Ashdown Dual Tube Preamp Series 550 Bass Amp Head  

Product #H87398

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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A 550W bass amp head with dual tube preamp design and solid Ashdown construction.

First heard in the 427 Small Block, Ashdown' Dual Tube bass preamp was an instant hit, thanks to its solid, articulate bottom end and sparkling highs. With its stunning polished chrome panel, the 550W Ashdown Dual Tube Series 550 head takes this stunning tube preamp design and partners it with the tour proven ABM 500 power stage.

The discerning bass player gets high and low gain inputs, front panel-mounted FX send and return, rotary bass, middle and treble controls with mid shift, bass shift and bright switching, mute switch, rotary gain and master volume controls and a DI output.

525W(550) Power output
230 / 115 / 100V Power requirement
1 x ECC82 and 1 x ECC83 Preamp tubes
Minimum 4 Ohms
Speakon/Jack speaker outputs

Fill the air with Ashdown. Order today!


Dual Tube Preamp Series 550 Bass Amp Head Specifications:

-3dB at 20Hz and 20kHz Frequency response
High Instrument Input: Impedance 1m Ohms, input range 25mV - 1.5V p-p
Low Instrument Input: Impedance 100k Ohms, input range 25mV - 6V p-p
Line Input: Impedance100k Ohms, input level 0dBu nominal
DI Output: 600 Ohms balanced, level 0dBu nominal
Effects Send: 1k Ohms, level 0dBu nominal
Effects Return: 1m Ohms, input level 0dBu Nominal
Dimensions (W x H x D): 19.7" x 5.9" x 12.6"
Weight: 30.9 lb.
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