Sound Lab Sale

I like tube rolling, experimenting with tweaks and mods, demoing different amps, DACs, and headphones. Here's a variety of quality used hi-fi and head-fi gear straight from my Sound Lab. Buy with confidence. Please message me with any questions or offers. Payment methods accepted are Zelle, PayPal Friends, or Cash App. 


JDS Labs Objective2 Headphone Amp and OL DAC

JDS Labs Objective2 and OL DAC

An affordable classic desktop headphone amp/DAC stack that was (is still?) very popular in the head-fi community. It was a staple in my computer audio headphone setup for a long time and was used during many of my headphone reviews. The JDS Labs O2 headphone amp and OL DAC is a surprisingly good setup that can power a wide range of headphones and has excellent bang for the buck. This DAC unit has both USB and Optical inputs and the amp has the rechargeable batteries inside, but I honestly never used the unit when it wasn’t connected to power, so not sure about battery lifespan. Headphone jack has some wear but grips cables snug.

Nice Straightwire 6" RCA cables that are perfect for stacking these will be included with the stack sale.

Will ship in original boxes.

Prefer to sell as a set for $115 shipped in the U.S., but will sell as separates for $60 each shipped (no cables).

1950s/60s NOS Russian NEVZ Factory 6F6S "Cobra" Power Tubes

Russian 6F6S Cobra Power Tubes

NOS Russian Military tubes from the 1950s/60s. Coke-style bottle in factory boxes. 6F6S (6F6G, 6F6GT, KT63, N63 equivalent) pentode tube. Made at the NEVZ plant. 12 tubes available. Asking $12 per tube + shipping. Will sell in any quantity needed.

DH Labs Silver Sonic Sub-Sonic II Subwoofer Cable

DH Labs Sub Sonic II Subwoofer Cable

Like new DH Labs Silver Sonic Sub-Sonic II Subwoofer Cable. 6-meter RCA pair. Hardly used since I only used a sub temporarily. Asking $110 for the pair or $60 for a single cable, shipping in the U.S. included.

NOS Svetlana/SED Winged 'C' 6L6GC Matched Pair

Svetlana/SED Winged 'C' 6L6GC

Matched pair of Svetlana/SED Winged 'C' 6L6GC power tubes. New, unused tubes with new boxes. Matching batch/date code. Each tube reads =C= 6L6GC MADE IN RUSSIA 0420 OTK61. Asking $160 shipped in the U.S.

Genalex Gold Lion KT77 Power Tubes - Matched Octet

Genalex Gold Lion KT77

Purchased new as a matched octet in February 2020. Used sporadically as I was alternating amps. Estimated 500 hours on them, so essentially like new. Prefer to sell as an octet for $265 shipped in the U.S.

1969 Sylvania FAA 6SN7GTB

1969 Sylvania FAA 6SN7GTB

Purchased this as a balanced NOS tube when I had my Eddie Current Balancing Act headphone amp. I don't recall running it for too long as I rolled several 6SN7s through that amp and predominantly used Ken-Rads. This is a Sylvania FAA 6SN7GTB from 1969 with black plates and a large halo getter, clean pins. I do not have a tube tester to test current measurements, but I recall it being a very nice sounding tube while I did use it and it has been stored in its box since I sold the ECBA years ago. Asking $25 shipped in the U.S.

Baldwin (Raytheon) 6SN7GTB Black Plate

Baldwin (Raytheon) 6SN7GTB Black Plate

Purchased this as a balanced NOS tube when I had my Eddie Current Balancing Act headphone amp. I don't recall running it for too long as I rolled several 6SN7s through that amp and predominantly used Ken-Rads. Likely Raytheon made. This tube had balanced channels, has black plates, and a large halo getter, clean pins. I do not have a tube tester to test current measurements, but it was labeled as 2450/2600/2600 when purchased. Asking $25 shipped in the U.S.

Tung Sol KT120 Power Tubes - Matched Octet

Tung Sol KT120 Power Tubes

These came with my PrimaLuna amp and were used for about 3-4 years before I started rolling different power tubes. One tube has a guide pin cracked off, but it still works and is not causing a bad tube indicator on my amp. The others are all fine with the same oxidation at the bases that appears to be typical of this tube since all of mine have developed it. Prefer to sell as an octet for $160 shipped Priority Mail in the U.S. I will sell these as pairs ($45 shipped First Class) or quads ($85 shipped Priority).

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