PA14, (unbalanced input)
PA14B, (balanced och unbalanced input)
2 x 25W OTL power amplifier with integrated volume control and input channel selector
10 times lower distortion than other OTL amplifier because of unique driver circuit. PA14 is an OTL amplifier that uses 2 6C33C tubes per channel that is driven by the unique to 25W ouput power. Även at 10W ouput power the distortion is less than 0.1%, a very good figure for a tube amplifier, at 1W distortion as low as 0.01%. Hum and noise have very low values as active noise reduction is used.
PA14 has an integrated relay controlled volume control built with discrete resistors, and input selector with 4 inputs and one output to drive e.g. subwoofer. volume and input can be controlled by remote control
The amplifier is built on a large PCB except for critical parts that are built using so called Point to Point, (PtP) technology, ceramic solder supports are used that can withstand 5kV. The chassis is made of 10mm aluminium which gives extraordinary mechanical stability and completely remove vibration induced noise.
We now have a variant of PA14, PA14B that is equipped with balanced input using XLR connectors and can also be used unbalanced through RCA phono connectors.
We can offer versions of PA14 and PA14B with higher output impedance if requested, as some speakers work better when driven by a higher impedance
Distortion at 1W
Distortion at 10W
Hume and noise
Input connectors PA14
Output connectors PA14
Remote control function
25W in 8 ohm at less than 1% distortion
20W i 4 ohm at less than 1% distortion
5 - 70kHz - 1dB
10 - 50kHz - 1dB
0.4ohm or 1.5ohm, (see text above)