Herron AudioHL-1usedHerron Audio HL-1Excellent condition with depicted small ding on top edge of faceplate. Also some light scuffs on the top surface. The Preamp and Remote Control are included. The preamp is fully tested with no iss...1650.00

Herron Audio HL-1

Listing ID: lisb68c1 Classified 
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Ships fromCorpus Christi, TX, 78401
Ships toUnited States
Package dimensions?" × ?" × ?" (15.0 lbs.)
Shipping carriersUSPS, UPS or FedEx
Shipping costSpecified after purchase
Original accessoriesRemote Control
Agon miniAverageResearch Pricing

Excellent condition with depicted small ding on top edge of faceplate. Also some light scuffs on the top surface. The Preamp and Remote Control are included. 

The preamp is fully tested with no issues found. Videos of the Preamp in operation are available at youtu.be/w69V6V5E470 and Preamp startup at https://youtu.be/-jqAseNxZuA

The Preamp has not been exposed to tobacco and has not needed servicing. NOTE: The optional phono stage is not installed. The phono input acts as a line-in. 

From the description provided by the original selling dealer: 

The Herron Audio HL-1 solid-state preamplifier is designed to take the listener as close as possible to the original live musical performance.

State-of-the-art components and design are combined using a purist approach that provides utmost clarity and reproduces the emotion, dynamics, and passion of the musical performance without adding or subtracting any colorations or distortions of its own.

The clarity of its performance is true to the source.

The HL-1 employs a volume control system very similar to the highly-rated Herron Audio VTSP-1A/166 with the addition of a remote control and level display. The HL-1 volume control provides 100 steps of discrete and precise channel-to-channel matched level control. The electronic stepped attenuators provide distortionless volume control that will not degrade with time or use.

The front-panel displays on the HL-1 are powered from individual latches and are not sequentially flashed (multiplexed) as in most display designs. This more-expensive approach means that each relevant display element is continuously illuminated, and no audio signal path interference is generated from the display.

The HL-1 front-panel input controls (and remote control) operate individual sealed gold-contact relays located at the input connectors to insure pure connections, short signal paths, and long life.


"The HL1 majors on getting stuff in the right place at the right time....the HL1 represents that rarest of beasts, a full-facilities pre-amplifier that manages to sound excellent without costing a fortune."
- Roy Gregory hi-fi+ Issue 42

"HL-1's soundstage is wider and deeper, better separation, transparency and more alive than the VTSP-1."
- Thomas Leung Audiotechnique Magazine 2005 Issue #1

Design Considerations -

Multifunction remote control
Volume level display (0 - 100)
Unity gain pass-through function - initiated by holding "video" button
Non-multiplexed display eliminating radio and audio interference
Switchable absolute polarity
100-step volume control system with precision tracking and low distortion
Full-range, infinite-resolution indirect signal path balance control
Stereo/mono switch
Mute control
Display brightness control
Tape out/in loop
Super-low noise
High input-signal capacity without overload
Automatic muting at startup and shutdown
Gold plated RCA and ground connectors
Hand-picked components for accurate response and consistent unit-to-unit quality
Reversing power line (AC) polarity switch for minimizing line-to-chassis reactive currents and noise pickup
Each unit is given an extensive burn-in, including rigorous bench and listening tests


Frequency Response 1 Hz to beyond 100 kHz, 20 Hz to 20 kHz ±0.1 dB
Output Impedance 250 ohms nominal at 1 kHz (predominantly passive)
Input Impedance 100,000 Ohms
Gain 14 db
Volume Control 100-position electronic stepped attenuator, maximum differential ±0.1 dB channel to channel
Distortion <0.01% THD + Noise @ 1 volt r.m.s. output
Absolute Polarity SwitchableDimensions 18" widex 3.5" high x 10.5" deep

Please note, due to the nature of vintage components, NO WARRANTY IS EXTENDED OR OFFERED. Returns will only be considered if the components are significantly not as described or depicted.  Packing and shipping are charged at actual cost and items will be fully insured.

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