Ampeg Introduces B4R Bass Head

August 24, 1998

(Click for a close-up)

Ampeg introduced the new B4R this summer. The rackmount head boasts 1000 watts of mono-bridged power with new "texture" and "style" selectors for unique tone control.

The B4R's five position "style" control allows the player to choose from five different preamp settings. In addition, the "texture" control activates Ampeg's patented tube emulation circuit for a wide range of tones.

Other features of the B4R include: biampable operation, nine band graphic EQ, Optocoupler limiters, internal 24 dB/octave crossover, parallel/series effects loop with blend control, line out level control, XLR balanced output with ground lift and pre/post EQ line out switch to name just a few.

Ampeg product manager Tony Moscal states that "the B4R was designed as a professional bass amp offering high power and the flexibility of solid state design with new sound options via new controls and patented tube emulation circuit."

The B4R is covered by Ampeg's five year warranty and lists for $1,249.00.

Specs:

1000 Watts Mono-Bridged @ 4 Ohms
700 Watts Mono-Bridged @ 8 Ohms
500 Watts X 2 @ 2 Ohms
350 Watts X 2 @ 4 Ohms
200 Watts X 2 @ 8 Ohms
High Slew Rate Mosfet Power Amp Design
Input Gain Control With Peak Led
Dual 1/4" Inputs
Footswitchable Mute Function
Solid State/Tube "Texture" Switch
Three Bands Of EQ
Nine Band Graphic EQ
Graphic EQ Level Control
Panel Or Footswitchable Graphic EQ
Optocoupler Limiters
Internal 24 dB/Octave Crossover
Linkwitz-Riley State Variable Filters
50 - 1K Hz Variable Crossover Point
High/Low Balance Control
Tuner Out Jack
Parallel/Series Effects Loop With Blend Control

Line Out Level Control
XLR Balanced Output With Ground Lift
1/4" Line Outs
Pre/Post EQ Line Out Switch
1/4" Biamp High And Low Outputs
Dual Preamp Out/Power Amp In Patch Points
Stereo/Mono Bridge Switch
Full Range/Biamp Switch
1/4" And Bind Post Speaker Outs
15 Amp Circuit Breaker
Continuously Variable-Speed Fan
Internal Fuses
Abundant Filter Capacitors
1/8" Steel Front Panel
16 Gauge Steel Chassis
Insulation Displacement Connectors
Relay Protected Outputs
Computer Assisted Circuit Board Layout
19" X 15" X 5.25"
39 Pounds

For more information, visit their web site at http://www.ampeg.com/.

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