DenonAU-S1usedDenon AU-S1 MC Step Up Transformer SUT: Huge 78 Permalloy Cores, 6N Copper, 7.1lb Aluminum EnclosureI'm selling my Denon AU-S1 MC step up transformer. This unit has one ding on the lower front left corner and a couple of small scratches on the front and top (see photos). This is a fantastic SUT t...819.00

Denon AU-S1 MC Step Up Transformer SUT: Huge 78 Permalloy Cores, 6N Copper, 7.1lb Aluminum Enclosure [Expired]


no longer for sale

I'm selling my Denon AU-S1 MC step up transformer. This unit has one ding on the lower front left corner and a couple of small scratches on the front and top (see photos). This is a fantastic SUT that I've run in my system with multiple Denon, Dynavactor, Rega, and GAS cartridges - making each one of them sound amazing. It's also the quietest SUT I've heard, likely due to the massive heavyweight aluminum enclosure (7.1 pounds) and the independent, isolated cores. No box or documentation. Unit will be shipped insured and will require a signature to release.

Denon AU-S1 MC Step-up Transformer Specifications
- Boosting ratio: 1:13
- Load impedance: 47k ohms
- Frequency range: 10Hz-80kHz
- Size: W150 x H70 x D175mm
- Weight: 3.2 kg (7.1 lbs.)

"Considered one of the best step-up MC transformers in the world at any price, the Denon AU-S1 also continues to be affordable. Made from high rigidity, non-magnetic aluminum for isolation and non-resonance, the Left and Right channels are independent from the unit's hollow structure. Large-sized 78 perm-alloy cores are used for near zero magnetostriction and highest fidelity. The Denon AU-S1 is optimal for 3 - 40 ohms correspondence."
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