ADL 600
Overview
2-channel High-Voltage Tube Preamp
Co-designed with famed tube-circuit designer Anthony DeMaria, the ADL 600 is our top-of-the-line tube mic preamplifier. Featuring a Class A, discrete design with three top-grade vacuum tubes per channel, it uses only top-shelf components and operates with ±300V power rails for maximum headroom and superb tone. The dual-transformer design also ensures low-noise operation, with maximum common-mode rejection. The result is an ultra-low-noise tube preamp with a big, warm, smooth, clear, distinctive sound. We believe it is the best tube mic preamplifier money can buy. When you hear it, we’re confident you’ll agree.
Overview
Features
- Mic, line, and instrument inputs
- High-voltage, Class A, dual-transformer, vacuum-tube preamp
- 3 military-grade vacuum tubes
- Input-source select
- Variable mic-input impedance (150, 300, 900, 1,500Ω)
- Variable high-pass filter (40, 80, 120 Hz)
- 8-position Gain switch
- Variable Trim adjustment for final stage
- 48V phantom power
- -20 dB pad
- Polarity-reverse switch
- Backlit VU meter (output level) with -6 dB switch (for metering hot signals)
- > 73 dB of gain
- 2 unbalanced ¼” instrument inputs (front panel)
- 2 transformer-balanced XLR line inputs
- 2 transformer-balanced XLR mic inputs
- 2 transformer-balanced XLR line outputs
- 2U 19” rack-mountable, rugged steel chassis
- Internal power supply with standard IEC connector
- Chassis-ground link connectors (lift chassis ground)
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