SWR Redhead Bass Combo Amplifier

Model Name	Redhead™
Model Number	44-20100-010 (120V US)
Series	Professional Combo Series
Type	Bass Combo Amplifier
Description	400 watt, 2x10 + tweeter combo amplifier packed with professional features and a built in rackspace for the effects unit of your choice. Comes standard with caster wheels and a front cover that doubles as a stand. In celebration of the 20th anniversary of the introduction of the Redhead™ combo, this often copied, but never duplicated amplifier has been upgraded and updated.
Features	Two 10" Eminence speakers Foster horn SWR® preamp with Aural Enhancer™ Tube Direct Out with front panel controls Compressor circuit 3-band active EQ "Pull Turbo" bass boost "Pull Transparency" high end expansion Side-chain effects loop with Blend control Tuner Out FRONT PANEL: Tuning Mute Internal Speaker Defeat switch Tube Direct Out Mute Steel reinforced front cover/tilt-back stand Cabinet-mounted attenuator for Foster horn Tuning mute (sliding switch) 1/4" inputs (Active & Passive) Gain control (with Pre Amp clip LED) Aural Enhancer™ control Bass control (with "Pull Turbo") Mid-Range Level control Mid-range Frequency control Treble control (with "Pull Transparency") Compressor control (with Compression LED) Master Volume control (with Power Amp clip LED) Tube DI Line/Direct (sliding switch) Tube DI Mute/Line (sliding switch) Tube DI Ground Lift (sliding switch) Tube DI Pad control 1/4" Headphone jack Effects Blend control Internal Speaker On/Off (rocker switch) Power On/Off (rocker switch) BACK PANEL: AC power outlet (120V version only) AC power input 1/4" internal speaker jack Speakon® & 1/4" external speaker jacks 1/4" Tuner Out jack Effects Loop (1/4" Send/Return) Tube DI Outputs (XLR & 1/4") INTERNAL FEATURES: (2) 12AX7 Preamp Tubes - (Preamp & Tube DI) Cooling fan TUNING: Front slot port. Specially designed to eliminate unwanted noise. CROSSOVER: Third order, 6db rolloff, 18db butterworth high pass 4KHz turnover. The crossover is located inside the Redhead's chassis. INTERNAL VOLUME: 2.45 cubic feet CABINET CONSTRUCTION: 5/8" 7 ply, Maple or Birch plywood construction, waterproof glue. All joints Dado and Rabbet, glued and nailed. Extremely heavy bracing.
Power Output	400 Watts @ 4 Ohms (with internal speakers only) 525 Watts @ 2.67 Ohms (with 8 ohm extension speaker) 650 Watts @ 2 Ohms (with 4 ohm extension speaker, US and Canada Only) Note: Internal speaker impedance is 4 ohms
Impedance (Ohms)	4 Ohms
Speakers	(2) 10" custom-designed 8 ohm Eminence® drivers, P/N 0074455000, (1) Foster® Horn, P/N 0066395000
Channels	1 Channel
Controls	Mute On/Off Switch Active/Passive Instrument Inputs Gain with Preamp Clip Indicator LED Aural Enhancer, Bass with Pull "Turbo" Midrange with Level and Frequency, Treble with Pull "Transparency" Compressor with Indicator LED Master Volume with Power Amp Clip LED Tube DI Control: Line Level/Direct Switch, Mute/Line Switch, Ground Lift Switch, XLR Pad, Headphone Jack Effects Blend - Wet/Dry Internal Speakers On/Off Switch Power On/Off Switch
Covering	Black carpeting with stack lock corners and chrome stamped steel vibration-free grille
Weight	80 lbs. total with cover
Dimensions	Height: 21.25" Width: 22.5" Depth: 16" (with the front cover attached, the depth is increased to 16.75")
Power Handling	400 watts (internal @ 4 Ohms), 650 watts (@ 2 Ohms with 4 Ohm extension speaker)
Tube Complement	Two 12AX7 (Preamp & Tube DI)
Accessories	N/A
Cover	Uses Cover P/N 0066186000, US MSRP $49.95 (Not Included)
Footswitch	N/A
Frequency Response	N/A
SPL	N/A
Suggested Speaker Enclosures	Goliath III™ Big Ben™ Son Of Bertha™
Suggested Speaker Combinations	N/A
Input Impedance	Passive: 1MOhm Active: 130kOhm Effects Return: 10kOhm
Output Impedance	Effects Send: 220 Ohms Tuner Send: 220 Ohms Tube DI Line Out: 600 Ohms
Sensitivity	N/A
Signal to Noise Ratio	-74 dB (<10 milivolts typical)
Introduced	1/2008
Notice	Product Prices, Features, Specifications and Availability Are Subject To Change Without Notice