- Description
Details
Our premium channel strip boasts frequency response from 10 Hz all the way up to 45 kHz and offers all of the features you’d want in a high-end device. And the ADL 700 is a great value as you expect from PreSonus.
We created the ADL 700 because you insisted! The PreSonus ADL 600 two-channel tube mic preamp was such a hit with customers including such top artists, engineers, and producers as Chuck Ainlay, Jimmy Douglass, Mark Mancina, Demetric Collins, and Victor Wooten that we were inundated with requests for a single-channel version in a channel strip, with a compressor and EQ that would be up to the preamp’s high standards.
You were right, it was a great idea, so we gave the design job to Robert Creel, the engineering mastermind behind many of PreSonus’ most beloved analog circuits, including the XMAX™ preamp. It took years of hard work but he delivered big-time. The ADL 700 channel strip is everything we and you hoped it would be.- Features
Features
- 1-channel channel strip with high-voltage, all-tube, Class A mic preamplifier.
- Input/Output:
- 1 unbalanced ¼” instrument input (front panel).
- 1 transformer-balanced XLR line input.
- 1 transformer-balanced XLR mic input.
- 1 transformer-balanced XLR line output.
- Tube preamp:
- High-voltage, all-tube, Class A, dual-transformer design with one 12AT7 and two 6922 vacuum tubes.
- Input-source select switch.
- Variable microphone input impedance (150, 300, 900, 1,500Ω).
- 8-position Gain switch.
- Variable Trim adjustment for final stage.
- Fully variable FET compressor:
- Attack, release, threshold, ratio, makeup gain.
- Bypass switch.
- Stereo link.
- Four-band, semi-parametric EQ with bypass:
- Two peak mid bands.
- High and low bands switchable peak/shelving.
- Overlapping frequency ranges.
- Fixed Q (0.55).
- Switchable pre-/post-compressor.
- Bypass switch.
- Meters, Controls, and Other Features:
- Ultra-low noise (-100 dB S/N ratio) and high gain (>73 dB gain).
- Dual-mode analog VU metering (output and gain reduction).
- -6 dB meter-offset switch (for metering hot signals).
- Variable high-pass filter (20, 40, 80, 200 Hz).
- 48V phantom power.
- Polarity-invert switch.
- -20 dB pad.
- Physical:
- 2U 19” rack-mountable, rugged steel chassis.
- Internal power supply with standard IEC connector.
- Chassis-ground link connectors (lift chassis ground).
- Specification
Model ADL 700 Product Type High-Voltage Tube Channel Strip Input Impedance Specifications Microphone Selectable, 150/300/900/1500Ω Balanced Line 2 kΩ Instrument 1 MΩ Maximum Input Level Specifications Microphone (1500Ω, +20 dB Pad out) +10 dBu Microphone (1500Ω, +20 dB Pad in) +30 dBu Balanced Line +30 dBu Instrument +20 dBu Gain Range Specifications Microphone (1500Ω, +20 dB Pad out) +6 dB to +70 dB Balanced Line -20 dB to +40 dB Instrument -20 dB to +40 dB Performance Specifications Noise Floor (all inputs, minimum gain) -95 dBu (A-weighted) Microphone Equivalent Input Noise (EIN) -123 dBu (A-weighted) Frequency Response 10 Hz to 45 kHz, ±1 dB Maximum Output Level +28 dBu (@ 0.5%THD+N) Output Impedance 50Ω Tube Complement (per channel) (1) 12AT7A and (2) 6922 EQ Specifications Type 2nd-order shelving filter Q 0.55 Low Band (Low-pass or Bandpass) 20 Hz to 250 Hz, ±16 dB Low-Mid Band 160 Hz to 2 kHz, ±16 dB High-Mid Band 800 Hz to 8 kHz, ±16 dB High Band (High-pass or Bandpass) 2 kHz to 20 kHz, ±16 dB Compressor Specifications Threshold Range -20 dBu to +30 dBu Ratio 1:1 to 4:1 Attack Time Fast (0.5 ms) to Slow (10 ms) Release Time Fast (30 ms) to Slow (500 ms) Curve Type Soft knee Power Specifications Internal supply, standard IEC connector 115 or 230 VAC / 100W Physical Specifications Dimensions 2U rackmount Height 3.5” (88.9 mm) Depth 17" (431.8 mm) Width 19” (482.6 mm) Weight 22.75 lbs (10.32 kg) - Reviews
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