• Welcome

    David Evans McDonald

    Engineer. Mixer. Producer. Tech.


    Completed Projects:
    365Colours - Co-Produced/Recorded/Mixed "weareyourfriends" EP.
    Chop Busted - Co-Produced/Recorded/Mixed debut Album, "Passive Impressive".
    Dream Connaisseur - Co-Produced/Partially Recorded/Mixed Debut Album, "Smooth Sailing".
    Ready the Messenger - Recorded/Mixed new 3 song EP.
    Alex Alcocer - Recorded/Mixed solo project singles.
    For Every Empire - Produced/Engineered/Mixed debut EP.
    365Colours - Produced/Recorded/Mixed debut EP.
    Ready the Messenger - Recorded debut EP.
    Wings Burn Away - Recorded/Partial Mixing, EP

    In Progress/Upcoming:
    Over & Under - Guitar/Pre-Production demo recording & mixing
Psilocybin Sounds testing

Pedal Building: the trees are too tall FUZZ

here’s my latest build, a Fuzz Factory clone using a madbeans Zombii Fuzz v.4 acid etched pcb.


Pedal Building: SuperMoon Reverb

SuperMoon Reverb, Accutronics BTDR-2 digital spring reverb using the D-Verb veroboard layout from sabro tone,


From the Bench

since I haven’t had time to post anything in a long while, here’s something to make up for it…. all the tech work and repairs/restorations I’ve been keeping myself busy with. Urei 530 Graphic EQ: Brent Averill 500 series lunchbox rewiring: Auditronics/Decca 2 channel mic preamp rack: API 550 EQ: Wofford’s SSL Bus Compressor w/ … Continue reading

Pm1000 inside

Yamaha PM-1000 Racking

Finished racking up a pair of PM-1000 channel strips with Phantom Power, Polarity switch, Direct Inputs, and original Tamura GA80071 input and GA80080 output transformers. I used a Power One 48V 0.5A linear power supply (Part # HB48-0.5-A) for the phantom power and built up a little LM317 voltage regulator circuit to tap off the … Continue reading


Ready the Messenger – some FREE tunes

I’ve been fortunate enough to get to work with Ready the Messenger again on some singles they will be releasing for free download to their fans. I’m also extremely fortunate that they decided to get into Test Tube Audio for a day to record all the drums in the studio with Kevin Butler, my good … Continue reading


Gear Testing:Frequency Sweep Analysis with FuzzMeasure – Orban 672A Parametric EQ

While doing some other mods on cheap mic preamps I decided I should put my conclusions based on simple listening tests to a more rigorous test with real objective data to back it up. Thus my search began for a cheap, or if possible, free way to run a frequency sweep through my audio gear … Continue reading


mods mods mods…

Shure M67 Mic Mixer …. modded for direct outs on each channel, psuedo-balanced trs outputs, with each gain pot moved in the circuit to function as the dampening resistor for the mic input transformer. Before: Modding: After: and a fancy new paint job. Altec 1674C …. 4 channel automatic microphone mixer with direct outs, Phantom … Continue reading


Bellari MP105 mod

I modded a cheapo tube preamp a while back based on some reading on online forums as well as instructions/schematics from a friendly TapeOper. Just for some DIY fun to maybe learn a little something and to hear for myself if there’s any justification to the hype for this preamp mod. Here’s a few pictures … Continue reading


Alex Alcocer home recording sessions

      ….I’ve been busy recording some acoustic songs for my good buddy Alex Alcocer with my recording setup I have at my disposal at home. It’s been super fun fleshing out tones and ideas for these songs keeping in mind the limitations of the acoustical space and attempting to use those limitations to suit the songs. … Continue reading


For Every Empire – Self-titled EP sessions

          For Every Empire‘s debut self titled EP dropped this past Friday, January 27th. Produced, Engineered and Mixed by yours truly at Test Tube Audio and Mastered by Erik Wofford at Cacophony Recorders. Give a few tracks off it a listen and go show some support by buying the full thing for only $6 on itunes. … Continue reading


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