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Peavey Invective MH 20/5/1-watt Tube Head

20/5/1-watt, 2-channel Tube Amplifier Head with Noise Gate, Effects Loop, Power Attenuator, 2-band EQ (Clean Channel), 3-band EQ (Lead Channel), Cab-simulated Output, and Headphone Output
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Misha Mansoor Signature Mini Head

The Peavey invective.MH takes Misha Mansoor’s signature amp head and packs it into a 20-watt, 2-channel design. This mini head retains many of its larger sibling’s player-friendly features — the cab-simulated output, super-tight noise gate, and footswitchable functions — while providing everything a guitarist needs for rehearsing and playing small gigs. And, of course, the invective.MH delivers the tight high-gain tones you’d expect from a Misha Mansoor signature head. If you’re searching for brutal, hard-hitting tones but don’t need to fill an arena, then you can’t go wrong with the Peavey invective.MH — it’s everything you want and more.

From pristine clean to punishing high gain

To pull off his genre-defining range of tones and techniques, Misha Mansoor requires an electric guitar amp head that delivers top-quality tones from crystal clear to over-the-top distortion. The Peavey invective.MH more than obliges. The Lead channel is voiced after Peavey's legendary 6505 tube amp line, and the Clean channel is specifically engineered to deliver a completely clean tone at any volume level while also having footswitchable options to push it a bit harder. No matter what shade of gain you need, the invective.MH has it covered.

Loaded with features for today's player

The Peavey invective.MH all-tube amplifier head is packed to the brim with added features that are sure to benefit players wanting the same tonal flexibility as many modeling units. A noise gate is featured on the front of the unit that boasts an incredibly fast response — perfect for precise palm-muted riffs. The amp's power attenuator dials it down from a club-friendly 20 watts to rehearsal-friendly five watts to a bedroom-friendly single watt. And a buffered effects loop allows you to integrate your pedalboard and other external processors.

Powerful switching

Not only does the invective.MH sport a bevy of player-friendly features, but it also offers a brilliant array of switching options, allowing you to access all your tones quickly whether at rehearsal or onstage. Dual 1/4" TRS footswitch jacks allow the invective.MH to engage or disengage the Tight voicing and any combination of Gate and Boost on the Lead channel. The effects loop is also footswitchable.

MSDI direct output

As Sweetwater knows, silent stages are becoming more and more prevalent in every genre of music. The invective.MH caters to this with its MSDI direct output feature. You're able to send a high-quality, cabinet-simulated signal to your front of house or recording console. And the ground-lift control ensures that your audience hears nothing but top-notch sound.

Peavey invective.MH Amp Head Features:

  • Misha Mansoor’s signature amp head packed into a 20-watt, 2-channel design
  • Preamps designed around the popular 6505 sound
  • Pristine cleans available
  • Power attenuation circuit, speaker defeat switch, and headphone output are great for practicing
  • 2-band adaptive EQ (Clean channel), 3-band EQ (Lead channel), Master Resonance, and Master Presence
  • Footswitch jacks allow you to engage or disengage the Tight voicing and any combination of Gate and Boost on the Lead channel
  • Footswitchable buffered effects loop for integrating your pedalboard and other processors
  • Noise gate is designed for incredibly fast sound cutoff
  • Tube Status Indication lets you know your power tubes are still working properly
  • Cab-emulated direct output with XLR and ground-lift control
  • Speaker-simulated USB output for direct connection to a computer

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Tech Specs

  • Type: Tube
  • Number of Channels: 2
  • Total Power: 20W (5W/1W settings)
  • Preamp Tubes: 3 x 12AX7
  • Power Tubes: 2 x EL84
  • EQ: 3-band EQ (lead), 2-band EQ (clean)
  • Inputs: 1 x 1/4"
  • Outputs: 1 x 1/4" (8/16 ohm), 1 x XLR (MSDI direct out)
  • Headphones: 1 x 1/8"
  • Effects Loop: Yes
  • USB: 1 x Type B
  • Footswitch I/O: 2 x 1/4" TRS (channel, tight, boost, gate, efx loop)
  • Footswitch Included: Yes, 2-button footswitch
  • Bias Type: Adjustable Fixed
  • Construction Material: Black Leatherette
  • Power Source: Standard IEC AC cable
  • Height: 7.25"
  • Width: 14"
  • Depth: 7.75"
  • Weight: 16.6 lbs.
  • Manufacturer Part Number: 03618470

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Customer Reviews

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Rated 5/5

This little thing rips

It's great. You have a ton of tonal options with this amp. Peavey knocked it out of the park with this one.
Rated 5/5

Best Peavey tube head ever.

I get all kind's of metal tones with this head. It's very loud and I just use 1 watt. My favorite head ever.
Rated 5/5

Amazing Little Workhorse

While this little guy is only 20 watts, yes. Do not be fooled by this, as it holds enough power for live purposes, and not just home use. If you find trouble getting enough volume in a full band setting, know that its not a power issue, but an issue of not enough speakers to project the sound. Essentially, add more speakers, and you'll get more volume. Don't be tricked into thinking you need a powerhouse of 50, or 100+ watts just to play with a band. That is only unless you prefer the tonal, and headroom difference of larger valve heads of course. Otherwise, it's a fantastically built, looking, feature-packed, and most importantly, great sounding little amplifier. Well done Peavey, well done..
Rated 4.5/5

Versatile little head

I'm very pleased with this amp. The tones are nice and what I expected from a Misha sig amp. I love the convenience of a direct out and speaker defeat, not to mention the built in power soak. Highly recommend for metal especially with clean parts.
Rated 5/5

Everything at 12:00

The Lead channel has a red LED light. The gate button makes everything sound tight when playing. the 20w-5w-1w switch in the back next to the 16Ω and 8Ω switch serves as the perfect volume knob. 20w is the loudest, I used 5w for a live performance and it blended nicely with the backing tracks going thru the PA system. The MSDI (mic simulated direct interface) output has a SPKR button that functions as a built in IR (impulse response) for recording. My favorite clean channel settings are as follows:

Gain: 3
Low: 7
High: 8

If you plug in your headphones, I highly suggest only sticking to the clean channel. Not only that, but the Peavey Invective MH has a GRND LIFT button if you're into that.
Music background: Played a live show for the first time on 2021DEC11
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