Thank you for your investment in the Herron Audio VTSP-3A Vacuum Tube Stereo Preamplifier, a milestone in high-precision audio playback equip- Introduction ment. The VTSP-3A is a new design, benefiting from insights gained during continuous refinement of the highly-praised and award-winning VTSP-2. The Features...
This the video input will be at unity gain. The VTSP-3A has a total of 100 vol- nal by 180 degrees for absolute innovative configuration eliminates Selecting any other input will shut off ume steps, and the precise volume polarity control.
VTSP-3A Vacuum Tube Stereo Preamplifier Owner’s Manual Design Considerations Design Considerations The VTSP-3A has an instant shut- up sequence when power is restored. down circuit that mutes the output If the power outage is brief, the unit • Multifunction remote control...
Note: Since the volume control is a The amber “Invert” light indi- The VTSP-3A has two gain modes after the unit has gone through the stepped attenuator the individual cates that the preamplifier is in for system matching.
VTSP-3A Vacuum Tube Stereo Preamplifier Owner’s Manual Power Line Polarity Switch Inputs The amber “Tape” light indicates be initiated or disengaged from the that the tape input has been selected. front panel or the remote control. This switch selects the power-line...
1. Position the unit in a well- nents. • Aux cannot be operated from the ventilated area on a firm, stable 7. Power up the VTSP-3A by • CD remote control. surface, away from equipment switching on the power switch.
CAUTION ! ! ! ! ! When changing tubes, the VTSP-3A should be unplugged and left off for a minimum of 30 minutes prior to opening the unit to insure that haz- ardous voltages in the power supply have time to discharge before entering the unit.
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