background image

BREAK-IN

The SCS4’s, like most speakers, require a period of playing before they perform optimally. The time depends on how

loudly the speakers are played; more time is required if played softly, less if played loudly. At least 50 hours at

moderately loud levels are required before the speaker is performing near optimum. You should notice even more

improvement after 100 hours of playing.

ASSOCIATED EQUIPMENT

The SCS4 is a very high quality sound reproducer and will benefit from use with the best associated equipment. Since it

is extremely accurate, it will reveal sources of distortion generated elsewhere in the system. For example, distortion

resulting from poor recordings or inferior electronics will be reproduced accurately. Also, the quality of the interconnect

cables and speaker cables will significantly effect the performance of the system.

POWER REQUIREMENTS

It is important to have enough power to play at the level you desire without distortion. If you play the speakers more

loudly than the volume the amplifier can cleanly produce, the amplifier will produce overload (clipping) distortion. The

sound will become compressed, strained, and in extreme cases, obviously distorted. This distortion is actually non-

musical additional energy and since it is concentrated in the high frequency region where the speaker is least able to

handle it, tweeters can be damaged in extreme cases. If high sound levels are desired, the SCS4’s are designed to be

used with amplifiers rated up to 200 watts per channel.

   Keep in mind that sound quality is usually more important than sound quantity. There can be large differences in the

sonic performance of two amplifiers of equal power, and this is more important than large differences in power. Most

everyone will be happier with a 100 watt amplifier of high sonic quality than a 200 watt amplifier of mediocre sonic

quality. For this reason, we feel there is no substitute for listening in making your amplifier decision.

The question “how much power do I need?” does not have the simple answer most people expect because it is not

determined only by the loudspeaker’s efficiency, but also by the volume desired and the size of the room. If all three

factors are average, about 100 watts per channel is required. Each factor can raise or lower this amount by about three

times.

  1) Usually, people who “don’t like music loud” can decrease their power to about one-half. Also, people who like

music loud should increase their power by 2 times or more. Most people fall within a normal range.

   2) A speaker with a low efficiency of 84dB/2.8 V-1-m will require twice the power of an average 87dB/2.8 V-1-m

speaker and one with a high rating of 90dB/2.8 V-1-m will require only half the power of an average speaker. The SCS4

is of average efficiency (88dB) and therefore can achieve average output levels with an average amount of power.

   3) A small room will need less power for a given loudness level than a large room. A very small room of 1000 cu ft

(11' x 11' with an 8' ceiling) will require about half the power of an average size room. A large room of 6000 cu ft (20' x

30' with a 10' ceiling) will require twice the average power. If the listening room is connected to another room by a large

open area, the required power will increase, but not by the amount of the combined room volume. If the room has a

“dropped” ceiling with light panels, the ceiling will be almost transparent acoustically and the space above the ceiling

should be added. If the panels are heavy they will act as a more normal ceiling.

   With all this in mind, a person who doesn’t like to play music very loudly and has a small room can get quality sound

with the SCS4 with 30 watts or even less whereas a person who sometimes likes to play loudly and has a large room

may need 200 watts or more.

Содержание SCS4

Страница 1: ...OWNER INFORMATION THIEL SCS4 Coherent Source loudspeaker system Ultimate Performance Loudspeakers ...

Страница 2: ... different no hard rules can be given and experimentation is necessary to achieve the best results CONNECTING THE SPEAKERS The SCS4 s input terminals are located on the rear of the speaker The SCS4 uses a 5 way binding post which accepts several types of speaker cable termination Make sure that all connections are tight The input terminals are designed to be easily tightened by hand or a 1 2 inch ...

Страница 3: ...ier of high sonic quality than a 200 watt amplifier of mediocre sonic quality For this reason we feel there is no substitute for listening in making your amplifier decision The question how much power do I need does not have the simple answer most people expect because it is not determined only by the loudspeaker s efficiency but also by the volume desired and the size of the room If all three fac...

Страница 4: ...se Depending on room size and amplifier power some home audio systems can reach sound pressure levels in excess of 95 decibels with peaks of over a 105 decibels For your protection the list below identifies sound levels for various noises Information courtesy of the Deafness Research Foundation and the EIA CABINET FINISH CARE THIEL Loudspeakers wood cabinets possess a high quality lacquer finish t...

Страница 5: ...Amplitude Response 47 Hz 20 kHz 3 dB Phase Response Minimum 10 Sensitivity 88 dB 2 8 V 1m Impedance 4 ohms 3 ohms minimum Recommended Power 30 200 watts Size 8 4 W x 10 8 D x 17 6 L Weight 25 pounds THIEL SCS4 CABINET DIMENSIONS ...

Страница 6: ...at no charge replace any defective part and make any repairs necessary to ensure its proper performance when the defective unit is returned to us postpaid This warranty does not cover damage due to accident or abuse and is void if the unit has been tampered with This warranty is automatic and no registration is required This warranty gives you specific legal rights You may also have other rights w...

Отзывы: