British Crunch Under Total Control

Dirty Sink 6VEL

The Ultimate British Crunch Guitar Amp System

The DIRTY SINK 6VEL is our new British-Crunch voiced amplifier based on the dirty channel of our flagship, Kitchen Sink 6VEL amplifier and features point-to-point turret board construction.  Loaded with M6-Grade Steel transformers and an overbuilt power supply delivering 35+ watts of power available in a 32 lb. 112 grab-n-go combo or 22 lb. compact amp head.

Features include a selectable Plexi/Cascade voiced British preamp, Dual Mode 3-band cathode-follower EQ (JTM/JMP), 4-way Preamp Bias Selector, Foot-switchable preamp gain boost, Foot-switchable tube buffered effects loop, Foot-switchable lead boost, our patented Hybrid-Master, external bias test terminals with back panel adjustment control, Switchable internal cooling fan, AND the ability to run 6L6, EL34, 5881 and 6V6 and more – hand-wired in the USA and covered by a LIFETIME WARRANTY.

Plexi, Cascade Dual Mode Preamp

British Clean to Massive & Mean

How It Works

The DIRTY SINK 6VEL features a tone stack voicing switch that delivers the sweeter JTM tone control voicing and balanced gain response in one position, and the more in your face JMP voicing in the other. The Plexi/Cascade switch lets you select the amount of signal gain on tap to and assigns it to the Gain control knob. Plexi Mode is where you’ll find Crisp British clean to crunch. Cascade Mode is where you’ll find scorching high gain tones. The Gain Boost switch engages even more gain sending the tone stack driver stage into clipping without compromising the overall headroom of the tone. See below for a description of each of the three individual amp voices.


Set to Plexi Mode, you’ll find classic British clean to crunch tones. Set to Cascade Mode, you’ll find tones ranging from soaring solos to modern saturation.


Back in the day, players yearned for even more gain from their British lead style amplifiers and dreamed that this feature could be placed under foot switch control. We’ve added that here and we think its going to make a lot of people happy!

'65 JTM

The JTM45 debuted in ’65 bringing the punch and sustain of a certain American style bass amp but with a decidedly British angst. One circuit common to both was the tone stack featuring a 56k ohm slope resistor and a 250pf treble capacitor. This made for a sweeter tone with emphasis on the melody strings.

'68 JMP

The JMP amplifiers debuted around late ’67 bringing with it a distinctive mid-range frequency slice, increased sustain and of course, more power. One design tweak made a huge impact: a 33k ohm slope resistor and a 470pf treble capacitor. This increased overall gain, slice and punch… mission accomplished.

Preamp Bias

Unlock Tube Tones Like A Cheat-code

How It Works

The Preamp Bias control is for players who thrive on exploring and crafting new guitar tones. Tube rolling in the preamp section will never be the same. It’s like a cheat code for tone junkies!

The Preamp Bias control features 4 bias presets that range from “cold” bias to “warm” bias. Cold biasing is a technique that reduces the amount of electrical current flowing through a tube gain stage. The lower bias, the smaller the the current – and the amplification performance of the gain stage occurs in a different portion of the tubes performance range. This can dramatically alter the tone and feel in unique and pleasing ways.

For example, it is possible to craft a tighter guitar signal with a more focussed dynamic response when running a gain stage with a lower bias current (cold bias). Conversely, it is possible to craft a fat, open guitar signal that is somewhat ambient in the way it loosens up when running a gain stage with a higher bias current (warm bias).  

With the DIRTY SINK 6VEL’s Preamp Bias control, it’s possible to craft classic, open vintage British flavored tones as well as more modern, focussed higher gain tones and anything in between.


The CLD 1 setting locks the response into a tight grove. Percussive picking, fast legato and punchy power chords and crisp chord voicings – all are focussed and tight yet completely musically expressive. This setting feels more like an SSL mastering bus compressor in that the tone remains full but perfectly focussed and locked in.


The CLD 2 setting is similar to CLD 2, just a little less of it so as to lean toward more warmth.


The WRM 1 setting opens up the bias for more warmth while still leaning toward a tighter response. 


The WRM 2 setting is pure vintage heat – in a really great way!

Hand-wired, Turret Board Construction

Made in Nashville, TN

Built by Human Beings

hand_wired_by_humans v3

Handwired, Turret Board Construction

The DIRTY SINK 6VEL is made by hand using FR4 board material that we source raw and drill in-house. Each turret is then hand placed and swaged to lock it into position. From there, we hand wire each trace to the back of the board prior to hand picking and installing the components and wire tails.

Feature Rich Back Panel

Foot-Switchable FX Loop, Lead Boost, Bias Test Points, Cooling Fan


The DIRTY SINK 6VEL gives you an all-tube effects loop optimized for pedals as well as rack-mountable gear. You can assign the FX Loop to the Switching Bus to bring it under remote foot switch control.


