Ampeg B-25 55-Watt Tube Bass/Guitar Head – Used

Ampeg B-25 55-Watt Tube Bass/Guitar Head – Used
The Ampeg B-25 is a classic all-tube amplifier head originally introduced in the late 1960s, designed as a more compact alternative to the SVT for bassists and guitarists alike. Delivering around 55 watts of tube power via a pair of 6L6 power tubes, the B-25 is known for its thick low-end response, smooth breakup, and rich vintage tone. It’s equally well-suited for bass, guitar, or even keys, with a wide dynamic range and full tonal character.
This used example is in good condition with visible cosmetic wear typical of its age—scuffs, tolex wear, and minor oxidation on the hardware—but remains fully functional and sonically strong. The amp has been tested and sounds warm, punchy, and clear with great headroom for its wattage. A fantastic vintage option for players looking for authentic Ampeg tone in a manageable size.
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- Output: 55 watts RMS
- Preamp Tubes: 12AX7 x3
- Power Amp Tubes:7027A
- Channels: 2 (Normal and Bright)
- Controls: Volume, Treble, Bass (per channel), Midrange (shared)
- Features: 3-way midrange selector, polarity switch
Every amplifier we sell has been professionally inspected and tested by our in-house technician to ensure reliable performance. We pack each order with care and ship promptly.
Note: International buyers are responsible for any import duties, taxes, or fees incurred during shipping.