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PreSonus ADL700, 2 Channel High Voltage Tube Pre-Amplifier

Product Code PRADL700
Manufacturer PreSonus

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Stunning high-end sound and incredible versatility are hallmarks of this top-of-the-line, tube-driven channel strip. The ADL 700 integrates a proven, award-winning, boutique-quality preamp; a custom-designed FET compressor; and a custom, four-band, semi-parametric EQ.
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!

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1-channel channel strip with high-voltage, all-tube, Class A mic preamplifier
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

2U 19" rack-mountable, rugged steel chassis
Internal power supply with standard IEC connector
Chassis-ground link connectors (lift chassis ground)

Input Impedance
Microphone Selectable, 150/300/900/1500Ω
Balanced Line 2 kΩ
Instrument 1 MΩ
Maximum Input Level
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
Microphone (1500Ω, +20 dB Pad out) +6 dB to +70 dB
Balanced Line -20 dB to +40 dB
Instrument -20 dB to +40 dB
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
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
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
Internal supply, standard IEC connector 115 or 230 VAC / 100W
Dimensions 2U rackmount
Height 3.5" (88.9 mm)
Depth 17" (431.8 mm)
Width 19" (482.6 mm)
Weight 22.75 lb. (10.32 kg)

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