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VHT Amplification (AXL) Special 6 Ultra Head
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VHT Amplification (AXL) Special 6 Ultra Head
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clysthène clysthène

«  Head versatile amp open »

Published on 10/02/12 at 05:59
6W all head swig. Very well finished.
2 12AX7 for preamp, 1 6V6 for amplification.
An effects loop that passes through the lamps.
Two inputs (not switchable, because when input is taken, the other is off-line), 1 clean, 1 ultra.
A drive voltage for 6V6 plate (bottom we have the whole dynamic, goes down, the harder it is to get a clear sound), to lower the output volume.
A multi-position knob depth for the bass frequency response (RTFM).
A three-position switch for texture treble compensation (RTFM idem).
A tone knob, one volume per "channel" even if they are not really different channels.
A standby switch, high / low power (in reality the choice between 6V6 in triode or pentode).
Two speaker outputs with impedance selector (4, 8 or 16 ohms), it can be used.
A switch On / Off. Line output (preamp output, loopback).
An integrated boost (or by pulling the normal volume is provided by connecting the footswitch and allowing the volume knob pulled).
More details on: https://www.vhtamp.com/products/the-special-series/special-6-ultra-head

UTILIZATION

The configuration is simple, it is a head amp, it connects to a HP matchant impedance and light.

There are a multitude of settings, must try them one by one, in relation to each other. But the sound is there from the beginning.

The manual is complete with diagrams! The lamps are mounted on sockets, you can change the models of stroke, for those who are passionate about.
Some components are also mounted so as to replace them without welding. That said, "Mod-Friendly Eyelet-type Board" Yes, but what about the warranty?

SOUNDS

I played with two totally different guitars: a Danelectro DC-12 (12 string with single coil pickups lipsticks) and an Ibanez GAX70BT (two humbuckers, an EMG H4A which).
It's very subjective, but is close to a clean Fender Blackface according to the selected settings.
The boost on the clean entry brings a lot more volume and crunch willingly and precisely.
The entrance provides a boost without Ultra hot overdrive in mind Ibanez TS. Boosted and pushed forward, we have a powerful OD, full and well defined.

Each setting has a lot of influence on the final sound. This makes it a very versatile amp. The depth knob allows good example correct side runny low when the input is ultra thoroughly.
So you can really feel all kinds of sound.

Second part: I use pedals before the amp and in the effects loop.
A ProCo RAT 2, fully accepted, beautiful rendering.
An Ibanez TS7, drive to the bottom, volume 3/4, excellent, before I add EQ to shape, nickel!
Wah, compressor, everything goes really well, respected personalities.

In the loop, I tried to put an EQ, but it does not go well, with no volume control, it quickly overload the lamp, and it is not clean.
on the other hand with chorus or delay, it is perfect, well calibrated.

The output line is used according to the instructions to chain amps. I tried to record live simulation by applying a convolution HP, but a huge part of the grain of the amplifier has the amplifier section (proof is the selector knob texture and depth act post-preamp), this which consequently is not very interesting.

OVERALL OPINION

That's a full month I play it, I'm perfectly content. I made a IsolationCab in which there is an 8-inch Celestion V30 16 ohms.
The 6W spit loudly, so apartment, without forgetting soundproofing.
By connecting a Loadbox above, to apply a good simulation HP, it works very well.
In short, this amp is a success who has a clear idea of ​​the sound he or she wants to achieve. The manufacturer did not want to emulate a particular model or color famous. The result is a strong character, versatile ample opportunities to share the amount of possible settings and the possible change in the type of lamps and other components without breaking the head.
Open an amp ;)