Tag Archive for 'pultec mb1'

new building alfredo mixing desk

alfredo2

 

been working on this  klangenschmitt alfredo console for a crazy cool jazz musician from wellington. after several months exhaustive designing and planning.  today i got the first two channels completely going and sounding really beautiful. these channels are all tube mic/di/line/two way eq/pultec MB1 line output – preamps.    with neever transistor console mixer stage amps. thick – warm  -  hot in fact . clear and FAT!. this  console is 8 mono channels and 8 stereo channels. 3 stereo buses including stereo AFL complete control room. 4 auxiliary sends per channel -  pre/post fader.  bloody hell a lot of wiring yet to do.

 

klangenschmitt spitfire

klangen

klangen

ekadek klangenschmitt spitfire console design.10 channel transistor mixer with stereo bus and echo bus.
stereo valve eq. stereo varimu tube limiter  stereo tube mix bus amplifier. 4 stereo returns. control room section has 3 speaker amp outputs – headphone send selection and volume , talkback function. an onboard p.a small fat hifi speaker is on board also. and big meters. 23000nz$ ballpark.

 

skyqueen pultec MB1 tube preamp

this EVER READY SKYQUEEN  is straight out of the 1950s. shes been (tenderly) gutted and had a beaut pultec  MB1 design  two tube mic/direct preamp built into her.
the 1/4″ direct input is a tough sounding hiZ instrument amplifier,
super great for direct bass guitar or keyboards.

the microphone input is balanced low Z  with switched  phantom powering . she uses an american edcor input transformer with custom sheilding.   the  pultec MB1′s custom output transformer is made from the highest quality japanese grain orientated steel. this improves the low low bottom end signal integrity.  xtal clear and solid bottom end gives an amp the big dynamic smack ability.

the stereo 1/4″ input  has a left/mixed/right signal switch.  -  matches from a media player whatsit. ipod or cd payer. sounds awesome – the valve amp gives that signal a very much sweet tweaking.

she also has a tube  P.A  stage to drive the small but fat sounding internal  speaker.  or headphones.  the p.a amp isnt a powerful one, just 1 or 2 watts of valve radiogram style.
the skyqueen has very desireable looks.  with creamy aligator tolex vinyl covering and brassy trim bits. she has a fancy – and so modern perspex handle too.  i hope the photos taken in the lovely matamata early evening light  do the skyqueen some  justice. she really is  unique.  weve been soak testing skyqueen day and night just playing cds thru her. wow . so good.

skyqueen in the bath

the skyqueen’s panel and sexy knobs are off for their annodising bath. shouldnt hurt a bit. i dont really think that the panel is going to come back quite with so much  uranium tan or anything like the above shot. we’ll see what advanced anodisers in tokoroa can do with it eh.  anyways in the midst of all the other secret work … the skyqueen is almost alive. ive changed out the  5 inch round celestion speaker for an australian rola ‘c’ 5″X3″ original 60s unit. the sound has superior bass punch and flatter top end zing now.  for sale soon at 1500nz$  +gst  for the skyqueen MB1 tube preamp and speaker/headphones playback amp. in a beautiful small textured vinyl covered plywood cabinet with very curvacious perspex handle.

philip ontop the heap

geez. philip has some fine company there. damian is up to his neck with  united audio la2a. wunder audio and a manley vox box. philip has been in our family along time scrapping it out with the odds and bods around the place. and getting lent out a bit to friends.  the wife and kids will miss this handy little fine strong sounding tube mic di preamp. not to worry . he’s gone to an appreciative home.

Hi Ek,
Sorry about the late reply. I have Philp at home and have given him a good workout.
Wow! Very smooth and quite open sounding, it smoothed out any harsh plucks of my
acoustic and rendered a real balanced smooth tone.
I actually liked it more than my Manley Voxbox in this instance! In the end it was a
hard choice between my Wunder Peq2r and Philip, they both were great in different
ways. Anyway I just want to let you know this preamp represents pure tonal bliss and
at the price I got it for it puts some of my other pre’s to shame ;-)
Damian

nominee for ugliest amplifier in the world

so far the  MB1 amplifier (12ax7 & 6aq5) and the small speaker power output stage (6aq5) are built onto an ugly custom stripped out chassis. its chopped up  to  fit neatly into the lovely old skyqueen cabinet.  it sounds great even with it’s very temp/experimental control  wiring. just need to  drill and letter stamp up the panel, anodize it.. and finish the build. the ugly chassis looks like many  50′s european radios . those crazy germans made the ugliest most dangerous looking electronics   …placed  inside beautiful veneered plywood cabinets. u just dont see  that stuff being made anymore. if anything has curves -  safely assume it is moulded plastic.

