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Headphones, Personal Listening Gear Personal Listening at its Best

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Old 01-05-2021, 12:11 PM
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FreddieFerric FreddieFerric is offline
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Default Diagraming The HP Rig And The Value Of Keeping Old Gear Lying Around

I recently wanted to add a second input source to my Woo WA6. Namely, my Technics SL-1210 MK 5. Problem is, the Woo only supports a single input. This is where the switch box enters the equation together with a lot of extensions and interconnects.

Particularly challenging was adding an extension ground wire to the hard wired (and rather short) ground on the Technics. I had an extra AudioQuest Ground Goody laying around that I bought, but never used, so it was pressed into service. A small screw, nut and 2 small washers fastened very tightly, together with some nylon tube shielding joined the two ground wires and fixed that issue, but left a rather noticeable buzz in the system.

Enter the Rolls Buzz Off. I had bought this device years ago when I was having a damnable ground loop in my old TT setup (JA Mitchell). The Rolls did nothing for the problem so I had set it aside figuring I'd never use it, but it really came in handy here. I was quite pleased to find it eliminated the buzz from the system and in fact made the JD9 perform more quietly than I can recall ever hearing.

The rub of all this was the connections. I was proposing to connect a single input head amp with a turntable, a CD player, a phonostage, a switch box and a buzz off. Finally the solution presented itself (I am rather slow in my dotage) just diagram the setup! Brilliant! And it worked.

So here it is, a perfectly good sounding HP Rig that can go from vinyl to digital at the turn of a knob. I like it.

(Thanks for reading. I really didn't have anything else to do this morning)
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File Type: jpg HP Rig.jpg (87.2 KB, 40 views)
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Old 01-05-2021, 01:37 PM
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A clever solution for sure. For what it’s worth, some years ago (probably 8-10) I had the same challenge with my WA6 and asked Jack Wu if he would make a version with two inputs. He had me send mine back and, for a small fee, added a second input with a simple toggle switch in the back.
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Old 01-05-2021, 01:58 PM
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Quote:
Originally Posted by Antonmb View Post
A clever solution for sure. For what it’s worth, some years ago (probably 8-10) I had the same challenge with my WA6 and asked Jack Wu if he would make a version with two inputs. He had me send mine back and, for a small fee, added a second input with a simple toggle switch in the back.
Now that is a really nice solution. Wonder if he would still do it?
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McIntosh MA8000; McIntosh MC1502; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Technics SL 1210 MK5; Audio Technica AT-150 MLX; Tascam BR-20; Teac X1000R; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 28; Woo Audio WA6; Shure SRH 1840; SVS SB 1000; Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Wireworld Oasis 8 Speaker Cables; Audoquest Columbia 72 DBS IC's; Panamax PM-5400 (source components only)
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Old 01-05-2021, 09:27 PM
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Default Diagraming The HP Rig And The Value Of Keeping Old Gear Lying Around

Jack Wu is a standup guy who makes great products.
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