Themis

What is Themis

Experience audio in its purest form with Themis, a masterfully engineered analog amplification system that serves both as a reference-grade headphone amplifier and a pristine preamplifier. At its heart lies an innovative interchangeable operational core, allowing enthusiasts to fine-tune their listening experience to perfection.

Uncompromising Power Delivery: Where most headphone amplifiers falter, Themis excels. Its sophisticated discrete amplification stages, powered by four precision-matched transistors, deliver an impressive 10 watts of pristine power. This exceptional capability means effortless control of even the most demanding low-impedance headphones down to 16 ohms, ensuring your premium headphones perform exactly as their designers intended.

Professional Connectivity: • Studio-grade 1/4″ headphone output • Convenient 3.5mm auxiliary output • Dual RCA inputs for source flexibility • Dual RCA outputs for system integration • Professional-grade Alps potentiometer for precise volume control

Pure Analog Excellence: Themis maintains absolute signal integrity through its fully analog, solid-state design. The high-precision operational amplifier buffer achieves vanishingly low output impedance and distortion levels that challenge the limits of measurement. The result? Transparent, fatigue-free listening that reveals every nuance of your music.

Perfect For: • Reference-grade headphone listening • Professional monitoring applications • Audiophile preamplification • High-resolution audio systems

Whether driving demanding planar magnetic headphones or serving as the heart of your high-end audio system, Themis delivers uncompromising performance with the flexibility to evolve with your needs. Experience your music through a window of absolute clarity.

Specs

ParameterValueUnit
Amplifier classAB
Pre mounted operational amplifierNE5532
 
Supply voltage typedual voltage
Minimum supply voltage+5, 0, -5Vdc
Recommended supply voltage+12, 0, -12Vdc
Maximum supply voltage+15, 0, -15Vdc
 
Program power (on all load impedances)5W
Maximum power (on all load impedances)10W
Standby power0.3W
Minimum raccomended supply current3A
 
Output gain+ 23.5dB
 
Minimum load impedance16Ohm
Nominal output current (+15Vdc, -15Vdc supply)0.95A
 
THD+N @ 1kHz | 32 Ohm | 5W0.002%
IMD THD | 32 Ohm | 5W0.003%
 
Slew rate (op-amp limited)9V/us
 
Output impedance @ 60 Hz | 32 Ohm3.5mOhm
Input impedance10kOhm
 
Bandwidth (-3dB)DC - 570kHz
Audio bandwidth linearity+- 0.01dB
 
SNR (non A-weight) @ 1kHz - 100W98dB
SNR (A-weight) @ 1kHz - 100W103dB
 
Inputs2 x unbalancedRCA jacks
Outputs2 x unbalancedRCA jacks
16.3mm (1/4") jack
13.5mm jack
 
Board dimensions 99 (H) x 156 (W)mm

Board dimensions