hificollective one stop for hifi kits, components hi-fi diyers build you own valve amps from scratch, dabble in speaker design, a component tweaker or a true beginner.

last month upto 1500+ products sales from these catagories. you can choose a product from here and save money.

all the parts you need to modify, repair, or build guitars, guitar amplifiers, antique radios and more

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at synergistic research we focus on a total-system approach, creating synergy in your system. your audio experience will be taken to a whole other level.

the best vacuum tubes: power tubes and preamp tubes matched for any guitar amp or stereo tube amplifier. not sure which tube you need? let us help you.

free support for loudspeaker projects, sourcing oem speaker building supplies, and passive crossover design. we sell raw speaker drivers (tweeters, woofers, subwoofer, midrange drivers, full range drivers), speaker kits, amplifiers, capacitors, resistors, and inductors.