Owner’s Manual Welcome! Welcome! Thank you for your investment in the Herron Audio HL-1 Solid State Stereo Preamplifier, a milestone in high-precision audio playback equipment. The Table of Contents HL-1 is a new design, benefiting from insights gained during continuous refinement of the highly-praised and award-winning VTSP-1A vacuum tube...
39 and 40). The settings. incorporates gold-contact sealed relays the pass-through mode, and the vol- HL-1 has a total of 100 volume steps, The HL-1 incorporates circuitry to located at the input connectors, keep- ume will return to 10.
• Volume level display (0 - 100) of the HL-1 prevents the electrical up sequence when power is restored. • Unity gain pass-through function—initiated by holding video button...
Herron Audio Solid State Stereo Preamplifier Owner’s Manual Front Panel Features Front Panel Features variable control that is barely in the ated or disengaged from the front circuit at center position. panel or the remote control. NOTE: The balance control can- The orange “Mono”...
Power Connection the remote. The V button on the the HL-1. The remote control uses 2 • With the mute engaged set the left decreases the volume. The V CR2025 3-volt lithium batteries. An IEC power cord connector is...
7. Power up the HL-1 by switch- the right-channel inputs. The audio signal after the input relays. etc. Magnetic fields of this ing on the power switch.
250 ohms nominal at 1 kHz (predominantly stereo preamplifier be connected to between the source components and complex/imaginary-passive) the same power source (dedicated cir- the HL-1, and between the HL-1 and cuit) as the other source components components downstream of it (the Input impedance: 100,000 Ohms (phono stage, turntable, CD player, power amplifiers and speakers).