Sherwood RD-7108 User Manual (English)

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Introduction

Congratulations on Your Purchase!

Your new high fidelity receiver is designed to deliver

maximum enjoyment and years of trouble free service.

Please take a few moments to read this manual

thoroughly. It will explain the features and operation of

your unit and help ensure a trouble free installation.

Please unpack your unit carefully. We recommend that

you save the carton and packing material. They will be

helpful if you ever need to move your unit and may be

required if you ever need to return it for service. Your unit

is designed to be placed in a horizontal position and it is

important to allow at least two inches of space behind

your unit for adequate ventilation and cabling

convenience.

To avoid damage, never place the unit near radiators, in

front of heating vents, in direct sunlight, or in excessively

humid or dusty locations. Connect your complementary

components as illustrated in the following section.

CAUTION : TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT

REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS

INSIDE. REFER SERVICING TO

QUALIFIED SERVICE PERSONNEL.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

This symbol is intended to alert the user to the

presence of uninsulated "dangerous voltage"

within the product's enclosure that may be of

sufficient magnitude to constitute a risk of

electric shock to persons.

This symbol is intended to alert the user to the

presence of important operating and

maintenance (servicing) instructions in the

literature accompanying the appliance.

To reduce the risk of fire or electric shock, do not expose

this appliance to rain or moisture.

Caution : Do not block ventilation openings or stack

other equipment on the top.

FOR U.S.A

Note to CATV System Installer: This reminder is

provided to call the CATV system installer's attention

to Article 820-40 of the NEC that provides guidelines

for proper grounding and, in particular, specifies that

the cable ground shall be connected to the

grounding system of the building, as close to the

point of cable entry as practical.

FCC INFORMATION

This equipment has been tested and found to

comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits

are designed to provide reasonable protection

against harmful interference in a residential

installation. This equipment generates, uses and can

radiate radio frequency energy and, if not installed

and used in accordance with the instructions, may

cause harmful interference to radio communications.

However, there is no guarantee that interference will

not occur in a particular installation. If this equipment

does cause harmful interference to radio or

television reception, which can be determined by

turning the equipment off and on, the user is

encouraged to try to correct the interference by one

or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment

and receiver.

Connect the equipment into an outlet on a circuit

different from that to which the receiver is

connected.

Consult the dealer or an experienced radio/TV

technician for help.

CAUTION: Any changes or modifications in

construction of this device which are not expressly

approved by the party responsible for compliance

could void the user's authority to operate the

equipment.

WARNING

ENGLISH

UNPACKING AND

Caution regarding placement

(Except for U.S.A and Canada)

To maintain proper ventilation, be sure

to leave a space around the unit (from

the largest outer dimensions including projections)

equal to, or greater than, shown below.

Left and right panels: 5 cm

Rear panel: 5 cm

Top panel: 20 cm

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Sherwood RD-7108 Specifications

Amplifier Section

power output, stereo mode	100 W
total harmonic distortion	0.09%
intermodulation distortion	0.1%
input sensitivity	47 kΩ
signal to noise ratio	90 dB
frequency response	+0 dB, -3 dB
output level	200 mV
bass/treble control	10 dB
front power output	110 W+110 W
center power output	110 W
surround power output	110 W+110 W
surround back power output	110 W

Digital Audio Section

sampling frequency	32, 44.1, 48, 96 kHz
digital input level (coaxial)	0.5 Vp-p
digital input level (optical)	-15~-21 dBm

FM Tuner Section

tuning frequency range	87.5~108 MHz
usable sensitivity	12.8 dBf
50 dB quieting sensitivity	20.2/45.3 dBf
signal to noise ratio	70/65 dB
total harmonic distortion	0.5/0.8 %
frequency response	3 dB
stereo separation	32 dB
capture ratio	4 dB
IF rejection ratio	60 dB