McIntyre BluesMaker Bassman

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McIntyre BluesMaker Bassman

Postby Flames1950 on Sat Mar 19, 2005 3:42 pm

I put this on eBay yesterday. I yanked it today.
It was my first all-tube amp of any quality, and I just couldn't let it go.
I've been gutting and modding this poor thing for years now, so to retire it from being rewired I made a turret board for the McIntyre BluesMaker Bassman mod and wired it up nice. I just don't have the heart to ever gut this amp again but there weren't enough original parts left to justify restoring it.

:)
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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Mon Mar 21, 2005 6:37 pm

What is this McIntyre BluesMaker Bassman mod you speak of? I've got a '68 bassman 50 yearning to be reactivated.... ;)
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Re: McIntyre BluesMaker Bassman

Postby Swarty on Mon Mar 21, 2005 8:25 pm

The McIntyre BluesMaker was a mod published in Guitar Player about 10 years ago. Pretty cool design, a control to blend 2 preamps together, cathode drive tone stack, EL34s. I've made a couple for customers and they sound quite nice.
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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Mon Mar 21, 2005 10:39 pm

:cool: Check >it< out. :cool:
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Re: McIntyre BluesMaker Bassman

Postby Swarty on Tue Mar 22, 2005 12:04 am

I will add one essential revision to the mod; You need to reverse the polarity of the output transformer (either at the primary or the secondary). Lest the amp will do nothing but squeal.
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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Tue Mar 22, 2005 12:26 am

Like a stuck pig?! :D
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Re: McIntyre BluesMaker Bassman

Postby Flames1950 on Tue Mar 22, 2005 3:36 am

Originally posted by Swarty:
I will add one essential revision to the mod; You need to reverse the polarity of the output transformer (either at the primary or the secondary). Lest the amp will do nothing but squeal.
God, there's no more horrible sound than hitting that standby and getting the biggest hum imaginable........ :eek: :eek: :eek:
Don't forget, only reverse the OT leads on AB165 and later......
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Re: McIntyre BluesMaker Bassman

Postby worldoftone on Tue Mar 22, 2005 3:53 am

You guys are REALLY making me want to mod this old ratty '72 Bassman I have sitting here . . .

:D

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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Tue Mar 22, 2005 9:19 am

Good Sir Flames. Praythee dost thou still haveth thine redrawneth lainout for the mod of Ire? :D
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Re: McIntyre BluesMaker Bassman

Postby Flames1950 on Tue Mar 22, 2005 9:50 am

Originally posted by Baron Von Machinenmann of Mirth:
Good Sir Flames. Praythee dost thou still haveth thine redrawneth lainout for the mod of Ire? :D
Dude, it's 5 AM. I can't speak the King's Olde English at 5 AM.
I don't have a nice layout drawn up of the turret board I did. I can get a closer pic and label what parts are what if you want, or I did do a easier to read layout of the circuit on the original Fender tag board. But fair warning, I left off the Presence Shift switch and used a bright cap on the volume instead of the Bright switch. Mine just has the Gain Boost on the Bass ch.'s switch and the Mid Boost on the Normal ch.'s switch.
I'm also stubborn and didn't use the recommended shielded cable for sensitive areas, I just routed wire carefully. I don't think it's any noisier than the average Marshall the way I did it.
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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Tue Mar 22, 2005 10:46 am

NEEE!! :D No problem Andy, where is a good source for reasonable turrets? Is that board garrolite like McMaster Carr sells?
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Re: McIntyre BluesMaker Bassman

Postby Flames1950 on Tue Mar 22, 2005 12:12 pm

I don't know exactly what the board is made of; I got it from George at Metro Amp. Looks like layers of brown fabric in a resin (it's his "Vintage Brown" board material.) I got the Keystone turrets from him too, but if you go that route get the double Keystones -- George says there's more space down the middle of the double for component leads. The plain single Keystones I used didn't always have enough space down the center so I had to wrap a lot of the leads around the sides of the turrets. I just used a large center punch and mallet to stake the turrets into the board.

I can probably whip up a turret board layout and put it in PDF format if you want, but I'm a slow poke at Adobe programs.
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Re: McIntyre BluesMaker Bassman

Postby Baron Von Machinenmann on Tue Mar 22, 2005 4:08 pm

No hurry, but if you'd like a spare board for yer troubles (courtesy of the cnc machine at that 4 letter word place :D ) 2 boards are just as easy as one. ;)
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Re: McIntyre BluesMaker Bassman

Postby drewl on Tue Mar 22, 2005 7:02 pm

FWIW a friend had one of these that sounded horrible.
i turned it into a blackface bassman and it sounded beautiful.
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Re: McIntyre BluesMaker Bassman

Postby bluezinger on Tue Jan 31, 2017 5:23 pm

I've got a couple of Mcintyre amps. One is a Silverface Bandmaster he modded for me in the early 90s. The other is a custom made Bluesmaker 40 watt head he made from scratch for me also in the 90s. Cool sounding heads. For a long time the custom one was my main studio amp. Very versatile with lots of EQ. Bass, Treble, Presence, and 3 Mids. Very responsive. I don't really use them anymore and am thinking about letting them go.
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