Ashdown BTA400 400W Bass Head
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Ashdown BTA400 400W Bass Head
All Valve Head with EVo III Pre-Amp, Handmade in Essex.
When Ashdown made a tube amp head, it was always going to be something very special. The BTA 400 (Big Tube Amp) partners a feature-laden ABM EVO III preamp with a sledgehammer 400W power section comprising of 8 KT88 tubes and massive output transformers. You get a sub-harmonic generator, built-in compressor and classic Ashdown 'rotary plus slider' EQ providing 20dB of cut and boost at 60Hz, 660Hz and 5kHz, supplemented by 15dB cut and boost at 180Hz, 340Hz, 1.3kHz and 2.6kHz. Comprehensive connectivity includes a balanced DI output with pre or post EQ switching, a sub-bass output, a tuner output, an FX loop and a line input, and a 4-way footswitch is included for maximum performance control. Alongside great tone and flexibility, what makes the BTA 400 really special is its reliability. With a chassis suspended on car engine mountings and a circuit design that will even survive running with no speakers connected, this is a tube bass amp head you can depend on.
Specs
| Power Output (RMS) | 400W |
| Power Requirement | 230 / 115V |
| Frequency Response | -3dB at 17Hz and 30kHz |
| 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 |
| Line Input | Impedance 22k Ohms, input level 0dBu nominal |
| Sub Output | Impedance 1k Ohms, level 0dBu Nominal |
| DI Output | 600 Ohms balanced, level 0dBu nominal |
| Tuner Output | Impedance 22k Ohms, level 0dBu nominal |
| EQ |
Bass +/-15dB @ 45Hz Middle +/-15dB @ 660Hz Treble +/-15dB @ 7kHz shelving Slider 1 +/-15dB @ 180Hz 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) | 266 x 610 x 335 |
Important Note
Price errors and omissions excepted - An order is considered finalised on dispatch. No monies are debited from your card until the item is in stock or by prior arrangement.
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