Yamaha THR5A Desktop Acoustic Guitar Combo Amplifier

Designed for acoustic instruments, this intelligent desktop combo amp offers four VCM amp models based on the tones of high-quality studio microphones.

The Yamaha THR5A is optimized for use with electric-acoustic and Silent Guitars. Utilising advanced modeling technologies developed by Yamaha, THR5A offers simulations of classic tube condenser and dynamic mics combined with studio-grade effects to create recording-studio tone direct from your guitar and wherever you are.

VCM Amp Models

Developed by a team of guitarists in search of the ultimate tone, THR delivers the sound that you want and the feeling that you need. Effects that enhance and complement your playing combine with room-filling reverbs and delays to push your playing to greater levels. And thanks to THR's unique design and focus, stadium-filling volume isn't a pre-requisite - everything about this amp is designed to fit the way you play, right down to the need to keep it quiet sometimes. With tone and feel like this, you'll appreciate the ability to keep playing all night...

THR5A offers four acoustic mic simulations and one clean amp modeling for electric guitar:

VCM Effects

Most of THR's effects feature VCM effects processors. Based on the technology used in Yamaha's professional audio mixers, VCM effects give unsurpassed realism and quality.


Perfectly complementing the low-gain audiophile amp models, THR10C features a TAPE ECHO effect that captures the detail of an analogue machine, right down to the wow and flutter of the repeats.

VCM (Virtual Circuitry Modeling)

VCM effects are read more capable of capturing subtleties that simple digital simulations cannot even approach, going beyond simple simulation and delivering the truly musical performance that makes classic analog gear invaluable even in today's digital production environment.

YAMAHA Hi-Fi Audio Technology

THR was developed with Yamaha's award-winning AV division to offer true hi-fi stereo sound and an experience in guitar amplifiers. The exclusive, specially designed speaker enclosure is optimised to handle both guitar and stereo playback sounds making THR uniquely capable of giving you amazing tone for both your guitar and your track from a compact, portable amp.

Extended Stereo Technology

THR incorporates Yamaha's Extended Stereo Technology to create an incredibly wide, spacious audio image. Stereo tracks and studio quality reverb take on a depth unimaginable from such a small enclosure.

BATTERY Powered or AC Powered

THR's two-way power supply lets the unit operate on AC (PSU supplied) or battery power.


THR is bundled with Cubase AI, Steinberg's professional music production application that offers full-fledged recording and editing.

THR Editor

The THR Editor, available for download from http://download.yamaha.com, offers deep editing of amp and effect parameters using a computer. Additional in-depth controls include compressor and noise gate functions.

USB Connection

THR's design provides stereo playback from your smartphone or other device through its AUX jack or direct from your computer via the USB connection.

User Memory

User memory function lets you save up to five amp settings of all controller and switch settings for quick recall.


Tap tempo function to quickly set delay time. The built-in chromatic tuner features accurate, stable tuning and an easy to read display.

Virtual Tube Illumination

THR's Virtual Tube Illumination includes a simulated orange tube glow from the metal speaker grille.
WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.
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- Solid State
- 10 watts
- Speakers: 2 x 3.15" (stereo)
- Effects: Yes
- Reverb: Yes
- EQ: Tone
- Amp Modeling: Yes
- Number of Models: 5
- Preamp Tubes: No tubes
- Power Tubes: No tubes
- Inputs: 1 x TS, 1 x 1/8" stereo
- Outputs: 1 x 1/4" headphones
- Footswitch I/O: No footswitch I/O
- Height: 6.57"
- Width: 10.67"
- Depth: 4.72"
- Weight: 4.4 lbs.
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 7.25 lbs
Shipping Dimensions: 13 x 10 x 9 in
Manufacturer Part Number (MPN): THR5A

For support or warranty questions, please contact the manufacturer:
Phone: 714-522-9011
Web: https://usa.yamaha.com/support

Reviewers gave this product an overall rating of 5 out of 5 stars. (1 ratings)
Submitted September 12, 2019 by LOUIS P in FAIRFIELD, OH
"Yamaha THR 5 A acoustic guitar amp"
Overall: 5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
Well worth a look if you like superb tone at moderate volume. It features 3 distinct mic simulations that are pretty cool. The effects section is excellent. I 'm using a dreadnought with a Seymour Duncan Woody soundhole p/u. I have to put the guitar and master volume at 1 o'clock to get the volume loud enough to make it all sing. The THR 5A needs to be at ear level unless you can crank it without disturbing housemates and neighbors. At ear level you'll hear it shine. I recommend it for any acoustic player of discerning taste
Musical Background:
15-20 years. Acoustic, Electric, Keys. I am homebody player.
Musical Style:
Jazz, blues, ambient, rock
4 of 4 people (100%) people found this review helpful. Did you?
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