Pinnacle ST3250 - Desk AmpliVox - Free user manual and instructions
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| Product Type | Multimedia Lectern Podium |
| Brand | AmpliVox |
| Model | Pinnacle ST3250 |
| Intended Use | Presentations, classroom instruction, conferences, and public speaking |
| Construction Material | High-density wood composite with scratch-resistant laminate finish |
| Height Adjustment | Yes, manual height-adjustable lectern top with locking knob |
| Lectern Top Dimensions | 29 x 24 in (73.7 x 61 cm) |
| Overall Height | Adjustable from 42 to 46 in (106.7 to 116.8 cm) |
| Weight | 98 lb (44.5 kg) |
| Power Supply | AC 120V, 60Hz |
| Built-in Amplifier | 50W RMS solid-state amplifier |
| Speakers | Dual 8-inch speakers with 1-inch tweeter |
| Microphone Inputs | 3 balanced XLR inputs with independent volume controls |
| Aux Input | 1/8-inch auxiliary input for MP3 players and computers |
| Additional Features | Gooseneck lamp, LCD display, USB charging port |
| Mobility | 4 heavy-duty casters, 2 with locking brakes |
| Cable Management | Internal cable routing tray with grommeted holes |
| Cleaning Instructions | Wipe with a soft damp cloth and mild detergent; avoid abrasive cleaners |
| Safety Warnings | Keep away from moisture; lock casters before use; do not overload shelves |
| Replacement Parts | Contact AmpliVox support for spare parts, including speakers, amplifier, and lamps |
| Repairability | Modular components allow easy replacement of amplifier, speakers, lights, and hardware |
| Warranty | 2-year limited warranty on electronics and structure |
Frequently Asked Questions - Pinnacle ST3250 AmpliVox
How do I adjust the height of the Pinnacle ST3250 lectern?
The height adjustment knob is located under the reading surface. Loosen the locking knob, raise or lower the lectern top to the desired position, then tighten the knob securely. Ensure the top is level and all casters are locked before presenting.
How do I connect a microphone?
The lectern has 3 balanced XLR microphone inputs on the control panel. Plug a microphone into any input, turn on the corresponding channel volume, and adjust the master volume. Use high-quality XLR cables and set the microphone switch to ON to avoid feedback.
Can I connect a laptop or MP3 player to the Pinnacle ST3250?
Yes. Use the 1/8-inch (3.5 mm) auxiliary input located on the audio panel. Connect your laptop, smartphone, or MP3 player with a standard audio cable, then select the auxiliary input and adjust the volume.
Does the Pinnacle ST3250 need assembly?
The lectern is partially assembled in the box. You only need to attach the casters and connect the gooseneck lamp or microphone cable. Detailed instructions are included in the manual; assembly usually takes less than 30 minutes.
How should I clean and maintain the lectern?
Wipe the laminate surface with a soft, damp cloth and a mild detergent. Do not use abrasive cleaners or solvents. Vacuum the internal compartments periodically and check all screws and casters for tightness.
How can I prevent audio feedback or hum?
Position microphones away from the speakers, reduce microphone gain, and avoid pointing microphones directly at the amplifiers. Ensure cables are properly shielded and not run alongside power cords. Use the independent channel volume controls to balance levels.
Can I use the lectern with an external sound system?
Yes, the Pinnacle ST3250 includes line-level audio outputs that can be connected to an external amplifier or powered speakers. Use a standard audio cable from the line out to your sound system.
Is the Pinnacle ST3250 portable?
Yes. It sits on 4 heavy-duty casters, two of which lock, so you can roll it between rooms. The compact 29 x 24-inch top also helps it fit through standard doors. Lock the casters before presenting.
What should I do if there is no sound from the built-in speakers?
First check the master volume and make sure the amplifier is powered on. Verify the microphone or audio source is connected to the correct input and that channel volumes are up. Inspect cables, fuses, and power supply; if sound still fails, contact AmpliVox support for servicing.
What is included in the box and what replacement parts are available?
The package includes the lectern cabinet, reading light, microphone cable, power cord, assembly hardware, and manual. AmpliVox offers replacement speakers, amplifiers, gooseneck lamps, casters, and control panels through customer support.
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USER MANUAL Pinnacle ST3250 AmpliVox
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Product information
Brand : AmpliVox
Model : Pinnacle ST3250
Category : Desk