8 - 6550 vacuum tubes are at the heart of this amp. Ultrawide frequency response is accomplished through the use of a specially designed toroidal output transformer. It's built for the road and has a ... Read More
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8 - 6550 vacuum tubes are at the heart of this amp. Ultrawide frequency response is accomplished through the use of a specially designed toroidal output transformer. It's built for the road and has a reputation for extreme reliability. Features include 2 sets of speaker outputs in both banana plug and 1/4" configurations and a preamp thru for hooking up multiple power amps. The DB 728 has a "soft start" for the regulated screen voltage, a feature found only on the best audiophile amps. 2 large whisper-quiet fans keep the amp cool and have high and low speeds for nearly silent operation.
Power output: 400W RMS. Into 2, 4, or 8 ohms
Transformers: Custom-designed toroidal output transformer for ultrawide bandwidth Power transformer is also toroidal
Outputs: Speakon connectors and 2 - 1/4" outputs
Inputs: One 1/4" unbalanced input and one input thru for patching a preamp signal thru to an additional power amp
Output Impedance Selector: A 3-position switch provides switching for 2, 4, and 8 ohms
Calibration: 2 bias trim pots, plus a driver balance trim pot, provide for perfect calibration of the unit
Cooling: 2 whisper-quiet fans regulate the operating temperature of the amp
Weight: 57 lbs.
Chassis: High-quality aluminum construction provides sturdiness without excessive weight
Aguilar Amplification's DB series of electronics are covered under warranty to the original owner for a period of ten years from the date of purchase against defects in materials and workmanship. AG series electronics, GS series speaker cabinets, and S series speaker cabinets are covered by the warranty for a period of 3 years. 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.
Before sending your unit to Aguilar for repair, you must receive a return authorization number from us. Contact us via phone, fax, or email (email@example.com) with a description of the problem. We will then issue to you a return authorization number.
You are responsible for all shipping charges. You must ship the unit to us freight prepaid. We will return the unit to you freight collect. If the unit is being sent from outside the United States you will also be responsible for customs brokerage, if applicable. Please check with your freight forwarder for assistance.
Aguilar Amplification LLC is not responsible for shipping damage, either to or from our service center. Claims must be filed with the carrier.
The only company authorized to perform work under this warranty is Aguilar Amplification LLC of New York, NY.