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Summary of Contents for Acoustical Systems arche
- Page 1 5D headshell arché © owner’s manual...
- Page 2 Introduction horizons in adjustment and sonic performance. Designed and manufactured like an The arché is the 1st universal headshell expensive tonearm, the arché maximizes ever to enable the user to adjust each rigidity, energy transfer and adjustment and all settings of cartridge alignment options.
- Page 3 Variants - satin finish - ceramic silver The arché is available in a choice of - satin finish - 24 ct gold prime finishes : - satin finish - rhodium - satin finish - black...
- Page 5 Accessories The arché comes with a complete selection of accessories: 4 alternative M4 nylon screw for 1 2 pairs of M 2.5 brass screws w/nuts SRA-adjustment 2 3 Allen key wrenches w/ SW 0.89, 5 OFC headshellleads set 1.5 und 2 mm 6 spirit level 3 SME-bayont isolationrings - 7 scale plate for SRA...
- Page 6 Adjustments 1. Overhang In the arché overhang can be adjusted at 2 different spots. You may use the prolonged screw slots for mounting the 1/2” cartridge. Furthermore you can slide back and forth the whole cartridge at the SME collar afterundoing the collar-fixing screw.
- Page 8 2. Offset angle The setting of the required offset angle also can be made in the prolonged mounting slots. The prolonged slots are a bit wider than necessary to accommodate a M 2.5 screw. Thus they allow for about +/- 3-5° offset-angle to be adjusted by moving the cartridge to the required position.
- Page 9 3. Azimuth Azimuth can be adjusted by first undoing the collar-fixing screw. Now you can rotate the complete headshell around the collar in both directions by +/- 3-4°. There are helping lines at the back of the arché to find certain direction and spots.
- Page 11 4. SRA / VTA In the arché the adjustment of SRA (“Stylus Rake Angle”) and / or VTA (“Vertical Tracking Angle”) can be made right at the spot - at the cartridge. By doing so, all static balance settings of the tonearm remain stable. The tonearm‘s wand also can be kept in full parallel horizontal position.
- Page 12 In the arché you can precisely adjust the angle of the mounting plate carrying the cartridge. This angle can be adjusted in a range between approx. 85° and 94° - in relation to the record’s surface. Making it easy to meet any desired SRA between 85°...
- Page 13 Now you can slowly attend the M4 Allen setscrew at the rear top end of the arché’s head. By doing so the rear end of the mount- ing plate will go down and the angle of the cartridgewill change. When you have reach the desired posi- tion, make sure to fasten the M2 Allen front screw again.
- Page 14 Changing the mounting plate In the arché you can exchange the mounting plate. Thus you can keep more than 1 cartridge in “pre-aligned” state at any time. Interchanging the mounting plates is easy and fast - enabling the user to exchange cartridges within minutes within (1) arché...
- Page 15 in each flank of the arché by half a turn (180°) - anti clockwise. Next please undo the M2 Allen screw in the front buckle with (2) full turns. By applying a careful amount of force, you will be able to extract the moun- ting plate from the clamp by pressing it downwards.
- Page 16 You will feel the small ball plungers engaging with the tiny indention on each flank of the mounting plate. These 2 ball plungers incorporated in the M2 setscrew do create a joint. This joint is again nullified and out of any action when fastening the front M2 Allen screw closing the buckle.
- Page 17 By firmly clamping the mounting plate on both flanks with the build-in buckle, we reach an optimized dampening effect in the whole headshell assembly.
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Page 18: Mountingplate(S)
Mountingplate(s) The exchangable and adjustable moun- to allow for extra “floor clearance”. ting plate of the arché is available in 2 Resulting in wider adjustability with versions: cartridges featuring a short cantilever or a small body. - “standard” with 5mm thickness - “extra”... - Page 19 Headshell-leads The arché comes with OFC-headshell leads. As an instant upgrade and option we do offer special silver litzwire headshell leads to maximize signal transfer from the cartridge: the aggelos pure silverlitz- headshell leads. These are the very best leads to use if you want the best possible The aggelos headshell leads are available separately.
- Page 20 designed, manufactured and assembled in Bavaria / Germany. www.acoustical-systems.com Email: info@acoustical-systems.com...