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  #1  
Old 05-18-2017, 07:13 AM
stahlhelm stahlhelm is offline
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Reelspin RTM tape - how good are they

hi folks,

I am in Europe and it is very hard to find brand new media and finally found one: RTM!!!
https://www.thomann.de/de/rtm_lpr_35...astic_reel.htm

it comes in metal reel as well. At least this is available. does anybody have experience with it? I am interested in sound quality and how RTM tape compares to Maxell UD tapes (what I buy normally used).
Cheers!
  #2  
Old 05-18-2017, 07:36 AM
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Kent T Kent T is offline
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RTM tapes are a continuation of the BASF/Emtec/Agfa/RMGI/Pyral line. The LPR 35 is a superb 1 mil version of SM 911, a superb tape which is like XL1 on Steroids. Superior to UD on good machines, and I love UD.
  #3  
Old 05-18-2017, 09:24 AM
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Lance Lawson Lance Lawson is offline
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RTM is great tape. I've used 468 and LPR-35 and they perform well. The only issue I had when it was RMGI was that the 468 was slit a bit wide and I had side shaving going on.
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  #4  
Old 05-18-2017, 10:36 AM
GeoffB17 GeoffB17 is offline
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I've recently bought pancakes of the LPR-35 and the SM-911, and both have performed perfectly fine on both my machines (TEAC A-3340 and Ferrograph Logic 7). The Ferro has been recently serviced and has been set up for the SM-911. I have some NOS Maxell UD35-180, plus a selection of other types, and the RTM/Pyral is perfectly comparable.

Geoff
  #5  
Old 05-18-2017, 11:06 AM
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Katushka Katushka is offline
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I have tested recording with a new RTM (RMGI) LPR35, it performed a bit better than used Maxell UD 35-90 for me. I didn't compare it to NOS Maxell yet.

I've checked Ebay for "rmgi rtm tape" and found a number of results from a dealer in Latvia, I expect European shipping prices to be reasonable there.

Last edited by Katushka; 05-18-2017 at 11:09 AM.
  #6  
Old 05-18-2017, 12:40 PM
Bob Boyer Bob Boyer is offline
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I'll add my thumbs up to the consensus. Have a number of reels of SM911 and a few LPR-35s. Both formulas are excellent and are holding up well.
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  #7  
Old 05-18-2017, 02:18 PM
topoxforddoc topoxforddoc is offline
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I've bought about 100 reels of RTM/RTMGi tape over the last 2 years - SM911, SM900, LPR35 and a box of LPR90. I have used them on my 2 Sony APR 5000 series machines and a Studer A807.

Great tape - no problems with slitting, oxide shed etc. Perfect in fact.
  #8  
Old 05-18-2017, 07:09 PM
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Skywavebe Skywavebe is offline
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I concur as well, The RTM tape lastly known as RMGI is great tape that is made in France. For those in Europe I would think it is easier to get than ATR. Although ATR does have distribution over there. There is no shortage of 1/4" tape these days just lack of knowledge of where to buy it. People have to not be lazy and go searching. The world is at their fingertips. Ordering the tape should be that easy too.
Once I ordered a roll of LPR35 in the afternoon and the next day it was at my house this was from Full Compass Systems in Madison WI. USA
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  #9  
Old 05-18-2017, 08:27 PM
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johns82 johns82 is offline
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I don't know how long the drum of LPR 35 and SM 911 being the same is going to be beat but these are two different formulas.

LPR 35 is only meant for slower speeds. The S10 is 4 dB for LPR 35 and 6 dB for SM911 at 7 1/2 IPS. Retentivity for LPR 35 is 1650 and SM911 is 1450. These are just the top of the differences, look at the spec sheets yourselves.

I couldn't get LPR 35 to calibrate at 15 IPS to save my ass, look at RTM's site, find specs for LPR 35 at 15 IPS. They don't exist. The tape has weird response curve at high speeds. Maybe the RMGI stuff worked at 15 IPS but the stuff I have don't worth a damn at 15 IPS. Considering it's in a RMGI box I lend little credence to this thought.
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  #10  
Old 05-19-2017, 01:12 AM
stahlhelm stahlhelm is offline
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I see thanks. Unfortunately BASF/Emtec/Agfa similar tapes are no good to me. My deck sounds not good with them. I think this is because my Teac is set to Japanese tapes. With Maxell for example sounds stellar. Any Japanese similar new media available? Preferably in Europe.
  #11  
Old 05-19-2017, 05:44 AM
Bob Boyer Bob Boyer is offline
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Nope. Can you get the deck to a tech who can set it up for RTM? ATR Magnetics and Capture (either 914 or 930) are the only other new tapes being made and they are both being produced/sold in the US.

Don't know what international shipping would add to the cost...
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  #12  
Old 05-19-2017, 06:21 AM
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johns82 johns82 is offline
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What tapes have you tried for BASF/Emtec/Agfa? The deck shouldn't know what tape is on it other then bias/EQ incompatibility.

