XLR direct (pre/post), tuner out, 1/8″ headphone |
| Effects Loop | 1/4″ send and return |
| Dimensions | 355 x 270 x 73 mm |
| Weight | 3.6 kg (8 lb) |
Good to know
- This is an amplifier head – it needs a bass speaker cabinet and a speaker cable (not included).
- Never go below the minimum rated load (ohms) of the amp when connecting cabinets.
FAQ
Does it have a tube?
Yes, the preamp uses a 12AX7 tube in Class A.
Can I connect to the PA?
Yes, the balanced XLR direct out has a pre/post EQ switch.











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