Hagerman Technology LLC is a small company focused on the design and manufacture of audiophile-grade electronics.
We offer unique products that provide true value through innovation and elegance - from the fertile and creative
imagination of designer Jim Hagerman. All products are handcrafted in the USA and come with a
10 year warranty and 30 day trial period (10% restocking fee). Free shipping!
Performance DIY Kits
Piccolo moving coil headamp uses a very quiet and clean discrete JFET
circuit to provide both adjustable gain and loading. Powered by internal batteries or external supply.
"Piccolo" mc headamp
HagUsb connects a computer to your audio system via USB. It provides
both headphone and S/PDIF digital audio outputs. Self powered and compact.
"HagUsb" converter
The Ripper connects your turntable to your computer via USB. This superb
solid state phonostage is combined with a 16-bit ADC and DAC to make a complete standalone LP-to-CD
ripping station.
"The Ripper" recording phono
Castanet tube headphone amp provides outputs for both low impedance
(Grado) and high impedance (Sennheiser) phones.
"Castanet" headphone amp
Chime USB DAC employs a re-clocked 8x upfiltered 24 bit converter
with passive I-V to create a full featured Redbook CD DAC. Amplification is all vacuum tube for the
ultimate in sonics. Extremely smooth and grain-free sound.
"Chime" usb dac
Cornet2 phono improves on the original Cornet circuit by employing
a larger transformer and adding a mono switch.
"Cornet2" phono
Clarinet linestage employs an all-tube SRPP circuit that features no feedback,
low distortion, and low output impedance. Very high build quality.
"Clarinet" linestage
Cymbal power amplifier is an 8W monoblock featuring
super-linear 6H30 triodes in a pure class-A push/pull zero feedback configuration.
"Cymbal" power amp
Budget DIY Kits
Bugle phono is a low cost phono stage that offers
flexibility in construction. Extremely popular.
"Bugle" phono
Power Supply is specially designed to work with the Bugle
phonostage to provide a complete AC-powered solution. Can be built for either 120/240Vac.
"Power Supply"
HagClock is a low noise oscillator for use as a reference clock
in CD players and transports.
"HagClock"
iRIAA2 is a highly accurate filter that inverts the RIAA phonograph
curve that mimics LP playback. Use to test or burn in phono preamps. New version 2!
"iRIAA2"
Hagerman Audio Labs
FryCorder is a power cord burn-in generator. Just
plug the cord into the wall, no knobs or switches. Also burns in the house wiring!
"FryCorder" power cord burn-in generator
FryBaby is a handy portable burn-in generator that
can run from a 9V battery or from the wall. Two RCA outputs generate signals for cables and phonostages
(both MM and MC).
"FryBaby" portable burn-in generator
FryKleaner is the industrial model burn-in generator
capable of simultaneous break-in of speaker cables, interconnects, balanced and digital cables. Rack mounted.
