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| Model Name | WorkingPro™ 400 |
| Model Number | 44-50200-010 |
| Series | WorkingPro™ Series |
| Type | Solid State Bass Amplifier Head |
| Description | -The
WorkingPro 400 is a 400-watt, all solid-state rackmountable
professional bass amplifier. -The classic, timeless, crystal-clear tone of the famous SWR® preamp and Aural Enhancer™. -The new Bass Intensifier™, an instant low-end frequency boost combined with fast-acting compression that literally intensifies the bass response - and makes a 400-watt amplifier sound like an 800-watt amplifier. -It breaks away from the trend of low-to-midline bass amplifiers that come pre-installed in a "head case" - instead, the WorkingPro amplifiers are two-rack-space rackmountable pieces. -It provides road-tested and studio-proven professional tone at a power-to-price ratio unmatched in the industry. -It comes with a two-button footswitch for hands-free control of the Mute (allows for silent tuning and practicing) and Bass Intensifier controls -5-year transferable warranty -Professional, modern, classy, sleek - all pointing to "pristine," which is a hallmark of the SWR sound |
| Features | Front panel
controls & features: *Input jack w/-10db pad option *Mute switch (mutes all outputs except tuner out and headphones out jacks) *Independent preamp gain and master volume controls *Exclusive SWR Aural Enhancer™ tone-shaping control *4-band active EQ with variable midrange *Bass Intensifier Level and Frequency Cutoff controls *EFX Blend control for side-chain effects loop *Automatic limiter with defeat option Rear panel controls & features: *Studio-quality XLR Balanced Output w/pre- or post-EQ option *XLR ground lift and output level pad (-10db) switches *Side-chain effects loop (effects send & return jacks) *Tuner Out jack *Unbalanced Line Out jack (post-effects-loop line-level out) *Headphones Out jack - for silent practicing when used with Tuning *Footswitch jack (for two-button footswitch that activates Mute and Bass intensifier circuit, included with purchase) *Two ß" and two Speakon® speaker output jacks |
| Power Output | 400 Watts @ 4
ohms 250 Watts @ 8 ohms |
| Impedance (Ohms) | N/A |
| Speakers | N/A |
| Channels | 1 Channel preamp, mono block poweramp |
| Controls | Mute Switch, Gain with Preamp Clip Indicator, Aural Enhancer, Bass Intensifier: Engage Switch Level, Cutoff, Limiter Defeat Switch, Input Pad, Gain, Aural Enhancer, Bass, Mid Level, Mid Frequency, Bass, Treble, Transparency, Effects Blend, Master volume |
| Covering | Polished aluminum |
| Weight | 25 lbs. |
| Dimensions | Height: 3.5"
Width: 19" Depth: 13.5" (2 rack spaces) |
| Power Handling | N/A |
| Tube Complement | N/A |
| Accessories | Includes 2-Button footswitch for activating Mute and Bass Intensifier Circuit, P/N 0065436000 |
| Cover | N/A |
| Footswitch | Includes 2-Button footswitch for activating Mute and Bass Intensifier Circuit, P/N 0065436000, US MSRP $49.99 |
| Frequency Response | (Power
Amplifier) (@ 850 watts RMS) -3dB @ 20 Hz and 40 kHz |
| SPL | N/A |
| Suggested Speaker Enclosures | SWR
WorkingPro 4x10 SWR Goliath III™ 4x10 (1) SWR WorkingPro 4x10 & (1) SWR WorkingPro 1x15 (1) SWR Goliath III 4x10 & (1) SWR Son Of Bertha™ 1x15 (1) SWR WorkingPro 4x10 & (1) SWR WorkingPro 2x10 (1) SWR Goliath III 4x10 & (1) SWR Goliath Junior III™ 2x10 (8 ohms) |
| Suggested Speaker Combinations | N/A |
| Input Impedance | N/A |
| Output Impedance | N/A |
| Sensitivity | N/A |
| Signal to Noise Ratio | N/A |
| Introduced | 7/2005 |