dbxAudio EquipmentSKU 676
dbx 676 Tube Microphone Preamp Channel Strip
The dbx 676 Tube Microphone Preamp Channel Strip is a professional audio channel strip featuring a Class-A 12AU7A vacuum tube preamplifier. It provides balanced XLR and unbalanced ¼” line outputs, supporting +48V phantom power and a 20dB pad. Procure.ae supplies this unit for businesses in the UAE.
The dbx 676 delivers high-fidelity signal processing with a Class-A 12AU7A tube preamp powered by +250V DC grid and +12V DC heater supplies. It features a female XLR Pin 2 Hot mic input at 1.9 kΩ impedance, alongside a Tip-Sleeve ¼” instrument input rated for +21dBu unbalanced signals. The unit includes a sidechain insert with 1 kΩ output and 50 kΩ input impedance, ensuring precise control over dynamic processing.
Output options include Male XLR and Tip-Ring-Sleeve ¼” connectors, offering balanced 30 Ω and unbalanced 15 Ω impedances with max levels exceeding +21 dBm into a 600 ohm load. Frequency responses reach 20 Hz to 50 kHz for mic inputs and 30 Hz to 70 kHz for instruments. Controls include an instrument selector, +48V phantom power via 6.81 kΩ resistors, and a 20dB pad switch.
Type
Tube Microphone Preamp Channel Strip
- Tube Preamp Circuitry
- Input Connectivity Options
- Balanced Output Configuration
Delivery across UAE & GCCDubai, Abu Dhabi, Sharjah & beyond
Manufacturer warrantyBacked by the brand
InstallationArranged on request
Key features
01
Tube Preamp Circuitry
Features a Class-A 12AU7A / ECC82 vacuum tube preamplifier powered by +250V DC grid and +12V DC heater supplies.
02
Input Connectivity Options
Provides a female XLR Pin 2 Hot mic input at 1.9 kΩ impedance and a Tip-Sleeve ¼” instrument input at 500 kΩ for +21dBu unbalanced signals.
03
Balanced Output Configuration
Outputs via Male XLR and Tip-Ring-Sleeve ¼” connectors with balanced 30 Ω impedance, supporting maximum levels greater than +21 dBm into a 600 ohm load.
04
Signal Processing Controls
Includes an instrument input selector switch, +48V phantom power via 6.81 kΩ resistors, and a 20dB pad switch for microphone input levels.
Specifications
9 specificationsGeneral
Model676
TypeTube Microphone Preamp Channel Strip
Audio
Audio InFemale XLR, Tip-Sleeve ¼” (instrument)
Audio OutMale XLR, Tip-Ring-Sleeve ¼”
Frequency Response20 Hz to 50 kHz (mic), 30 Hz to 70 kHz (instrument)
ImpedanceMic: 1.9 kΩ; Instrument: 500 kΩ; Line out balanced: 30 Ω
Phantom Power+48V DC via 6.81 kΩ resistors
THD0.25% typical (mic in), 0.2% typical (instrument in)
Connectivity
ConnectivityFemale XLR, Tip-Sleeve ¼”, Tip-Ring-Sleeve ¼”
Questions
Can’t find your answer? Ask on WhatsApp
What is the frequency response for the microphone input?
The frequency response for the microphone input ranges from 20 Hz to 50 kHz, maintaining a tolerance of +0/-1dB. This wide range ensures accurate reproduction of audio signals without coloration.
Does the dbx 676 support phantom power?
Yes, it provides +48V phantom power via 6.81 kΩ resistors to power compatible condenser microphones. This allows for flexible connectivity with standard studio equipment.
What are the output impedance specifications?
The unit offers balanced outputs at 30 Ω and unbalanced outputs at 15 Ω. These low impedances ensure proper signal transmission to downstream audio interfaces and mixers.
Can I buy the dbx 676 in the UAE?
Request a quote via WhatsApp +971 4 546 5041 or email info@procure.ae.
