RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
PLEASE CHECK AVAILABILITY BEFORE CONFIRMING YOUR PURCHASE! Our stock can change any minute – we sell through various sales channels.Brand New! – Closed BoxWe are authorised dealers of the finest audio gear and musical instruments.Note 1: Free shipping within EU. Shipping price to any other country is an estimate. Please message us for specific shipping price to your particular location.Note 2: This product is custom ordered, please check availability and/or eventual shipping delay.Note 3: This product is factory set for 240V. If you need a different voltage, please message us.Note 4: We sell without taxes anywhere outside Europe and to valid VAT ID companies inside Europe. Please ask us your price without Tax in those cases.Note 5: We can quote any kind of bundle with our products at the most convenient prices. Just visit our store and ask for it.TAD A-1000 - EVOLUTION INTEGRATED AMPLIFIERINNOVATIONS TRANSFORM YOUR AUDIO EXPERIENCESThe first integrated amplifier from TAD—born from the fusion of our preamplifier and power amplifier technologies.Designed and engineered to reproduce the artist’s intent with absolute purity, the TAD-A1000 embodies the philosophy, materials, and mechanisms that bring music to life as it was meant to be heard.TechnologiesUltimate symmetry in circuitry and layoutIn the TAD-A1000, the circuit pattern and components are symmetrically arranged along the center of the chassis on the audio motherboard of the critical preamplification circuit to suppress even the slightest amplification errors between positive and negative signals, as well as between right and left channels. The pursuit of perfect symmetry extends further. We have laid out three power transformers, the chassis construction, and rear-panel jacks symmetrically to achieve optimal structural weight distribution and vibration balance.High-capacity transformer with greater purity and efficiencyThe internal coils of TAD-A1000’s high-capacity toroidal transformers are directly connected to its power supply circuit. The cross-section of the transformer core was designed in a circular shape to enhance the contact between the core and coils, thereby minimizing unwanted leakage magnetic flux and vibrations. This design results in a power supply with improved purity. Extremely low energy-conversion loss, thanks to the strong coupling between the primary and secondary winding of the transformer, low load fluctuations resulting from parallel winding, and the use of TAD’ s proprietary 33,000 μF electrolytic capacitors contribute to the analog power supply’s enhanced driving capability, even under abrupt load fluctuations, and outstanding high-speed responsiveness.Immaculate preamplification circuitThe TAD-A1000’s flat amplifier in the preamplification stage features a high-performance, single-stage current-feedback amplifier, initially developed for Reference Series preamplifiers. To optimize signal complementarity, we evaluated the performance characteristics of each FET device and selected matching pairs for positive and negative elements in the TAD-A1000. This attention to detail has substantially enhanced the stability of its preamplification circuit.Delivering 500W of Total PowerThe integration of an analog power supply circuit comprising twin high-capacity toroidal transformers and electrolytic capacitors with a Class-D output stage established the foundation for a pure amplification stage and an exceptionally high-speed and powerful response. Direct FET devices with ultra-low on-resistance in leadless packages facilitate signals with sharp rising edges. The highly efficient Class-D output stage, which generates minimum heat and eliminates the need for conventional heat sinks, delivers an impressive 250 watts of power per channel.Center-mounted, ball-bearing-supported volume knobThe volume knob exudes an exquisite aesthetic and tactile experience. It is meticulously mounted on high-precision ball bearings, ensuring an exceptionally smooth and effortless rotation, a hallmark of TAD’s hi-fi audio components. The center-mounted design of the volume knob signifies the symmetrical arrangement of the internal circuits. The TAD-A1000 adheres to a design language shared with other offerings in the Evolution Series.Elaborate vibration-control designInside the TAD-A1000, four independent chambers isolate the preamplifier, power amplifier, transformer, and control