Tortuga Audio LDRx Passive Preamp
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| Condition | |
| Payment methods |  |
| Ships from | Columbia, TN, 38401 |
| Ships to | United States |
| Package dimensions | 15.0" × 15.0" × 8.0" (12.0 lbs.) |
| Shipping carriers | USPS or UPS |
| Shipping cost | Log in to see price |
| Original accessories | Remote Control, Box, Manual |
 Average | Research Pricing |
The Tortuga LDRx is an audiophile grade passive preamp which comes standard with Cardas GRFA-L RCA jacks: 3 inputs and dual (parallel) outputs. Internal wiring is high quality Milspec teflon coated 26AWG silver coated copper wire.
Simple 7-button Apple Remote provides remote control, along with a rotary encoder with integral push-button located on the front panel. Volume level and status information are provided via a pair of digital displays that are invisible when the unit is off.
Specifications
- Preamplifier Type: Passive unity gain without buffer | attenuation via light dependent resistors (LDRs) in an LPad configuration
- Attenuation Range: –60 dB to 0 dB in a 70 step attenuation schedule
- Nominal Input Impedance: 20k ohms
- Control System: Software based (updateable) 8 bit digital microcontroller driving 12 bit digital-to-analog volume control
- Software : Updateable via download from website and upload via USB cable from PC
- Auto Calibration: User enabled/disabled self-contained auto calibration of LDRs to correct for drift/aging
- Display: Dual numerical displays (blue) providing volume and status information
https://tortugaaudio.com/products/archive/ldrx-passive-preamp/
The unit has no issues either cosmetically or sonically. Includes factory packing, power cable, Apple remote & photocopy of operating instructions.
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