PrimaLuna
PrimaLuna EVO 100 Integrated Amplifier | The Grid HiFi
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PrimaLuna EVO 100 Integrated Amplifier | The Grid HiFi
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Overview
PrimaLuna EVO 100 Tube Integrated Amplifier
40 watts per channel. Eight vacuum tubes. Pure analog simplicity.
The PrimaLuna EVO 100 brings traditional vacuum tube amplification into a compact, all-in-one stereo design. Delivering 40 watts per channel through four EL34 output tubes, it combines a preamplifier and power amplifier in a single chassis—ideal for building a dedicated two-channel HiFi system without separate amplification components.
PrimaLuna's Adaptive AutoBias eliminates manual tube-bias adjustments, while custom-wound transformers and hand-wired point-to-point circuitry provide the foundation for its design. Four RCA inputs and an output-transformer-coupled tube headphone amplifier make the EVO 100 equally suited to loudspeaker and personal listening.
Key Features
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40W per channel: EL34 tube amplification in ultra-linear mode.
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Adaptive AutoBias: Continuously monitors and adjusts output tube bias.
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Bad Tube Indicator: Identifies a failed tube and activates protection circuitry.
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Tube headphone amplifier: Output-transformer-coupled design with a ¼-inch headphone connection.
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Tube flexibility: Supports compatible alternatives, including KT88 and KT120. The EVO 100 is not KT150 compatible.
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Custom transformers: Potted toroidal power transformer and custom-wound output transformers.
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Point-to-point wiring: Hand-wired signal path using heavy-gauge cable.
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Analog connectivity: Four stereo RCA inputs, a tape output, and 4Ω/8Ω speaker connections.
Technical Specifications
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Specification |
PrimaLuna EVO 100 Integrated |
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Amplifier type |
Vacuum tube integrated amplifier |
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Output power |
40W × 2 |
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Power rating conditions |
EL34 tubes, 8Ω, 1% THD |
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Operating mode |
Ultra-linear |
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Frequency response |
10Hz–75Hz ±3dB* |
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Total harmonic distortion |
Less than 0.2% at 1W; less than 2% at rated power |
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Signal-to-noise ratio |
90dB |
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Input sensitivity |
260mV |
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Analog inputs |
4 × stereo RCA |
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Speaker outputs |
4Ω and 8Ω |
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Additional outputs |
Stereo RCA tape out; ¼-inch headphone |
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Standard tube complement |
2 × 12AX7, 2 × 12AU7, 4 × EL34 |
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Power consumption |
270W |
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Dimensions (W × H × D) |
11 × 7.5 × 15.9 in. |
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Weight |
39.6 lb |
Complete Your HiFi System
The EVO 100 is an all-analog integrated amplifier without a built-in DAC or phono stage. Pair it with your preferred streamer, external DAC, or phono preamplifier and a carefully matched pair of loudspeakers.
Discover PrimaLuna at The Grid HiFi. Our Houston team can help you choose the right source components and speakers for your listening space.
FAQs
Please read our FAQs page to find out more.
Do you price match?
Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.
Do you offer free shipping?
Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.
Where is your showroom?
We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.
Can I buy online without visiting the showroom?
Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.
Do you offer financing?
Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.
Do you install systems as well as sell equipment?
Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.
Do you provide support after installation?
Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.