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LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) !

  • $6.99

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150W Class AB power amplifier assembled based on Symasym5-3 !

  • $59.99

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R-core transformer 50VA OFC wire 16Vx2 1A 9Vx3 0.6A w/copper shielding/wire !

  • $46.99

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L Cao FA-8 alnico matched full range speaker 8 inches pair !

  • $374.99

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toroidal transformer 170V 0.15A 6.3V 3.15Vx2 2A for tube preamp headphone amp !

  • $34.39

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L Cao ribbon super tweeter LARK one pair in box !

  • $133.99

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Vishay high speed lowloss diode module for high speed power rectification 1 pc !

  • $7.79

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Toshiba 2SA1943/SC5200 one pair for high power amplifiers !

  • $6.99

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TDA2030A audio power amplifier module one piece !

  • $4.99

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DC-coupled Low noise compact stereo preamplifier highly reliable assembled !

  • $21.29

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2SK364BL/2SJ104BL(used) low noise N/P-channel J-FET matched Idss to 2% 1 pair !!

  • $9.49

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E88CC input 6H6N output White Cathode Follower headphone amplifier assembled !

  • $45.89

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MOSFET single stage pre-amplifer ZEN PCB

  • $10.99

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Power supply PCB for DIY First Watt class A Power amplifiers !

  • $14.99

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LM317/337 dual rail regulator kit for preamplifier/headphone amp (red) !

  • $17.99

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Vishay Dale RW68 wirewound 10 ohm 11W 1% mil grade power resistor 2 pieces !

  • $5.99

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Wima MKC 1.0uF 400V capacitor 2pc used good for audio application !

  • $4.49

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Wima MKP 10 audio grade 4.7uF 160VDC 100VAC capacitor 1 pieces used

  • $3.19

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Symmetric Complementary J-FET preamplifier JC-2 with J-FET output PCB stereo !

  • $14.99

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Modular J-FET preamplifier JC-2 w/JFET buffer o/p compact PCB stereo !

  • $14.99

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Power JFET SE 15W( 8 ohm) amplifier based on F3 stereo PCB !

  • $22.99

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Tube electronic 2-way crossover based on EC-2 premium grade PCB !

  • $36.99

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Duelund 3.0 version bulk silver wire sell at per meter no compromise spk cable !

  • $145.99

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Passive stereo tone control w/ loudness button assembled low distortion !

  • $31.39

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High current regulator NI35 PCB for class AB power amplifier NAP130 250 !

  • $16.59

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Kubota low noise regulator plus high speed bridge rectified and filtering PCB !!

  • $37.49

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Authentic sound Tube line stage 12AY7 preamplifier PCB KSL M7 Line !

  • $48.99

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Ultimate sound Tube phono & line stage 12AY7 preamplifier PCB KSL M77 !

  • $59.99

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Symmetric bal in/out Pure Class A MOSFET amplifier PCB UGS UP !

  • $42.59

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Hi-End DAC tube output stage by Andrea Ciuffoli !

  • $33.49

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Single board stereo PP Tube 2A3 power amplifier PCB premium PCB !

  • $54.99

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Mosfet class A stereo power buffer amp huge long PCB F4 !

  • $18.99

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JC-3 stereo Class A stereo amplifer PCB 25Wx2 compact green PCB 2 pieces !

  • $21.99

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Fountek Neo X 2.0 ribbon tweeter one piece !

  • $83.99

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30W Mosfet class A SE amplifier stereo based on Aleph 30 one pair

  • $29.99

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Tube amplifier PSU delay circuit w/ pwr transformer assembled one piece !!

  • $11.39

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Speaker banana plug Gold-plated Taiwan made 1 pair !!

  • $3.89

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Tone control w/balance & volume control preamplifier with servo regulation !

  • $20.99

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RM Audio Electrolytic capacitor 10000u 50V snap-in 2pc !!

  • $6.99

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RM Audio Electrolytic capacitor 15,000u 50V snap-in 2pc !!

  • $8.99
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