Eleven Audio / XIAUDIO Formula S + PowerMan headphone amplifier
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| Condition | |
| Payment methods |  |
| Ships from | Olympia, WA, 98501 |
| Ships to | United States |
| Package dimensions | 18.0" × 16.0" × 18.0" (25.0 lbs.) |
| Shipping carriers | USPS, UPS or FedEx |
| Shipping cost | Log in to see price |
 Average | Research Pricing |
Powerful solid state headphone amplifier, makes every pair of headphones sound great. 6W @ 16ohms is plenty to drive just about any non-electrostat. Has a high/low gain switch for stuff that needs lower power, though I don't think I'd plug IEMs into it.
The sound is extremely neutral, without sounding dead. The best sound stage / imaging I've ever heard. Extremely fast and sharp, and made more so by the addition of the PowerMan external power supply. If you've heard Wilson Audio speakers or Dan D'Agostino amps: it's similar in sound to my ears: neutral while still being alive, and very fast.
The only reason I'm selling this is because of buying a tube amp at 3x the price. I would never part with it otherwise.
As many readers will know, this was originally designed to pair well with the Abyss 1266 Phi TC headphones. Abyss considers this a reference solid state amplifier for their headphones. Having said that, its sound is so uncolored, it really just brings out the best of whatever you are plugging into it, in my opinion.
MSRP is ~$5,900 for the Formula S / PowerMan pair, and never on sale that I've seen. There are plenty of these out in the world I think, but rarely do they come up for sale. This is your chance.
Note: mine are wired for RCA inputs. As Joe, the owner of Abyss, pointed out to me over the phone, there isn't a strong reason to swap this particular amp to XLR inputs, because of its design. However, it can be done for a fee, paid to Abyss.
One minor scratch on the edge of the Powerman, see last pic.
Reference: https://headfonics.com/xi-audio-formula-s-review/2/
FEATURES:
- Full Class A output for smooth powerful sound
- High quality design and components throughout
- All aluminum construction with durable beaded finish and permanent laser markings
- Provides three of the most popular output connections for high
performance headphones, 1/4" (6.3 mm), 4 pin XLR, and dual 3 pin XLR - High quality ALPS volume control goes from 'zero to Eleven'
- Fully regulated power supplies
- Output protection and turn-on/turn-off delay keeps your high end headphone investment safe.
- Single set of inputs wired direct to the volume control with JPS
Labs Alumiloy® wire, no switches or extra circuit paths. Choose XLR or
RCA inputs. - Designed with the ABYSS AB-1266 planar headphone for high resolution
playback and ultimate bass control with the most demanding headphones - 115/230 VAC AC input selector with standard grounded IEC AC cord socket (Standard IEC C13 AC cable not included
- Circular connector for connection to Powerman
SPECS:
- Input Z: 10 Kohms
- Output: 6W @ 16 ohms
- Input Sensitivity: 1000 mV
- Gain: Selectable 10 dB (Low) / 16 dB (High)
- THD: 0.0006% @ 300 mW, distortion character compensated for high-end music playback
- Noise floor: -110 dBV
- Dimensions: 24 cm x 29.3 cm x 13 cm (9.5"W x 11.5"D x 5.1"H)
- Weight: 4.8 kg (10.5 lbs) (amp only)
- 100-115VAC/230 VAC, 50/60 Hz, CE certified
Questions for the seller |
|---|
| Hello, what yours best price and how old yours unit?
Thank You Hey there!
The unit is a little under 18 months old.
I haven't thought much about best price; I think $4,000 is pretty fair. If it doesn't sell within 2-3 weeks I'll consider that question more :) |
| you would have better luck selling this if you had it in the correct category which is Headphone / Headphone amp Ah I didn't see that one on first glance. Thanks for the catch :) Updated. |
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Item can be returned within 7 days of receipt.
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Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
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