Ampeg 1961 M-12

swampash

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Incredible find it just too shiny. You solved that one for me. Thank you!
 

Flyboy

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ampking300

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These are all yours??
Yes, Flyboy-----along with about 300 other vintage amps/cabs/speakers, the remainder of my 55 years of collecting/playing/repairing----in the next couple of years I will be selling many of these pieces and will whittle the herd down to about 80 or so of my most historic/early ser.#'s/best sounding pieces----trouble is that I love them all and sometimes get really attached to certain ones and I have a problem letting them go, especially if I have not played them for a while and realize that incredible sound. I am a true addict,BUT, it is a GOOD addiction, RAY.
 

swampash

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Ray- Thanks for the introduction to Mitch Colby. He did respond and said he did lots of work on your collection. Unfortunately he is very busy and would not be able to look at the M-12 for some time. Rudy's Guitars recommended a local tech in New Rochelle, NY. On another note I'm thinking about speaker options if I don't love the speaker which appears to be a CTS square magnet ceramic? Not 100% sure what's in there. It not a Jensen. Any suggestions on a good option for this amp? Anyone? Thanks
 

'64 Tele

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Now I know why I never see any blonde tolex Fender amps for sale anywhere 🤔
 

ampking300

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Ray- Thanks for the introduction to Mitch Colby. He did respond and said he did lots of work on your collection. Unfortunately he is very busy and would not be able to look at the M-12 for some time. Rudy's Guitars recommended a local tech in New Rochelle, NY. On another note I'm thinking about speaker options if I don't love the speaker which appears to be a CTS square magnet ceramic? Not 100% sure what's in there. It not a Jensen. Any suggestions on a good option for this amp? Anyone? Thanks
Swampash, I have a boatload of vintage Jensen P12P speakers from all years, some are on Ebay and Reverb,( check ampking300 )on Ebay and Raymond's Gear Locker on Reverb, see if something hits you, I will give you a super deal as you are a fellow Ampeger. Also, have many other models of Jensens, but I always preferred the alnico P12P's they just sound really good with many of my old Ampegs/Fenders. Let me know,ray.
 

swampash

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Ray I'm interested just not sure which Jensen P12P. Pick me a nice one you think will work with 1961 M-12. I will buy it.

Mitch
(M)347-277-4285
 

swampash

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Hi Ampking300 (Ray)the Jensen P12P you sold me sounds wonderful. Thank you. I got it back yesterday from my amp tech Tom Londry in Westchester NY. He did great job bringing it back to it's glory. Sounds killer beautiful Ampeg cleans and takes pedals well. I was also lucky enough to find small piece of the Random Navy Flair tolex inside the cabinet so I was able to patch up 61 years of bumps and bruises on the corners. Looks and sounds amazing.
 

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swampash

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Can anyone help me identify this speaker. It came out my 1961 Ampeg M-12. I replaced with a 1957 Jensen P12P from Ampking300. The codes don't align with the basic info I have. Appreciate any help.
Mitch
 

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ampking300

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Thanks very helpful anyway to identify the year model ect.
Mitch, great talking to you the other day, really glad that you like the speaker that I sold to you and glad that Tom did a great job on your amp. This Eminence speaker is dated the 39th week of 1981 and is one of their generic square magnet speakers that they mostly used in the '70's/'80's. Good luck with your New/Old Stock Ampeg M12, Ray.
 

swampash

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Thanks for help identifying the speaker Ray. I picked up some Sylvania 6SL7 preamp tubes. Once I install I will let you know how they sound. I'm on the look out for a nice pair of 6v6 power tubes now.
 

Mowgli

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Ray is correct about that speaker.

Before Eminence started selling to the public, they were an industry supplier for organ cos, PA systems, guitar/bass amp cos, etc. As such, I read where they didn’t keep track of the specs of the speakers. So, unless you have the original literature/document accompanying the organ, tone cabinet, guitar/bass amp, etc you may not be able to find out the actual specs on it!

The original Eminence ALNICO speakers in my ‘76 130 watt Music Man amps withstood several minutes of “turned to 10” abuse when it was fairly new. So each speaker was “probably” rated for over 65 watts.

Organ amps were usually lower wattage amps ~ 20-40+ watts. Most organs and tone cabinets had at least two speakers. So they were probably rated at ~ 18-20 watts when new (I’m referring to an old Jensen catalog for these numbers. And if they are vintage then I’d treat them with kid gloves and only subject them to ~ 10-12 watts maximum. Paper cones and their surrounds dry out over time.
 

PigBoy

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Thanks its a fabulous collection Ray. Anyone in the NY Metro/CT/NJ know of a solid amp tech that knows Ampeg's.? I was considering Dave's Sound in Whippany NJ.
Blackie is a solid guy who does stellar work. Not sure how busy he is right now.

 

Schlumpfmeister

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I have a '63 Reverberocket with octals in the pre, a pair of 7591A power and a 5Y3.
It was so clean with vintage tubes that I had to snatch it. The original Jensen was blown, so a roundtrip at Weber for reconing and the whole thing sounds amazing honestly. Am a jazz guy on an ES-335 and I do believe there is some magic between Ampegs and humbuckers.
The reverb sounds great, the vibrato is power tube grid-based and sounds great. And the whole package looks great honestly. I love this amp.

However, they are pretty tricky to service/work on, very tight space.
But patience and it works great.
Mine is a 64 R12RB, also octals as pre-amp tubes, along with 7591 power tubes and a solid state rectifier. My other amps are a 69 Super Reverb and a 66 Deluxe Reverb. I can confirm that the old Ampegs are magical, this one is my bedroom favorite.

You have to push it very hard for saturation, it is mainly a clean amp. The power tubes will not distort, they are way oversized for the power of the amp. Reverb and bias trem are fantastic.

I can also confirm them being a bit tricky to service, not only because of tight space (in my case the functionality of a Deluxe Reverb in the housing of a 5E3), but also because of a pretty complex ground scheme and some strange component drift which I have not seen with other amps.
 

Stratman2252

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Good friend of mine gifted me an Ampeg 1961 M-12. Its needs some work but I'm excited to get it working. I was curious if there are any folks here who know about these vintage Ampeg's. Pre-amp octal tubes are 6ls7, Power tubes 6V6 and a 5Y3 rectifer. Thanks
Nice Friend!!! The Local Jam leader played through a Vintage Ampeg Jet 12. SO impressed I bought one with reverb, Vol, Treble and Bass. Loved it and got a back up. Then got one with single Tone control and tremolo and reverb. I added a Courtesy outlet on back to easily hook up pedal power. Amp is great with and without pedals. Lightweight. 35 lbs VS a much Heavier Deluxe Reverb, or Mesa Boogie. Plenty of Volume out of 20 watts. Suggest changing the speaker ton a 25 or 50 Watt Selection. The Stock Ampeg Speaker is weak. The Election blows it away. My third Ampeg still has an Eminence in it which is good. But probably would be better with Celestion. I put the 50 watt in the first and will put the 25 watt Green back in the second. ROCK. These are great. 90's reissues are very nice as well and use 12 Ax7 tubes and EL -84 Power tubes which are common in many amps including small Marshall Combos.
 

Esquier

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Buddy cousin has a Blue Jet with 6V6s, 6SL7s, and 5Y3. I rehabilitated it for him. It was easy enough back when I was just starting to poke around in amps. It had an open plate load resistor, so then he got a replacement Weber alnico speaker for it and I re-capped it. I love it
 




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