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Topics - Motorola Minion

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Magnificent Magnavox / 1ST622M - 1962
« on: May 14, 2019, 09:27:48 AM »
I posted in sightings that this was a unit I saw at Habitat Restore, tried to forget, then went back and loaded myself without any damage done. I then carried it to my upstairs shop after removing the record changer and back cover, to make grabbing the cabinet much easier.

While there were so many models for 1962, this one seems to have all the goodies: 1000 cycle horns, 12" woofers, push-pull 6BQ5 tube amp and a multiplex decoder for FM-stereo. I went against my normal judgment and tried a power-up at the store and FM stereo was clearly heard form both channels before I switched it off.

Sightings / Magnavox 1ST622
« on: May 09, 2019, 12:00:23 PM »
I sure hope this is not at the Habitat Restore when I compulsively stop by after work!!!!! ??? ::) :-[

After finding a 1ST659, which says "Imperial micromatic" on the RC, do I need another? I don't think the 622 has that, though it looks the same.

Last week the Magnavox 268H (1956 Concert Master) was there for $75 and then gone soon after. Any dumb bunny could see the tubes in that huge amp as they walked in the door, as the open back was against the storefront ::)

Record Changer Repair and Restoration / Westinghouse V-M changer
« on: April 18, 2019, 03:53:16 PM »
I pulled this changer out to give it a quick check, as I will not be selling this console unless a more expensive Westy shows up...

The motor is like a VM I had in a Philco, pictured - which had the two-tread idler pulley. This tire is pretty dry and makes noise but it is not slipping. Its a big investment to have a rebuild, so that has to wait.

The funny thing I noted was that this VM does NOT have the caged ball platter bearing, instead just a washer and small conical race.

An other issue is the Sonotone 16t cartridge, which does not sound good even with a new stylus. Is it common for the compliance to harden on these? it looks shriveled

Phonographs / RCA RP230 (1968-9) feather-ride cartridge #115277
« on: April 18, 2019, 10:21:34 AM »
Many RCA's I see like this still seem to sound OK with a new stylus but I have run into two that, after some gentle cleaning and re-lube, operate fine mechanically but sound awful.

After installing a new Pfanstiehl 648 stylus, sound still cuts in an out like truly bad stylus. .

I recapped the SS amplifier and the radio/aux input sounds great. On the phono, sound is equally weak on both channels, actually sounds like you're in a tunnel.

Any bump or movement of the tone-arm makes noise, making me think the compliance has hardened from age.

The attached shows a kit from V-M music enthusiasts, which I will need to consider if I cant find a good NOS cart.

Cabinets, Cloth, Finishes / RCA cabinet repairs
« on: April 09, 2019, 03:46:18 PM »
Before trying to move a console, make stabilizing repairs if ANYTHING is loose. Absolutely nothing bites more than moving a console about your shop, even this lighter model, damaging it further >:( and increasing restoration effort.

This 1962 walnut veneer console was not very solid, even when new. Imagine the 15" woofer making the cabinet "buzz" with loose veneer and sub-structure.
Icing on the cake: there was no brace between the rear legs and the plywood bottom! An inch or so of water appears to have caused further degradation as it wicked up "legs" into the joints.

The first pic shows the bottom of a front "leg" where the joinery is less than ideal ::) and the second shows the solid hardwood base that came loose easily as the four screws and almost no glue was pried apart.

Fisher / 1964 Fisher Warwick - W59
« on: April 04, 2019, 01:41:50 PM »
The Warwick was a one-year-only model which had all tubes up to the driver tubes (6HU8) feeding the audio output driver transformer. I also have a Ambassador model A-69 which has essentially the same amp and tuner chassis with a higher power rating, but the same Fisher-made speakers. Both have the first-generation amp - output  transistors in parallel push-pull. (4 per channel)

I picked this up in Binghamton last week on a trip north. The price was more than reasonable. The Warwick was a big brother model a step above the custom Electra VII (second pic) of the same year, which had a tube amp. Both models look very similar except for record changers. The Electra has a Garrard AT60 and Warwick/Ambassador have a Garrard model A.

As you can see, I have a tendency to acquire Italian and French Provincial models. I overlook this fact when considering what is inside ;) While its not Scandinavian or "Contemporary", both are walnut and both need some refinishing work. I needed to repair some wobbly legs first just like on Ambassador, :-[, before even thinking of moving it again. I am none too impressed with Fisher cabinetry to date, especially if compared to Magnavox .

Other Tube Console Brands / Silvertone 1963 tube console
« on: April 04, 2019, 10:58:28 AM »
The sams for this console is 626, which includes amp, receiver and TV chassis. I just unloaded it last week after a trip up north to see a friend who collects only TV's and it was a fine example of using a lifting strap for the less - massive consoles. To pull it from truck, I use it to "lift the other end, while using my belt to catch the legs on my side.

