Friedman Small Box 50-watt 2-channel Tube Head

2-channel, 50-watt Guitar Tube Amplifier Head with Custom Transformers, 3-band EQ, Line Out, and Effects Loop
Friedman Small Box 50-watt 2-channel Tube Head image 1
Friedman Small Box 50-watt 2-channel Tube Head image 1

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Friedman Small Box 50-watt 2-channel Tube Head
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Big British Tone!

Friedman Amplification's Small Box all-tube, 2-channel amplifier head brings you the best of British Plexi tones in a ready-to-rock package. The Small Box has all of the punch, sustain, and tone you'd expect from a vintage British amp without the unwanted harshness. The sensitivity and response of this amp will blow your mind. You can clean up or dirty your tone with the twist of your guitar's volume knob. Powered by a pair of EL34 power tubes, Friedman Amplification's extremely versatile Small Box tube amp head is a must have when you need that classic British sound.

Friedman Amplification Small Box Guitar Amplifier Head at a Glance:
  • Big British sound in a versatile amp
  • Handbuilt for exceptional tone
  • Dave Friedman: amp guru to the pros
Big British sound in a versatile amp

When you're looking for versatile Plexi amp tones, the Friedman Small Box tube amp head is the way to go. Loaded with EL34 power tubes - a favorite of Sweetwater's rock players - and 12AX7 preamp tubes, this amp delivers smooth cleans, crunchy rhythm, and Friedman's famous high-gain tones that will handle any gig. Two separate channels let you create your ideal rhythm and lead tones. A global presence control and 3-position bright switch on the clean channel let you further tweak your tone to perfection. The response and sensitivity of this amp are amazing. When you're rocking out and need to clean up your tone just roll back your guitar's volume and keep playing. No channel switching or amp knob twisting needed. Players ranging from Neal Schon to Billy Duffy to Chris Shiflett use the Friedman Amplification Small Box on tour and in the studio. If you're looking for the ultimate modded-Plexi sound, then this is the amp for you!

Handbuilt for exceptional tone

All Friedman Amplification products are handwired to exacting specs to give you amazing tones every time you play. Premium components and attention to detail ensure that your Small Box amp head will deliver the sound you want and need onstage or in the studio. It doesn't matter what type of music you're into; a premium, handbuilt Friedman amp has the tonal palette you need to create the sound you're after.

Dave Friedman: amp guru to the pros

For over 25 years, Dave Friedman has been tweaking, building, and repairing amps for some of the biggest names in music. His legendary reputation among touring musicians has gained him a loyal clientele including the likes of Eddie Van Halen, Steve Stevens, Jerry Cantrell, and more. Dave has created his own production amp line utilizing his sought-after skills and talents. Now you can get the same legendary amp tones as the pros with a Friedman Amplifications amplifier from Sweetwater.

Friedman Amplification Small Box Guitar Amplifier Head Features:
  • Versatile 50-watt, 2-channel all-tube amplifier with British voicing
  • An ideal amp for blues, rock, and metal
  • Dial in your sound 3-band EQ and presence control
  • Handwired amplifier built using premium components including custom transformers and capacitors
  • 3-position bright switch lets you tweak your tone to perfection
  • Dual speaker outputs let you use up to 2 speaker cabs
  • Line-out with level control for feeding a mixer or recorder
  • Ultra-transparent effects loop for your favorite pedals
  • Includes single button footswitch
Rock the stage with the 50-watt Friedman Amplification Small Box guitar amp head!

Additional Media

Guitar Amp Buying Guide
Friedman Small Box Tube Amp Demo by Sweetwater Sound

Tech Specs

Type Tube
Number of Channels 2
Total Power 50W
EQ 3-band
Preamp Tubes 3 x 12AX7
Power Tubes 2 x EL34
Inputs 1 x 1/4"
Outputs 2 x 1/4" (Speaker), 1 x 1/4" (Line)
Effects Loop Yes
Footswitch I/O Yes
Height 10.75"
Width 26.25"
Depth 8.75"
Weight 33.5 lbs.
Manufacturer Part Number SMALL BOX HEAD