The DIRTY SINK 6VEL features external multi-meter test points and a fixed-bias adjustment control so you can optimize your power tubes for the best tone and longest tube life.

Manage Cooling

The DIRTY SINK 6VEL has a chassis mounted fan that pulls fresh air through the chassis and blows it out the bottom. This helps keep the system running cool especially during summer performances. When in the studio, you can turn the fan off to keep things as quiet as possible.

Advanced Foot Switch Control

System Mute, +Gain, FX Loop, Lead Boost

How It Works

The DIRTY SINK 6VEL brings all of these performance features of front panel and foot switch control: System Mute, Preamp Gain Boost, FX Loop On/Off, and Lead Boost. Several features can be assigned to a single button for complex scene control (Gain Boost, FX Loop and Lead Boost can be assigned to the Switching Bus Button). Front Panel Halo LED indicators show status of each feature for confidence during performance.


With the System Mute function, guitar tuning and swapping instruments eliminate on stage distractions. This is great way to keep the stage quiet in between songs as well. Tuners that mute are fine, but higher gain amplifiers will still “hiss” in the background. With System Mute, you’ll have a silent stage between songs. Overdubs in the studio will be tighter as well.


Additional preamp gain can be assigned to fall under foot switch command. This indicator tells you when you’ve added more gain.


Cue your own solos with the on-board lead boost function. This indicator lets you know when you’ve engaged the solo boost.


Nothing finishes out your lead tone like the perfect delay tap or multi-FX patch. Now you can have a complex tone without a complex setup. Just patch your favorite FX device in the all-tube buffered loop with the shortest cables possible and set it to y0ur favorite patch. When y0u turn on the loop, your lead tone will now be complete!


112 Combo
Head + 112 Compact Cab
Head + DC-212 Cab
• British Voiced Plexi & Cascaded Preamp Section (switchable)
• Dual-mode 3-Band EQ (JTM/JMP – switchable)
• Tube Buffered FX Loop (foot-switchable)
• Preamp Gain Boost (foot-switchable)
• Preamp Bias Selector (4 position switch from cold to warm)
• HybridMaster plus foot-switchable lead boost
• 6V6 (~20W) or 5881/EL34/6L6 (~35W and up) Operation
• Back-panel Bias Test Points and Adjustment Pot
• Over-sized /Overbuilt Power Transformer and Power Supply
• 4 Button Pro Foot Switch & 7 Pin Cable (included)
• Hand-wired and Hand Built in Nashville, TN
• Limited Lifetime Warranty
Model Name: Dirty Sink 6VEL
Output Architecture: 2x Power Tubes (Class AB), Fixed Bias
Power Output: 35W (EL34,6L6), 20W (6V6)
Plate Voltage: 120V AC input yields ~440 V DC plate voltage
Controls: Plexi/Cascade Sw, Gain, +Gain Sw, Volume, Treble, Middle, JTM/JMP Sw, Bass, Presence, HybridMaster, HM Bypass
Output Impedance: Impedance Selector (16, 8, 4 Ohms) feeds two Output Jacks
Internal Speaker (Combo): WGS Retro 30 12″ Speaker (8 Ohms)
Preamp Architecture: 3x JJ ECC83S, 1x Sovtek 12AX7LPS
Materials and Dimensions: 3/4 in. Solid Pine Cabinetry, Birch Front Baffle.
112 Combo: 19-7/8″ (W) x 16″ (T) x 9.5″ (D)
Head: 19-7/8″ (W) x 10″ (T) x 9″ (D)
Weight: Head: 21 lbs. 112 Combo: 33 lbs.
Certification: CE Certified

NOTE: Standard faceplate color for this model is black. Please see our Custom Shop page for this and more available options.

Dirty Sink 6VEL ships as follows:
• Dirty Sink 6VEL 112 Combo
• Loaded with 2x JJE34L Power Tubes
• WGS Retro 30 8-ohm 12″ Speaker
• Tolex color is Black Levant with vertical Bluesbreaker as standard.
• Control Faceplates are Black as standard

$3199 USD (Head Version)
$3499 USD (112 Combo Version)

Custom Shop Options:
• Please see our Custom Shop page for details

How to purchase:
Visit our dealer page to locate an authorized 3rd Power dealer nearest to you as ordering through one of our dealers is the quickest way to get an Dirty Sink 6VEL. If you don’t have a dealer in your area, or your preferred dealer is not currently on our list, you can contact us for assistance and we’ll make sure you get taken care immediately to ensure your spot in the production cue. EMAIL: [email protected]

NOTE: In production. Lead time for new orders is currently around 3 – 4 weeks.
NOTE: 220/230/240V Versions are also available

WARNING: Cancer and Reproductive Harm http://www.p65warnings.ca.gov

1307 Jewel Street
Nashville, TN 37207
[email protected]

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