Headphone Amps

Super delux and ultra heavy duty aluminum chassis upgrade possible from just $100 and up


Single-ended pure class A TUBE OTL design (with pre-amp output)

HA-1 ...............................................HA-2 ............................................HA-101


Single-ended pure class A TUBE + NOS UTC output transformer design (HA series with pre-amp output)

.HA3-Mk2 .....................................HA-1000-Mk2 ...................................SE-6AS7G-HP............................SE-6AS7G-2W-HP


Single-ended pure class A TUBE + classic EI output transformer design

SE-6BQ5-HP


Tube pre-amp with built-in headphone amp

QA-001-Mk3..............................CP-101.........................................CP-1001

 

 


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