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Posted (edited)

Item: Empirical OFF RAMP 4 USB CONVERTER with dual turbo clock plus Haynes usb regulator. $1400.oo Plus Empirical Audio Short Block USB filter. $200.oo

Location:Pascoe vale 3044

Price: ONO. OFF RAMP 4 $1,400 Empirical Short block USB filter $200. I would like to keep them both together becuase they work so well together.

Item Condition: Excellent condition.

Reason for selling: Up grading,

Payment Method: Pickup - Cash, Paypal, COD Only

Extra Info: The off 4 have a dual turbo clock with the haynes usb regulator in excellent condition. You will never find better unless you really start spending big $$$. This kill all usb converters I've tried up to date. The empirical short block usb filter really works good with the OFF RAMP 4. It gives it a blacker black and more of a 3D effect. Highly Recommend.

There's heaps of reviews on this baby world wide and this is a killer usb. If it's in your budget then don't waste your time with different usb converters as this is the holly grail of usb converters.

Pictures:

www.empiricalaudio.com.

Sidebar 1: Specifications Description: USB-AES/EBU, -S/PDIF, or -I2S data format converter for use with PCs and Macs (driver software included). Drivers available for Windows 7/Vista, Windows XP/2003, Mac OS X 10.6 (Snow Leopard), Mac OS X 10.5 (Leopard), Mac OS X 10.4 (Tiger). Input: USB 2.0–compliant. Operates in asynchronous isochronous mode. Output: S/PDIF electrical on RCA jack, AES/EBU on XLR jack, I2S on RJ-45 jack. Sample rates supported: 32, 44.1, 48, 88.2, 96, 176.4, 192kHz. Input/output bit depth: 16 or 24. Power supply: 12V DC wall wart. Options: Monolith lithium-ion battery power supply, one or two higher-quality clock modules, Hynes voltage regulator on USB module, Canare 75 ohm BNC jack or NextGen connector.

Dimensions: Off-Ramp 4: 4.25" (108mm) W by 2.5" (65mm) H inc. feet by 7.25" (185mm) D inc. RCA jack. Monolith battery supply: 6.75" (172mm) W by 2.5" (65mm) H inc. feet by 6.6" (168mm) D. Approximate weights: 1 lb (0.5kg), Off-Ramp; 3 lbs (1.4kg), battery supply.

Finish: Black-anodized aluminum.

short-block.jpg

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Empirical Audio Short Block USB filter

The Short Block is a USB cable filter that plugs in-line with the USB cable from your computer to your USB interface (either a USB converter or USB DAC). The Short Block is usually plugged into the USB DAC or USB converter and then the USB cable plugged into it. The purpose of the Short-Block is to improve audio quality by reducing jitter caused by common-mode noise on the USB cable.

Common-mode noise is voltage that develops on both of the differential signal lines in the USB cable. Ideally, this voltage would never be present or be fully rejected by the receiver USB interface, but in real systems with multiple grounds and imperfect USB drivers and receivers the noise is usually present and impacts audio quality. The Short Block reduces this common-mode noise, primarily at high-frequencies. If you have power-line hum in your system, it will generally not fix this.

The Short Block severs the +5V wire in the USB cable, so devices that rely on the +5V power in the USB cable cannot use the Short Block. The Short Block does not work reliably with the Off-Ramp 3, but works well with recent Overdrives, Off-Ramp 4 and Off-Ramp 5.

The Short block is a passive device, so it requires no power. The only requirement when using the Short Block is that the AC power for the computer of the system and the USB interface device (either USB converter or USB DAC) be source from the same AC circuit. This means using the same outlet or string of outlets from the AC panel. This minimizes the common-mode noise by itself and prevents potentially damaging voltages from being developed between the computer and the USB interface when the Short Block is installed.

The difference with the Short-Block is usually not subtle. It will take a soundstage that is relatively flat in depth and improve the depth and imaging significantly. A much more 3D presentation.

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Edited by audiohifiaudio

Posted (edited)

This is not cheap but it's one of the best usb converters out there..... :thumb: :bump: :bump: :bump: :bump: :bump: :bump:

 

 

I'm dropping the price for the off ramp 4 to $1,200.00 for a quick sale

 

I'm dropping the price for the audio short block to $200 for a quick sale.

Edited by audiohifiaudio
  • 2 weeks later...
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