PF-20T - Bass Amplifier AMPEG - Free user manual and instructions
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| Product Type | Bass Amplifier Head |
| Power Output | 20 Watts RMS |
| Amplifier Class | Class A/B |
| Preamp Tubes | 1 x 12AX7 |
| Power Tubes | 2 x 6V6GT |
| Output Impedance | 8 ohms |
| Input Jacks | 1/4" Instrument Input |
| Output Jacks | 1/4" Speaker Output (8 ohms) |
| Controls | Gain, Bass, Mid, Treble, Master Volume |
| Channels | 1 |
| Dimensions (HxWxD) | 6.5 x 8.0 x 5.5 inches |
| Weight | 6.5 lbs |
| Power Requirements | 120V AC, 60Hz (USA), 50W power consumption |
| Construction | Steel chassis with black textured finish |
| Cooling | Passive convection cooling |
| Fuse | 1A slo-blo 250V |
| Accessories | Power cord, User manual |
Frequently Asked Questions - PF-20T AMPEG
What is the power output of the Ampeg PF-20T?
The Ampeg PF-20T delivers 20 watts RMS into an 8 ohm load, suitable for practice and small gigs.
What tubes does the PF-20T use?
It uses one 12AX7 preamp tube and two 6V6GT power tubes.
Can I connect an external speaker cabinet?
Yes, the PF-20T has a single 1/4" speaker output rated for 8 ohms. Connect a cabinet with impedance between 4 and 16 ohms, but the amp is optimized for 8 ohms.
Do I need to rebias the amp when changing power tubes?
For optimal performance and to prevent damage, rebiasing is recommended when replacing the 6V6GT power tubes. Consult a qualified technician.
How do I clean my PF-20T?
Unplug the amp and let it cool. Use a dry, soft cloth to wipe the chassis. Avoid liquids or abrasive cleaners. For tube sockets, use compressed air.
What is the warranty period?
Ampeg typically offers a 2-year limited warranty from the date of purchase. Check your local dealer for details.
Why is there no sound from the amp?
Check that the amp is powered on, the speaker cable is connected securely, and the Master Volume is turned up. Also test with a known working instrument cable.
Can I use it as a headphone amp?
No, the PF-20T does not have a headphone output. It must be connected to a speaker cabinet.
What are the dimensions and weight of the PF-20T?
The amplifier measures approximately 6.5 x 8.0 x 5.5 inches and weighs 6.5 lbs.
Can I use it with a bass guitar only?
While designed for bass, it can also be used with other instruments like guitar or keyboard, but it is optimized for bass frequencies.
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USER MANUAL PF-20T AMPEG
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Product information
Brand : AMPEG
Model : PF-20T
Category : Bass Amplifier