circuits, effectively suppressing vibration and maintaining stable grounding. The power supply section, both mechanically and electrically shielded, minimizes noise to ensure the purest possible signal transmission. Three feet with internally inverted spikes decouple the chassis from floor-borne vibrations, delivering tighter, more dynamic sound and a naturally expansive spatial image. Heavy-duty terminals—identical to those used in the Reference Series power amplifiers—provide secure cable connections and outstanding signal integrity.TAD’s custom-made parts and componentsThe TAD-A1000 incorporates numerous custom-designed components to achieve exceptional sound purity. Its precision electronic volume control delivers ultra-low distortion, while nonmagnetic parts and gold-plated OFC wiring ensure the highest signal integrity. In the power stage, four large-capacity electrolytic capacitors—developed through extensive testing and listening—provide powerful, responsive energy delivery.SPECIFICATIONSModel No.TAD-A1000Power Output250 W at 1kHz, 4ΩRated DistortionLess than 0.05 % at 1kHz, 4Ω 125WSignal-To-Noise Ratio100 dB or moreFrequency Response10 Hz to 50 kHz, +0/-3 dBGain (Balance)41.5 dBInput Terminal (Impedance)4 balanced inputs (100kΩ )2 unbalanced inputs (50kΩ )Power RequirementsAC 120 V, 60 Hz (USA)AC 220 V to 230 V, 50 Hz /60 Hz (Europe /Asia)Power Consumption130 WStandby Power Consumption0.5 W or lessDimensions440 mm (W) x 200 mm (H) x 553 mm (D) (17-5/16 in. (W) x 7-7/8 in. (H) x 21-3/4 in. (D))Weight29 kg (63.9 lb)
With the Evolution 2 now an older, discontinued generation, the timing matters mainly if you want TAD’s classic top-tier design without waiting for a newer replacement. At US$25,143, this sits just above the US$24,910 median and within the tight US$24,793–US$25,026 comparable band, so it reads as fair to slightly ambitious, not a bargain.
That still makes sense for a well-regarded TAD floorstander: these are prized for low coloration, coherence, and the kind of effortless dynamics that suit serious two-channel systems. If the pair is clean, complete, and ideally from careful ownership, the appeal is in getting a reference-grade speaker at a market-consistent ask. I’d mainly want to confirm condition, original stands/spikes, and whether any service history or packaging is included before moving quickly.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
TAD (Technical Audio Devices Laboratories, Inc.) traces its heritage to Pioneer Corporation, the Tokyo-based speaker manufacturer founded in 1937 by Nozomu Matsumoto. In 1975, Pioneer established the TAD Project as an advanced research division dedicated to professional-grade loudspeaker development. The first TAD compression driver, the TD-4001, debuted at the Acoustic Engineering Society convention in 1978 and quickly gained adoption across leading recording studios worldwide. By the early 2000s, TAD components had earned the confidence of professional sound engineers in over 300 studios across 20 countries. In 2007, TAD was formally spun off as an independent company, Technical Audio Devices Laboratories, Inc., to expand its reach into the high-end consumer audio market.
TAD specializes in both speaker systems and audio components, positioning itself as the only Japanese high-end manufacturer to excel in both categories. The company's product range includes reference-grade loudspeakers, integrated amplifiers, and digital audio components. Notable releases include the TAD-R1 reference speaker system (2007), the TAD-M600 integrated amplifier (2009), and the TAD-M4300 and TAD-2500 audio components (2010). This dual expertise reflects TAD's philosophy of designing complementary products that maximize sonic performance across the entire playback chain.
TAD occupies the premium high-end segment, commanding respect among discerning audiophiles and professional engineers alike. The brand's reputation rests on decades of professional audio credibility, rigorous engineering standards, and an uncompromising commitment to sonic accuracy. TAD's design philosophy centers on faithful music reproduction—preserving the artistic intent of recorded performances through advanced proprietary technologies and meticulous product development. This heritage and focus position TAD as a niche boutique manufacturer for serious listeners who prioritize sound quality above mass-market appeal.
See all TAD - Technical Audio Devices listings on RADAR.