philip the MB1 tube mic/di preamp

famous pultec MB1 design two tube mic /di amp. my ekadek clone of it lovingly  built into this  1960s philips portable tape deck. i made this one is 2002 and  have used it with great success to sell the design and portable concept over and over again. as well as stereo and 4-8-16 channel rack unit models.  clients who borrow philip  fall in love with the sound of the thing. its fat and hi-fi – has very low shushed self-noise – no hum -  and has a totally valvi-licious tone. his natural warmth and clarity makes for very characterful recordings. build up  multitrack layers with philip and a mix becomes  super easy. if you are looking for main recording amp good for all microphones / sounds / and instruments – then u just found one. the direct input is especially awesome for bass guitar. so BIG and rich. the amp loves keyboard sources too.

there’s a 150 ohm balanced mic input xlr with phantom power switched and pad. a direct input jack and level adjustable line input jack.
gain control – this alters the negative feedback within the preamp. with a low gain setting (and maximum feedback) the amp is in its most controlled high fidelity state. the higher gain settings cuts out the negative feedback and lets the amp go wild.
then there is a phase switch – self explained. and also an output trim control to fine adjust the balanced floating isolated low low Z  xlr output into when u need to. (best left right up actually – to preserve that low Z)

ferralgrapha is building

ive drilled up the panel and letterstamped it. it’s been  bent   to fit the cabinet properly and is getting anodized as i type.  while it is soaking  .  i’ll finish and test  the tube chassis. 8 tubes . 6 signal transformers. my evolved prototype chassis sounds great – really open feeling microphone sound.   the tube amps – the very flavorful equalizing  possibilities -  and the in/external monitoring functionality make the ferralgrapha a complete one machine for studio or live recording sessions.

dressed best DJs in the world

classic set up . 1200s.pioneer mixer. and a monoman running the big mono kick ass speaker stacks.

ruggedtechniques .  hal smith stevens has been visiting me for years now. he is always so enthusiastic and charming. and extremely talented.  and one day we’ll get to work on a major major project together.

my god man !  dont hurt yourself with that contraption.

it might be a crazy musical  technical adventure that is biblical. or  it may even  be a technical musical product thing that is functional AND biblical.

dont worry kind groom.  we are completely trained for all complications.

he got formally hitched to a wonderful girl and threw a very special  party at alberton.  it was an awesome event for hal and kirsty .

yyeeaahh.

everybody had a great time and of course the good djs were impeccable

wot the blighty chaps . we have sullied this LP record surface with our party antics.

toby muir with his big monoman mono pa system out to play.  … sounds  rude actually .. but he was very well mannered about it all.  the monoman unit contains a valve preamp -    4 system output distribution amplifiers -   and a 4 way adjustable speaker amp xover amplifier splitta unit. all transistor circuits . its way expensive so forget about it.  it does so much that we dont know what even to call it other than the monoman.

the killer rig

this stack of shiny junk is the killer rig  to kill all other so-called killer rigs.  fat as  pultec-ish MB1 stereo mike/di/line preamp. 4 tube chassis. the FAT LADY 5670 stereo limiting amplifier. 8 tube chassis. and the TEN8TOR GYRATOR stereo eq. about two bazillion transistor chassis. the most extreme channel strips you’re ever likely to see.  amazing sounding. so gutsy and so quiet!.  the sweet sweet clean fat MB1 valve preamp amping up . the totally sexy fat lady gain control freak limiting amplifier holding back . and the  sophisticated ten8tor gyrator equalizer being the ultra cool frequencies outputting amp with its devastating signal shaping powers.  i’ve been playing everything thru the killer rig last couple of days and am astounded at the improvement-of-everything-isation   power of it.

ekadek junk audio pimping

for years i been collecting old portable amplifier and tape recorder chassis. old radios/stereos and public address systems. even 19″ rack cabinets and other fancy cake tins. they all can make characterful cabinets for new things. ive mostly built pultec MB1 microphone/di amplifiers into them.

my latest one has a mic amp and beaut equaliser going on. meet rojer.

the eq design is from a peculiar old american hi fi amp. that eq idea coupled with a mic matching front end and a MB1 final amp makes for a tight three tube chassis. the sound of the entire thing is really strong and sweet. massively deep bass boost or cut. transparent top end boost and cut. and an extra hi frequency filter to smooth off any harshness. the bass and treble controls are very independant and the midrange is always rock solid right there. fat and true. so send a sound file of yours to test it.