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BURSON Discrete OP AMP Modules
IC-based op amps are used in audio for several reasons...ease of design;
ease of assembly; and their low cost....but not sound quality. IC-based op amps suffer
from EMI noise, inconsistent quality and were NEVER designed for audio. 
However, the "discrete" op amp modules from BURSON AUDIO are !
Featuring:
- a sophisticated Voltage Differential Amplification network
- audio-grade transistors, 1% resistors and a gold-plated pcb
- 34 parts per single module; 68 parts per dual module
- meticulously hand assembly
- stringent testing, burn-in and matching procedures
....these modules dramatically exceed the subjective (sound quality) and objective
(test measurement) performance of any IC-based op amp.
Simply the best op amp in the world !
BURSON-71484
Dual Discrete Op Amp Modules, pair
pcX Selling Price: $179.95/pr
BURSON-71485
Dual Discrete Op Amp Module, single
pcX Selling Price: $89.95 each.
BURSON-701486
Single Discrete Op Amp Modules, pair
pcX Selling Price: $114.95/pr
Please e-mail order@partsconnexion.com to place an order today!
NOS Tubes -Recent Additions
All prices 15% off thru July 31st. |
- NOS-71480
Siemens ECC82
pcX price: $29.95 each
- NOS-71481
Telefunken ECC82 (East German made)
pcX price: $49.95 each
- NOS-71473
Philips Miniwatt 6DJ8 (Holland)
pcX price: $79.95 each
- NOS-71472
Sylvania JHS 5687WA (Joint House Sub-Committee - USA)
pcX price: $27.95 each
- NOS-69213
Amperex 6DJ8/ECC88 (H-P branded - Holland)
pcX price: $99.95 each
- NOS-69065
Amperex 6DJ8/ECC88(Orange Globe - Holland)
pcX price: $109.95 each
- NOS-69066
Amperex 6DJ8/ECC88 (Bugle Boy - Holland)
pcX price: $119.95 each
- NOS-71477
Amperex 6DJ8 (PQ - Precision Quality - Holland)
pcX price: $139.95 each
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- NOS-71482
Sylvania JAN 6SN7WGTA (black base)
pcX price: $54.95 each
- NOS-71483
Siemens ECC801S (super 12AT7)
pcX price: $49.95 each
- NOS-69098
Amperex 6DJ8/ECC88 (Holland)
pcX price: $99.95 each
- NOS-69212
Amperex 6DJ8/ECC88 (RCA branded - Holland)
pcX price: $99.95 each
- NOS-66091
Siemens E88CC/6922 (Gold Pins)
pcX price: $179.95 /mp
- NOS-64274
Tesla E88CC/6922 (1960's - Gold Pins)
pcX price: $65.00 /mp
- NOS-71476
Amperex 6DJ8/ECC88 (some RCA branded - Holland)
pcX price: $99.95 each
- NOS-69215
Mullard E88CC/6922 (Great Britain)
pcX price: $99.95 each
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Please e-mail order@partsconnexion.com to place an order today!
FURUTECH Select Series Pure Transmission Fuses
20mm and 32mm Nonmagnetic Time-lag Fuses
Material: Copper Caps with direct rhodium plating.
Conductor: Special low induction copper alloy.
pcX Audio connoisseurs know that all links in the signal path are as important as the next. Furutech engineers solutions that optimize every pathway and junction; any unaccounted for characteristic weakness (i.e., contact resistance, EMI-radiating junctions, RFI) diminishes performance as noise and distortion builds. Using the best materials and processes available along with meticulous attention to build quality is a large part of the Pure Transmission engineering equation: The fuse is equipped with rhodium-plated OFC copper caps and a special low-inductance copper alloy conductor, ceramic body with special damping filler. All metal parts treated with Furutech’s patented Alpha Super Cryogenic and Demagnetizing process. These beautifully made audiophile fuses are engineered to withstand 1 nanosecond at a full 1500 watts, and rated at 125mA/6.3A.
