Ampeg manual An Introduction to your new Ampeg B4R Bass Amplifier, Features

B4R Bass Amplifier

An Introduction to your new Ampeg B4R Bass Amplifier

Thank you for making one of the best choices you will ever make for your musical career – choosing one of the finest bass amps available, the Ampeg B4R. This versatile and powerful bass amplifier delivers up to 1350 watts of unsurpassed musical power, and offers several outstanding features.

All of the features and controls of your B4R are covered in detail within the pages of this owner’s guide. We recommend going over them before you use the amplifier.

Features

In the world of high performance bass amps, Ampeg amplifiers stand alone. In true Ampeg tradition, the B4R offers you more power, performance and flexibility than any other bass amplifier in its class. The out- standing features of your new amplifier, features which set it apart from the competition, are listed below.

•DUAL SEPARATE POWER AMPLIFIERS: Operate in true stereo or mono bridged mode for even greater output power (page 6,8,9).

•BIAMP CAPABLE: Adjustable crossover frequency control. Low-to-high frequency balance control (page 5,8,9).

•5-POSITION STYLE CONTROL: Take your pick from five different tone variations to best suit your playing style (page 4).

•TEXTURE CONTROL: Changes your tone for a more aggressive sound (page 4).

•9-BAND GRAPHIC EQ: Switchable at front panel or with a footswitch, you can use this as a “second channel” for bass solos, or to shape your sound to your own exact- ing standards. An independent level control lets you adjust the Graphic EQ volume. (page 5).

•EFFECTS MIX: Varies the amount of external effects mixed into the signal (page 4,5).

•TUNER OUT JACK: Allows connection to an electronic tuner and provides an “always live” monitor feed even when the output is muted (page 7).

•HEAVY-DUTY SPEAKER JACKS: For more reliable connections at higher outputs

and for mono bridged connections: dual binding posts (domestic units) or Speakon® jacks (export units) (page 6,7).

•BALANCED AND UNBALANCED LINE OUTPUTS: Independent level control. Balanced XLR and unbalanced 1/4” output jacks. Switchable pre or post EQ (page 7).

•EFFECTS LOOP: Connect your effects here for increased intensity and quieter oper- ation (page 7).

•POWER AMP IN/PREAMP OUT: Two separate loops, one for each channel: a sepa- rate preamp may be connected to the Power Amp In jack, and the Preamp Out jack may be connected to a slave amp (page 6,7).

•FOOTSWITCH CONTROL: Use a footswitch to activate the Graphic EQ and the Mute feature (page 6,7).

•CIRCUIT BREAKER PROTECTION: A heavy duty resettable circuit breaker provides protection against fault conditions (page 6).

Speakon® is a registered trademark of Neutrik AG.

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