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PreSonus ADL 700

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ADL 700
ราคาปรกติ ฿69,000.00 ราคาพิเศษ ฿38,000.00
ADL 700: 1-channel High-Voltage, Tube Channel Strip
PreSonus ADL 700
PreSonus ADL 700 PreSonus ADL 700

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PreSonus presents the ADL 700, a follow-up to the wildly successful ADL 600. Created in partnership with the designer of the original ADL 600, Anthony DeMaria, the ADL 700 is an all-discrete high-voltage Class A channel strip, incorporating 600 volts of tube-driven preamp with a FET-based compressor/limiter section and parametric EQ. The preamp circuitry is identical to that of the ADL 600, with the expanded functionality of the compressor and EQ providing additional tools to shape the sound. The second generation of the ADL is here with the ADL 700!

Preamp section of the ADL 600
The preamplifier stage in the ADL 700 is adiscrete Class A circuit, based on the preamp in the ADL 600, with balanced input transformer and three vacuum tubes with 300-volt power rails. The preamp includes instrument, line, and microphone inputs with selectable input impedance, high gain, and highpass filter. The preamp section allows for overdriving of the tube section for coloration, or shifting the impedance to draw different tones from your microphone. With 75dB of gain available, the ADL 700 easily handles gain-hungry ribbon mics.

FET compressor/limiter
The compressor stage in the ADL 700 features a discrete FET-based VCA compressor with variable threshold, ratio, attack, release, and make-up gain. The FET compressor reacts to transients faster than optical circuits for better protection against peaks, preserving the integrity of your source material.

EQ
The EQ stage in the ADL 700 is a discrete Class A 4-band semi-parametric EQ with switchable high/low Q. The bands overlap for surgical sculpting of the sound. Aside from the dedicated EQ section, there's a 3-position hi-pass filter for further sound shaping. An EQ/Compressor switch lets you switch the order of the EQ and compression in the signal chain for more tonal flexibility.

PreSonus ADL 700 Features:

  • Preamp section of the ADL 600
  • Class A design
  • Transformer-balanced I/O
  • 75dB of gain
  • Variable mic impedance
  • Rear panel mic and line inputs with front panel DI/Instrument input
  • Three tubes driven by 300 volt power rails
  • FET-based VCA compressor/limiter
  • 4-band EQ
  • 3-position highpass filter
  • Switchable signal-chain placement for EQ and compressor

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

Input/Output

  • 1 unbalanced ” 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, 1,500?)
  • 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)
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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

Performance

 
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

 
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

 
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

 
Internal supply, standard IEC connector 115 or 230 VAC / 100W

Physical

 
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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คุณกำลังรีวิว:PreSonus ADL 700