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Product H83817

EBS Classic T90 90W Tube Bass Amp Head

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The Classic T90 90W Tube Bass Amp Head is developed by amp experts with more than 20 years experience from building exclusive tube amps for hi-fi and...Click To Read More About This Product

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A hand-built tube amp with special designed transformers and selected and matched tubes from EBS.

The Classic T90 90W Tube Bass Amp Head is developed by amp experts with more than 20 years experience from building exclusive tube amps for hi-fi and guitar. The result is a hand-crafted tube amp that will exceed any expectations with tone and power.

The 90 tube-Watts makes the EBS Classic T90 a perfect amp for the studio, especially since it comes with a direct driven balanced tube output. The amp is also very well suited for use in live situations.

The specially designed transformers are over-dimensioned and all materials are carefully selected to perform at a maximum level - at all times. The tubes are quality selected and matched with precision, and burnt-in for 24 hours after mounted in the amp to reveal any quality issues in time.

The amp has a separate input for active and passive instruments and a separate output for 4 Ohms and 8 Ohms speaker cabinets. The control panel has a classic style layout with controls for Volume, Bass, Treble and Presence.

  • 100% Tube amp
  • Direct driven tube XLR-output
  • Active/Passive inputs
  • 4 and 8 ohms outputs
  • Volume, Bass, Treble and Presence controls
  • 90 W pure tube power
  • Quality selected and matched tubes

Carefully designed for the stage and studio. Get yours today!

  • Nominal Input Level: -18dBv (passive), -8dBv (active)
  • Input Impedance: 1Mohms (passive), 100kohms (active)
  • Tone Controls: Bass +/-12dB @80Hz; Treble +/-12dB @8kHz; Prescence 0 - +12 dB @5kHz (pwr amp eq)
  • Balanced Output Level: -10dBv
  • Power Output: 90W RMS
  • Tube Selection: 2x 6550 power tubes; 1x 7025 now noise selection; 1x 12AT7, 2x 12AU7
  • Dimensions (WxHxD): 21.1”x10.5”x9.57” / 53.7x26.7x24.3 cm
  • Weight: 16.7 kg / 37 lb.

Review Snapshot

by PowerReviews
EBSClassic T90 90W Tube Bass Amp Head

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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(14 of 14 customers found this review helpful)



By CameronBoeBameron

from Salt Lake, UT

About Me Professional Musician

Staff Reviewer


  • Cosmetically Beautiful
  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable
  • Sturdy


  • Low Wattage

Best Uses

  • Amateur Recording
  • Home Studio
  • Professional Recording
  • Small venues
  • Venues with PA

Comments about EBS Classic T90 90W Tube Bass Amp Head:

This is an absolutely phenominal amp for the price you're paying. After only being able to find a handfull of videos and reviews, I felt that I was making a gamble when I ordered this.
Fortunately, the odds came up in my favor. The sound can't be beat for the money, and it's lighter than any other all-tube head you'll find. Also, it's the best sounding head for recording I've ever come across. Plug in direct, or mic it, either way it sounds great.
The only real drawback is that 90 watts won't hold up to my friend's 200 watt Orange Thunderverb. Still, in my band with two guitar players that each use 100 watt tube amplifiers, it's more than sufficient, and when my friend with the Thunderverb plays shows at venues that have a PA, they always make him turn his master volume down anyway.
Even if you just want to test this guy out, you've got 45 days to decide if you want to keep it.

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