var gParts = [ { "category" : "Project Circuit Boards",
"desc" : "The main circuit board for the PPA headphone amplifier design, version 2.0.",
"id" : "PPAAMP2",
"item" : "PPA v2 board",
"newflag" : "No",
"price" : "18",
"restock" : "",
"subtitle" : "high-end headphone amp",
"url" : "http://tangentsoft.net/audio/ppa/amp2/"
},
{ "category" : "Project Circuit Boards",
"desc" : "Circuit board for the PIMETA v2 headphone amplifier. New in 2.0: better buffers, more SMT options, 4-layer board, better bypass and power reservoir cap setup, new easier to use class A biasing scheme, the Scratchpad, and more!",
"id" : "PIMETA2",
"item" : "PIMETA v2 board",
"newflag" : "Yes",
"price" : "12",
"restock" : "",
"subtitle" : "mid-range headphone amp",
"url" : "http://tangentsoft.net/audio/pimeta2/"
},
{ "category" : "Project Circuit Boards",
"desc" : "Circuit board for the YJPS power supply circuit, version 1.2. An upgraded variant of the older STEPS board with a Jung super regulator and other improvements.",
"id" : "YJPS",
"item" : "YJPS board",
"newflag" : "Yes",
"price" : "18",
"restock" : "",
"subtitle" : "all-in-one ultra-low noise power supply circuit",
"url" : "http://tangentsoft.net/elec/yjps/"
},
{ "category" : "Project Circuit Boards",
"desc" : "Circuit board for the TREAD power supply circuit, version 1.1.",
"id" : "TREADBRD",
"item" : "TREAD board",
"newflag" : "No",
"price" : "5",
"restock" : "",
"subtitle" : "simple power supply circuit",
"url" : "http://tangentsoft.net/elec/tread/"
},
{ "category" : "Project Circuit Boards",
"desc" : "Circuit board for Chu Moy\u2019s modified Linkwitz crossfeed circuit. Designed to be mounted to the PIMETA or PPA amplifier boards, but will work with many other types of audio circuits. Includes 3/4\" spacers. Circuit board v1.2.",
"id" : "MLXFEED",
"item" : "Crossfeed board",
"newflag" : "No",
"price" : "5",
"restock" : "",
"subtitle" : "for PPA and PIMETA",
"url" : "http://tangentsoft.net/audio/mlxfeed.html"
},
{ "category" : "Kits",
"desc" : "This is the TREAD v1.1 circuit board plus all of the parts you need to put together a complete adjustable power supply except for the actual power source and the heat sink. Click the link above for a complete list of parts included, plus other details.",
"id" : "TREADKIT",
"item" : "TREAD kit",
"newflag" : "No",
"price" : "17",
"restock" : "",
"subtitle" : "",
"url" : "details/treadkit.html"
},
{ "category" : "Kits",
"desc" : "This is the modified Linkwitz crossfeed v1.2 circuit board and standoffs plus the capacitors and resistors for the high-impedance version of the circuit. You will need to add the switches, hookup wires, and mounting bolts. Click the link above for more details.",
"id" : "MLXFKIT",
"item" : "Crossfeed kit",
"newflag" : "No",
"price" : "12",
"restock" : "",
"subtitle" : "",
"url" : "details/mlxfkit.html"
},
{ "category" : "Chip Adapters",
"desc" : "Adapts a TLE2426 in SO-8 packaging to the TO-92 footprint. Useful for all of the amplifier circuits on this site, and many others. It has pads for the TLE2426\u2019s optional noise reduction capacitor, so it gives better performance than the TO-92 version without taking up additional board space.",
"id" : "ADAPTLEBRD",
"item" : "ADAPTLE board",
"newflag" : "No",
"price" : "1.25",
"restock" : "",
"subtitle" : "TLE2426 adapter",
"url" : "http://tangentsoft.net/elec/adaptle.html"
},
{ "category" : "Chip Adapters",
"desc" : "Adapts two single-channel DIP-8 op-amps to a dual DIP-8 pinout. Useful for OPALR in the PIMETA, among other things. BrownDog part #021001.",
"id" : "ADAPDIP8OPA",
"item" : "DIP-8 op-amp adapter",
"newflag" : "No",
"price" : "4",
"restock" : "",
"subtitle" : "",
"url" : "http://cimarrontechnology.com/index.asp?PageAction=VIEWPROD&ProdID=9"
},
{ "category" : "Chip Adapters",
"desc" : "Adapts any SO-8 chip straight to DIP-8, with no pinout change. Useful for most of the amp circuits on this site, plus many other circuits. BrownDog part #970601.",
