Peavey Valveking II Combo 50 - 50/12/2-watt 1x12" Tube Combo

50/12/2-watt 2-channel All-tube 1x12" Guitar Combo Amplifier with Reverb, Vari-Class Control, Damping, USB Record Out, and XLR Direct Out - Black
4/5 5 Write review Item ID: ValveKIIC50
Peavey Valveking II Combo 50 - 50/12/2-watt 1x12
Peavey Valveking II Combo 50 - 50/12/2-watt 1x12
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Peavey Valveking II Combo 50 - 50/12/2-watt 1x12" Tube Combo
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Flexible 50W Tube Combo with Tons of Extras!

The Peavey ValveKing II Combo 50 is a 1 x 12", all-tube guitar amplifier combo that combines boutique features and hot-rodded tones with Peavey's legendary reliability. Ruggedly constructed and well thought out, the ValveKing II Combo 50 delivers everything you need for stage and studio. You get all-tube circuitry powered by a pair of 6L6 power tubes, a 3-band EQ, variable power output, a mic simulated direct out, USB recording output, reverb, built-in tube monitoring, and more. If you're looking for big tube tone in a dependable package, the Peavey ValveKing II Combo 50 is for you!

Peavey ValveKing II Combo 50 50W Tube Guitar Combo Amplifier at a Glance:
  • Powerful controls to sculpt your perfect tone
  • Flexible outputs for stage and studio
  • Built-in USB interface for recording
Powerful controls to sculpt your perfect tone

Craft your perfect tone with the 2-channel Peavey ValveKing II Combo 50 tube amplifier. It starts off with a powerful 3-band EQ that lets you dial in the tones you need for any gig. The cool Vari-Class knob lets you tweak the power amp class characteristics between Class A and Class AB. This gives you tonal versatility to nail any tone from country to rock to metal. You can also tailor your low end with the ValveKing's damping control. A footswitchable gain boost switch lets you add a healthy dose of extra gain to your clean and lead channels. You can even switch your wattage output from a full 50 watts, to 12 watts, and even to 2 watts for rehearsing and recording. No matter what type of gig you have, the Peavey ValveKing II Combo 50 tube amp is ready to rock.

Flexible outputs for stage and studio

The Peavey ValveKing II Combo 50 tube amp sports a single 1 x 12" ValveKing speaker and two direct outputs that are perfect for live and recording situations. Peavey's built-in MSDI (Microphone Simulated Direct Interface) sports a pro-level XLR output that sends a mic simulated output direct to the sound board or recording rig. The MSDI eliminates the need for messy mic runs while delivering optimized tone. You also get a USB 2.0 direct output that takes the MSDI signal and sends it directly to your computer for easy recording. On top of all of that, Peavey included their new TSI tube-monitoring indicator into the ValveKing II Combo 50 so you can see the health of your power tubes in real time.

Built-in USB interface for recording

The Peavey ValveKing II Combo 50 tube amp also acts as its own computer audio interface with a built-in, studio-quality USB 2.0 output that sends you amps sound directly to your computer. The output from the USB jack comes from the MSDI output, so it will sound great! Just fire up your favorite recording software and start laying down tracks with the all-tube Peavey ValveKing II Combo 50.

Peavey ValveKing II Combo 50 50W Tube Guitar Combo Amplifier at a Glance:
  • 50-watt, all-tube guitar amplifier combo delivers great tone onstage or in the studio
  • Powered by 2 x 6L6 and 3 x 12AX7 tubes
  • 1 x 12" ValveKing speaker
  • Switchable to between 50 watts, 12 watts, and 2 watts for any live or studio situation
  • Damping knob controls presence and resonance at the same time
  • Dial in Class A or Class A/B tones with the Vari-Class control
  • TSI tube-monitoring indicator shows the health status of your power tubes
  • Peavey MSDI (Microphone Simulated Direct Interface) XLR DI lets you send your amps signal to the mixer or recording device
  • USB direct output lets you record a miked amp sound directly to your computer
  • Footswitch not included
The Peavey ValveKing II Combo 50 guitar amplifier combo is ideal for stage and studio!

Additional Media

Guitar Amp Buying Guide
Hands On: Peavey ValveKing II

Tech Specs

Type Tube
Number of Channels 2
Total Power 50W
Speaker Size 1 x 12"
Reverb Yes
EQ 3-band (Damping, Vari-Class)
Preamp Tubes 3 x 12AX7
Power Tubes 2 x 6L6
Inputs 2 x 1/4"
Outputs 2 x 1/4" (speaker out), 1 x XLR (Direct)
USB 1 x Type B
Footswitch I/O 1 x 1/4" (channel, boost)
Effects Loop Yes
Weight 40.59 lbs.
Manufacturer Part Number 03608760

Customer Reviews

Based on 5 reviews
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ValveKing 50W

