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Cary Audio Design CAD-300 SEI Tube Integrated Amplifier

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Original price $6,995.00 (62% Off Est. Retail)
Original price From $2,679.00
Original price $6,995.00 (62% Off Est. Retail)
Current price $2,679.00
From $2,679.00
Current price $2,679.00

+$99.00 Shipping to contiguous US.
Tax collected at checkout.

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Product Highlights

Cary Audio Design CAD-300 SEI delivers 15 watts per channel of pure Class A single-ended triode amplification, featuring a dedicated high-end headphone stage driven directly off the output transformers and three line-level RCA inputs. Handcrafted in the USA, this purist integrated amplifier unites 6SN7 preamplifier tubes with iconic 300B power triodes and premium air-gapped transformers to preserve complete analog integrity. The result is an intoxicatingly organic sound that captures every subtle vocal nuance with vivid, lifelike clarity.

Critical reception and audiophile consensus celebrate the CAD-300 SEI as a legendary benchmark in vacuum tube amplification. Listeners consistently laud its glorious, dimensional midrange, highlighting how vocals and acoustic instruments emerge with holographic presence and natural sweetness. Its spacious soundstaging, effortless tonal richness, and rock-solid reliability have cemented its standing as a cherished classic, particularly when paired with sensitive loudspeakers or demanding headphones.

Investing in this handcrafted centerpiece elevates daily listening into an intimate musical encounter, revealing delicate textures and harmonic realism that ordinary audio gear simply leaves behind. It embodies the timeless magic of the 300B tube, providing discerning music lovers with a breathtaking, fatigue-free audio experience to treasure for decades.
Brand Cary Audio Design
Type Integrated Amplifiers
Component Features
  • Onboard Headphone Amp
  • Tone Control
MSRP $6,995.00
SKU # 102394
Serial # 110438
Cosmetic Rating

7 - Good cosmetic condition with some minor visible cosmetic wear including surface scratches and a minor nick visible from listening position. These do not impact the functionality or the warm sound of this tube amplifier making it a great addition to any setup.

Functional Notes

Operational condition of this item is excellent, fully tested and no issues found.

Age 15 years or older
Owners 1
Service History None

Amplifier, (2x) JJ Electronic 300B Tubes, (2x) RCA Smoked Glass 6SN7 Tubes, (1x) Motorola 6SN7 Tube, Bias Meter, Power Cable, Factory Packaging

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Cary Audio Design CAD-300 SEI Tube Integrated Amplifier
Cary Audio Design CAD-300 SEI Tube Integrated Amplifier