Studio-Jnr - Guitar amplifier Ashdown Engineering - Free user manual and instructions
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| Product Type | Guitar Amplifier |
| Brand | Ashdown Engineering |
| Model | Studio-Jnr |
| Power Output | 60 Watts RMS |
| Speaker | 1 x 10" Ashdown Custom |
| Channels | 2 (Clean and Overdrive) |
| Controls | Gain, Bass, Middle, Treble, Volume, Master Volume, Reverb |
| Inputs | 1 x 1/4" Instrument Input, 1 x 1/8" Aux Input |
| Outputs | 1 x 1/4" Headphone Output, 1 x 1/4" Line Out |
| Footswitch | Compatible with optional 2-button footswitch (Channel & Reverb) |
| Dimensions (W x D x H) | 16.5 x 9.8 x 16.9 inches (420 x 250 x 430 mm) |
| Weight | 27.5 lbs (12.5 kg) |
| Power Supply | AC 120V/60Hz (US) or 230V/50Hz (EU), Detachable IEC Cord |
| Construction | Lightweight Plywood Cabinet with Black Tolex Covering |
| Reverb | Built-in Digital Reverb |
| Effects Loop | Series Effects Loop (Send/Return) |
| Protection | Short-circuit and Thermal Overload Protection |
| Accessories Included | Power Cord, User Manual |
| Recommended Use | Studio, Practice, Small Gigs |
| Warranty | 2 Years Limited Warranty |
Frequently Asked Questions - Studio-Jnr Ashdown Engineering
How do I clean the Studio-Jnr amplifier?
Use a dry, soft cloth to wipe the cabinet. For stubborn dirt, slightly dampen the cloth with water. Avoid using solvents or abrasive cleaners. Ensure the amp is unplugged before cleaning.
Can I use the headphone output without a speaker connected?
Yes, the headphone output automatically mutes the internal speaker, allowing silent practice. You can also use the 1/4" line out for recording.
What type of footswitch is compatible?
A standard 2-button footswitch with 1/4" TRS jack is required. One button switches channels (Clean/Overdrive) and the other toggles reverb on/off. Ashdown recommends the FS-2 footswitch.
Why is there no sound coming from the amplifier?
Check that the power cord is securely connected and the amp is turned on. Verify the instrument cable is plugged into the input jack. Also ensure the volume and master volume knobs are turned up. If using headphones, the speaker is muted.
Can I connect an external speaker cabinet?
No, the Studio-Jnr does not have an external speaker output. It is a combo amplifier with a built-in 10" speaker.
What is the power consumption?
The amplifier consumes approximately 120W at full power. For detailed electrical specifications, refer to the back panel label near the power cord inlet.
How do I replace the fuse?
Disconnect the power cord. Locate the fuse holder next to the power inlet. Use a small flathead screwdriver to pry open the fuse drawer. Replace with the same type and rating (e.g., 1A/250V slow-blow). If the fuse blows repeatedly, consult a technician.
Is the amplifier safe to use with a voltage converter?
The amplifier is designed for the voltage specified on the rear panel (e.g., 120V or 230V). Using an appropriate voltage converter is acceptable, but ensure the converter can handle at least 150W. Do not cut or replace the power plug.
What is the recommended maintenance schedule?
Periodically check all cables and connections for wear. Keep the amplifier in a dry, dust-free environment. For internal maintenance, such as tube biasing or component replacement, contact an authorized service center.
Can I use the aux input for backing tracks?
Yes, the 1/8" aux input allows you to connect an external audio source like a smartphone or MP3 player. The aux signal is mixed with the instrument signal and output through the speaker or headphones.
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