Anthony Demaria Labs Announces ADL 1700 Liquid Mu Peak Limiter

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There’s nothing like an analog addition to brighten up your day.

Anthony Demaria Labs is providing that ray of sunshine with the announcement of the ADL 1700 Liquid Mu Peak Limiter. A unit with myriad applications from the studio to live sound, it crosses classic inspiration with modern functionality.

An all-discrete tube design distinguishes the ADL-1700 Liquid Mu Peak Limiter.

An all-discrete tube design distinguishes the ADL-1700 Liquid Mu Peak Limiter.

ADL’s new baby is available now, showing up at online outlets for $2500. Check out the video below to witness it in action, and read more details on the Liquid Limiter, direct from ADL:

ADL 1700 Overview

The ADL 1700 Liquid Mu Peak Limiter is often referred to as the little brother of the Fairchild 670. The 1700 employs an all discrete tube design modeled after and a cross between the vintage UA 175-B and 177 limiter except we enhanced some features for added flexibility. Unlike an opto limiter, the 1700 uniquely reduces the Mu or gain as the input signal is increased.

The 1700 has many practical applications for recording studios, tracking, mixing, stereo buss, vocals and instruments, live concert sound reinforcement as well as for film and broadcast work.


All discrete tube design
Transformer in/out
90Hz high pass filter switch
Bypass switch
Heavy-duty chassis
Handcrafted in the USA

ADL 1700 Technical Specs


Frequency Response — 10Hz-30kHz
Clip — +28 dbu
Distortion — < 0.1% – 10-GR =< 0.5%
Noise — -75 dB
Input/Output Impedance — 600 Ohm
Dimensions– Standard 19” 2-U depth 11-1/8
Power Consumption — 28 Watts
Power — 117 (Standard), 240 (Available on Request)
120V FUSE — 2-Amp Slow Blow 5x20mm
220V FUSE — 1-Amp Slow Blow 5x20mm
Tube Complement — (2) 12AX7A, (3) 12BH7A/12AU7A, (1) 6BC8, (4) 6CL5
Physical — Shipping Weight, 13 lb. or 15 Kg

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