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Years ago, a bassplayer friend was working with a lead singer who bought a Dual Showman to play rhythm guitar through. He was a great singer, and front man, but a lousey rhythm player, and he was way ...

The one they show is only 2". Not sure if you can make one of the square ones work.
https://www.tubesandmore.com/products/jacks_plugs?filters=654a2899c212a654

Looks like an Oxford 465, can't make out the date after that.

The switch adds a capacitor to ground between the "hot", "neutral", or neither. I suspect an attempt to filter the power to some extent. Does it work?
With modern wiring the dedic ...

Peavey did the same as the 70's Fender amps, either leg, (+ -) shorted to ground through a capacitor, or open (0).
It may have been a transition thing as folks were used to flipping switches, or rota ...

All "modern" amps have to be properly grounded, so there is no need for a "ground" switch.

https://www.tubesandmore.com/products/op-amp-opa2134-dual-high-performance-audio-8-pin-dip

If there is room, use a Switchcraft with wires to the board. I have replaced several on the Fender "hot rod, and juniors".

I guess my concern is if the front sticks out too much, the chassis is usually set back a little into the cabinet.
I took some pics, but need to figure out how to resize them!

The Silverface is deeper, as they started adding a lip to the rear.
This cab is 24.5" chassis width, and the top is 8.5" front to rear.

Let me measure the cutout!

Isn't the Vibrasonic the same dimension as the Twin?
I have a Mojo cab that I had my Twin in with a 15" baffle. (That SRO really sounded nice!)

The specs say the Boss unit delivers 1A output, a lot of "standard" wall warts won't make half that! A One Spot puts out 1.7A, so you might try one of those.

I too have thought about using 1/2" material for speaker cabs. That popular sounds like a good idea, any plywood adds weight in exchange for strength.

Don't know what pedal you have, but string type and gear type both have a little room for adjustment either way. I usually set mine up with full volume.

I assume it was the OT with only 2 fasteners, line it up with the holes, and install the appropriate length screws. If the nuts aren't the "Kep" type I would use them, or at least a dab of n ...

Dave, I think we're talking about different "ground loops". It is critical in the signal chain to keep them at bay, but usually lifting the shield at the equipment end of long cable runs tak ...

Dave, for that to happen, you would need a poor connection in either the grounds or neutral circuits. Yes, a ground lift function is a workaround for a problem, but if all equipment is properly ground ...

The entrance panel, has both Neutral and Ground busses, which come together at that point. Extension or sub panels isolate all the Grounds and Neutrals to their respective buss bar which are electrica ...

Code requires that all grounds terminate to a common buss in the entrance panel.
I used to tie all stage electrical, (except lighting), to a common circuit. Many of the old venues in my area are not ...

To the original question, I'm sure the capacitance will change, whether it can be heard.......?
A "curley" cable will sound different than a straight one of the same length to some, (I can' ...

I'm sure they're fine, when building a new circuit, I buy 50V caps, but wouldn't change the 25V you have.
Look at this article, he really breaks things down!
https://robrobinette.com/How_to_Bias_a_T ...

Bias is a suggestion, it can be hotter or colder, most 5F1's, and 5E3's I try to set close to 100% at idle. If you like the sound, and the trem operates like you want it to, 91% is fine.

I'll add my 2C, I don't change the reverb chip, I feel the 4560, and 4558 sound better!

Or taming the Blackface reverb!

