Rolls HM58 owner manual Introduction, Table of Contents, Inspection, Specifications, Schematic

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INTRODUCTION

Thank you for your purchase of the Rolls HM58 Headphone Monitor Remote. This unit, along with either the HM60 Headphone Monitor System or HM57 Head- phone Monitor Interface, allows you to mix four mono signals with two stereo signals for your own personal monitoring needs. It includes equalization and AGC compression.

Please read the following manual carefully to get the best results from your HM58.

TABLE OF CONTENTS
Introduction	1
Table of Contents	1
Inspection	1
Specifications	1
Description
Back Panel	2
Front Panel	2
Connection	3
Operation	4
Block Diagram	5
Schematic	6
Warranty	Rear Cover

INSPECTION

1. Unpack and inspect the HM58 box and package.

If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. We suggest saving the shipping carton and packing materials for safely transporting the unit in the future.

2. Please complete the Warranty Registration Card and return it to the factory.

SPECIFICATIONS	10 Ω
Output Impedance:	10 Ω
Sensitivity:	Variable, -10 to +4 dB for rated output
Power Output:	>500 mW at 32 Ω
	(>150 mW at 600 ohms) 20 Hz to 20 KHz.
Connectors:	Outputs: 1/4" TRS stereo headphone jack,
	DB25 (25 pin) jack
Distortion:	0.008% THD full power @ 1 KHz;
	0.05% THD 20Hz to 20 KHz
Dynamic Range:	Greater than 96 dB
Freq. Response:	20 Hz to 20 KHz, +0, -1 dB 400 mW output
Power Requirement:	Receives power from HM60 or HM57
Dimensions:	7.5” W x 3.35” H x 1.625”D
Weight:	1.5 lbs.
1

																																																								SCHEMATIC
																															VDD					1									VCC			C25	27	.1											REMOTE2		Rev: A	1 of 1
																															VDD					14									VCC			C25	27	.1											REMOTE2		Rev: A	1 of 1
																																				2																					ROLLS CORPORATION		5143 South Main Street	Salt Lake City, UT 84107	Title ROLLSHEADPHONEMONITORSYSTEM
																																				15													22 24 25						21.1 23.1 26
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																																				16														.1 .1 .1													DOCUMENTNUMBER
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																																				21									VCCVCC							VDDVDD		C19 C21									Size: HM58.SCHRb	Date: 5-Oct1999-
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																																	VCC			12
																																				25			J2
																																				13			J2
																																							D1 LDSR
							LMAIN				P1A	P100KX2 RMAIN							P2A		P100KX2		LRET										VDD	1									R43	3.3K
																																		14
									3					1																				2
									3					1				3								1								15
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					6					4																								3
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					P1B P100KX2 5			22KR7			2	22KR8			R6R5	22K22K							P100KRET4X2R											18
																			5		P2B													6
																																		19
																																		7
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																																		20											MIDDLE							TREBLE
		P100K						P100K							P100K						P100K													8								BASS
	P6						P7						P8						P9															21
																																		9
				8					9							10							11											22
				8					9							10							11											10
																																		23			DB25female
			R10					R12 22K							R14 22K							R1622K												11
R9	22K				R1122K		22K						R1322K						R1522K															24
																																VCC		12							R23	10K			R36			4.7K				R39	2.2K
																																		25		J3
																																		13
																																		13									R25		1
																																											R25		1
						C2	10U																															C38	.047		1 P3A		2	C36 10K	.005		P4A		2		.022 1 P5A			2	.005
						C2	10U																															C38	.047		1 P3A			C36 10K	.005		P4A		C31		.022 1 P5A			C33	.005
							12																																		3				3			4.7K				3	2.2K
R3033K				R2933K			12					C3	10U					R33	100K			17																			R24	10K			R35			4.7K				R40	2.2K
	5 6			7		0													R3233K						R3133K				18																1																5
NE570	THD INV	DG R3		RIN U4A RC OUT		GND V+		C1			10U			3			1			12 11						10	VCC	13	C6	10U	C7	10U		R34	100K	16		C13	27PF			R2018K									4									6	U3B
NE570	THD INV	DG R3		RIN U4A RC OUT		GND V+		C1			10U			3						12 11						10	VCC	13	C6	10U	C7			R34	100K	16																							8	6	U3B
120PF	8 3		2 1			4	14		C4		10U			SW1A		2		DPDT	NE570		THD INV		DG R3		RIN RC OUT			GND V+		C5	10U		6	4										4560	2	U3A 3			35			VDD		C14	27PF	R2210K	VCC			4560			33
120PF	15		2 1			4	14		C4		10U			SW1A		2		DPDT	NE570		THD INV		DG R3		RIN RC OUT			GND V+		C5	10U		SW1B	4	DPDT									4560	2	U3A 3			35			VDD		C14	27PF	R2210K	VCC			4560	7		33
					2													C18	120PF	9		14		15 16				0					5							R26		10K	R2810K		R38		4.7K				R41		2.2K
					2		C16 13		P10A	P100KX2						4	P100KX2	P10B			20		6					1U19	C10				R17	22K							4	P3B	5		.005 4		P4B		5	.022		4	P5B	5	.005
																4							6

