EBS Reidmar 500 Bass Amp Head


Here's what EBS say about the Reidmar 500 Amp Head

The EBS Reidmar 500 is based on an awarded light-weight bass amp design from EBS that challenges any heavy-weight boutique amp in tonal qualities. The Reidmar takes full advantage of EBS famed analogue preamp technique combined with a Class-D power amp that benefits from a clever 'soft-clip' technique tp make optimal use of all of its power whilst preserving definition. The "500" replaces the former "470"-model with a 10% reduction in size, as well as a lower weight.

Natural sound. The EBS philosophy is to amplify the character of the instrument and the personality of the musician, to offer a natural sound. The physical aspects of a class-D power amp makes that mission a real challenge. However, the EBS Reidmar shows that anything is possible with clever engineering!

Due to advanced soft-clip technology, the Reidmar does not suffer any loss of definition in the low register when the volume is turned up. It  takes maximum advantage of the power at hand. That makes it a powerful, great sounding bass amp that is fully comparable with other heads with larger and more expensive power amps.

The Nature of the Beast. While offering a powerful and defined sound at most levels, when pushed to the limit it provides a natural and useful amp distortion, like the Drive on a solid state amp. This further extends the possibilities to use the EBS Reidmar in different musical contexts.

Technically Speaking. The analog preamp sporting EBS renowned built-in compressor and the 4-band EQ-section are really intuitive and feature the (for EBS) characteristic Bright and Notch filters. It reminds a lot of the layouts of HD360 and TD660.

The amp also features an Effects loop (send and return), Balanced XLR-out for live and studio use (with pre/post EQ switch and Ground Lift), Line out, Headphones out and Speakon speaker output.

The Reidmar use a D-class power amp providing 470 W Dynamic Output @ 4 ohms load (250 W RMS). Weight is 3.1 kg (7.0 lbs).

Perfect Companions. The EBS Reidmar matches perfectly well with a couple EBS ClassicLine mini-size 112 cabinets, the new ClassicLine 210 or the NeoLine mini-size cabinets for more clarity and punch. Or any single full size EBS cabinet of choice rated at 4 Ohms for maximum power and tone quality.

With two amps together, connected through the Effects loop (Send from one to Return on the other), you can drive two 4 ohm cabinets, getting a separate volume control for each cabinet while using the EQ from the one you plug in to.


  • Input Impedance 2 Mohms
  • Gain Range -00 - +30 dB
  • Character Filter Shelving, High/Low Pass, +7 dB @ 40 Hz, -2 dB @ 800 Hz,
  • +3 dB @ 10 kHz
  • Tone Controls,
  • Bass Shelving +/-18 dB @ 60 Hz
  • Mid Bandpass Filter 100 – 6000 Hz +/- 12-15 dB
  • Treble Shelving +/-18 dB @ 6 kHz
  • Bright Shelving +15/-0 dB @ 10 kHz
  • Balanced Output -10 dBv, Pre/Post EQ, GND Lift
  • Output Power 250 W RMS / 470 W Dynamic Output @ 4 ohms load
  • Dimensions (WxDxH) 12.8 x 9.8 x 3.0” (32.5 x 25 x 7.5 cm)
  • Weight 3.1 kg (7.0 lbs.)
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