mini comp manual 8/16/01 1:48 PM Page 1 ® Mini-Pre Vacuum Tube Microphone PreAmp User Manual
mini comp manual 8/16/01 1:48 PM Page 2 IMPORTANT SAFETY INSTRUCTIONS WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING: CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN A T T E N T I O N : RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR W A R N I N G : TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products.
mini comp manual 8/16/01 1:48 PM Page 3 IMPORTANT SAFETY INSTRUCTIONS LITHIUM BATTERY WARNING CAUTION! This product may contain a lithium battery.There is danger of explosion if the battery is incorrectly replaced. Replace only with an Eveready CR 2032 or equivalent. Make sure the battery is installed with the correct polarity. Discard used batteries according to manufacturer’s instructions. ADVARSEL! Lithiumbatteri - Eksplosjonsfare.
mini comp manual Mini-Pre 8/16/01 1:48 PM Page 4 Service Contact Information Service Contact Information 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.
mini comp manual 8/16/01 1:48 PM Page 5 Warranty Information Mini-Pre Warranty Information 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.
mini comp manual Mini-Pre 8/16/01 1:48 PM Page 6 Introduction and Features Introduction and Features 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 MiniPre.
mini comp manual 8/16/01 1:48 PM Page 7 Connections\Operation Mini-Pre Rear Panel Descriptions (from left to right) 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.
mini comp manual Mini-Pre 8/16/01 1:48 PM Page 8 Connections\Operation 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. Front Panel Descriptions (from left to right) 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.
mini comp manual 8/16/01 1:48 PM Connections\Operation Page 9 Mini-Pre +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.
mini comp manual 8/16/01 1:48 PM Mini-Pre Page 10 Applications 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.
mini comp manual 8/16/01 1:48 PM Page 11 Mini-Pre Specifications Microphone Input Connector: Type: Impedance: Maximum Input Level: CMRR: Equivalent Input Noise: Female XLR Pin 2 Hot Electronically balanced/unbalanced 2kΩ -10 dBu or +10 dBu with 20 dB pad engaged Typically >80dB at 1kHz Typically -125 typical dBu with a 150Ω source load “A-weighted” Line Input Connector: Type: Impedance: Maximum Input Level: Gain TS 1/4" Jack Electronically unbalanced >1 meg Ω 0 dBu or +20dBu with 20dB pad engaged 2
mini comp manual 8/16/01 1:48 PM Page 12 ® A Harman International Company 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: customer@dbxpro.com or visit our World Wide Web home page at: www.dbxpro.