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SKU:BBG 4836

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650 Watts into 2 ohms. Switchable Tube/Solid State Drive Control. Comp/Limiter. 9 Volt Phantom Power System


The EBS TD660 is a versatile Tube/Solid State Hybridge Bass Amp that is suited for any large venue, and any style of music. It is the most reliable of bass amps to bring on tour!

EBS Tube Definition (TD) heads have served big productions such as world tours with Bon Jovi, Kid Rock and Tina Turner, intimate tours with demanding bass players like Marcus Miller as well as loud and rough tours with hard working bands like The Haunted (with well over a 1, 000 gigs on EBS TD heads) or Danko Jones.

Just being reliable is not enough. These heads also offer incredible tone; natural and true to the character of the instrument and personality of the musician using it.

With 660 W RMS pure output power it will always rock the house. It is a Tube/Solid State hybrid bass amp. The tube in the Drive section warms up the sound and adds a nice natural compression and character of a tube amp. The tube can be easily bypassed with the Tube Mode-button, which means if the tube breaks suddenly, you can use the amp safely by just disconnecting it. That gives you the option to run the head completely Solid State whenever you want too. The TD heads are very well suited for major tours and are the most common EBS amps with backline rental companies.

The controls (from left to right) feature a Character filter, which is a quick fix to a decent sound by offering a mid-scooped overall tone. Then the input Gain control that should be set so it flickers when you play your instrument hard (which is important with all EBS heads). The Filter Active button to activate the EQ filters, then the shelving Bass filter, the advanced Middle filter where you pick the frequency range you'd like to adjust with the right control and cut or boost in that range with the left control.

Don't forget the clever "Notch"function. When the Cut/Boost control is set to "Notch"you can identify and scoop out frequencies causing unwanted feedback with the Frequency control. It is very useful in rumbling venues that may pick up certain frequencies, or when you get feedback from an instrument, such as an upright bass.

Next control is the shelving Treble filter and then the unique Bright filter, which is almost like a volume control for the cabinet's tweeter. When turned up it opens up the sound and makes the tone huge and alive.

The Drive on the TD heads offer extended options like the Tube Mode (to connect the tube), and Boost Mode. Boost Mode boosts the whole frequency range when turning up the Drive, adding distortion to the whole spectra. Finally there's the balanced XLR output, that lets you send a perfectly balanced line signal to front of house or in the studio without the need of an external line box. You can choose between post/pre EQ, with our without Speaker Simulation and Ground lift.

The input jack has a unique feature when a stereo cable is used as it offers 9v DC of Phantom Power Output, that can be used to power a single 9V DC EBS Pedal or Active onboard pre that can utilize Phantom Power.

If you take a look at the back panel, you'll find all the extras you cannot be without! There's the Effects Loop, featuring a Mix level control that lets you blend in all effects hooked up through the loop with your sound, from zero to a hundred percent. Effect Return also offers the same Phantom Power function that you find on the Input jack at the front. There is a Tuner output, for connecting a tuner rack unit easily. You have a Line out, in case you need the power from another amp to drive a second pair of cabinets, and finally the Filter Remote Inputs to connect the RM-4 footswitch that lets you switch on and off Character, Filter Bypass, Drive and Mute from front of stage.


  • Input Impedance:1 Mohms

  • Frequency Response:35 - 20.000 Hz

  • Maximum Compression Ratio (Compressor):3:1

  • EQ Section

  • Treble: +/- 15 dB @ 6 kHz

  • Bright: -0/+12 dB @ 10 kHz

  • Midrange: +/- 12dB @ 50 - 3.000 Hz, Q = 0.5

  • Bass: +/-15 dB @ 100 Hz

  • Drive Gain Range: 0 - 34 dB

  • Drive Type: Solid State or Tube (ECC 83)

  • Speaker Impedance: 2 - 8 Ohms

  • Continuous Output Power:Dynamic Output Power 660 W RMS @ 2 ohms,

    Continuous Output Power 540 W RMS

  • Dimensions (W x D x H):19" x 14" x 3"

  • Weight: 12 kg / 27 lbs


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