Letting go of this absolute beauty as it has an intermittent fault on the right channel and I do not know of anyone reliable who can fix it!
I listen to it for many hours a day and the fault appears maybe once every few days for 2-5 minutes. Just a bit of distortion and sometimes goes a bit quieter than the other channel. It was re-capped in 2025 (all but the large capacitors), so sounds absolutely beautiful.
It is in excellent condition otherwise, inside and out. So if you know your way around these or have a reliable tech, you’re in luck.
Pick up in Glebe or buyer will need to arrange courier as it is too large and heavy for me to pack safely.
The item being advertised is sold "as is", and no warranty should be assumed unless otherwise indicated and agreed between the Buyer and the Seller. Photos representing the item being advertised form part of the description unless otherwise specified.
### Sound Quality
Users describe the sound as refined, robust, and audibly satisfying, frequently calling it "blown away" transformative on old speakers, with a sweet, mellow, laid-back character, strong power, and grip. One seller claims it may be the "most enjoyable piece" they've offered, outperforming brands like McIntosh and Luxman in plumb playback. However, some note it requires precise adjustments and restoration to avoid poor sound from deteriorated parts; unserviced units disappoint, while restored ones excel, especially in Japan where it's highly regarded. Dramatic improvements often stem from fixing prior amp issues rather than miracles.
### Build Quality
Consistently lauded as "built like a tank" with astounding quality, using advanced all-stage direct-coupled OCL circuitry (75W/ch into 8Ω, <0.1% THD), painstaking assembly, and premium features like sub-volume controls and pre/main ins/outs. Weighing 23.3kg with a solid, visually striking design (rated 9/10 with patina), it's the most refined in Sansui's AU series.
### Reliability
Reliability is strong when serviced, but its 1970s age, complexity, and part wear (e.g., pre-amp transistors, capacitors) make it a "roll of the dice" without maintenance—shops in Japan still service them regularly. Users advise full restoration for optimal performance, as neglected units underperform.
### Strengths
- Exceptional power and drive for most speakers, with low distortion and wide frequency response (15Hz-40kHz).
- Tube-like warmth without early transistor harshness, thanks to anti-TIM design.
- Versatile inputs (mic, MM, line) and high build prestige as Sansui's TOTL model.
- Time-capsule appeal with original packaging on pristine examples.
### Weaknesses
- Speaker matching issues: Sweet/laid-back tone doesn't suit all speakers.
- Servicing challenges due to age, weight (hard to ship), and part scarcity—requires expert tech work.
- Potential for subtle sound variances if not spec-adjusted; not a "miracle" amp universally.
### Overall Reputation
The AU-9500 enjoys a strong cult following as a "special" vintage icon, potentially Sansui's finest integrated, with enthusiastic owners unable to stop playing music post-purchase. It's recommended for buy if serviced or restorable (e.g., new-in-box units), but pass if unmaintained due to risks—values reflect pristine/restored condition.
### Typical Price Range by Condition
- Excellent/restored (fully serviced, minimal wear): AUD 1,800–2,200. Examples include a restored Japan Domestic Market unit at USD 1,889 (≈ AUD 2,870, but sale-priced lower), CA$1,850 (≈ AUD 2,035), and SEK 15,000–25,000 (≈ AUD 2,250–3,750, with higher end for premium condition).
- Very good/excellent operational (original, tested): AUD 1,500–1,900. Matches Reverb listings at USD 850–1,000 (≈ AUD 1,290–1,520) plus shipping, and a CA$2,000 listing (≈ AUD 2,200).
- Good/average used: AUD 1,200–1,600. Lower-end listings like EUR 1,200 (≈ AUD 1,980) or PLN 7,500 (≈ AUD 3,000, but negotiated lower) reflect functional units needing minor work.
Prices vary significantly by condition, as these are vintage 1970s solid-state amplifiers (no new stock available), with no listings for brand-new units.
### Key Factors Affecting Value
- Condition and service history: Fully restored by specialists (e.g., former Sansui technicians) commands premiums up to 50% higher due to recapped components and preserved original sound.
- Originality and accessories: Untouched early 1972 models or bundles (e.g., with TU-9500 tuner) add value; modifications reduce it.
- Location and voltage: Japan Domestic Market 100V units require step-up transformers for Australia (adding AUD 100–200), potentially lowering appeal vs. 220–240V export models.
- Market demand: High for this "flagship" 75W/ch model praised for direct-coupled OCL design and low distortion (0.1% THD); recent 2026 listings show steady interest in collector markets.
- Shipping and fees: International sales add 10–20% (e.g., USD 80–120 shipping), favoring local Australian buyers via eBay or Gumtree (scarce data).
This conservative range accounts for variability in global listings as of early 2026; actual Australian sales may trend 10–15% lower due to local supply.
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