Page 3 - Introduction; Subwoofer; Power Requirements; Meyer PS-1 AC Adapter
3 Introduction The Meyer HM-1S Studio Monitor is a compact, full- range, self-powered reference monitor that employs a concentric tweeter mounting structure to achieve true point-source performance. Sophisticated phase-correc- tion circuitry provides superb imaging without the off-axis cancellation ...
Page 4 - Power Supplies for Larger Systems
4 Power Supplies for Larger Systems If an installation includes more than 10 speakers, or requires several speakers to operate from a single 48 V line, a single, high-output power supply should be considered. The following sections provide current and voltage specifications for the HM-1Ss power req...
Page 5 - Sub
5 audio interruption. In the third, and preferable case, supplies that feature voltage foldback allow brief periods of current-limit without audio interruption; for this reason, we recommend using such supplies.The HM-1S does not require tight voltage regulation and operates down to 35 V although pe...
Page 7 - Connector Assembly Procedure
7 HM-1S to HM-1S Subwoofer Cable Connector Assembly Procedure Cable Boot Cord Connector Cable Clamp Housing Contact Pins Coupling Ring Step 1: Feed the end of the cable through the boot, cable clamp housing, and coupling ring in the order and position shown. Cable 3/8" Max. 7/32" Step 2: FOR...
Page 8 - Subwoofer Performance Verification
8 Subwoofer Performance Verification There are two methods of verifying that the phase relationship between the HM-1S and its subwoofer. One method is free field, the other is a ground plane measurement in half space. Free Field: Place the HM-1S directly above and coplanar to the subwoofer as pictur...
Page 16 - Cooling and Fan Installation; Protection and Limiting
16 Cooling and Fan Installation The HM-1S depends on natural convection to cool the heatsinks that absorb heat from the amplifiers and radiate the heat into the surrounding air space. Natural convection requires free air in back of, and underneath the HM-1S to allow air to flow up over the heatsinks...
Page 17 - Safety Summary
17 To reduce the risk of electric shock, disconnect the loud- speaker from the AC adapter before installing audio cable. Reconnect the adapter only after making all signal con- nections. Connect the AC adapter to a two-pole, three wire grounding mains receptacle. The receptacle must be connected...
Page 18 - Dimensions; Rear Panel Connectors
18 Meyer Sound Laboratories, Inc. 2832 San Pablo Avenue Berkeley, California 94702 Telephone: 510 - 486 - 1166 FAX: 510 - 486 - 8356 E-mail: [email protected] http://www.meyersound.com Dimensions All units in inches HM-1S weighs 11.0 lb (5.0 kg); HM-1S Subwoofer weighs 33 lb (15 kg) Rear Pa...