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Heritage HTG 157 - User Manual

Heritage HTG 157
23 pages
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Questions and Answers

  • R
    Rhonda JohnstonJul 31, 2025
    Why is my Heritage HTG 157 Amplifier not switching on?
    • E
      elizabeth02Aug 1, 2025
      If your Heritage Amplifier isn't switching on, several factors could be at play. First, ensure the power wire is receiving power; if not, repair the wire or its connections. Next, with the receiver on, check if the remote wire is getting power; if not, verify the connections to the radio. Lastly, inspect the fuse to see if it's broken, and replace it if necessary.
  • C
    Cynthia MillerAug 8, 2025
    What to do if there is no sound in one channel of my Heritage HTG 157?
    • M
      Megan PopeAug 8, 2025
      If you're experiencing a lack of sound in one channel of your Heritage Amplifier, start by inspecting the speaker leads for any short circuits or open connections. Then, check the audio input leads, and try reversing the left and right RCA inputs to see if the issue occurs before the amp. Also, verify the volume level of your Tuner/Deck and clean the contacts on the fuse holders.
  • B
    bleeAug 15, 2025
    How to troubleshoot no sound on Heritage HTG 157?
    • P
      Paul MartinezAug 15, 2025
      If your Heritage Amplifier is producing no sound, begin by checking if the power LED is illuminated. Then, check the amplifier's fuses and ensure the Turn-on lead is properly connected.
  • A
    Ashley HarveyAug 25, 2025
    Why does my Heritage HTG 157 Amplifier turn off at medium or high volume?
    • N
      Nathaniel LoveAug 25, 2025
      If your Heritage Amplifier is turning off at medium or high volume, the issue might be related to speaker load impedance. Ensure that you are using the correct speakers to meet the impedance recommendations. Remember that DC resistance and AC impedance may differ when checking speaker resistance with an ohmmeter.

Summary

INTRODUCTION

Safety Warnings

Advises caution regarding high volume audio system usage to prevent hearing loss and traffic hazards.

PLANNING YOUR SYSTEM

CONNECTING THE POWER

PANEL LAYOUT

CONTROL FUNCTIONS

Input and Gain Controls

Details RCA input jacks and the GAIN control for signal level matching.

Crossover and Filtering Controls

Explains SUBSONIC, X-OVER, and low pass frequency controls for audio signal filtering.

Bass BOOST and REMOTE

Covers Bass BOOST adjustment and the REMOTE control for subwoofer gain.

Indicator and Expansion Features

Explains the LED indicator and auxiliary outputs for system expansion.

Power and Ground Connections

Details GND, Remote Turn On, +12V Power, and FUSE connections for amplifier operation.

Speaker Connection Terminals

Instructions for connecting subwoofers to the amplifier's speaker terminals.

System Diagrams

TROUBLE SHOOTING GUIDE

WARNINGS

SPECIFICATIONS

Heritage HTG 157 Specifications

General IconGeneral
EffectsReverb
TypeGuitar Amplifier
Channels2
Outputs1 x 1/4"
EQ3-band
Input Impedance1M ohm