Meyer Sound UPM-1 User's Manual
Contents
1. Designed for sound reinforcement applications requiring minimum size the UPM 1 delivers high sound pressure levels with very low distortion and extremely even coverage in both axes Suitable for a wide range of applica tions from music playback and delay fill systems to stage monitoring the UPM 1 features outstanding low frequency performance in an unusually compact package Its ultra flat frequency response simplifies room equalization requirements and ensures high gain before feedback The loudspeaker consists of two 5 inch low frequency cone drivers in a vented enclosure and a 2 by 5 inch horn loaded piezoelectric high frequency driver with passive crossover UltraSeries Reinforcement Loudspeaker 0 Inches The rugged cabinet is easily handled and installed It has three 3s 16 threaded rigging points and may be mounted on a stand An optional steel bracket facilitates mounting in permanent installations The UPM 1 system requires a high quality professional power amplifier cap able of delivering 125 watts continuously into 16 ohms with a signal voltage gain of 20 dB minimum to 30 dB maximum fN Features Ultra compact Lightweight Efficient high power Versatile Uncompromised quality Even dispersion Long term reliability Applications Music playback in small clubs Multi channel AV playback Side fill in live music clubs Stage monitoring Delayed fill in installations Paging and ann2. dance gt 20 dBu gt 26 dBu lt 90 dBV gt 105 dB 10K ohms true differential opto isolated RMS Limiter RMS and Peak Limiter Green LED Red LED Green LED Level Control AC on off switch Lo Cut Switch 3 pin XLR A 3 14 RTS phone jacks Banana jacks 120 240V AC 50 60 Hz internally switchable 19 W x 1 H x 7 D Standard rack mount 7 Ibs 3 1 kg Note 1 Measured 1 meter on axis pink noise input in third octave bands Note 2 A weighted noise input loudspeaker driven by 125watt 16 ohm rating mono amplifier Note 3 1 kHz 10k Q load lt 0 1 THD Note 4 A weighted Note 5 Noise floor to maximum output Sense Limit OY P f Meyer Sound Power Lo Cut Flat Bul 207 UltraSeries P 1A The UPM 1 operates as a system with the P 1A Control Electronics Unit Optimized for the UPM 1 and pre aligned at the factory the P 1A contains frequency response and phase response alignment circuitry and Meyer Sound s exclusive SpeakerSense driver protection circuitry incorporating both peak and RMS signal limiting SpeakerSense protects the UPM 1 loudspeaker components from damage due to overheating under high power condi tions This unique circuit continuously monitors the power applied to the UPM 1 drivers and limits the signal output when the safe operating limits of the drivers are exceeded Until the onset of overload the Speak
3. erSense circuitry has no effect on the signal Six stages of Meyer s exclusive comple mentary phase equalization in the P 1A Control Electronics Unit give the UPM 1 flat frequency response with outstanding phase characteristics A single channel device operating at line level the P 1A is the final component in the signal chain before the amplifier Attn dB MEYER SOUND Architectural and Engineering Specifications UPM 1 P 1A The ultra compact high power rein forcement speaker system shall be a passive 3 way type with two 5 inch low frequency loudspeakers front mounted in a ducted brass reflex hardwood plywood enclosure with a high frequency piezo electric driver mounted on a2 x 5 horn The enclosure shall be fitted with three 16 threaded mounting points and shall operate with a separate Control Electronics Unit The Control Electronics Unit shall con tain a power supply capable of operating from a120 240V AC 50 60 Hz line equal ization circuitry for amplitude and phase alignment protection circuitry which 1989 Meyer Sound 04066036 01C automatically activates under high power conditions RMS limiter which protects the speakers from overheating active bal anced input active push pull output and LED indicators for power on and limiters Total harmonic distortion at 26 dBu at the balanced output loaded with 10kQ shall be less than 1 at 1kHz The A weighted noise level shall be at
4. least 105 dB below maximum rated output of 26 dBu The speaker system combined with a 125W 16 ohm rating amplifier shall meet the following performance criteria Frequency response 60 Hz to 20 kHz plus or minus 4 dB measured in half space at 1 meter on axis with 4 octave pink noise output of 108 dB SPL measured at 1 meter on axis with peaks of 118 dB SPL when driven with A weighted noise Distribution pattern 80 degrees horizon tal by 60 degrees vertical Speaker enclosure dimensions shall be 674 W x 18 H x 7 D weight 16 Ibs 7 3 ko Control Electronics Unit dimensions shall be 19 W x 134 H x 7 D weight 7 bs 3 2 kg The speaker enclosure shall be the Meyer Sound UPM 1 The Control Electronics Unit shall be the Meyer Sound P 1A Meyer MMi sound Meyer Sound Laboratories has devoted itself to designing manufacturing and refining com ponents that deliver superb sonic reproduction Every part of every component is designed and built to exacting specifications and undergoes rigorous comprehen sive testing in the laboratories Research remains an integral driving force behind all produc tion Meyer strives for sound quality that is predictable and neutral over an extended lifetime and across an extended range sound engineering for the art and science of sound Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 510 486 1166 FAX 510 486 8356
5. ouncing Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 510 486 1166 FAX 510 486 8356 MEYER SOUND UPM 1 Specifications Acoustical UPM 1 P 1A Frequency Response Half space Free air Maximum SPL Continuous Peak Distribution Pattern 6dB points Horizontal Vertical UPM 1 Loudspeaker Driver Complement Low Frequency High Frequency Passive Network Function Capacitor Type Inductor Type Cabinet Impedance Enclosure Finish Connector Protective Grill Mounting Points Physical Dimensions Weight P 1A Control Electronics Unit Inout Type Output Type Maximum Input Output Level Unbalanced Balanced Hum and Noise Dynamic Range Sense Input Driver Protection Circuitry Low Frequency High Frequency Indicators Sense Limit Power Controls Connectors Balanced Input Output Sense Input Power Physical Dimensions Weight 60 20 000 Hz 4 dB 70 20 000 Hz 4 dB 108 dB 118 dB 80 degrees 60 degrees 2 MS 5 5 inch cone drivers 8 ohms per driver 2 x 5 horn loaded piezoelectric 3 way crossover and HF driver protection Polypropylene Ferrite core 16 ohms 0 2 cu ft vented multi ply Finnish birch Black textured Cannon EP 4 or 3 pin XLR male and female Expanded metal screen frame vinyl damped charcoal grey foam covering e 16 nut plates 634 W x 188 H x 7 4 D 16 lbs 7 3 kg Balanced active 47k ohms Push pull active 200 ohms source impe
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