tube amp

Unison Research Unico Primo Phono Amplifier Very Nice Condition, Box, Remote, Manual £949.00 For sale is my Unison Research Unico Primo Phono Integrated Amplifier. This is double boxed with all original bits and bobs (manual/remote/transport bag etc. and is in very nice order with just light...

Hello Lovley Wammers, [EDIT 05/01/2023] If you've come here because you're wondering about valve placement on a Graaf GM50BII, the short version is the manual is correct. From front to back it's KT90 x 4, 6H30 x 2, 4 x 6922. [END] I took delivery of my first valve amp today. Yippie! It's a...

Hello One And All, I'm currently saving my pennies to move from a SS integrated to a valve/tube amp (pre+plus monos or integrated). Of course I'm looking at second hand amps. But what I'm finding with some manufacturers is that it's really hard to understand what replacement tubes/valves cost...

Hi, I am currently repairing a Tube Technology Unisis from 1996, where the main capacitor leaked all over the circuit board. I have replaced them with some Mundorf Tubecaps and I also had to replace one of the EL 84. Did anyone figure out how to bias them with a multi meter at the contacts of...

Experts in tube technology, Octave, have launched their very first single-ended amplifier. The V16 Single-Ended has a range of high-end elements as well as an integrated headphone amp. Through a dedicated development process, the V16 Single-Ended combines Octave’s signature features of powerful...

                                                                     MRE 220 RRP: £15,995                                                                                    HP 700 RRP: £10,390                                                                             Octave's latest amplifier...