PrimaLuna EVO 400 Tube Preamplifier

The PrimaLuna EVO 400 Preamplifier represents the flagship model in PrimaLuna's acclaimed EVO series, offering exceptional performance, versatility and build quality for discerning audiophiles seeking reference-level valve preamplification.

Exceptional Craftsmanship

Each PrimaLuna EVO 400 features meticulous handmade construction with a heavy-gauge, fully vented steel chassis finished with five coats, each hand-rubbed and polished. Weighing a substantial 24kg, this flagship preamplifier exemplifies PrimaLuna's commitment to uncompromising build quality.

Inside, you'll discover point-to-point wiring using only the finest Swiss silver wires—a level of detail typically reserved for far more expensive valve equipment. This attention to detail extends throughout the entire signal path, ensuring optimal signal integrity and sonic performance.

Premium Components

The EVO 400 incorporates custom-designed toroidal and EI-frame transformers for left and right channel power supply, manufactured to exacting specifications from one of America's most prestigious transformer designers. Each transformer is fully encapsulated to ensure minimal hum and optimal isolation, delivering the renowned PrimaLuna sound signature that combines valve midrange warmth with sparkling highs and precise bass.

Additional premium components include:

• Motorised ALPS volume controls
• Nichicon and DuRoch polypropylene and tinfoil capacitors
• Superfast 5AR4 tube-rectifier circuitry
• Ceramic tube sockets
• Gold-plated panel-mounted RCA and XLR input and output jacks

Comprehensive Connectivity

The EVO 400 offers exceptional flexibility with multiple input and output options:

• 3 pairs of stereo RCA inputs
• 2 pairs of balanced XLR inputs
• 1 pair Home Theater input
• 1 pair RCA tape output
• 1 pair stereo RCA output
• 1 pair balanced XLR output

Advanced Features

The EVO 400 delivers an impressive array of user-friendly features:

• 100% shielded phonostage box for the optional PhonoLogue moving magnet circuit
• PrimaLuna SoftStart smart circuit design for extended component life
• PTP™ (Power Transformer Protection) circuit to prevent overheating damage
• Heavy metal remote control that is substantial yet elegant

Technical Specifications

• Model: EVO 400-3
• Output: 2V per channel
• Frequency Response: 18 Hz – 38 kHz +/- 1 dB, 12 Hz – 75 kHz +/- 3 dB
• THD: < 0.5% @ 2V
• S/N Ratio: 93 dB (98 dB A weighted)
• Input Impedance: 220 kOhm
• Input Sensitivity: 650 mV for rated output at maximum volume
• Gain: 9.7 dB
• Dimensions: 405 x 385 x 205 mm (L x W x H)
• Weight: 24 kg
• Tube Complement: 2 x 5AR4, 6 x 12AU7
• Output Impedance: 256 Ohm

Expert Acclaim

"...the all-tube EVO 400 develops deeper, darker shadows, is more three-dimensional, makes more saturated tonal color, and has more eye-catching highlights...Old-school tube aficionados would likely describe the EVO 400 as the clearest, fastest, most transparent all-tube preamp ever." - Herb Reichert, Stereophile

"If purity of expression and tonal realism are two of your sonic priorities, get ready to embrace the EVO 400. I certainly did. In a nutshell, it's an insane audio bargain that delivers pure tube magic" - Dick Olsher, The Absolute Sound

Experience the remarkable craftsmanship, flexibility, and musicality that have earned the PrimaLuna EVO 400 Preamplifier its reputation as one of the finest valve preamplifiers available. Visit our demonstration rooms to discover why leading audio critics consider this preamplifier a reference-level component at its price point.