Pricing and availability
We compare 600+ stores and found this item at 6 stores. Prices updated .
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Price
Average Price: $2,883
High-end/Boutique
$300
$801+
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Budget
Standard
High-end
Price History
Based on price data from 4 merchants for "Friedman Twin Sister Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Friedman Twin Sister head is your gateway to achieving the quintessential British rock tone that has defined countless legendary tracks. A powerhouse of versatility, this 40-watt dual-channel amplifier is based on a modified JTM 45, offering a dynamic range from pristine cleans to rich, vintage crunch. Designed by the renowned amp guru Dave Friedman, the Twin Sister delivers the same high-quality performance the pros rely on.
With two identical channels, this amp head perfectly adapts to various genres, whether you're jamming to blues, rock, or country. Each channel is equipped with a Bright switch and a 3-position Gain switch, enabling precise tonal adjustments tailored to your guitar and pickups. The Twin Sister's responsive touch and punchy character come from its pair of 5881 power tubes, delivering that sought-after warmth and clarity.
For those who live by their pedalboards, the Twin Sister's ultra-transparent series FX loop ensures that your time-based effects shine through without any signal loss. Handwired in the USA with premium components, this amp head is built to withstand the rigors of both studio and stage, providing tone-shaping flexibility with its per-channel 3-band EQ and global Presence and Deep controls.
Whether you're on stage or in the studio, the Friedman Twin Sister is engineered to bring out the best in your musical expression.
Key Features:
- 40-watt, 2-channel all-tube amplifier
- Dual 5881 power tubes for punchy and touch-responsive sound
- Per-channel gain, master, bass, middle, treble controls
- Bright switch and 3-position gain switch per channel
- Global Presence and Deep knobs
- Ultra-transparent series effects loop
- Handwired with custom USA-made transformers
- Footswitch included for channel switching
- Dual speaker outputs with 4, 8, or 16-ohm operation
Product specs
| Type | Tube |
| Number of Channels | 2 |
| Total Power | 40W |
| Preamp Tubes | 5 x 12AX7 |
| Power Tubes | 2 x 5881 |
| EQ | 3-band EQ, Presence, Deep, Bright |
| Inputs | 1 x 1/4" |
| Outputs | 2 x 1/4" (speakers) |
| Effects Loop | Yes |
| Footswitch I/O | 1 x 1/4" (channel) |
| Footswitch Included | Yes, 1-button footswitch |
| Bias Type | Adjustable Fixed |
| Construction Material | Baltic Birch with Black Tolex |
| Power Source | Standard IEC AC cable |
| Height | 9.5" |
| Width | 24" |
| Depth | 8.5" |
| Weight | 32 lbs. |
FAQs
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What kind of tones can I expect from the Friedman Twin Sister head?
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The Friedman Twin Sister head is known for its signature British tone, delivering classic rock and blues sounds with a warm, vintage character. Its dual channels allow for a range of tones from clean to overdriven, ideal for diverse musical styles.
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Is the Friedman Twin Sister head suitable for gigging with a drummer?
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Yes, with its 40-watt power output, the Friedman Twin Sister head is capable of producing enough volume to compete with a drummer, making it suitable for live performances.
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Does the Friedman Twin Sister head have an effects loop?
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Yes, the Friedman Twin Sister head features an ultra-transparent series effects loop, allowing you to integrate your effects pedals seamlessly into your signal chain.
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What type of tubes does the Friedman Twin Sister head use?
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The Friedman Twin Sister head uses 5 x 12AX7 preamp tubes and 2 x 5881 power tubes, contributing to its rich, dynamic sound.
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Can the Friedman Twin Sister head be used with different speaker cabinets?
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Yes, the Friedman Twin Sister head has an impedance selector switch with 4, 8, and 16 ohm options, allowing you to connect it to various speaker cabinets.
Videos
Rabea Massaad
Friedman Twin Sister | A Fantastic Sounding Amplifier
Reviews
PROS
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Sounds and feels unbelievable, offering unique tonal qualities
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Offers a different, more spongey feel compared to other amps
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Excellent low-end response, adjustable to taste
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Edge of breakup clean sounds, ideal for specific styles
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Effective loop feature enhances versatility
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Maintains excellent sound quality at various volumes
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More versatile than competitors, with fuller sound
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Dual identical channels and three gain voicings cover a wide range of genres
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Tube rectification contributes to a distinct, spongey feel and articulation
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Deep control allows for precise low-end management
CONS
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Tolex covering on corners may be of lower quality
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Not voiced for Djent Metal, limiting its range in metal genres
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Presence control issues in some units, requiring service intervention
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Friedman Twin Sister Head.
Features and functionality
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The Friedman Twin Sister head offers an excellent master volume that maintains satisfying tone even at low settings, making it versatile for various environments.
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The Twin Sister's bright and gain switches enhance clarity and control the bottom end, addressing common issues with JTM-45 style amps.
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The Twin Sister's dual identical channels allow flexible setups, such as one clean and one with more gain, offering versatility for different styles or songs.
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Comparisons
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While the Twin Sister leans towards a Marshall sound, it's noted to have its own distinct tonal character, setting it apart from other Marshall-style amps.
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Users noted that the Twin Sister has an organic bloom and 90s grunge low end, making the SS-100 sound sterile and boxy in side-by-side comparisons.
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The Little Sister shares similarities with the Twin Sister but lacks a second channel and a deep knob, which some users find essential for their setup.
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User experience
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Owners praise the head paired with a vertical 2x12 cabinet as providing an unparalleled playing experience, highlighting the amp's powerful and clear sound.
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Some users find the Twin Sister's low mid frequencies ideal for recording but problematic for live gigs, where it may get lost onstage.
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After playing side-by-side with the SS-100, the Twin Sister was preferred for its unique tonal qualities that resonated more with the user's musical style.
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The Twin Sister performs well at bedroom volumes, with owners praising its volume control for maintaining quality sound at low levels.
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Use cases and applications
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Despite being rated at 40 watts, the amp is considered very loud, suitable for live performances but may require caution for home use due to its volume.
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Despite not being a high gain amp, the Twin Sister can reach hard rock levels without pedals and excels as a pedal platform.
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For home use, a 1x12 setup is sufficient and more portable, though the 2x12 is preferred for its fuller sound despite being cumbersome to move.
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5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
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In the YouTube video titled "TOSIN ABASI - Rock's New Guitar Hero: Bringing Guitar into the Modern Age," hosted by Rick Beato, the Friedman Twin Sister guitar amplifier head is clearly visible behind guitarist Tosin Abasi in the top left corner.
In a YouTube video titled "I Got A New Amp | Friedman Twin Sister," Rabea Massaad confirms that he uses the Friedman Twin Sister head, stating, "Since reviewing this amplifier, I kept thinking about it. After hanging with Nolly recently, trying his again, I decided I needed one in my life!"
In the Rig Rundown by Premier Guitar, R.J. Ronquillo is confirmed to use a Friedman Twin Sister head, as reported by John Bohlinger.
In an Instagram post by Joseph Anidjar (@joseph_is_rad), he is shown using the Neural DSP Nano Cortex to capture the sound of his Friedman Twin Sister head. The caption reads, "Capturing a BIG tune amp with the #nanocortex but it’s an ASMR cut 😩 You can grab these capture on my Cortex Cloud profile now😘."
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Friedman Twin Sister Head, it is most commonly used with the following gear.
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