Triode TRV-88XR
Best vacuum tube amplifier for audiophiles seeking versatile, customizable analog sound.
Experience exceptional audio with the TRIODE TRV-88XR, a vacuum tube integrated amplifier crafted in Japan. This evolved model enhances user-friendliness with a convenient bias meter and allows for sonic experimentation by swapping output tubes. It delivers a powerful 35W+35W output, supported by a robust power supply and a premium aluminum remote control. The amplifier includes a built-in phono equalizer for MM cartridges and a dedicated vacuum tube headphone circuit, making it a versatile centerpiece for any high-fidelity audio system.
$2882.03
Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1719
#421 in Power Amplifiers
Price vs Category Average
-65%
Below average
Brand
TRIODE
/ TRIODE
Who it's for
- Audiophiles seeking classic, warm, and detailed tube-driven sound
- Listeners wanting to customize sonic output for different speaker pairings
- Collectors valuing Japanese craftsmanship and timeless, high-end aesthetic design
Who should skip it
- Users avoiding the recurring costs and ventilation needs of tubes
- Owners of low-sensitivity speakers requiring high-wattage power delivery
- Budget-conscious buyers looking for more affordable amplification solutions
Performance breakdown
Tube Rolling Versatility
Seamlessly swap between KT88 and EL34 tubes for custom sonic signatures.
Maintenance Accessibility
Integrated bias meter makes routine tube calibration simple and stress-free.
Headphone Amplification
Dedicated vacuum tube circuit delivers rich, immersive sound for private listening.
Build Integrity
Robust Japanese craftsmanship ensures long-term reliability and premium tactile feedback.
Phono Integration
Built-in MM phono stage provides a convenient, high-quality analog vinyl experience.
Power Delivery
Class AB output provides ample headroom for most high-fidelity bookshelf speakers.
Key Specs
Brand
TRIODE
Type
Vacuum Tube Integrated Amplifier
Model
TRV-88XR
Country of Origin
Japan
Condition
New
Circuit type
Class AB push-pull
Vacuum tubes used
KT88 x 4, 12AX7 x 1, 12AU7 x 2
Rated output
35W+35W (8Ω)
Features
- Easy bias adjustment with built-in meter
- Tube rolling flexibility (KT88 to EL34)
- Powerful 35W+35W output
- Luxurious machined aluminum remote control
- Integrated PHONO equalizer for MM cartridges
- Vacuum tube headphone circuit
- Supports 4 to 8Ω speakers
- Warm, rich vacuum tube sound
What customers say
The Triode TRV-88XR is highly respected for its exceptional musicality and value in the tube amplifier market. Owners consistently praise its sonic signature, noting the lush, articulate mid-range and the natural, expansive soundstage it delivers. Vocals sound particularly engaging and realistic, bringing music to life. The build quality is robust, featuring an appealing classic design. A key benefit is its suitability for tube rolling, allowing users to easily customize the sound profile for long term enjoyment. While power output requires careful speaker matching, the overall consensus confirms the TRV-88XR offers outstanding performance for its price class.
Know before you buy
Yes, the TRV-88XR is designed for tube rolling. You can experiment with different sonic profiles by swapping the factory-installed KT88 tubes for EL34 tubes, and the built-in bias meter makes the necessary adjustments straightforward.
Yes, the unit features a built-in phono equalizer specifically designed for MM (Moving Magnet) cartridges. You can connect your turntable directly to the RCA phono input without needing an external preamp.
The TRV-88XR includes a dedicated vacuum tube headphone circuit, which provides the same warm, rich sonic signature as the main speaker output. It is a high-quality solution for private listening that avoids the need for a separate headphone amp.
The TRV-88XR is versatile and supports speakers with an impedance between 4 and 8 ohms. It delivers a rated output of 35W+35W, providing enough power to drive a wide range of bookshelf and floor-standing speakers effectively.
Maintaining the bias is simple thanks to the integrated bias meter on the front panel. It allows you to monitor and adjust the tubes yourself without needing specialized external equipment or professional assistance.
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