VHT The Standard 18 - Manual (Page 4)

CH 2 (Channel 2):
5. Bass: Adjusts the low frequency level. Turn this knob clockwise to boost the bass sound, counter clockwise to cut the bass sound accordingly.
Center position (straight up) provides no cut or boost.
6. Mid: Adjusts the middle frequency level. Turn this knob clockwise to boost the middle sound, counter clockwise to cut the middle sound
accordingly. Center position (straight up) provides no cut or boost.
7. Treble : Adjusts the high frequency level. Turn this knob clockwise to boost the treble sound, counter clockwise to cut the treble sound accordingly.
Center position (straight up) provides no cut or boost.
8. Input: Used to connect the signal output from an electric guitar. (Use a shielded cable with 1/4” mono plug.)
9. Gain: Adjusts the distortion level and contributes to overall amplifier loudness of Channel 2
CH 1 (Channel 1):
10. Tone: Adjusts the tone characteristics of Channel 1
11. Gain: Adjusts the distortion level and contributes to overall amplifier loudness of Channel 1
12. Lo: Connect the cable from the instrument’s output jack to this jack. This jack is provided for instruments that have extremely high outputs
(i.e., active pickups) that can result in distortion when connected to the HIGH INPUT JACK. Always use an undamaged, shielded instrument
cable.
13. Hi: Connect the cable from the instrument’s output jack to this jack if it has an average output (i.e., Strat-Style and Les Paul-Style guitars).
Always use an undamaged, shielded instrument cable.
B. THE REAR PANEL
Fig. 2: The Rear Panel
14. Internal Speaker Jack 8 Ω: Plug-in connection for the 8Ω internal speaker. A speaker must always be connected at this jack when the amplifier
is ON. A speaker impedance load of 8Ω should be used to avoid distortion or damage to the amplifier. **
15. External Speaker Jack 16 Ω: Plug-in connection for an external speaker. This jack is wired in parallel with the Internal Speaker Jack and affects
the speaker impedance load. Use 16Ω minimum total. **
** ( Please note: you can only use the 8 Ω or 16 Ω speaker jack - they cannot be used simultaneously ) **
16. Fuse Holder: The fuse is the amplifier’s protection device. In the event of an over power malfunction, the fuse will blow, disconnecting
the power source and the amplifier, therefore preventing the amplifier from severe damage. If the amplifier shuts down while in use, unplug
the amplifier, open the fuse holder, check the fuse and replace if necessary (Replaced fuse must be at the same rating voltages and current.
Consult a qualified service technician if problem continues).
17. Power Cord: Connect to a grounded A/C outlet in accordance with the voltage and frequency ratings specified for your amplifier.
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