PRS HDRX-20 HEAD
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- This item is covered for 3 years
Essential Information About the PRS HDRX-20 Head Amp
Essential Information About the PRS HDRX-20 Head Amp
- All-tube 20W head with a "British late 60's" character: clear brilliance, never harsh, and a tone that naturally thickens when pushed
- Two internally bridged channels (Treble and Bass): blend the two volumes to shape attack, body, and saturation level without a patch cable
- 5881 power tubes: an organic response, solid lows, and saturation that arrives musically, ideal for playing dynamics with right hand/guitar volume
- Complete yet straightforward controls: 3-band EQ + Presence, Master Volume, Bright and High-Mid Gain, plus adjustable bias with test points
Manufacturer Information
PRS
https://www.eu.prsguitars.com
info@prsguitarseurope.com
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Safety manager:
Hol Music Dral SLU
Email: info@holmusic.es
Address:
Historical Context and Positioning in the Range
The HDRX-20 belongs to the PRS HDRX family, a series designed as a tribute to the great British circuits of the late 60s, with a deliberate nod to the aesthetics and sonic DNA associated with the Woodstock era. While the more powerful HDRX models aim for a "big stage" feel, the HDRX-20 offers the same philosophy in a more compact and easier-to-handle format, thanks to its 20W power and the addition of a Master Volume to control level without losing character.
Who This Amp Is For
The PRS HDRX-20 Head is aimed at guitarists who want a true all-tube amp that is responsive, expressive, and straightforward: sound at your fingertips, with controls that respond immediately. It is well suited for intermediate to advanced levels, especially if you like to shape your tone with guitar volume, pick choice, and attack intensity.
In the studio and at home, its 20W and Master Volume allow you to dial in crunch and overdrive without necessarily using an attenuator. In rehearsal and on small to medium stages, it offers enough headroom to stay clear in a mix, especially with an efficient speaker cabinet. Style-wise, it excels in blues, classic rock, vintage rock, punchy pop, and anything that demands an articulated crunch (and breathing fuzz) rather than a modern, heavily compressed distortion.
Technical specifications
| Color | Black | ||
Questions frequently asked
Is the PRS HDRX-20 Head suitable for home and rehearsal use?
Its 20 W power and Master Volume control allow managing the overall level while driving the channel volumes. It also has enough reserve power for rehearsals and small to medium stages, depending on the speaker cabinet used.
How do the two Treble and Bass channels work?
The two channels are internally bridged and blend with their dedicated volumes. The Treble volume adds more bite, while the Bass volume enhances body and low mids.
Which tubes does this PRS head use?
The power stage uses 2 x 5881 tubes and the preamp has 3 x 12AX7 tubes. An adjustable bias with measurement points is located at the rear for tube maintenance.
Which speaker cabinets can be connected to this 20 W head?
Five 6.35 mm jack speaker outputs are available. Supported impedances are 4 ohms, 8 ohms, and 16 ohms.
Is the HDRX-20 suitable for vintage fuzz and overdrive pedals?
Its all-tube circuit and 2 x 5881 power tubes provide smooth breakup from clean to thick crunch. The Treble channel's Bright control and High-Mid Gain switch adjust brightness and attack with these pedals. The Bass, Middle, Treble EQ and Presence complete the tone shaping.



