dbx Mini-Pre Vacuum Tube Microphone PreAmp Operation & User’s Manual

2, WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING: KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS CLEAN ONLY WITH A DAMP CLOTH. DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN ACCORDANCE WITH THE MANUFACTURERS INSTRUCTIONS. DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADI- ATORS, HEAT REGISTERS, STOVES; OR OTHER APPARATUS (INCLUDING AMPLIFIERS) THAT PRODUCE HEAT. ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE …

3, U.K. MAINS PLUG WARNING A molded mains plug that has been cut off from the cord is unsafe. Discard the mains plug at a suitable disposal facility. NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG INTO A 13 AMP POWER SOCKET. Do not use the mains plug with- out the fuse cover in place. Replacement fuse covers can be obtained from your local retailer. Replacement fuses are 13 amps and MUST be ASTA approved to BS1362. LIT…

4, If you require technical support, contact dbx Customer Service. Be prepared to accurately describe the problem. Know the serial number of your unit - this is printed on a sticker attached to the bottom of the unit. If you have not already taken the time to fill out your warranty registration card and send it in, please do so now. Before you return a product to the factory for service, we recommend you refer to the manual. Make sure you have correctly followed installation steps and operation procedures. If you are still unable…

5, This warranty is valid only for the original purchaser and only in the United States. 1. The warranty registration card that accompanies this product must be mailed within 30 days after purchase date to validate this warranty. Proof-of-purchase is considered to be the burden of the consumer. 2. dbx warrants this product, when bought and used solely within the U.S., to be free from defects in materials and workmanship under nor…

6, Congratulations on your purchase of the dbx Mini-Pre! For 30 years, dbx has been the industry leader in dynamics processing. With the introduction of the MINI-PRE, we are now able to offer our superior dynamics processing technology in a compact and affordable product design. This manual will be your guide to understanding the full functionality of the Mini- Pre. After you have become familiar with the unit, we encourage you to experi- ment and find creative ways that the MINI-PRE can help you make a better sound- ing mix. Mini-Pre Features-…

7, Power Supply Connector Connect the included PS 0913 power supply at this point. Power Supply Cord Strain Relief To prevent any untimely power supply interruptions, it is recommend that the power supply cable be looped over the hook of the power supply cord strain relief. XLR Output Connector The XLR output of the Mini-Pre is balanced. The XLR output is ideal for running from the Mini-Pre directly into the input of a XLR input of a mixing console. Note: The XLR and 1/4” output connectors can …

8, 1/4” Balanced TRS Input Connector The 1/4” input connector of the Mini-Pre is unbalanced TS. The 1/4” input is ideal for running instrument cables directly into the Mini-Pre. Input Gain Control +24 to +60dB Use the Input gain control to set the overall amount of input gain being fed into the Min-Pre. Turning the Gain control clock wise will increase the gain from +24 to +60dB. Stages include: +24 to 60dB and +6 to +40dB (+20dB pad). Peak LED The red Peak LED is used to indi…

9, dbx Mini-Pre Vacuum Tube Microphone PreAmp +48volt Switch The +48 volt switch (pushed in) is used to supply power to any microphone that requires +48volt phantom power. +20dB Pad Switch The +20dB Pad switch is used to select the desired gain range of the Mini-Pre. When the switch is not depressed, the Mini-Pre is in normal +26 to 60dB mode. When the +20dB Pad switch is pressed, the gain range of the Mini-Pre is +6 to +40dB. Phase Switch The Phase switch of the Mini-Pre is used to adjust the phase output of the unit. When the switch is depressed (out) the output is normal, or in p…

10, dbx Mini-Pre Vacuum Tube Microphone PreAmp Mini Tube Pre Applications In addition to being designed specifically for portable desktop tube microphone preamp applications, the Mini Tube Pre is also ideal to be used in numerous other applications. These applications include the following: Live Applications The Mini-Pre is perfect for live vocal microphones and instruments. This is ideal to use with a vocal mic’ or instrument to warm the tone that can sometimes b…

11, dbx Mini-Pre Vacuum Tube Microphone PreAmp Microphone Input Connector: Female XLR Pin 2 Hot Type: Electronically balanced/unbalanced Impedance: 2kΩ Maximum Input Level: -10 dBu or +10 dBu with 20 dB pad engaged CMRR: Typically >80dB at 1kHz Equivalent Input Noise: Typically -125 typical dBu with a 150Ω source load “A-weighted” Line Input Connector: TS 1/4" Jack Type: Electronically unbalanced Impedance: >1 meg Ω Maximum Input Level: 0 dBu or +20dBu with 20dB pad engaged Gain 26dB to 60d…

12, dbx Mini-Pre Vacuum Tube Microphone PreAmp 8760 South Sandy Parkway Sandy, Utah 84070 Phone: (801) 568-7660 Fax (801) 568-7662 Int’l Fax: (801) 568-7583 E-mail us at: [email protected] or visit our World Wide Web home page at: www.dbxpro.com A Harman International Company ® 18-1304 mini comp manual 8/16/01 1:48 PM Page 12 …