Tube Tech PM 1A RM Series Tube Mic Preamplifier

• All tube-based push-pull amplifier
• Mic. gain in 2 dB and 10 dB steps
• Selectable mic. impedance 600/1200/2400 ohms
• Phantom power (+48V)
• Phase reversal
• 20 dB pad
• High impedance
• Direct Input Lowcut filter (20 Hz/40 Hz/off)
• Frequency Response @ -3 dB: 5 Hz to 60 kHz
• Typical noise figure: 5 dB @ 200 ohm

The PM 1A is an exceptionally smooth sounding microphone preamplifier and direct instrument input amplifier, such as bass, guitar, keyboard etc.

The Tube-Tech PM 1A is a combined microphone preamplifier and direct instrument amplifier. The input provides a switchable +48 V phantom power, a select-able mic. impedance of 600/1200/2400 Ohm, a phase reverse switch, a low-cut filter (20 Hz/40 Hz/off), as well as a switchable -20 dB pad. Gain is adjustable from +10 dB to +70 dB.

The direct instrument input are unbalanced with a gain ranging from + 10 dB to + 60 dB. The amplifier is all tube. Input transformer is enclosed in a MU-metal can. Input and output transformers come with a static screen between the primary and secondary wirings. The input and output are balanced as well as fully floating.


For more information on this or any Tube-Tech product, visit www.tube-tech.com