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Product Description
The EBS TD660 is a high-powered, professional-grade bass amplifier head known for its robust performance and tonal versatility. Delivering 660 watts of solid-state power, the TD660 is designed to handle both studio sessions and demanding live performances with ease. It features a tube preamp section that adds warmth and character to the tone, paired with EBS’s renowned multiband compressor, powerful EQ controls, and a bright filter for precise tonal shaping. With its rugged build and high-quality components, the TD660 is a favorite among serious bassists seeking a balance of clarity, punch, and reliable headroom.
Product Specs/Additional Information
Power Output:
660 W RMS @ 2 ohms (dynamic output)
540 W RMS continuous
Drive Type: Switchable Solid State or Tube (ECC 83 / 12AX7)
Drive Gain Range: 0 – 34 dB
Input Impedance: 1 MΩ
Frequency Response: 35 Hz – 20 kHz
Tone Controls:
Bass: ±15 dB @ 100 Hz
Middle: ±12 dB sweepable from 50 Hz to 3 kHz (Q=0.5)
Treble: ±15 dB @ 6 kHz
Bright: 0/+12 dB @ 10 kHz
Compressor: Built-in adjustable compressor/limiter (max ratio 3:1)
Speaker Impedance: 2 – 8 ohms
Dimensions: 19″ x 14″ x 3U (48 cm x 36 cm x 13 cm)
Weight: 12 kg / 27 lbs
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Product Description
The EBS TD660 is a high-powered, professional-grade bass amplifier head known for its robust performance and tonal versatility. Delivering 660 watts of solid-state power, the TD660 is designed to handle both studio sessions and demanding live performances with ease. It features a tube preamp section that adds warmth and character to the tone, paired with EBS’s renowned multiband compressor, powerful EQ controls, and a bright filter for precise tonal shaping. With its rugged build and high-quality components, the TD660 is a favorite among serious bassists seeking a balance of clarity, punch, and reliable headroom.
Product Specs
Power Output:
660 W RMS @ 2 ohms (dynamic output)
540 W RMS continuous
Drive Type: Switchable Solid State or Tube (ECC 83 / 12AX7)
Drive Gain Range: 0 – 34 dB
Input Impedance: 1 MΩ
Frequency Response: 35 Hz – 20 kHz
Tone Controls:
Bass: ±15 dB @ 100 Hz
Middle: ±12 dB sweepable from 50 Hz to 3 kHz (Q=0.5)
Treble: ±15 dB @ 6 kHz
Bright: 0/+12 dB @ 10 kHz
Compressor: Built-in adjustable compressor/limiter (max ratio 3:1)
Speaker Impedance: 2 – 8 ohms
Dimensions: 19″ x 14″ x 3U (48 cm x 36 cm x 13 cm)
Weight: 12 kg / 27 lbs








