The ABM C115-500 EVO II combo combines the features of the ABM 500 EVO II head with a single 15" Ashdown BlueLine driver in a precision tuned cabinet. The cabinet is constructed from high-grade birch ply with properly screwed and glued joints, protected by a tough, buffalo leather cloth covering and chromed metal corners. All amplifier chassis are built from heavy-duty 16 swg zinc coated mild steel, foil lined to minimise interference, and special Ashdown-designed metal handles are used in favor of inferior flip handles which can rattle after years of use. The ABM 500 EVO II is a 575 watts RMS bi-amp bass amp head designed to satisfy both bass-purists and tech-heads alike.
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. The EQ can be switched in/out, and flat/shaped by footswitch, enabling players to go from a flat fretless sound to a boosted sound via a favorite EQ setting. A single input is switchable for passive and active instruments with a blend of solid state and dual triode tube preamps stages which can be preset and selected by footswitch, providing access to a massive range of clean, warm and overdriven tones.
Also footswitchable is the mighty Ashdown sub-harmonic generator which precisely tracks the main signal and reproduces it an octave lower. A sub-harmonic level control enables the player to add just the right amount of low-end reinforcement - everything from a subtle, thickening of the sound to unbridled, bone crushing tone.
The ABM 500 EVO II features a front-panel mounted balanced DI out with pre or post EQ switching, a sub-bass output, a tuner output, an FX loop and a line input for the connection of an external sampler or sound source. Output muting cuts the signal from the DI output but leaves the tuner output 'live', allowing the player to tune up in silence. A new upgraded power section has faster transient attack, more headroom and even less noise.
Ashdown BlueLine speakers are specially developed to achieve a superb balance of power, transparency and deep, controlled low end, without sacrificing any of the mid-band attack and high-end brightness that are so important in a modern bass sound.
Technical Info
Specifications
Power Output: 575 watts RMS
Speaker Configuration: 15 in. BlueLine speaker
High Instrument Input Impedance: 3.9m Ohms, input range 150mV - 20mV p-p
Low Instrument Input Impedance: 10k Ohms, input range 300mV - 40V p-p
Stereo Line Input Impedance: 22k Ohms, input level 0dBu nominal
Effects Return Impedance: 22k Ohms, input level 0dBu Nominal
Tuner Output Impedance: 22k Ohms, level 0dBu nominal
Sub Output Impedance: 1k Ohms, level 0dBu Nominal
Effects Send Impedance: 22k Ohms, level 0dBu nominal
DI Output: 600 Ohms balanced, level 0dBu nominal
Speaker Outputs: Minimum impedance 4 Ohms
Shape (Push Flat): +8dB @ 50Hz & 4kHz, -8dB @ 400Hz, filter slope - 6dB/octave
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
Frequency Response: -3dB at 17Hz and 30kHz
Power Requirements: 230 / 115V
Height: 587mm (23.1 in.)
Width: 610mm (24 in.)
Depth: 335mm (13.2 in.)
Weight: 28kg (61.7lbs)
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