Denon DRM-740 Design Problem??

: Just got the Denon back from the shop and the tech says that it's the
: 2nd 740 he's seen that clips at record levels above +3db. Says it's a
: design problem that has something to do with the muting transistors, and
: that Denon knows about it and aren't addressing.

i have no technical info on this, but i do have a drm 740 that i have
used extensively for recording onto metal and have seen nary a clip at
levels of +5 and beyond.  

i would be curious to know what you are using to generate the signal for
input to the deck.  you can generate a clip problem if your input gain is
to high.

r.

--
                                             ric @netcom.com

No deck should ever clip. I'm told that the tape is the weak link in the
recording process. Metal tapes for example, are generally rated for +5db
recording. A deck can put out a tremendously larger signal than any tape
could handle. A clean signal should appear across the record head, even
as the levels are maxed out, but the tape just can't store that much
energy. Remember, the tape itself is a passive device, as opposed to the
deck which is an active device.

I never noticed a problem with the deck, but my tech uses the standard
sine wave to test the signal path and showed me on the scope how it
starts to clip at +3db. It's not a problem for recording on XLIIS tapes,
which is why Denon has been turning a deaf ear. And for me, no big deal
as the 740 is about to be demoted to play deck status anyways. Signals
played are perfectly reproduced, even over +3db.

I'm just curious if anyone else has ever heard of this. And any experts
are encouraged to chime in with corrections/comments/adjustmen­ts to any
technical info I've posted here. Hey, it's nice to be pushing 40 and be
really green at something :)

......Douger

"If I had a gun, for every ace I've drawn"

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