Author	Message
Topic: Nashville 112 Speaker Wire Blue/Yellow
Bill A. Moore Replies: 13 Views: 905	Forum Section: Electronics Posted: 7 Nov 2024 10:20 am Subject: Nashville 112 Speaker Wire Blue/Yellow
Bill A. Moore Replies: 13 Views: 905	Years ago, a bassplayer friend was working with a lead singer who bought a Dual Showman to play rhythm guitar through. He was a great singer, and front man, but a lousey rhythm player, and he was way ...
Topic: Looking for 3" diameter cabinet jack plate.
Bill A. Moore Replies: 4 Views: 500	Forum Section: Electronics Posted: 31 Oct 2024 2:26 pm Subject: Looking for 3" diameter cabinet jack plate.
Bill A. Moore Replies: 4 Views: 500	The one they show is only 2". Not sure if you can make one of the square ones work. https://www.tubesandmore.com/products/jacks_plugs?filters=654a2899c212a654
Topic: Fender 12" special design speaker 1972
Bill A. Moore Replies: 1 Views: 244	Forum Section: For Sale: Amps and Accessories Posted: 28 Oct 2024 1:15 pm Subject: Fender 12" special design speaker 1972
Bill A. Moore Replies: 1 Views: 244	Looks like an Oxford 465, can't make out the date after that.
Topic: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	Forum Section: Electronics Posted: 28 Sep 2024 12:24 pm Subject: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	The switch adds a capacitor to ground between the "hot", "neutral", or neither. I suspect an attempt to filter the power to some extent. Does it work? With modern wiring the dedic ...
Topic: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	Forum Section: Electronics Posted: 24 Sep 2024 11:36 am Subject: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	Peavey did the same as the 70's Fender amps, either leg, (+ -) shorted to ground through a capacitor, or open (0). It may have been a transition thing as folks were used to flipping switches, or rota ...
Topic: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	Forum Section: Electronics Posted: 24 Sep 2024 7:54 am Subject: Nashville 112 - No Ground Switch?
Bill A. Moore Replies: 12 Views: 1314	All "modern" amps have to be properly grounded, so there is no need for a "ground" switch.
Topic: Nashville 112 mod chips
Bill A. Moore Replies: 1 Views: 486	Forum Section: Electronics Posted: 20 Sep 2024 8:35 am Subject: Nashville 112 mod chips
Bill A. Moore Replies: 1 Views: 486	https://www.tubesandmore.com/products/op-amp-opa2134-dual-high-performance-audio-8-pin-dip
Topic: Seek quality Roland input jack
Bill A. Moore Replies: 1 Views: 470	Forum Section: Electronics Posted: 20 Sep 2024 5:28 am Subject: Seek quality Roland input jack
Bill A. Moore Replies: 1 Views: 470	If there is room, use a Switchcraft with wires to the board. I have replaced several on the Fender "hot rod, and juniors".
Topic: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Forum Section: Wanted To Buy Posted: 4 Sep 2024 8:12 am Subject: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	I guess my concern is if the front sticks out too much, the chassis is usually set back a little into the cabinet. I took some pics, but need to figure out how to resize them!
Topic: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Forum Section: Wanted To Buy Posted: 3 Sep 2024 9:25 am Subject: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	The Silverface is deeper, as they started adding a lip to the rear. This cab is 24.5" chassis width, and the top is 8.5" front to rear.
Topic: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Forum Section: Wanted To Buy Posted: 3 Sep 2024 8:17 am Subject: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Let me measure the cutout!
Topic: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Forum Section: Wanted To Buy Posted: 3 Sep 2024 6:15 am Subject: Cabinet For 1970's Fender Vibrosonic 15"
Bill A. Moore Replies: 9 Views: 938	Isn't the Vibrasonic the same dimension as the Twin? I have a Mojo cab that I had my Twin in with a 15" baffle. (That SRO really sounded nice!)
Topic: ISO Boss adapter PSC-100 [found please close]
Bill A. Moore Replies: 5 Views: 950	Forum Section: Wanted To Buy Posted: 24 Aug 2024 4:19 pm Subject: ISO Boss adapter PSC-100 [found please close]
Bill A. Moore Replies: 5 Views: 950	The specs say the Boss unit delivers 1A output, a lot of "standard" wall warts won't make half that! A One Spot puts out 1.7A, so you might try one of those.
Topic: what plywood for lightweight speaker cabinets, like Quilter
