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Messages - ed

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1
Reel to Reel Tape Machines / Re: Otari MX5050 BII repair questions
« on: February 06, 2017, 10:00:56 pm »
WoW - that was awhile ago... have since sent to Gustavo i n P.R. for all work - not even sure which of the 4 MX5050's it was...

2
Reel to Reel Tape Machines / Re: Otari MX5050 cap explosion and pcb damage
« on: February 06, 2017, 09:32:33 pm »
May I suggest you STOP plugging it in and instead ship to Gustavo who's usually found at tapeheads.net
He is a Master with Otari (IMHO)

3
Events / Re: Upcoming recording session
« on: August 30, 2015, 03:38:02 pm »
>>>an audience of just a couple dozen<<<
How does one get THIS 'blessing'? I missed the NW Audio Society gig due to travel...

4
Stage Fright / Re: The Last Waltz
« on: July 16, 2012, 08:35:32 pm »
oops! (where is the emoticon for 'egg-on-face'?!)
sorry folks...

5
Stage Fright / Re: The Last Waltz
« on: June 05, 2012, 05:05:13 pm »
one thing not mentioned in ANY format of The Last Waltz is that ALL of the music was dubbed except for the drums -as Levon would have no part in that...  -read on "the web"

6
VERY well cleaned. AND exercised. Maybe it need to be exorcised ??

ed

7
When raising the tension level, there's a relay (or??) that sometimes double-clicks and other times (most often) won't click. The cap. motor will not always start spinning. With a manual boost (twist w/fingers) it will. THIS is what I'm trying to remedy.
It's been oiled 'externally' and it slightly noisy - mechanically speaking.

(For clarity, here's my nomenclature - speed RANGE is selected in back; sp. MODE selected in front. It may be backwards from 'factory' ?? but here's what I'm talking today.)

It seem the relay(s) (or ??) double-clicks - actually it sounds like two relays ONLY in this specific transition, every time I move the switch from Hi to Low on FRONT. No clicking when moving from Lo to Hi. And it doesn't matter if it's in Lo RANGE or Hi. (The NAB indicator LED suddenly works no more...)

On my 2nd. machine (same 5050BII2) the relays click with every lifting of the tension are EXCEPT at 15ips. Then again it clicks when taken from Hi sp. to Lo sp. regardless of sp. RANGE- but ONLY if the cap. is spinning. SAME FOR troubled 1st. deck.  (NAB is fine, but deck won't REC or FF/RW - spools ok in PLAY - don't care: one deck at a time... ha-ha: X-7 sits in corner, BAD X-7 - BAD!!)

I've checked the PCB and re-soldiered several (~4) questionable spots (camera won't focus close enough for pix). No cracks found or anything else. Conn. cleaned, etc.

Thank you for any & all thoughts & helpful suggestions.

ed

8
Reel to Reel Tape Machines / Re: Otari MX 50 vs MX5050
« on: February 14, 2012, 08:17:48 pm »
here are a few different variations of the MX5050 BII's. I don't have anything on the MX 50
B II - 2 is 2 trk, 2 ch.
B II - 4 is 4 trk 2 ch.
B II - F is full trk Mono
B II - 2E is 2 trk 2 ch with DIN specs.

This is what I found in their manual  OS3 - 038
I hope this helps.

ed

9
Reel to Reel Tape Machines / Re: belt for otari 5050
« on: February 14, 2012, 07:49:09 pm »

One belt is 7.8 in. inner circumference, and .070 in. thick. PRB #OA7.8
Other belt is 16.4 in. inner circumference, and .070 in. thick. PRB #OA16.4

THANKS TO HACKERJOHN AT AUDIOKARMA

10
Reel to Reel Tape Machines / Re: Otari MX5050 BII repair questions
« on: February 10, 2012, 08:30:03 pm »
GREAT write-up! I too am having a NO ff/RW situation but fine in PLAY. NOW - thanks to this great post, I know where to focus.

THANK YOU ALL!!

ed

11
Tape Project Machines / Jumper wire ?missing? MX5050 BII 2
« on: February 10, 2012, 12:25:03 am »
While switching speed modes, cleaning, etc. etc. (it never really stops, does it?) I noticed there is a jumper wire (WHITE in pic) on the pcb above the supply reel motor and NOT one on the take-up motors pcb. Jumper goes from "Line" to "117V" (choices of 100, 117, 220 & 240 volt). Is this correct??
Thank you,

ed

12
Tape Tech / Re: MX5050 B II 2 R/P issue(s)
« on: December 07, 2011, 02:29:48 pm »
MANY thanks Dan and I'll keep y'all posted as to the successful resurrection of another MX5050!
The community radio sta. I volunteer at also has a B II 2! (imagine that...)

Peaceful and Safe Holidays to ALL


ed

13
Tape Tech / Re: MX5050 B II 2 R/P issue(s)
« on: November 18, 2011, 10:58:59 pm »
I'll probably send heads out after the holidaze ($$).

The osc. output IS consistent  in both ch. (monitoring SOURCE w/meters), it's the REC out that seems deficient

14
Tape Tech / Re: MX5050 B II 2 R/P issue(s)
« on: November 18, 2011, 02:59:56 pm »
Regarding your pitch control issue, have you cleaned the internal Hi/Low speed switch? It seems to get oxidized and can cause mysterious speed control issues on 5050's.

Seems I hadn't bothered w/the pitch pot since I started dealing w/the levels issue. Lots of exercise and some deoxit got - not only the LED to work, but the speed seem to be functioning well, also!
So, it's on to the heads...  Wish me good luck!

15
Tape Tech / Re: MX5050 B II 2 R/P issue(s)
« on: November 18, 2011, 02:53:39 pm »
It seems I may have 'overlooked' the azimuth: from straight on the angle is not quite the same as perpendicular to the tape path - listing some ??15-20?? degrees port!! With no tape and o'scope, I'm not sure I want to mess with alignment of that nature. AND OF COURSE I didn't down load the pix yet from the cam, but will & edit them in for y'all's opinion.

Many thanks for all the helpful replies.

ed 

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