Packing four beefy 8″ HyDrive speakers driven with lightweight Class D amplification, the Hartke HD508 bass combo amp delivers 500 peak watts of fat, punchy bass tones in a roadworthy 49-pound cabinet. The top-mounted control panel offers a 3-band EQ to shape your sound for any genre, plus Hartke’s Shape EQ knob with a variable filter for even more sonic control. Use the XLR direct output to send your bass tone direct to a sound system or recording chain. Complete with a headphone output for private practice sessions, plus an aux input to jam along with backing tracks, the Hartke HD508 bass combo packs big performance into a conveniently sized combo.
Paper and aluminum cone make an impressive sonic combo
So what makes the Hartke HD508 bass combo stand apart from competitors? It all revolves around the HyDrive speaker design. The HyDrive speaker uses paper around the outside for traditional warm, round tones. But the middle is aluminum, adding trademark Hartke zing to your upper mids and highs. The result is a portable bass amp that offers an impressive sonic range that’s suitable for practically any style of music.
Compact and gig-worthy
The HD508 bass combo is designed to be a gig-friendly option for touring and traveling musicians. Patented HyDrive paper/aluminum-cone drivers and a 500-watt Class D power amp help to keep weight down for night-after-night portability. The 4 x 8 configuration gives you the fat bottom end you’d expect from larger speakers along with the faster transient response you get from smaller drivers. It’s the best of both worlds.
Shape control gives a one-touch boost at 100Hz–900Hz
Bassists like using the HD508’s Shape control in addition to its 3-band EQ to enhance a selected frequency range with the press of a button. This is helpful when you want a bass boost or low-mid bump for a certain section of a song without disrupting your EQ settings. Cycle between 100Hz–900Hz to define the sound you want, then engage any time your tone needs a little sweetening.
Hartke HD508 500-watt 4 x 8″ Bass Combo Amp Features:
- Class D amplification with top-mounted control panel
- Rated output power: 500-watt peak
- Rated input level: 77.46mV RMS (@1kHz)
- Speakers: 4 x 8″ HyDrive paper/aluminum-cone drivers
- Total harmonic distortion: 0.54% (@1dB below rated output)
- Signal to noise ratio: 1W/49.3dBu (1W RMS @1kHz)
- 3-band EQ: bass: 70Hz, mid: 700Hz, treble: 5kHz
- Volume, Shape, Bass, Mid, Treble controls
- Shape control: 100Hz–900Hz
- Inputs: 1/4″ instrument, 1/8″ stereo aux
- Outputs: 1/4″ headphone, XLR direct out
- Effects loop: 1/4″ send, 1/4″ return
- Cabinet: 5/8″ plywood, shelf port
- Grille: perforated metal
- Handles: steel-reinforced molded strap, 2 inset handles
- 4 removable casters, 8 protective corners
- Dimensions: 21.75″ x 20″ x 12″
- Weight: 49 pounds
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