A5500MP Multi-pattern Completed Tube Microphone


A Great Choice for any home or project studio!

Industry First!

Customer Feedback
"I'm dumbfounded This is TOO GOOD OF A DEAL, Just bought another one! PERFECT"
"I love these things!! I put my own parts in them and they are awesome!! More!!!!"

Your alternative choice for professional microphones

Manufacturer Direct Pricing

15-Day money back guarantee*



diy tube microphone

Large Diaphragm Multi-pattern Tube Condenser Completed Microphone

The ultimate Completed microphone kit! 


Free Shipping
Additional shipping charges apply outside US.

By clicking the above Buy Now button, you agree to this disclaimer.

Our new limited production multi-pattern version of the A5500 Completed tube microphone. 

Use the included components for an excellent sounding tube microphone. Or for those more adventurous DIYers, swap out components and create your own custom high-end tube microphone. 

15 day love it or send it back policy*

This kit is intended for intermediate to advance users. 

Approximate Specifications:

Type: large diaphragm pressure gradient vacuum tube condenser
Frequency response: 20Hz to 20 kHz
Polar Pattern: cardioid
Sensitivity: 14mV/Pa (@1kHz, 74dB SPL)
Output impedance: <200 ohms
Equivalent noise level: <17dB-A Max. SPL (@0,5%): 130dB

NOTE: Will include a new power supply with a 9-step pattern switch between omnidirectional, cardioid and figure-8.

Kit Includes

Unpainted brass microphone body, Head-grill assembly, internal mounting cage assembly to mount circuit board, capsule, transformer and connector housings. 1 - Fully assembled power supply with 9 position pattern selector.
1 - Power cable for power supply
1 - 7-pin tube microphone cable
Schematic, circuit board layouts, print out of assembled circuit
Components installed

1 - 32mm/1in large dual-diaphragm multi-polar pattern capsule (assembled)
1 - Plastic capsule mount
1 - Pre-amp circuit PCB
1 - Tube socket PCB
1 - Vacuum tube, 12AX7
1 - 9-pin tube socket
1 - 7-pin XLR male connector
2 - Ceramic insulators for both ends of C4
1 - Film Resistor,  1/2 W 10KΩ
1 - Film Resistor,  2W 100KΩ
2 - Film Resistor,  1/2 W 270KΩ
2 - Resistor, 22M or 51M
1 - Resistor, 200M
1 - Film Resistor, RJ 1/2 W 1-3KΩ
1 - Resistor, 1 KM
2 - Capacitor,  1μ/400V
1 - Capacitor,  1μ/250V,NP or
2 - Capacitor,  .022μ/630V
1 - Capacitor,  1000 pF/630V
1 - Capacitor,  100μ/25V
3 - Capacitor,  0.1μ/63V
1 - Capacitor,  1000μ/10V
1 - Ceramic Capacitor, 2pF
1 - Transformer, turns ratio 10:1

tube microphone schematics

tube microphone circuit layout tube microphone tube circuit


Copyright 2009, Aurycle. All rights are reserved