Ampeg PF-50T Bass Head
Brand New. Authorized Dealer
Compact All-Tube Excellence: Ampeg PF-50T Portaflex
The Ampeg PF-50T is an all-tube bass amplifier head from the renowned Portaflex Series, bringing legendary Ampeg tube warmth and harmonic richness to an ultra-portable design. Delivering 50 Watts of pure tube power, the PF-50T is engineered for recording engineers, rehearsing musicians, and gigging bassists alike. Paired with an Ampeg PF-112HLF cabinet, it forms a lightweight, fully vintage-voiced all-tube bass stack.
All-Tube Circuitry and Deep Tone Shaping
The signal path of the PF-50T utilizes a premium vacuum tube complement, featuring two 12AX7 and one 12AU7 tubes in the preamp stage, paired with two 6L6 power tubes in the output section.
Key controls and tone-shaping features include:
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Dual Inputs: Separate 0dB and -15dB pads ensure optimal signal levels for both passive and active instruments.
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3-Band EQ: Intuitive Bass, Mid, and Treble frequency adjustments.
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5-Position Mid-Tone Selector: Selects critical midrange center frequencies for precise tonal placement.
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Ultra Hi / Ultra Lo Toggles: Instantly boost high-end shimmer or extend deep sub-bass response.
Silent Recording and Advanced Connectivity
A standout feature of the PF-50T is its ability to operate without a speaker load, making it a high-end all-tube preamp and direct box for silent studio recording and home practice.
Professional routing options include:
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Balanced XLR Preamp Out: Equipped with Pre/Post EQ routing and Ground Lift switches.
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Balanced XLR Transformer Out: Captures the full post-power-amp tube saturation directly from the output transformer.
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User-Adjustable BIAS Controls: External rear-panel controls allow simple bias monitoring and calibration without requiring a technician.
Ampeg PF-50T Specifications
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Device Type: All-Tube Bass Amplifier Head
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Series: Portaflex Series
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Power Output: 50 Watts RMS
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Preamp Tubes: 2 x 12AX7, 1 x 12AU7
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Power Tubes: 2 x 6L6
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Inputs: 2 x 1/4" Jack (0dB, -15dB Pad)
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Controls: Gain, Master Volume, Bass, Mid, Treble, 5-Position Mid-Tone Control
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Voicing Switches: Ultra Hi, Ultra Lo
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Outputs: Balanced XLR Preamp Out, Balanced XLR Transformer Out
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Routing Switches: Pre/Post EQ (Preamp Out), Ground Lift (Preamp Out & Transformer Out)
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Maintenance Features: User-Adjustable BIAS Controls
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No-Load Operation: Supported (safe operation without a speaker connected)
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Dimensions: 185 x 353 x 264 mm
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Weight: 8.8 kg
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Country of Origin: China
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Warranty: 12 Months (+ 12 months free service maintenance; 3 months on vacuum tubes)
Review of Ampeg PF-50T Bass Head📍 All amplifiers marked “In Ukraine” are located in our shop in Dnipro, Ukraine.
We are verified sellers and official dealers for many brands, with 15+ years of international experience.
We’ve shipped thousands of guitars and amps worldwide — to Europe, the UK, Japan, Australia, New Zealand, and the USA — even during wartime, without any issues.🚚 Worldwide shipping: via Ukrposhta or EMS, safe and fully insured (usually $150–200).
📦 Shipping across Ukraine: via Nova Poshta or local pickup with a chance to test the instrument through tube amps (Mesa Boogie, Marshall, Fender, Soldano, Friedman, Vox, and more).
