Rogue Audio Stereo 90 Amplifiers

12AX7 bypass caps rated at 450V and the B+ was 455V

I have owned this amp for a while now and it is part of my second system. I am using NOS GE 6550s, NOS Raytheon 12AX7s and NOS Sylvania 6SN7s and run the amp in triode mode through the 4 ohm taps. It has power to spare, a beautiful mid-range and nice,...

Recent owner of second or third hand non Magnum version Not sure about year of manufacture. I bought this as well as the 99 Magnum based on reviews and my own experience with Rogue Audios product and Costumer Service . I already know fairly well what...

I'm absolutely delighted with my Rogue Audio Stereo 90, which I bought along with a Rogue Audio Athena preamp. I listen to classical music exclusively and decades of concert going have allowed me to know what music is supposed to sound like. Musicality...

This is good sounding amp but I found mine to be noisy,an annoying hum from across the room.I called Rogue Audio and talked to Mark OBrien about it.He said ,ship to us and we'll fix it for you.I did that.After a few days I called him and he said,its...

After some time listen to a solid state amplifier (NVA) I wanted to switch to a tube or class A solid state amp with enough power to use with most speakers.