"id" : "ADAPSO8DIP8",
"item" : "SO-8 to DIP-8 adapter",
"newflag" : "No",
"price" : "3",
"restock" : "",
"subtitle" : "",
"url" : "http://cimarrontechnology.com/index.asp?PageAction=VIEWPROD&ProdID=12"
},
{ "category" : "Chip Adapters",
"desc" : "Adapts two single-channel SO-8 op-amps to a dual DIP-8 pinout. Useful for OPALR on the PIMETA, among other things. BrownDog part# #020302.",
"id" : "ADAPSO8OPA",
"item" : "SO-8 op-amp adapter",
"newflag" : "No",
"price" : "3",
"restock" : "",
"subtitle" : "",
"url" : "http://cimarrontechnology.com/index.asp?PageAction=VIEWPROD&ProdID=24"
},
{ "category" : "Potentiometers",
"desc" : "High-end volume control for PPAs and PIMETAs. The PPA also uses this pot for its adjustable bass boost, so you\u2019ll need two of them per amplifier if you use that feature. The pot\u2019s resistance is 50 KΩ, making it widely compatible with a lot of equipment while still adding very little noise to your circuit. The pot\u2019s body is roughly a 1 inch cube. The shaft extends 25mm from the mounting surface, but it is easy to trim it to fit a shallower knob. The exact part number is RK27112A0-S25-C0-A503.",
"id" : "ALPSRK27",
"item" : "ALPS RK27, 50K",
"newflag" : "No",
"price" : "16",
"restock" : "March...ish",
"subtitle" : "stereo audio taper",
"url" : "http://www3.alps.com/WebObjects/catalog.woa/E/HTML/Potentiometer/MetalShaft/RK271/RK271_list.html"
},
{ "category" : "Potentiometers",
"desc" : "Same as previous item, except that the resistance is 100 KΩ and the shaft is a little shorter at 20mm. I am only carrying these temporarily, so get them while you can.\n\nIt is ALPS part number RK27112A00AK.",
"id" : "ALPSRK27100",
"item" : "ALPS RK27, 100K",
"newflag" : "No",
"price" : "16",
"restock" : "",
"subtitle" : "stereo audio taper",
"url" : "http://www3.alps.com/WebObjects/catalog.woa/E/HTML/Potentiometer/MetalShaft/RK271/RK271_list.html"
},
{ "category" : "Potentiometers",
"desc" : "Fits the PIMETA amplifier directly, and can be adapted to many others. Its performance is roughly on par with the popular Panasonic EVJ. Its main advantages relative to the EVJ are small cross-section (9mm wide \u00d7 11mm high) and a built-in power switch. This makes it possible to use more compact enclosures. Unlike the EVJ, it\u2019s much deeper behind the panel: about 16mm. The exact part number is RK0971221Z05.",
"id" : "ALPSRK097",
"item" : "ALPS RK097",
"newflag" : "No",
"price" : "2.75",
"restock" : "",
"subtitle" : "10 KΩ, stereo audio taper",
"url" : "http://www3.alps.com/WebObjects/catalog.woa/E/HTML/Potentiometer/MetalShaft/RK097/RK097_list.html"
},
{ "category" : "Capacitors",
"desc" : "Ideal for PIMETA's C4. If you get these, you need 2 per PIMETA board.",
"id" : "WIMA6850",
"item" : "Wima MKS-2 6.8 uF/50 V",
"newflag" : "No",
"price" : "4.5",
"restock" : "",
"subtitle" : "metalized polyester film cap",
"url" : ""
},
{ "category" : "Miscellaneous",
"desc" : "I still have some of these in stock because of the PINT project. Not recommended for any of the current amplifier circuits I\u2019m offering.",
"id" : "AD8397ARZ",
"item" : "AD8397ARZ",
"newflag" : "No",
"price" : "5.25",
"restock" : "",
"subtitle" : "dual-channel op-amp",
"url" : ""
},
{ "category" : "Miscellaneous",
"desc" : "Kester 1544 liquid flux in a squeezable needle bottle. I find this method of flux dispensing to be less messy and more precise than using a flux pen. Important note: I can only ship this to US addresses, and it must go by surface mail, because the USPS doesn\u2019t want to carry flammable liquids on their planes. Surface mail is slower than any of the other services, so if you order other things and want them shipped faster, place two separate orders.",
"id" : "FLUXBOTTLE",
"item" : "Bottled rosin flux",
"newflag" : "No",
"price" : "6",
"restock" : "",
"subtitle" : "Better than a flux pen",
"url" : "http://www.kester.com/en-us/products/prodcat_detail.aspx?pid=25"
}
]