Hi,when cd's came out around 1983 I got interested in passive preamps.I figured,Why does that music have to go thru so more electronics after leaving the amp.At the time I had an early passive unit with a phono stage in it,the Ace Zero Distortion preamp.I still have one and have never seen another.It was reviewed in HiFidelity magizine.It still sounds great with oiled up slide pots.I desided to make a passive preamp with top components.I named it the (Simplisitor).It is a monsterously big passive preamp.To show the scale,I live in Portland Maine,I rowed my dory up on it at high tide after pulling up some lobster traps" alt=""/>
All right,I'll buy a beer to any of you Dyna nuts that tell me where I got the knobs from?I used a Hammond aluminum box,2 silver double throw double pole switches,silver wire,gold plated RCA jacks,and 2 Alps Black Widow or Black Beauty 100k pots,they are not stepped attenuaters,but have never made a hiss or peep.I went to the local hobby shop and made a faceplate.The (Simplisitor)logo was made for cheap at a trophy shop.Here's a look at the innards..." alt=""/>Then the back side...." alt=""/>For a few years,with my Dyna-35 as the amp,I was happy as a clam!Then I read an article in AudioXpress by Jack Elliano called (Passive Preamp;Transformer Implemented...Jan. 2005).I bought 2 transformers he used in his simple design and built a prototype with Radio Shack parts....it worked!I then looked around my crash pad with old Dyna's and Heathkits every where to trip over and looked hard at the Dyna PAM-1.I bought one on E-Bay that looked pretty dirty...take a look" alt=""/>After I gutted it out,like a fish,I spray painted it brown with some Rustoleum.A song popped into my head from (Carousel)a Richard Rogers musical that went(look at those clams!),but I heard(look at those holes!)all pre drilled that fit the RCA jacks and my new volume controls which I will explain later.If you look closely,I had no painters tape to mask of the shiny instructions on the back,so I used an old refrigerator magnite with the Boston Red Sox's 2006 schedule and trimmed it with a Swiss army knive's sissors that was hanging on my coffie table." alt=""/>
Well thats all for part 1.I now,in the next few days,will assemble and wire the PAM-1 to the passive transformer preamp.I'm just learning the image thing and have to shift some more pictures(images)to the Photo Bucket.....stay tuned,it gets way better Dawkus(mark.korda@myfairpoint.net)
All right,I'll buy a beer to any of you Dyna nuts that tell me where I got the knobs from?I used a Hammond aluminum box,2 silver double throw double pole switches,silver wire,gold plated RCA jacks,and 2 Alps Black Widow or Black Beauty 100k pots,they are not stepped attenuaters,but have never made a hiss or peep.I went to the local hobby shop and made a faceplate.The (Simplisitor)logo was made for cheap at a trophy shop.Here's a look at the innards..." alt=""/>Then the back side...." alt=""/>For a few years,with my Dyna-35 as the amp,I was happy as a clam!Then I read an article in AudioXpress by Jack Elliano called (Passive Preamp;Transformer Implemented...Jan. 2005).I bought 2 transformers he used in his simple design and built a prototype with Radio Shack parts....it worked!I then looked around my crash pad with old Dyna's and Heathkits every where to trip over and looked hard at the Dyna PAM-1.I bought one on E-Bay that looked pretty dirty...take a look" alt=""/>After I gutted it out,like a fish,I spray painted it brown with some Rustoleum.A song popped into my head from (Carousel)a Richard Rogers musical that went(look at those clams!),but I heard(look at those holes!)all pre drilled that fit the RCA jacks and my new volume controls which I will explain later.If you look closely,I had no painters tape to mask of the shiny instructions on the back,so I used an old refrigerator magnite with the Boston Red Sox's 2006 schedule and trimmed it with a Swiss army knive's sissors that was hanging on my coffie table." alt=""/>
Well thats all for part 1.I now,in the next few days,will assemble and wire the PAM-1 to the passive transformer preamp.I'm just learning the image thing and have to shift some more pictures(images)to the Photo Bucket.....stay tuned,it gets way better Dawkus(mark.korda@myfairpoint.net)