This amp is an incredible buy. It has amazing tone quality and the reverb is excellent. I have used many amps over the years (66yrs old) and have been playing since high school. This amp has as good sound qualities as any I have ever used. I don't usually play any distortion type guitar, so I can only review the clean side and light lead. This amp is very easy to use and finding the right tone was easy. Seems well made to me. The 50/12/2 watt feature is very cool. I only use tube combo amps.

great amp, great price, great service

Let me start off by saying I play a lot and I'm fairly knowledgeable when it comes to guitars and amps but I'm not the greatest guitarist. I played an Epiphone SG with this amp. It took me a while to get the tone the way I wanted it but once I did it was exactly what I was hoping for. It has nice bluesy tone on the clean channel and there is plenty of gain for me with some to spare (I don't play any metal just modern and classic rock) I had a much better guitarist play on this and I wasn't disappointed with the amp at all. I'd recommend this for anyone looking for a tube amp at a reasonable price that will play anywhere from practicing at an apartment to playing a bar room sized gig. I'd like to throw in Sweetwater did amazing with the customer support. My customer support rep Jimmy Hart was awesome!
Music background: Novice

Great Do It All Amp

Is this a Fender clean; no, but it gets very close. Is it a higher gain 5150ish; no, but it could be with a boost pedal. This is an everything in between amp and does a very good job of getting a variety of tones and good clean sounds. I play classic/blues/jazz to contemporary/rock/metal and I feel this amp covers a lot of ground. I wasn't to impressed with it when I first plugged it in because the bass control didn't seem to add or subtract much when adjusted. I plugged it in to my 4x12 cab and what a difference. Not only was the bass more responsive but the mids and highs were better balanced (speaker definitely needs time to brake in). The 2watt set up is great at a low bedroom setting but it doesn't take much to push the tubes past break up at that setting. The 12watt setting is where I have left it for practicing and it sounds great. Haven't needed to push it to the 50watt just yet so I cant comment on that setting. Having the speaker bypass for recording/USB is a definite plus. Everything seems to work as advertised and as usual Sweetwater has been great to work with.


The tone is great for blues, rock, hard rock, blues-rock. You will need a pedal to play metal. I rated it a 3 because the amp is cheaply made. The small cheesy chicken head knobs and switches are half the standard size. The amp feels like it was made from reinforced cardboard. If this amp was ever dropped, it would probably break into 10 pieces! For the price I expected it to be standard construction not second- rate. The switch for 50/12/2 watts is a nice feature that made me buy it to begin with. Also the tube monitor lights are another nice feature. I would have given it a 5 if the construction was sturdy and the switches and chicken heads knobs were standard size. I will get a Fender Hot Rod Deville, Marshall combo or Egnator Tweaker 40 when this amp bites the dust. Hope I don't drop this puppy!
Music background: Semi-pro, blues-rock, blues, gospel, 40 years exp

Good Tones, bad footswich

Love the tones but there is a brief (half second) delay when you use the footswitch to switch from clean to gain channel. Annoying when you are going for that musical impact, hit the gain channel and.....nothing.

Sweetwater Advice

Mitch Gallagher

My first real amp was a 2 x 12" Peavey Classic -- the old-school late-'70s original with the aluminum side panels on the grille. Ah, the good old days! I played that amp for years, followed by several other Peaveys, and they never let me down. But time marches on, and Peavey has kept up with the times with a steady stream of really cool amplifiers (including a new line of tweed-covered Classic amps launched in the early '90s). The latest from Peavey is the ValveKing II, a feature-laden amp that's perfect for stage or studio. The ValveKing II combo that I checked out uses three 12AX7 preamp tubes and two EL84 power tubes to deliver 20 watts, switchable down to 5 watts or even 1 watt for home use. (There also is a head version of this amp, a 50-/12-/2-watt combo, and a 100-/25-/5-watt head.) It has clean (with bright switch) and dirty (with switchable boost and high gain) channels, each with 3-band EQ, and a master reverb. A master Damping control blends presence and resonance shaping under one knob, while the Vari-Class control can continuously shift the power tubes from Class A operation to Class AB. That's a ton of tone-shaping control and a lot of versatility, from chiming British clean to rich American clean, crunchy UK chunk to singing U.S. sustain. The front panel also features tube monitoring LEDs, which keep you apprised as to the health of your EL84s. Around back, you've got a footswitchable effects loop and an MSDI (Mic Simulated Direct Interface) XLR jack for feeding the amp's output -- with mic and speaker emulation -- to a live sound console or a recorder. There's an accompanying switch for turning off the speaker for silent recording. There's also a USB output that can likewise deliver a mic-/speaker-emulated signal straight into your computer DAW. This really is one amp that can do it all for you, from clean to high gain, at bedroom volume or stage volume -- and who needs to mess with microphones? Recording and live sound are super easy with this amp. Check any of the ValveKing II amps out. They all deliver killer tube tones and more versatility and practical usefulness than just about any other amp on the market.
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See also: Combo Amps, Peavey, Peavey Guitar Combo Amps