Bill A. Moore Replies: 17 Views: 2293	Forum Section: Electronics Posted: 24 Aug 2024 9:46 am Subject: what plywood for lightweight speaker cabinets, like Quilter
Bill A. Moore Replies: 17 Views: 2293	I too have thought about using 1/2" material for speaker cabs. That popular sounds like a good idea, any plywood adds weight in exchange for strength.
Topic: passive volume pedal
Bill A. Moore Replies: 8 Views: 1655	Forum Section: Electronics Posted: 20 Aug 2024 3:04 pm Subject: passive volume pedal
Bill A. Moore Replies: 8 Views: 1655	Don't know what pedal you have, but string type and gear type both have a little room for adjustment either way. I usually set mine up with full volume.
Topic: Please Close - Attaching Loose Power Transformer
Bill A. Moore Replies: 1 Views: 712	Forum Section: Electronics Posted: 18 Aug 2024 10:13 am Subject: Please Close - Attaching Loose Power Transformer
Bill A. Moore Replies: 1 Views: 712	I assume it was the OT with only 2 fasteners, line it up with the holes, and install the appropriate length screws. If the nuts aren't the "Kep" type I would use them, or at least a dab of n ...
Topic: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Forum Section: Electronics Posted: 1 Aug 2024 10:01 am Subject: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Dave, I think we're talking about different "ground loops". It is critical in the signal chain to keep them at bay, but usually lifting the shield at the equipment end of long cable runs tak ...
Topic: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Forum Section: Electronics Posted: 31 Jul 2024 4:48 pm Subject: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Dave, for that to happen, you would need a poor connection in either the grounds or neutral circuits. Yes, a ground lift function is a workaround for a problem, but if all equipment is properly ground ...
Topic: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Forum Section: Electronics Posted: 31 Jul 2024 12:56 pm Subject: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	The entrance panel, has both Neutral and Ground busses, which come together at that point. Extension or sub panels isolate all the Grounds and Neutrals to their respective buss bar which are electrica ...
Topic: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Forum Section: Electronics Posted: 31 Jul 2024 9:39 am Subject: PA System Hum
Bill A. Moore Replies: 15 Views: 1983	Code requires that all grounds terminate to a common buss in the entrance panel. I used to tie all stage electrical, (except lighting), to a common circuit. Many of the old venues in my area are not ...
Topic: Hypothetical question for the electron geeks among us...
Bill A. Moore Replies: 9 Views: 1443	Forum Section: Electronics Posted: 24 Jul 2024 6:03 am Subject: Hypothetical question for the electron geeks among us...
Bill A. Moore Replies: 9 Views: 1443	To the original question, I'm sure the capacitance will change, whether it can be heard.......? A "curley" cable will sound different than a straight one of the same length to some, (I can' ...
Topic: Fender Vibro Champ bias question
Bill A. Moore Replies: 12 Views: 1930	Forum Section: Electronics Posted: 20 Jul 2024 2:39 pm Subject: Fender Vibro Champ bias question
Bill A. Moore Replies: 12 Views: 1930	I'm sure they're fine, when building a new circuit, I buy 50V caps, but wouldn't change the 25V you have. Look at this article, he really breaks things down! https://robrobinette.com/How_to_Bias_a_T ...
Topic: Fender Vibro Champ bias question
Bill A. Moore Replies: 12 Views: 1930	Forum Section: Electronics Posted: 20 Jul 2024 11:11 am Subject: Fender Vibro Champ bias question
Bill A. Moore Replies: 12 Views: 1930	Bias is a suggestion, it can be hotter or colder, most 5F1's, and 5E3's I try to set close to 100% at idle. If you like the sound, and the trem operates like you want it to, 91% is fine.
Topic: Fox Mod Kit Nashville 112
Bill A. Moore Replies: 16 Views: 2733	Forum Section: Electronics Posted: 18 Jul 2024 5:12 am Subject: Fox Mod Kit Nashville 112
Bill A. Moore Replies: 16 Views: 2733	I'll add my 2C, I don't change the reverb chip, I feel the 4560, and 4558 sound better!
Topic: 2 5751 US tubes sold please close
Bill A. Moore Replies: 4 Views: 532	Forum Section: For Sale: Amps and Accessories Posted: 17 Jul 2024 1:13 pm Subject: 2 5751 US tubes sold please close
Bill A. Moore Replies: 4 Views: 532	Or taming the Blackface reverb!