The M1 is nicely made and all the selector knobs feel solid in operation and of good quality. On the front, the M1 comes with four selector knobs for INPUT, SOURCE/TAPE, BALANCE, and VOLUME. On the back, there are also feedback switches near the ground loop connection that are used if you find the volume control too sensitive or you are using long runs to your power amplifiers.
It has three line inputs and tape in/out for recording. You will need an SUT or step-up transformer if you use an MC cartridge. The M1 Phono comes with a MM valve Phono stage. And you have a choice between Black Acrylic and Anodized Aluminium casework.Īs you can probably gather, this preamplifier, along with the OTO, has been selling for quite a long time and, while they have been upgraded over the years, you are not going to find modern touches like an onboard DAC or home theatre pass through or subwoofer outputs or HDMI indeed, it doesn’t even come with remote control. The M1 Line (2,770 USD, sans phono stage), the M1 Phono, and the M1 RIAA (2,770 USD), which is only a phono stage. Thankfully, the M1 comes in only three options. The OTO integrated amplifier is one of eight integrated amplifiers listed on their website, but there are also eight versions of the OTO integrated alone. The advantage to buying separates is that it allows you to make future upgrades or to let you use different power amplifiers or preamplifiers when the need or opportunity arises.Īudio Note probably has the widest range of audio products in the industry, and that can make things rather confusing for anyone who first researches this brand. There are further advantages, such as a shorter wiring path and no requirement to purchase interconnect cables to join the preamp to the power amp. The advantages to buying integrated amplifiers over separates include space savings and price.
The OTO Phono SE integrated amplifier is a combination of the M1 phono preamplifier and the P1 SE single-ended pentode stereo power amplifier in one box with one power outlet to the wall. What makes the Audio Note OTO, along with their SORO and Meishu integrated amplifiers, different than most competing integrated amplifiers is that they are essentially Audio Note separate preamps and power amps units sharing one case. I had purchased the amplifier in 2003 and I still own it to this day. One of my first reviews for Dagogo was back in 2008 when I covered the Audio Note OTO Phono SE single-ended pentode integrated amplifier.
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