MattyW Posted April 12, 2022 Posted April 12, 2022 Further information: For your consideration is my recently acquired Tortuga LDR300x V3 Active preamp. After all the upgrades and modifications I've done to it it's the second best performing pre I've had the pleasure of running ahead of the DACGEAR LDR Pre Mk.2 and marginally behind my significantly more expensive (around $6k) icOn 4PRO Slagleformer based pre. I originally sourced the Tortuga pre due to its ability to provide additional current drive into two separate power amplifiers for bi-amping so if looking to output to more than one amp this is the unit for you. This unit has 2x selectable outputs which can be output to either individually or both at once, and 3x inputs all controllable from the Apple Remote. The USB on the rear of the unit is for firmware updates. Something which was invaluable as being an early production unit there were a number of issues which were promptly fixed in a later firmware release upon my feedback. These cost $1,800 new without upgrades. It has the following upgrades which are part of the listing which have lifted performance noticeably over stock. In it's stock for the DACGEAR was the more transparent unit: 1. Staccato Osh discrete OPAMP (cost about $200) 2. TeraDak linear power supply (cost about $180) 3. Synergistic Research Purple fuse (cost $320) + spare Aucharm gold/silver nanofilament immersed in mineral oil (for vibration damping) fuse (cost $180 I think?) 4. Pure silver DC umbilical with Oyaide DC plug (cost $150) Please note that a kettle lead is not included as it wouldn't fit into the box when I packed it. Questions welcomed.
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