Fender Blackface Bassman

Model/Circuit Number: AA864, AA165, AB165 
Years of Production:
1964 – 1967
Era: Blackface
Configuration: Head
Controls: Black forward facing w/ white labels
Knobs: Black skirted w/ chrome center, numbered 1 – 10
Faceplate:

  • Front: Bass: In, In, Deep Sw, Vol, Treb, Bass – Normal: In, In, Bright Sw, Vol, Treb, Bass – Pilot Lamp
  • Rear: AC Outlet, Ground Sw, Fuse (2A), Power Sw, Standby Sw, Speaker, Ex. Speaker

Cabinet: Reproduction Bassman Head Cabinet / Reproduction Bassman Extension Cabinet

Protect your amp with aFender Bassman (Blackface) Style Cover

Tolex/Tweed:

Grill Cloth:

Logo: Grill mounted, raised, chrome & black, script
Weight: Head: 30 lbs ; Cabinet: 52 lbs
Speaker:

Effects:
Watts: 50 watts
Tubes:

  • Pre amp: 7025
  • Power: 2 x 6L6GC
  • Bias: Fixed Bias, adjustment pot (AA864) or balance pot (AB165)
  • Rectifier: Solid State

Comments:

14 thoughts on “Fender Blackface Bassman

  • January 30, 2012 at 2:00 pm
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    1965 blackface pre CBS. Best tone on planet EARTH!

    Reply
  • July 10, 2012 at 3:11 pm
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    AA864 Bassman was switched to the AA165 in January of 1965 until about mid-March give or take a week.  Almost every AA165 Bassman has a tube chart inside the back of the cabinet that shows the AA864 circuit.  After March at some point the AB165 circuit was manufactured and most of the early AB165 amps actually show the AA165 tube chart.  Very confusing.  To my knowledge (research) no AA165 amps exist with true AA165 tube charts.  Has anyone ever seen an AA165 Bassman with an original AA165 tube chart?

    Reply
    • July 17, 2012 at 10:42 am
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       I have a Bassman AA165 tube amp 200 watts by fender Musical Instruments from Fulerton, CA. I have pics also.

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      • September 6, 2017 at 10:48 am
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        Don’t confuse power consumption wattage with speaker output wattage.Consumption numbers are near the convience a/c outlet and are with the 120v-60hz lable.The speaker wattage is under the left side speaker jack.

        Reply
    • November 29, 2012 at 7:27 pm
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      This can not be correct, because I have a ’66 Bassman, it is labeled as having an AA864 layout, and it actually has the AA864 layout, as indicated by the presence of a bias adjustment pot and the fact that all of the components are correct to the AA864 schematic and layout sheets. It does not have a balanced bias setup, and the only modification ever made was to add the grounded three-prong line chord.

      Reply
    • September 29, 2013 at 8:02 pm
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      I’ve got a ’65 Bassman with the AA165 circuit and the AA165 tube chart. It was made in April of that year – stamped OD – and it is wonderful! Turn it up all the way and it sounds amazing. I’m not sure about your research source but here’s proof that they exist.

      Reply
      • June 7, 2014 at 8:35 am
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        I also have a 1965 Bassman with the AA165 label, however it was made in November of that year and has the AB165 circuit. It is true the AA165 were only made from January to March 1965 then Fender switched over to the AB165, however they made many, many tube chart labels for AA165 which they used through out the year until they ran out and ended up in many, many AB165 circuit Bassman’s. Fender never wasted a thing and kept poor records so there are many instances of inconsistencies from tube charts to guitar woods. I cannot speak on the 1966 Bassman with the AA864 circuit that was only used in the Blonde Bassman’s of 1963 which features a presence knob and lack the extra gain stage in the guitar input. Either it is a total fluke, which is highly unlikely because we are far into production by 1966 and CBS has taken over… perhaps there was a modification at some point in its lifetime to revert it back to the Blonde circuit that people do love.

        Reply
    • September 22, 2014 at 6:00 pm
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      I have one with the AA165 stamp sitting right next to me. Still alive & well! Can send pictures for you to admire 😉 hehehehee

      Reply
  • December 6, 2012 at 9:03 am
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    I need the fender part number for the volume pots on my 1965 AA165 Bassman. Anybody got that part number. I can’t look at the Amp because my son has it New Orleans and I’m in Oregon.

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    • December 6, 2012 at 11:54 am
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      The part that you need is a 1M Audio pot for either volume control.

      Reply
  • February 1, 2017 at 12:27 am
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    So if I use both the speaker and the ext. speaker outputs of my 67′ Fender Bassman amp simultaneously, that means I need two speaker cabinets of 8 ohms each? Also, I am planning to use this setting for playing bass, not guitar, so, what wattage do you recommend on the cabinets/speakers?

    Thanks.

    Reply
  • September 6, 2017 at 11:15 am
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    If your going to use both cabinets together all the time do your amp a favor.Load 16ohm speakers rated for 50 watts.I like 12″ Mod 50 16 ohm Jensens if your on a budget or of course Celestian Vintage speakers are nice too.4 12″ 16ohm speakers add up to a 4ohm load. This is exactly what your amp wants.In the event you only want to use one cabinet it will sit at 8 ohms and play just fine.Be sure to remove any and all fiberglass insulation and drill 2 one inch port holes at the bottom when cabinet is standing up.This simple procedure will make that old nasty ‘Muddy-muffily’ sound brighten right up and 3 times more sound will fill up the room at any volume setting.Playing with the volume lower will extend the life of your unit 10-fold .Remember to use fresh strings and switch to the lightest gauge you can find. You wont believe the difference.You don’t need that battery cable e string so never buy another one..

    Reply
  • February 10, 2018 at 7:42 pm
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    I am thinking of buying what is being called a 1966 Bassman head and cab, and I’m confused about several things. First it has a AA185 tube label so shouldn’t that make it a 1965? And secondly, it has 2 10″ Upton speakers which the owner believes are the origin as they are stamped 39th week of 1965. Again – a ’65 or a ’66? And I thought they only made the cabs with 1×12’s during that time… Thanks very much for your help.

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    • April 20, 2018 at 9:07 am
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      You would have to look inside at the wiring to determine which circuit is correct. I’ve never heard of AA185, or 10″ speakers in a Bassman. All piggy-back Bassmans had two 12″ speakers, until the big cabinets with 15s became available in the Silver Face era. Either your information is skewed, or the unit has been modified. Don’t pay too much for it.

      Reply

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