Pioneer RG-2 Dynamic Processor
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I bought one new in the late 70's and used it through the 80's, but only on the tuner and tapes (I had a 1250 also, sipuser!). I thought it added a little extra dynamics, although, truthfully if you were to have done a blind A/B test on me I may have failed profusely.
It had two advantages- it would expand loud passages and also quiet softer ones. Which brought down apparent noise levels. While that might have helped with turntable rumble at low volume it had the opposite effect at loud volume levels and would tend to intensify acoustic feedback! So, I didn't use it on the turntable.
In the early 90's I accidentally knocked it off a tall shelf which destroyed it. I didn't exactly rush right out to replace or fix it- I let it go. I was glad that if something had to go it was the RG-2 and not something REALLY important. :yes:
Brian
It had two advantages- it would expand loud passages and also quiet softer ones. Which brought down apparent noise levels. While that might have helped with turntable rumble at low volume it had the opposite effect at loud volume levels and would tend to intensify acoustic feedback! So, I didn't use it on the turntable.
In the early 90's I accidentally knocked it off a tall shelf which destroyed it. I didn't exactly rush right out to replace or fix it- I let it go. I was glad that if something had to go it was the RG-2 and not something REALLY important. :yes:
Brian
Ron13a
Revolver of Vinyl
I have one! I am using it right now at this very moment and have been using it everyday for years! It keeps my Chuck Taylors in my bedroom closet off the ground. True story. It 's great for setting shoes on in a closet. That's about it though. Hey, it might be used to hold a screen door open while you carry in the groceries.
Unrelated to the RG-2- the "RG" in the model number is Robert Grodinsky. If you ever run across one of his power amps, they're VERY nice. Robert Grodinsky Research (RGR) Model Five. Just thought I'd throw it out there. He's most known for the dynamic processor but had a company of his own, too.
I also had one for a while. I also had an rg1 and I preferred the rg2. The switches can be problematic and you may want to ask that question to the seller. That being said both my pioneer rg units are gone now and I use an original Robert Grodinsky unit for the times that I need an expander.
The switches can be replaced by superior parts.
Costs a bit, but not more than honest industrial parts prices for the replacements from the right seller (banzerg) on epey.
I have done them (with his switches), and retained the old for reference. Good fit.
Costs a bit, but not more than honest industrial parts prices for the replacements from the right seller (banzerg) on epey.
I have done them (with his switches), and retained the old for reference. Good fit.
I've got two that I use on FM. Works fine for that source. Turntables & tape decks....not so much.....
Bstable
Super Member
I got one to mainly to round out my Spec system. I had to replace one of the tape monitor switches...not that hard. I introduced Banzerg to AK from our correspondenace on buying the replacement switch.
I couldn't get all of my gear in my stand, so some had to go on the TV stand. The SG-9800 and the RG-2 (being the last additions) fit perfect in the space under my TV ...see my avatar. One unexpected bonus was that I can use the RG-2 as a PRECISE volume control since the stepped volume control on the SPEC 1 has a lot to be desired. The RG-2 looks cool too.
I couldn't get all of my gear in my stand, so some had to go on the TV stand. The SG-9800 and the RG-2 (being the last additions) fit perfect in the space under my TV ...see my avatar. One unexpected bonus was that I can use the RG-2 as a PRECISE volume control since the stepped volume control on the SPEC 1 has a lot to be desired. The RG-2 looks cool too.
+1
I have two, because they were cheap and I love meters. Eventually, one will be used with my SX-3700 receiver and CT-F650 tape deck. Lots of fluoroscan!
Amcrebelfan
Super Member
I use mine daily, for my 707, ct-f750 and all my vinyl. I love it, ESP on vinyl.
Steve
Steve
Rob.
Super Member
I'd like to know this as well.
I just found this thread after going into mine to (try to) fix an intermittent Fluoroscan display issue. I use it on FM, because FM engineers sometimes compress their signals before the transmitter. (Not so much on NPR/Jazz/Classical, but commercial stations are all over the map, some good, some not so good and some just wretched, the better the tuner, the more the differences becomes apparent.) I like the ability to vary the level of "expansion". The more conservative settings tend to be the ones I use the most. The 16db setting can produce some odd artifacts in music that's well recorded in the first place......
