Aguilar DB 728 Manual

400-watt tube power amp

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Model DB 728
400-Watt Tube Power Amp
Congratulations on purchasing Aguilar Amplification's DB 728 Tube Power
Amp! The DB 728 is an extremely rugged tube amplifier optimized for bass. Ten
vacuum tubes generate 400 Watts of harmonically rich tone. Custom designed
toroidal transformers provide an ultra-wide frequency response.
In addition to sounding great with any active or passive four string bass, the DB
728 will musically and accurately reproduce the extended range of modern five
and six string basses.
All Aguilar products are hand made in N.Y.C.
www.aguilaramp.com

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Summary of Contents for Aguilar DB 728

  • Page 1 Model DB 728 400-Watt Tube Power Amp Congratulations on purchasing Aguilar Amplification’s DB 728 Tube Power Amp! The DB 728 is an extremely rugged tube amplifier optimized for bass. Ten vacuum tubes generate 400 Watts of harmonically rich tone. Custom designed toroidal transformers provide an ultra-wide frequency response.
  • Page 2 Specifications and features: All noise measurements are unweighted. Input Sensitivity: 0 dBm for maximum output. Output Power: 400 watts RMS. This is into 2, 4, or 8 ohms. Noise: -80 dB Fuses: 1 external 12 amp for 100 – 120 VAC operation. (6 amp for 220 –...
  • Page 3: Rear Panel

    Components and workmanship: Only the highest quality components and workmanship are used in Aguilar products. Input Interfaces: Rear Panel Input: The output signal from your preamp is plugged into the input. An ordinary guitar cable is the appropriate cable to use.
  • Page 4 If your speaker cabinet is 8 ohms (this information is usually on the jack plate of the speaker cabinet) simply set the impedance switch to 8 ohms. The same applies for a single 2 or 4 ohm cabinet. If you are using two 8 ohm cabinets in parallel (both connected directly to the back of the amp), the impedance value is halved, and the impedance switch should be set to 4 ohms.
  • Page 5: Limited Warranty

    Tubes are covered by the warranty for a period of six months. The warranty period starts from the date of purchase from an authorized Aguilar dealer. Your sales slip or purchase invoice is necessary for warranty service.

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