I have some tapes that sound fine when calibrated for Maxell UD from any of those Europe country manufactures and others not so, depends on the type of BASF or AGFA.

Also what type of Maxell are we talking about? XL1 and UD have different calibration needs. I presume from what I have read on this site Maxell XL1 calibration is damn close to LPR 35 but with so many saying LPR 35 is the same as SM911 hell who knows! I may have to look into this myself having both XL1 and LPR 35. This also makes no sense as I would assume XL1 is well suited for 15 IPS and as I have found out LPR 35 is not.

But at last I have way to much going on for such an experiment.
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  #13  
Old 05-19-2017, 07:07 AM
goldear goldear is offline
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So Pyrol is now RTM? I thought that they just switched from being RMGI about a year or two ago. Is this company really changing hands so quickly?

And to Johns: What is it about LPR35 that makes you say that it is not good for 15 ips? Does it lack headroom or something?
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  #14  
Old 05-19-2017, 03:35 PM
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Ebzen Ebzen is offline
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i would say RTM LPR35 beats the Maxell UD tape! Tape runs a lot smoother on the reels, takes a hotter signal & tape is freshly produced.
Out of the box, the tape performs well on most Japanese machines. I tried it on a Philips N4520 as well, i couldnt hear difference on the 7.5 and 15 ips speed on the philips.

personally i wouldnt consider using ATR master tapes on consumer grade machine. Too expensive compared to a roll of LPR35.
  #15  
Old 05-19-2017, 08:40 PM
john from seattle john from seattle is offline
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Stahlhelm,

Which TEAC do you have and what speeds are you referring to? I ask as I have the A-4300 and I believe BASF LP-35 is one of the tapes mentioned it's calibrated to at the factory (assuming my deck is still calibrated, which I highly doubt after 40 years since I doubt it's been recapped).

That said, it should calibrate to it just fine once I get it recapped as Sam has been able to get most A series TEACS to calibrate to it just fine for customers.

No, I currently don't have any, just 2 reels of Capture though for new tape stock.
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  #16  
Old 05-20-2017, 03:43 AM
topoxforddoc topoxforddoc is offline
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I've had no problems calibrating and setting bias for any of the RTM tapes on my Studer and two Sonys. I adjust recording levels and bias using dual PPM meters with phase indicators every time I play or record a tape. The RTM tape has always been consistent from batch to batch with very small differences, perhaps half dB in record level.
  #17  
Old 05-20-2017, 08:20 AM
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Lance Lawson Lance Lawson is offline
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Quote:
Originally Posted by goldear View Post
So Pyrol is now RTM? I thought that they just switched from being RMGI about a year or two ago. Is this company really changing hands so quickly?

And to Johns: What is it about LPR35 that makes you say that it is not good for 15 ips? Does it lack headroom or something?
Yes the company has really changed hands very rapidly. Indicates it is very difficult to make a profit making magnetic tape. It's why the tape community needs to support all the current tape dopers. It's why it bothers me that so many are willing to crawl on hands and knees over broken glass to buy a overpriced 40 year old reel of Maxell which is inferior in every way to the offerings of ATR, RTM and Capture. I suspect when the tape dopers close their doors for the last time the Maxell fans will moan the loudest.
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  #18  
Old 05-20-2017, 11:58 AM
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vladtm vladtm is offline
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Quote:
Originally Posted by johns82 View Post
What tapes have you tried for BASF/Emtec/Agfa? The deck shouldn't know what tape is on it other then bias/EQ incompatibility.

I have some tapes that sound fine when calibrated for Maxell UD from any of those Europe country manufactures and others not so, depends on the type of BASF or AGFA.

Also what type of Maxell are we talking about? XL1 and UD have different calibration needs. I presume from what I have read on this site Maxell XL1 calibration is damn close to LPR 35 but with so many saying LPR 35 is the same as SM911 hell who knows! I may have to look into this myself having both XL1 and LPR 35. This also makes no sense as I would assume XL1 is well suited for 15 IPS and as I have found out LPR 35 is not.

But at last I have way to much going on for such an experiment.
I am also curious on this one, why do you find lpr35 not suitable for 15 ips ?

Thanks.
  #19  
Old 05-20-2017, 02:20 PM
williamsunique williamsunique is offline
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I have had a 5" spool of LPR35 start to shed after a few passes. Purchased 2 months ago. I am now worried that the 10" pancakes of LPR35, which I haven't used yet will do the same.

Paul
  #20  
Old 05-20-2017, 02:57 PM
topoxforddoc topoxforddoc is offline
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Quote:
Originally Posted by williamsunique View Post
I have had a 5" spool of LPR35 start to shed after a few passes. Purchased 2 months ago. I am now worried that the 10" pancakes of LPR35, which I haven't used yet will do the same.

Paul
Paul,

Have you contacted RTM to explain this along with the batch number and information on the hold down white and red tape? If you're having problems, you might well find that they will replace FOC for you.

I've had 30-40 pancakes of LPR35 in the last 2 years - no problems with oxide shed etc.

Charlie
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