VHT Special 12/20 Head

4.0 (3)

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Page last updated Aug 10, 2025

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Description

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The VHT Special 12/20 Head is a versatile guitar amplifier head designed to meet the diverse needs of musicians, from home practice to studio sessions. This amp head offers a unique combination of modern flexibility and classic tonal warmth, making it a reliable choice for guitarists looking for a robust yet adaptable sound. Notably, it features a switchable power output from 12 watts to 20 watts, allowing you to dial in the perfect level for any setting, whether you're aiming for a saturated tube sound in a small room or a clean tone with headroom in a larger space.

Equipped with a single-channel design, the VHT Special 12/20 Head provides a straightforward interface that encourages creativity without overwhelming you with options. Its all-tube signal path, featuring 6V6 or 6L6 power tubes, delivers rich harmonics and a dynamic response that will make your guitar sing. The built-in reverb adds an extra layer of depth and ambiance to your sound, enhancing your performance with a professional polish. With its unique tube-driven effects loop, you can seamlessly integrate your favorite pedals, preserving the integrity of your signal.

Whether you're crafting your signature sound or exploring new tonal territories, the VHT Special 12/20 Head is engineered to inspire, offering a blend of traditional craftsmanship and innovative features.

Key Features:

Switchable power output: 12W or 20W
All-tube signal path with 6V6 or 6L6 power tubes
Single-channel design for simplicity and ease of use
Built-in reverb for added depth
Tube-driven effects loop for seamless pedal integration

Product specs

Brand	VHT
Model	Special 12/20 Head
Finish	Black
Year	2010s
Made In	China
Categories	Guitar Heads
Color Family	Black
Electronics	Tube
Impedance	16 ohms, 4 ohms, 8 ohms
Number of Channels	1 Channel
Number of Inputs	1 Input
Output Power (Watts)	20
Power Tube Type	6V6
Reverb	None

FAQs

What type of tubes does the VHT Special 12/20 Head use?: The VHT Special 12/20 Head uses 6V6 power tubes, known for their warm and smooth tonal characteristics, making it ideal for classic rock and blues genres.
Is the VHT Special 12/20 Head suitable for live performances?: With its 20-watt output, the VHT Special 12/20 Head is suitable for small to medium-sized venues, providing enough power to cut through a mix without overwhelming the audience.
Can the VHT Special 12/20 Head handle different speaker impedances?: Yes, the VHT Special 12/20 Head supports 16 ohms, 8 ohms, and 4 ohms speaker impedances, offering flexibility to connect with various cabinets.
Does the VHT Special 12/20 Head have built-in reverb?: No, the VHT Special 12/20 Head does not include built-in reverb, allowing users to choose their preferred reverb effects through pedals or external units.
What makes the VHT Special 12/20 Head unique compared to other amp heads?: The VHT Special 12/20 Head is unique for its hand-wired design and ability to switch between 12 and 20 watts, providing versatile power options for different playing environments.

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Summer NAMM '11 - VHT Amps Special 12/20 Demo

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VHT 12/20 Special Tube Amp Head Demo

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about VHT Special 12/20 Head.

Mods and upgrades

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EL84 conversion sockets are commonly sought by users for enhanced power output and tonal flexibility.
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Using a 5751 in V1 is recommended for a Deluxe-type sound, while Genelex or EHX tubes are noted for reliability and quality.
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Substituting the first 12AX7 preamp tube with a 12AY7 can smooth out the preamp without significantly reducing volume.
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Multiple users reference online modification guides for enhancing the VHT Special 12/20's capabilities, specifically through TDPRI and personal mod pages.
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The amp pairs well with EQ pedals in the effects loop for more precise tone shaping; TC Electronic Spark and SD-1 pedals are recommended for boosting.
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User experience

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Some users find that JJ EL34 tubes do not replicate the desired 6V6 sound, prompting experimentation with different tube brands.
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Some owners feel the tremolo lacks depth and is not particularly useful, indicating a potential area for improvement or modification.
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The reverb, driven by a 6V6 tube, features a pull switch for "deep" mode, offering a rich and immersive reverb effect.
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Some users find that cabs with Greenbacks or Weber Blue Dogs complement the VHT's tonal characteristics well, similar to Vintage 30 speakers.
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Setup and maintenance

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The amp layout includes 2 power tubes and 3 preamp tubes: V1B handles input, V1A drives the effects loop, V3A acts as a phase splitter.
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Comparisons

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The stock 6V6 tubes are praised for delivering a blackface Fender sound, especially when paired with Swamp Thang speakers for clean, loud tones.
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Users note the VHT Special 12/20 has less gain compared to the VHT Special 6 Ultra, affecting how it interacts with pedals.
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Features and functionality

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The VHT Special 12/20 head includes unique tone controls and two power settings with a watts knob, enhancing versatility for different playing styles.
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The 6-way Deep switch is useful for adjusting tones with thin single coils or muddy humbuckers by filtering out lower-mid and bass frequencies.
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The texture switch provides three distinct tonal options: a straight signal, and two positions that cut highs for a browner crunch sound.
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The amp includes a built-in 9V power supply with a maximum output of 1000mA, offering convenience for powering pedals directly from the amp.
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Use cases and applications

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The amp excels in delivering clean and classic rock tones, suitable for styles like early Mark Knopfler or bluesy John Mayer.
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4.0 out of 5

Based on 1 Review and 3 Ratings

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elad

137

about 10 years ago

perfect practice amp

I have nothing but positive words about this amp head. The wattage control knob is perfect for slight tonal differences. If your'e like me and wanted a small, non colored head to run your crazy pedal board though then this little guy is perfect. I very well would have given it 5 stars but mine has had a little of a problem (it happens) while i would be playing at a moderate volume, out of no where the volume would just drop to about half of the level. I had done a little disassembling and had noticed that the wire going to my volume knob had burnt up. It is getting repaired now and hopefully thats all that is wrong with it.