Detail 01
Two channels with independent controls
The clean and gain sounds can be set separately; the gain channel adds Middle, Level, Drive and a Bright switch.
Product detailSKU #1500000390091
PRSSonzera 20 20W 1x12" Tube Guitar Combo Amp - Black
1/7
Independent shopping perspective
The Korena take
PRS’s Sonzera 20 is a 20W all-tube 1x12 combo built around two independently controlled channels, spring reverb and a series effects loop. The clean side ranges from clear American-inspired sounds toward breakup, while the gain channel covers crunch through saturated drive with note definition retained. Four 12AX7/ECC83 preamp tubes, two 5881 or 6L6WGC-STR power tubes and a 12-inch Celestion V-Type speaker form the amp’s core. The included two-button footswitch makes channel and reverb changes direct during a performance.
Strong match
Who this is for
- Studio sessions or rehearsals requiring clean, breakup and driven sounds from one two-channel tube combo.
- Live sets where channel changes and reverb on/off need footswitch control.
- Pedal setups that benefit from routing delays, reverbs or modulation through a series effects loop.
Consider the trade-offs
When to look elsewhere
- Players who need an amplifier without tube maintenance or bias adjustment.
- Setups requiring a different amplifier format than a 20W 1x12 combo.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Spring reverb
Adds depth to the signal while keeping the core sound present.
Detail 03
Series effects loop
Provides a dedicated path for delays, reverbs and modulation pedals.
Detail 04
Five 1/4-inch speaker outputs; 4-, 8- and 16-ohm options
The combo provides several extension-speaker connection and impedance choices.
Detail 05
2-button footswitch included
Switch channel selection and reverb on/off from the footswitch.
Detail 06
Adjustable bias with monitoring jacks
Bias monitoring is provided to support maintenance and tube replacement.
Final check
Know before you order
- 01The amplifier uses adjustable bias with monitoring jacks, so tube replacement is part of its maintenance provision.
- 02Extension-speaker outputs offer two parallel 4-ohm, two parallel 8-ohm, or one 16-ohm connection option.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Does the Sonzera 20 include a footswitch?
Yes. A two-button footswitch for channel switching and reverb on/off is included.
02What speaker is fitted?
One 12-inch Celestion V-Type speaker.
03Is there an effects loop?
Yes. It has a series effects loop.
04How much power does it provide?
20W.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
5 detailsSound
- Speakers
- Celestion V-Type 70W
- Impedance Options
- 2 x 4 ohms, 2 x 8 ohms parallel, 1 x 16 ohms
- Speaker
- 1 x 12 inch Celestion V-Type
- Effects Loop
- Series FX loop
- Wattage
- 20
9 detailsPickups & controls
- Channel 1 Controls
- Bass, Treble, Volume
- Global Controls
- Presence, Reverb
- Preamp Tubes
- 4 x 12AX7/ECC83
- Pickup Configuration
- SS
- Footswitch
- 2-button footswitch included
- Gain Channel Controls
- Bass, Middle, Treble, Level, Drive
- Clean Channel Controls
- Bass, Treble, Volume
- Channel 2 Controls
- Bass, Middle, Treble, Level, Drive, Bright Switch
- Footswitchable Functions
- Channel switching, reverb on/off
3 detailsBody & build
- Color
- Black
- Available Colors
- Black Paisley, Indigo Blue
- Cabinet Material
- Plywood
7 detailsConnections & power
- Output Jacks
- 5
- Speaker Outputs
- 5 x 1/4 inch
- Output Jack Ohm Selections
- Two Parallel 4 ohm, two Parallel 8 ohm, one 16 ohm
- Output Transformer
- 19G01-OPT
- Input
- 1 x 1/4 inch
- Power Output
- 20W
- Power Tubes
- 2 x 5881 or 6L6WGC-STR short bottle
8 detailsSize & weight
- Height
- 18 inch
- Amp Height
- 18 inch
- Weight
- 42
- Amp Depth
- 10 inch
- Amp Width
- 21.5 inch
- Amp Weight
- 49 lb.
- Depth
- 10.5 inch
- Width
- 19.5 inch
1 detailsIn the box
- Included Accessories
- 2-button footswitch (channel and reverb)
16 detailsOther
- Available Configuration
- 1x12 combo
- Bias
- Adjustable
- Model
- Sonzera 20
- Reverb
- Spring reverb
- Cabinet Covering
- Textured black vinyl
- Inlet
- Fused Power Inlet (IEC)
- Channels
- 2
- Covering
- Black Tolex
- Configuration
- 1x12 combo
- Grille Cloth
- Salt and pepper
- Grill Cloth
- Black/Silver Rectangle
- Panel
- Black Tolex
- Piping
- Silver
- Product Type
- Tube guitar combo amplifier
- Series
- Sonzera
- Bias Type
- Adjustable with monitoring jacks
