Arbiter - Treble & Bass Fuzz Face  [schematic]

Discussion regarding early stompbox technology: 1960-1975 Please keep discussion focused and contribute what info you have...
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Chugs
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Post by Chugs »

I have a couple of Fuzz face enclosures and the distance between the centres of screw holes is 51mm.

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rustyg
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Post by rustyg »

Thanlks but been there, done that...

I have this beast so I don't need the schematic or values; I can just look at my board.

It's the OFF BOARD wiring I'm interested in. I've done a fairly thorough web search & have come up dry. Any one have any other resources to the OFF BOARD WIRING? from the pictures on the web, it looks typically 'British'.

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Post by phatt »

Never seen one in the flesh but I was under the understanding that these unit where *positive ground*?? If so the then the pictures make sense as the red positive goes to ground.
Check the electros for clues as they will also be polar reversed.
Phil.

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Post by sinner »

phatt wrote:Never seen one in the flesh but I was under the understanding that these unit where *positive ground*?? If so the then the pictures make sense as the red positive goes to ground.
Check the electros for clues as they will also be polar reversed.
Phil.

Yeah, that sets me off. I did the wiring layout but stopped at battery connection. The schemo I have is for BC109, all we know thats NPN trannies....

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Post by phibes »

What's confusing about the off-board wiring? It should be pretty straight forward to figure out from the schematic regardless if it's it neg or pos ground.
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Post by sinner »

phibes wrote:What's confusing about the off-board wiring? It should be pretty straight forward to figure out from the schematic regardless if it's it neg or pos ground.
Not quite. Schemo screams for NPN silicons, and wiring picts shows positive (red wire) going to ground.

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Post by phibes »

Ah I see. Well all wire coloring in the OP unit match all the old photos I got of other units so the off board wiring looks right. Two red wires look replaced but they we're hooked back up right, same with color. I never really looked closely at this one but yeah, the jacks are grounding to positive and the battery is being disconnected from the circuit off the positive wire so good catch there! I'm surprised that wasn't noted in the schematic in the other thread.......

Does the unit work?
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Post by sinner »

Want some more confusion?

E-caps on the same picts I was referring to are pointed negative to ground!

I say WTF?

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Post by lolbou »

Topics merged.
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Post by DrNomis »

Just wondering if anyone's finished building one of these and if so, how much bass/treble boost do you get with it?..... :hmmm:
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Post by phibes »

sinner wrote:Want some more confusion?

E-caps on the same picts I was referring to are pointed negative to ground!

I say WTF?
Yeah I can see the confusion now after eyeballing it. It looks wired for positive ground. It'll work either way as the electros are facing where they gotta go. I wonder why they did it that way? Did they do the same on the silicon Fuzz Faces?
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Post by Electric Warrior »

No, they're usually wired up correctly.

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Post by gigelmargel »

Hello all,

I want to build an Arbiter Bass/Treble Face, but I didn't find a layout of the parts. I've tried to retrace it using the photos from this topic, but I don't have enough skills to do that.
Can anyone help me?

Best regards,
Radu

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Post by LucifersTrip »

shouldn't the schematic be cool enough?

viewtopic.php?f=19&t=10359#p109284

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Post by gigelmargel »

LucifersTrip wrote:shouldn't the schematic be cool enough?

viewtopic.php?f=19&t=10359#p109284
Thank you LucifersTrip!
I've seen the schematic, but in the photos I saw some capacitors that I couldn't identify. I will try again, using both the schematic and the photos.

Best regards!

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Post by LucifersTrip »

Cool...if you find something different, let us know

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Post by modman »

Arbiter - Treble'N Bass Face (1966)
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Arbiter - Treble'N Bass Face gut shot 3
Arbiter - Treble'N Bass Face gut shot 3
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Arbiter - Treble'N Bass Face gut shot 2
Arbiter - Treble'N Bass Face gut shot 2
Arbiter - Treble'N Bass Face gut shot 1
Arbiter - Treble'N Bass Face gut shot 1
Arbiter - Treble'N Bass Face  case
Arbiter - Treble'N Bass Face case
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The Rotagilla
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Post by The Rotagilla »

If anyone saved the schematic could they re-post it? Thanks.
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Post by bluesbreaker62 »

Here you go :thumbsup
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