Plug a Furutech power cord into one of their high performance outlets covered with the exquisite resonance-damped carbon fiber-over-stainless outlet cover to an e-TP609 power distributor or e-TP80 filtered AC distributor, equip your front-end components with high performance fuses and power cords, and you’ve gone a long way towards a powerful, satisfying musical experience.
5 X 20mm Slow Blow Rhodium Plated Cap w/Copper Alloy Filament
FTECH-71450 1A
pcX price: $40.00 USD
FTECH-71451 2A
pcX price: $40.00 USD
FTECH-71452 3.15A
pcX price: $40.00 USD
FTECH-71453 4A
pcX price: $40.00 USD
FTECH-71454 6.3A
pcX price: $40.00 USD
FTECH-71455 8A
pcX price: $40.00 USD
FTECH-71456 10A
pcX price: $40.00 USD
6.3 X 32mm Slow Blow Rhodium Plated Cap w/Copper Alloy Filament
FTECH-71457 1A
pcX price: $45.00 USD
FTECH-71458 2A
pcX price: $45.00 USD
FTECH-71459 3.15A
pcX price: $45.00 USD
FTECH-71460 4A
pcX price: $45.00 USD
FTECH-71461 6.3A
pcX price: $45.00 USD
FTECH-71462 8A
pcX price: $45.00 USD
FTECH-71463 10A
pcX price: $45.00 USD
FTECH-71464 15A
pcX price: $45.00 USD
Please e-mail order@partsconnexion.com to place an order today!
TKD 2CP-2508 Stereo 100K Potentiometer
pcX is please to now offer a "special" TKD volume potentiometer, not offered by any other DIY hobbyist source.
A consistent comment about TKD's popular 2CP-2511 control is it's pro-style "fader-like" taper....which is not always desired by HiFi hobbyists.

What pcX has chosen (with the assistance with TKD's technical support engineers) is TKD's 2CP2508 part.....a stereo 100K pot, with a 300 degree rotational angle, and most importantly, with TKD's A taper...which mimic's the familiar "audio/log" taper offered by long-time industry leaders for HiFi audio potentiometers, ALPS and NOBLE.
If you want the best sub-$100 "audio taper" potentiometer on the planet, this is the part to choose !
TKD-70897
2CP-2508 series, Stereo, 100K potentiometer
pcX Selling Price: $99.95 USD each.
Please e-mail order@partsconnexion.com to place an order today!
GOLDEN DRAGON Tube Rings (by Duende Criatura)
GOLDEN DRAGON Tube Rings by Duende Criatura considerably reduce distortion and self-oscillation from audio tubes. They have to be slid around the top part of the tube and where they reduce mechanical vibrations in the tube. The listener will notice improvement of three dimensional picture, a more controlled bass and cleaner sound stage.
The before mentioned effects are at their best when the tube ring is sitting around the top part of the tube. The tube’s ability to radiate heat will be unaffected.
The base ring has been manufactured of pure grade Teflon because Teflon has a high specific weight and good dampening characteristics. Teflon can handle temperatures up to 260 degrees C., considerably above the typical tube working temperature of 160 to 220 degrees C. The titanium clamp insures an intense contact between Teflon ring and glass tube. Titanium has been used because tube circuitry are normally high-impedance designs and therefore sensitive to eddy-currents. Titanium, unlike other kinds of metal, does not carry eddy-currents.
Duende Criatura tube rings are the result of years of design and experimentation and can be used in pre stages, phase splitters and output stages. Improvement is recognizable in non-amplifying and high feedback stages, but sound improvement is at its optimum in amplifying and low feedback stages. The Duende Criatura tube rings are available in different sizes for most tube types. Non standard ring sizes can be manufactured on request. Tube rings can be easily cleaned in either a dishwasher or with degreasing soap and hot water.
DUENDE-71367
17.5 - 18mm Fitting for 12AE6, 12FK6, 6X4 (TR1)
pcX Price...$36.95 pair.
