B500DR Programmable Bass Amplifier

The Front Panel:

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1.INPUT 1, INPUT 2: Use these jacks to connect your instrument(s) to the amplifier by means of a shielded instrument cable. Only one Input jack is active at a time, as determined by the Input switch (#2).

2.INPUT: Use this switch to select which of the Input jacks (#1) is active. The LEDs adjacent to the jacks indicate which of the Inputs is active. This feature is perfect in situations where a player switches between two instruments during a performance: you may start with the instrument connected to Input 1, for instance, then change to the instrument connected to Input 2 - without changing patch cords!

3.PAD: Use this switch to activate the input pad - if your instrument has active or high output pickups, activating the pad will allow you to set the Gain control (#4) at a more useable setting. The adjacent LED illuminates when the Pad is active.

4.GAIN: Use this control to adjust the input signal level. When a sig- nal is present the LEDs around this control act as a Peak indicator: adjust the Gain control until the two LEDs furthest clockwise flash occasionally while playing. Once you have adjusted the Gain control, the LEDs serve as a VU meter and will illuminate according to the strength of the signal from your instrument.

5.ULTRA HIGH: Use this switch to boost the high frequencies. The adjacent LED illuminates when the Ultra High is active.

6.ULTRA LOW: Use this switch to boost the low frequencies. The adjacent LED illuminates when the Ultra Low is active.

7.BASS: Use this control to adjust the low frequency output of the amplifier.

8.ULTRA MID: Use this control to adjust the midrange frequency output of the amplifier.

9.TREBLE: Use this control to adjust the high frequency output of the amplifier.

10.FX BLEND: Use this control to adjust the mix between the direct (dry) signal and the effects (wet) when the effects loop (#24-25) is used. Full counterclockwise results in all direct signal (no effect) and full clockwise gives all effect and no direct signal. The clockwise posi- tion is equivalent to a series effects loop and should be used with such devices as limiters and equalizers.

11.PRESETS: Use these switches to select one of four presets for the amplifier. Complete information on presets and programs is on page 7.

12.MASTER: Use this control to adjust the overall output level of the amplifier.

13.LIMIT DEFEAT: The B500DR employs a limiter circuit to prevent overdrive distortion at or near full power. This switch, when depressed, disables the internal limiter circuit. The adjacent LED illuminates when the limiter circuit is operating.

14.POWER: Use this switch to turn the amplifier on (top of the switch depressed) and off (bottom of the switch depressed).

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Ampeg B500DR manual Front Panel
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B500DR specifications

The Ampeg B500DR is a powerful and versatile bass amplifier, designed to provide bassists with superior sound quality, performance, and reliability. With its rich heritage rooted in the history of bass amplification, the B500DR is part of Ampeg’s legendary line-up, ensuring that it meets the high demands of both live performances and studio recordings.

One of the standout features of the B500DR is its robust 500-watt output, which delivers enough power to handle virtually any performance situation. This amp is equipped with a 4-band EQ section, allowing bassists to shape their tone with precision. The EQ comprises frequency controls for low, low-mid, high-mid, and treble, providing a wide range of tonal possibilities. The addition of a built-in compressor further enhances its capabilities, allowing players to maintain dynamic control, producing a tight and punchy sound.

The B500DR utilizes Ampeg's innovative tube preamp technology, which imbues the sound with warmth and character that solid-state amps often lack. The use of 12AX7 tubes gives the amplifier a classic tonal quality that bassists crave. This, coupled with a solid-state power section, ensures that the amp can deliver both the richness of tube sound and the reliability of solid-state performance.

Another notable feature is the Rear panel's versatile connectivity options, including XLR direct outputs, allowing for easy integration into any live or recording environment. The headphone output is perfect for practicing silently without disturbing others. Additionally, the B500DR is equipped with an auxiliary input, making it easy for players to jam along with their favorite tracks.

The B500DR's rugged construction is designed to withstand the rigors of touring. Its durable enclosure and high-quality components ensure it can handle the stresses of frequent transport. The flexible cabinet design allows it to pair well with a variety of speaker cabinets, providing even more sound options.

In conclusion, the Ampeg B500DR is a comprehensive solution for bassists looking for a powerful, flexible amplifier that doesn't compromise on tone or performance. With its advanced features, reliable technology, and exceptional sound quality, the B500DR stands out as a top choice among both professional and aspiring bass players alike. Whether on stage or in the studio, this amplifier is built to impress and deliver the goods.
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