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. All products are handcrafted in
the USA and come with a 10 year warranty and 30 day trial period (10% restocking fee). Free shipping!
Cornet2 phono improves on the original Cornet circuit by employing
a larger transformer and adding a mono switch.
Clarinet linestage is back by popular demand! This all-tube linestage
uses a beautiful SRPP circuit for superb sonics with low distortion. Very musical, this is a must-build.
Piccolo moving coil headamp uses a very quiet
and clean discrete JFET circuit to provide both adjustable gain and loading. This is an absolutely fantastic
device with no equal.
"Piccolo" MC headamp
Bugle2 is a new low cost phonostage based on the original Bugle. It
enhances performance with lower noise and improved filtering. The Bugle2 comes complete with
AC power supply.
Bugle phono is a low cost phono stage that offers
flexibility in construction. Extremely popular.
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.
HagClock is a low noise oscillator for use as a reference clock
in CD players and transports.
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!
Hagerman Audio Labs
Trumpet Reference is an all-new upgraded version
of the original Trumpet circuit. Added features are pushbutton control, selectable EQ, variable loading, gain,
polarity, and mono switch. The new chassis configuration is much more rack-friendly yet retains a unique styling.
This is the last phonostage you will ever need to buy.
"Trumpet Reference" phonostage
Trumpet MM vacuum tube phonostage is the classic
original that started it all. This Stereophile recommended component (class A) is better than ever with
improved metalwork, upgraded resistors and capacitors.
Bugle Elite phonostage is the upgrade to the
original and very popular Bugle. It adds a rail splitter circuit which allows for the use of a low cost
AC supply. Improved supply filtering, opamps, capacitors, resistors, and RCA jacks put this phonostage into
a new category. The solid aluminum chassis offers a beautiful and compact package.
"Bugle Elite" phonostage
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
FryCorder is a very clever burn-in generator
designed specifically for power cords. It will also condition the wiring in your house.
"FryCorder" power cord burn-in generator
FryKleaner is the industrial model burn-in generator
capable of simultaneous break-in of speaker cables, interconnects, balanced and digital cables. Open frame
chassis for rack mounting.
"FryKleaner" burn-in generator
VacuTrace vacuum tube curve tracer is a
one-of-a-kind lab tool that tests and matches vacuum tubes in real time at any operation point. Very
flexible and accurate.