DUENDE-71368
19.5 - 22mm Fitting for ECC83, 12AX7, 6922, EL84,F86 (TR2)
pcX Price...$36.95 pair.
DUENDE-71369
26 - 29mm Fitting for 6SN7, 6SL7 etc. (TR3)
pcX Price...$39.95 pair.
DUENDE-71370
27 - 32mm Fitting for EL34, 6V6, 5AR4, KT77 etc. (TR4)
pcX Price...$45.95 pair.
DUENDE-71371
36 - 39mm Fitting for 6L6GC, KT90, 7027 etc (TR5) 
pcX Price...$45.95 pair.
DUENDE-71372
39 - 42mm Fitting for 2A3, 300B, EL37 etc. (TR6)
pcX Price...$53.95 pair.
DUENDE-71373
44 - 48mm Fitting for 6550, KT88, KT66,etc. (TR7)
pcX Price...$55.95 pair.
DUENDE-71374
53 - 58mm Fitting for 211, 845, 805, 813 etc (TR8)
pcX Price...$59.95 pair.
Please e-mail order@partsconnexion.com to place an order today!
QQQ Tube Sockets
pcX is pleased to now be carrying a new range of sockets favoured in the Japanese DIY audio scene - the brand is QQQ (aka 3Q).
Both the 8-pin Octal and 9-pin types are chassis mount, with a nickel-plated brass frame, black phenolic socket material; and tin-plated phosphorus bronze contact material. The contact integrity is exceptional with these sockets. 
SOCKET-71375
8-Pin Octal
pcX price: $3.95 USD each
SOCKET-71376
9-Pin
pcX price: $3.50 USD each
Please e-mail order@partsconnexion.com to place an order today!
PHONO ACCESSORIES
pcX is please to now be stocking some valuable accessories for the die hard vinyl aficionado.
STYLUS FORCE GAUGE Digital Arm Load Meter
Digital Arm Load Meter (Stylus Force Gauge)
Specifications:
Capacity:
5g
Readability: +-0.001g
Weighing Mode: Gram
Tare Range: Tare Full Capacity
Auto Off: 120 Sec. Off
Display: 4 Digit Back Light LCD
PHONO-71415
Digital Arm Load Meter / Stylus Force Gauge
MSRP - $129.95.
pcX Price...$99.95
SUPER EXSTATIC Carbon Fibre Brush & Record Cleaning Pad
Highly effective solution to grime and dust inside the record groove. The carbon filter filaments (over 1,000,000 fibres) and a soft velvet cleaning pad remove the unwanted materials at a stroke, leaving the groove clean, prolonging the life of both the vinyl and stylus. 
PHONO-71414
MSRP - $34.95
pcX Price...$29.95
1877PHONO 5Litz7 Tonearm Wire
pcX is pleased to now stock a new tonearm wire - 5Litz7 - 5 x 33awg Litz High Conductivity Long Grain OFC Copper. The technical details and specifications for this wire are as follows:
Design: Proprietary vertical wound litz construction
Gauge: 33AWG

Material: LGCC (Long Grain Crystal Copper)
Coating:
- Double Polyurethane Enamel film (Colour coded)
- Red/Blue/Green/Natural/(Mixed for Ground)
Temperature Resistance: 155C°
Overall OD: 0.75mm
Features:
- Advanced low dielectric loss enamel film for higher resolution
- Directly solder-able with Enamel coating acting as a flux
- Moisture resistant
Mechanical Design:
- 5 x 33awg twisted LGCC conductor (R/B/G/N/M)
- Each 33awg conductor consist of 7 x 0.07mm wires twisted together
- (7x0.07mm) x 5 x 33awg
1877PH-71416
5Litz7 Tonearm Wire
MSRP - $48.00 /meter.
pcX Price...$41.95 /meter.
Please e-mail order@partsconnexion.com to place an order today!
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