Buffer amp no gain
I would like to put a buffer stage between volume control and power amp to ensure impedance matching. I like the look of the First Watt B1 but don’t need the volume controls.
My volume control is a passive ladder type with expensive resistors, silver wired etc
So my question is, can I buy a buffer with phono inputs and outputs but no volume pots. Either valve or solid state is OK.
What DAC and what is the output impedance? What volume control and what is its resistance and attenuation type? What amp and what is its input impedance? Balanced or unbalanced? What interconnects? There is nothing that is ’transparent’. You are adding connectors and cables, along with circuitry, all of which color the sound.
I ran [self-designed] passives for years, both in the studio and at home. I only went with active control when I tri-amped. |
Looking at pictures of the inside of the First Watt B1. Just Bypass, jump the volume controls with one wire on each pot. I am another that is confused. I am understanding that you would like to plug your turntable (phono) into this the First Watt B1. Outputs to your passive volume control. Which feeds your power amplifier? Question. Where is the RIAA de-emphasis accomplished? Output of a Moving Magnet cartridge is about 4 millivolts. That is not enough to drive a power amp. Ohhhh wait. You don't have one of those turntables that has a built in preamplifier (taking care of the gain increase and RIAA) and maybe even USB outputs, do you? The buffering you are looking for should be in that preamplifier. Ummmmm..... |
It's PHONO. UK phone connectors are similar to a Ethernet jack with pins on the side. See https://en.wikipedia.org/wiki/British_telephone_socket Autocorrect? |
