Model Name

550 X™

Model Number

44-00700-000

Series

X Series

Type

Bass Amplifier Head with SubWave™ and OverDrive

Description

Xtra power, xtra lows from the newest member of the X Series. SWR®'s 550x takes the 350x's top-selling feature set to new heights - 550 watts @ 4 ohms - and new lows with the SWR Subwave octave generator. World-famous SWR professional tone and power in a convenient two-rack-space configuration. (Subwave footswitch included.).

Features

FRONT PANEL FEATURES
Ultra-High-Polished Aluminum Front Panel
Dual independent input jacks compatible
for both active and passive instruments
Gain control with LED peak clipping indicator
Our exclusive Aural Enhancer™ circuitry
Subwave (with Level control)
Subwave Illuminated on/off switch
Limiter
Limiter Defeat Switch
Active bass and treble controls
Variable mid-range EQ
Effects Blend Control
Master Volume Control
Rack mountable
Chrome Rack Handles
Power On/Off Switch
Aluminum chassis

REAR PANEL FEATURES
Sidechain mono effects loop
Balanced XLR Output
XLR Mode Switch (Direct, Line, or Direct + Sub)
Tuner Send
Subwave Footswitch Jack
Two 1/4" Speaker Output Jacks
Two Speakon® Speaker Output Jacks
Speaker fuse: 3AG, 10 Amp, Fast Blo
Line Fuse: 3AG, 10 Amp, Slow Blo
AC Line Receptacle

INTERNAL FEATURES
All tube preamp gain stages
(1) 12AX7 Preamp Tube
Cooling Fan

Power Output

550 watts @ 4 ohms
375 watts @ 8 ohms
(minimum impedance = 4 ohms)

Impedance (Ohms)

N/A

Speakers

N/A

Channels

1 Channel

Controls

Gain with preamp clip indicator,
Aural Enhancer,

SubWAVE:
On/Off Switch
Level

Bass,
Midrange:
Frequency,
Level,
Treble,
Effects Blend with pull defeat switch,
Master volume

Covering

Polished aluminum

Weight

26 lbs.

Dimensions

Height: 19"
Width: 3.5"
Depth: 14.5"
(2 rack spaces)

Power Handling

N/A

Tube Complement

(1) 12AX7 Preamp Tube

Accessories

Includes SubWave Activator Footswitch P/N 0066249000

Cover

N/A

Footswitch

Includes SubWave Activator Footswitch P/N 0066249000

Frequency Response

(Power Amplifier): -3dB @ 20Hz and 40KHz

SPL

N/A

Suggested Speaker Enclosures

Big Bertha™
Henry 8x8™
Goliath III™
Goliath Senior™
12 Stack™ 4x12

Suggested Speaker Combinations

(2) Goliath III
(2) Son Of Bertha
(1) Goliath III & (1) Son Of Bertha
(1) Goliath III & (1) Big Ben™
(1) Goliath III & (1) Goliath Junior III™ 8 ohms
(2) 12 Pack 2x12's

Input Impedance

N/A

Output Impedance

N/A

Sensitivity

N/A

Signal to Noise Ratio

N/A

Introduced

2003

Notice

Product Prices, Features, Specifications and Availability Are Subject To Change Without Notice