In essence a simplified ST40 MKIII, yet no reduction in quality, this is our best value integrated amplifier. Features include the excellent 6SN7 and 6SL7 valves for improved sound, and a headphone socket with excellent performance.
Our simple bias circuit means that valve replacement of the same type requires no bias adjustment*. Yet retains the ability to use “tube roll” different valves, so the ST25 MK II is designed to use: 6L6, EL34, 6CA7, KT66, KT77, KT88, 6550.
If you are new to valves the Stereo 25 MK II is an excellent starting point. With ample power, its affordable price and excellent power make it an ideal “starter” amplifier to find out what valves can do for your system.
The inclusion of a dedicated headphone winding on the output transformers guarantees the best possible performance. Giving a closer intimacy than is possible that with solid state headphone amplifiers.
Specification & Features
(Typical conditions EL34 valves@ 240v 50Hz. 8 Ω)
6L6/EL34/6CA7/KT66/KT88/6550 output valves
6SN7/6SL7 double triode driver valves
Class A, all Triode front end
Ultralinear output circuit
Triode version by request 19+19w (no extra charge)
Hand wired point to point. No printed circuit board
30w RMS per channel Ultralinear (EL34)
4 and 8ohm loudspeaker output
Tertiary Wound Transformers
Frequency response 20-20khz +0 – 0.5db
THD typically less 0.5% 1kHz
Hand wound transformers
Attractive valve cover included in the price
Hi Fi quality Solen capacitors
Silver PTFE audio cable
Gold plated Input & speaker sockets
3 line Inputs for CD, Tuner, Phono etc
250 mv input for full output
220/240volts, 100w (180w max)
34cmW, 34D, 22H (overall) 17kg
CE, ROHS & WEEE compliant
Comprehensive manual supplied
The driver circuit is inspired by the Leak Stereo 20/50/60
(*while stocks last. Specifications subject to change E&EO) *No bias adjustment if the valves are changed for the same type. However bias adjustment and test points are included to get the optimum performance from a wide range of output valves.