Aguilar DB 900 Owners Manual

1

Model DB 900
Tube Direct Box

Congratulations on purchasing Aguilar Amplification’s DB 900 Tube Direct Box!

The DB 900 is the first truly high-quality tube direct box. It features an ultra low
distortion circuit and sounds warm and open throughout the entire frequency range.

The DB 900 Tube Direct features:

♦All tube circuit design
♦High Headroom, Low Distortion
♦Transformer (Jenson) balanced output
♦10-year limited warranty

Specifications:

Input Impedance: 12.8 M ohm
Balanced Output Impedance: 880 ohm
Unbalanced Output Impedance: 150 ohm
Noise: -98 db
Distortion: .025%
Bandwidth (balanced into 600ohm): 10 Hz to 40 kHz +/- .5db
Bandwidth (unbalanced into 10K): 10 Hz to 100 kHz +/- .5 db
Unbalanced level out: Unity
Balanced level out: -20.5 db
Tube Compliment: one 12Ax7
Output Transformer: Jensen DBE
Operating Voltage: 100, 120, or 230 VAC

All Aguilar products are hand made in N.Y.C.

www.aguilaramp.com

2

Limited Warranty

Aguilar Amplification’s DB 900 tube direct box is warranted to the original owner for a
period of ten years from the date of purchase against defects in materials and
workmanship. 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 ([e-mail])
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.