The 575-Watt 4 x10 + horn C410H-500 combo features a single input is switchable for passive and active instruments with a blend of solid state and dual triode tube preamps stages. Three straightforward rotary tone controls provide 20dB of cut and boost at 60Hz 660Hz and 5kHz and are supplemented by two pairs of additional sliders giving 15dB cut and boost at 180Hz 340Hz 1.3kHz and 2.6kHz. A built-in dual band compressor acts separately on the high and low frequency components of the signal to provide precise control while the on-board sub-harmonic generator turns the Classics into powerhouses of tone.

The inclusion of a 4-way footswitch as standard makes Ashdown Classic amongst the most versatile live performance bass amps in the business providing control over the compressor sub-harmonic generator tube grind and EQ pre-shape.

Central to the performance of the combo is the use of custom developed Neodymium speakers which incorporate a number of advanced features including a cast aluminum chassis with thin brackets to avoid sound wave reflections a magnet circuit with heat sink rims to ensure rapid heat dissipation and decompression holes in the cone. The result is a range of ultra-lightweight bass drivers that just keep getting louder as the level is increased delivering a powerful consistent bass tone at all volume levels and with no power loss over long performances.

Ashdown Klystron C410T-500 4 x 10 Bass Combo Amp Specifications:

• Power Output (RMS): 575W
• Speaker Configuration: 4 x10 + horn
• Frequency Response: -3dB at 17Hz and 30kHz
• Speaker Outputs: Minimum impedance 4 Ohms
• High Instrument Input: Impedance 3.9m Ohms input range 150mV - 20V p-p
• Low Instrument Input: Impedance 10k Ohms input range 300mV - 40V p-p
• Line Input: Impedance 22k Ohms input level 0dBu nominal
• Line Output: Impedance 10k Ohms level 0dBu nominal
• DI Output: 600 ohms balanced level -20dBu nominal
• Tuner Output: Impedance 1k Ohms level 0dBu nominal
• EQ: Bass +/-15dB @ 45Hz
• Middle +/-15dB @ 660Hz
• Treble +/-15dB @ 7kHz shelving
• Slider 1 +/-15dB @ 110Hz
• Slider 2 +/-15dB @ 340Hz
• Slider 3 +/-15dB @ 1.3kHz
• Slider 4 +/-15dB @ 2.6kHz
• Shape (Push Flat) +8dB @ 50Hz & 4kHz -8dB @ 400Hz filter slope - 6dB/octave
• Effects Send: Impedance 22k Ohms level 0dBu nominal
• Effects Return: Impedance 22k Ohms input level 0dBu nominal
• H x W x D (mm): 340 x 825 x 610
• Weight (kg): 47

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