I thread the strap between the legs to lift the other end so I can take it up the steps (all the light ones are upstairs now), but I ended up "bear-hugging" to carry it for the 50 feet to the shop.

Opening it up like a kid at Christmas, I was very happy to see a transformer power supply and two original 6BQ5 tubes made by Sylvania (312) for the SE stereo amp. The tuner appears to have a MPX decoder on board. All hand-wired probably made for Sears by Arvin or Warwick. I plan to keep this only until a more expensive Silvertone shows up -not sure what their TOTL was.

The one strange thing I noticed was that two 12" full range speakers are used, no HF drivers. Maybe the speakers have the 'whizzer cones". We'll see :P

Sightings / RCA BW stereo - NE-PA
« on: March 26, 2019, 09:11:12 AM »
Model 232D676 is a 1962 "deluxe" as RCA termed their best models. Remote control with UHF. One of the last RCA combos that was all-tube.

Im endlessly hunting for color, using a CTC11 chassis. I do not think Mag had a color theatre before 1963...but that TV chassis would have been a series 37.

Sightings / GE RC4535a - 1964
« on: March 14, 2019, 11:46:56 AM »

GE record changer used on later all-SS models. Sams 731-6 shows all tubes with SS outputs and high-impedance speakers

Other Tube Console Brands / Westinghouse 1962 console H-M1801
« on: February 21, 2019, 01:34:57 PM »
Yes, you can be sure if its Westinghouse. I got this two week ago and already cleaned it up, took out the chassis for a bit of upgrade and finally got around to posting it. It was an easy to carry up to my new second floor shop with only a furniture lifting strap.

First lots of pictures and later, details of how EASY it was to restore and then how it sounds.
Hint- the schematic has very few parts compared to others but I was surprised by the first slow power-up using a series 300 watt mogul-base light bulb.

This may be the easiest and fastest restoration I ever did, it was put together with the serviceman in mind and the power supply is outrageously simple.

Sightings / Westinghouse console
« on: January 29, 2019, 08:30:26 AM »

This looks tube-era and appears to have one woofer...interesting. You can be sure....

RCA / RCA victor 1VF507
« on: January 17, 2019, 10:21:20 AM »
RCA made some odd cabinets and here is one fine example. I saw this sit on CL just long enough to expire and decided last Friday I needed to make a stop on the way home ::).

I knew from the ad's photo that this was a 1962 or 1963 model. It is not multiplex stereo, nor is it labeled "living stereo", like two 1961 models I have. It also has a 6FG6 linear tuning eye or "beam" replacing the round 6E5 used previously. It does tune AM and FM separately and the selector has a setting for FM-AM for the early "stereophonic simulcast".

The cabinet was originally white but has been refinished inside and out with some stain/varnish. the top is inlaid mosaic tile that is clean and looks to be without cracks in the grout. The grill cloth is white but surprisingly clean so I'm not sure its original. One thing I found upon opening it up was that the record compartment light #12 mini bi-pin lamp, and plastic lamp cover was screwed inside the cabinet and never installed. There is also a plug for reverberation, laying unused.

The best part of this console is it looks like the back was never off and all the tubes are original. There was a version of the PP6BQ5 amp with three identical channels the model year before but this unit is straight 2-channel stereo. The placement of the speakers is very odd and probably hurts the overall stereo imaging. External speakers would have been a great idea but the jumper plugs for the 6 internal speakers look untouched as well.

Sightings / GE white FP console - MD
« on: January 14, 2019, 09:40:33 AM »

Not sure of the RC-xxxx model number but I can tell its tube form 1962

Phonographs / RCA - RP224 no shutoff
« on: December 03, 2018, 02:25:02 PM »
It is in a friend's portable VJP-98, now it won't shut off. I just fully disassembled, cleaned and restored. 8) The amp/speakers/etc was in sam's 950, which I copied for him as a "manual" of sorts.

I was playing this portable a week ago, with some RCA dynagroove Christmas collection LPs, and my daughter was getting a kick out of the changer action ;D BUT seriously its only got a very tame 4-watt (yes-total) stereo amp.

I had put a Pfanstiehl 648-DS in it besides the full re-cap and it sounded nice and mellow as it did when new. I have to give it back, though the heaviness of this Victrola portable will not be forgotten. ;)

The end of record shutoff is not operating though it starts, runs and rejects as it should. I disassembled the little clutch associated with the run-out groove and cleaned it to no avail. :-[

He will pick it up soon, I let him know he would have to manually reject at end of each record, not a deal-breaker.

RCA Solid State Discussion / 1967 RCA Victor VJT-76W
« on: November 21, 2018, 03:33:47 PM »
Just picked this up. What a heavy beast. More photos when I open it up. Power rated at 500 watts? Got the 1967 full line brochure too. Need to scan that for downloads.

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