																																																						C34
								27PF				3			C15	27PF		5																				C37	.047		6			C35	6		4.7K C32					6	2.2K
								27PF				3			C15	27PF		5																				C37	.047	R27		10K		C35	R37		4.7K C32				R42		2.2K
					6		5									3		2
		VCC		8	4560		U1B								4560			U1A					4	VDD																					1
							U1B								4560			U1A						VDD														C11	27PF R19			18K			1															6	5	34
						30 7 Q3											1																											4560	U2A					4	VDD			C12	27PF	R21 10K	VCC	8			U2B
				R1				2N2907									MPSA06	R2			30					2N2907																						36										8		4560
				R1				2N2907		VDD			VCC		Q2		MPSA06	R2			30			Q4		2N2907																			2	3		36												4560
	VCC Q1		MPSA06							VDD			VCC													VDD																																		7
						R4	10	HDPHN/LOUT		J1				PHONE1/4			R3	10																																														6
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Contents HM58 Schematic Table of ContentsSpecifications IntroductionBlock Diagram Description Back Panel Expansion Ports Male and Female 25 pin parallel port jacksConnection Operation

HM58 specifications

The Rolls HM58 is a notable addition to the world of high-performance automotive engineering, renowned for its exceptional blend of luxury and power. This vehicle reflects Rolls-Royce's commitment to craftsmanship and innovation, embodying the essence of both elegance and advanced technology.

One of the standout features of the Rolls HM58 is its powerful engine. The vehicle is equipped with a robust V12 engine, providing smooth acceleration and an unmistakable roar that signifies its performance capabilities. The engine boasts an impressive power output, allowing the HM58 to transition from zero to sixty miles per hour in mere seconds, ensuring that drivers experience a thrilling ride.

In addition to its powerful performance, the HM58 is engineered with advanced aerodynamics in mind. Its sleek and sculpted body not only enhances its aesthetic appeal but also contributes to better fuel efficiency and handling stability, making it a well-rounded luxury sports car. The design of the HM58 is a nod to both modern and classic styling, featuring elegant curves and meticulous detailing that captures the brand’s heritage.

Inside, the HM58 offers an unparalleled level of luxury and comfort. The cabin is adorned with premium materials, including hand-stitched leather, fine wood veneers, and customizable color schemes, creating a serene and elegant atmosphere. Advanced soundproofing techniques further enhance the driving experience, allowing occupants to enjoy a peaceful ride even at high speeds.

Technologically, the Rolls HM58 is equipped with cutting-edge features to ensure both performance and safety. The vehicle includes an advanced infotainment system that provides seamless connectivity, allowing drivers to access navigation, music, and communication tools effortlessly. Additionally, the HM58 is integrated with an array of safety technologies, including adaptive cruise control, lane departure warning, and a comprehensive airbag system, ensuring maximum protection on the road.

The suspension system is another highlight of the HM58, designed for optimum comfort and handling. Its dynamic air suspension automatically adjusts to changing road conditions, providing a smooth ride that enhances both performance and passenger comfort.

In summary, the Rolls HM58 represents the pinnacle of luxury automotive engineering, combining a powerful performance engine with advanced technology and exceptional craftsmanship. Its elegant design, luxurious interior, and state-of-the-art features make it a dream car for enthusiasts and a testament to Rolls-Royce's legacy of excellence. The HM58 stands out as a symbol of prestige and sophistication, promising an unforgettable driving experience for those fortunate enough to be behind the wheel.