Customer Reviews

Based on 9 reviews
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Sorry, had to borrow my Review Title from 'Greg Koch's New Obsession' demo. I've had a lot of amps, my current favorite includes a Siegmund Midnight Blues that is like melted butter on fresh French bread to my ears, but where I've never really been satisfied is with the void created by not having a great Plexi type of amp. There have been many times where I have nearly bought a Marshall but there's always been a little something that I could not completely like about the tone or at least what I was abke to determine based on my experience with other people's Marshalls or what I could demo at the local brick and mortar stores. Ok so now comes the advent of the Friedman and anyone worth their salt raving about them but there's the problem of the $$$$s 😂 and so I just dreamt about a day I'd pull the trigger but with Sweetwaters 0% for 36 months it's all possible. Now I've been playing it and it is just flat out incredible awesome. Everything great you've read or heard is absolutely well deserved. I am running a Boss RV-3 into the best effects loop I've ever heard for a dose of perfect reverb/slapback delay and a MXR EVH Phase 90 into the from with the script setting and on the Plexi channel 1 I am hearing Led Zeppelin's the Rover like I have never achieved before. That and just about any of the best rock from the 70/80s. Channel 2 takes over where 1 leaves off and it takes things into the BE realm with higher gain and beautiful note separation and the same type of response you get with the volume on your guitar you can also achieve with just a lighter touch. I want to thank Mr. Friedman for designing and building with such high quality this awesome tone machine. Thanks also to my Sweetwater sales rep Drew Lehman for everything, he is without a doubt the best customer support experience I have ever had.
Music background: Blues based music of all genres

Small Box 50 watt

I have owned a super lead Marshall for 30 years. The amp in 48 years old. I love it and am ready to retire it, don't want to drag it around anymore.It was loud to say the least in a deep stage you could push it. but most places you could not use half the power.Enter the Friedman small box, I wanted a amp that had the same quality of the Marshall. The Friedman has all the sounds of the super lead and then some. It is handwired as is the super lead and has my favorite tube the EL34. This amp is not cheap but is a wise invest if you want an amp that will last as long as an early Marshall this is the one. As usual Sweetwater had the best price and AJ is the best salesman.
Music background: Guitar God in my own mind


I had my Small Box special ordered through SW (to Friedman) with the modded saturation switch incorporated to foot switch capable, basically turning the stock two channel SB50 into a three channel amp. The BE gain knob is then shared with the Saturation 3rd channel (has its own volume control). The Presence knob was relocated to the back panel, (Friedman did all of this of course). I run this amp with minimal effects (in the loop: MXR 10band, with TC 4x Delay, sometimes a touch of chorus but rarely), from the guitar into a KOKO boost (when desired), and occasional Salvation Mods Vivider pedal. This amp is "ABSOLUTELY CRUSHING", yet clean when it needs to be with its bad-@ss Plexi Channel. For cabinets, I'm running a 2x12 Port City with V30's and a 600W ISP Vortex Lukather Sub and sometimes added 4x12 Mesa Boogie with V30's. Pretty much have any sound I want with this 50W beast!
Music background: 30+ years of guitar

Close to Perfection

I have a serious gear addiction... I've had one of everything from Mesa MkIIc+, mkiii, mkiv, even the new jp2c... Vht Pittbull, Marshall, Fender, DR Z, Vox Handwired, a few Bogners... The list of gear that I've owned is ridiculous. Anyways... This is my first Friedman. This does not sound like a Boogie. This does not sound like a Fender or a Vox. If what you are after is the "Marshall of your dreams" tone. This is it. This is the single best sounding Marshall Type amp I've ever played. The note chirp on the attack is sweet and fast. The decay of the note is blooming and full, the sustain is clear yet robust, the definition is unparalleled... The BE channel on the small box will blow you away. The saturation is enough to play metal, but at the same time you can hear everything that's happening. It's extremely clear no matter where your gain knob is. Really really impressed. Ohh, it has a killer effects loop too!
Music background: Musical Genius / Hack (more hack than genius)

Big surprise!

I had to replace my Marshall TSL 100 because you guessed it, "drifting bias" which they all come down with due to the poor design even though I replaced all the tubes. Enter Friedman. I'm willing to pay more for an amp that is well built, hand-wired, and with a lifetime warranty. Aric, my sales rep told me about Friedman. I wasn't familiar with them at the time. what a revelation! If you are looking for that tight old Plexi sound, this is it. In Spades! I didn't expect it to be this good, it drips and reaks of tone and sustain! I've become a better player because this makes me sound awesome. I was using the line 6 POD HD500X too, but it lacks the punch and tightness Friedman has, now it sits in the closet. My hats off to Friedman and Sweetwater!!!!
Music background: Pro
See also: Amp Heads, Friedman, Friedman Guitar Amp Heads