Sony CFD-C646, CFD-656, CFD-646 operating instructions Other Specifications

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Specifications

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

With 3.2-ohm loads, both channel driven from 150 – 8,000 Hz; rated 4 W per channel- minimum RMS power, with no more than 10 % total harmonic distortion in AC operation.

Other Specifications

CD player section

System

Compact disc digital audio system Laser diode properties

Material: GaAlAs

Wave length: 780 nm

Emission duration: Continuous

Laser output: Less than 44.6 µW

(This output is the value measured at a distance of about 200 mm from the objective lens surface on the optical pick-up block with 7 mm aperture.)

Spindle speed

200 r/min (rpm) to 500 r/min (rpm) (CLV) Number of channels

2 Frequency response

20 – 20,000 Hz +1/–2 dB Wow and flutter

Below measurable limit

Radio section

Frequency range

FM: 87.6 – 108 MHz

AM: 531 – 1,602 kHz (Australian model) 530 – 1,710 kHz (Other models)

Aerials

FM: Telescopic aerial

AM: External aerial terminal

Cassette-corder section

Recording system

4-track 2 channel stereo Fast winding time

Approx. 140 s (sec.) with Sony cassette C-60 Frequency response

TYPE I (normal): 80 – 10,000 Hz

30Additional Information

General

Speaker

Full range: 10 cm (4 in.) dia.,

3.2ohms, cone type (2) Surround speaker (CFD-656 only)

10 cm (4 in.) dia., 8 ohms, cone type (2) Outputs

Headphones jack (stereo minijack):

For 16 – 64 ohms impedance headphones Speaker terminals: For supplied 3.2 homs impedance speaker

Surround speaker terminals (CFD-656 only): Terminals for supplied 8 ohms impedance speaker

Power output (excluding US model)

4.3W + 4.3 W (at 3.2 ohm, 10 % harmonic distortion)

Power requirements

For CD radio cassette-corder:

230-240 V AC, 50 Hz (Australian model)

120 V AC, 60 Hz (Other models) For remote:

3 V DC, 2 size AA (R6) batteries Power consumption

AC 27 W

Dimensions

Approx. 646 × 286.5 × 355 mm (w/h/d)

(25 1⁄2× 11 3⁄8 × 14 inches) (incl. projecting parts) Mass

Approx. 10.5 kg (23 lb. 2 oz) Supplied accessories

Remote control (1) AM loop aerial (1)

Surround speakers (2) (CFD-656 only)

Design and specifications are subject to change without notice.

Optional accessories

Sony MDR headphone series

CFD-646/656.E.3-856-825-1X.U/CA

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Contents CD Radio Cassette-Corder About This Manual InformationOwners Record For customers in the United StatesTable of contents Playing a CD Basic OperationsDisplay Track Playing Number Number time TipsPress Listening to the radio Indicates an FM stereo broadcastTo improve broadcast reception Basic OperationsUse these buttons for additional operations For FMPlaying a tape Power Volume + BasicDisplay Recording on a tapeWith the side you want to Record on facing forward Deck aBasic OperationsDeck B Using the display Checking the remaining time of the currentCD Player Locating a specific track Disc 1 Number ButtonsTo locate Press Playing a single CD repeatedly Playing tracks repeatedlyRepeat Play Playing two or three CDs repeatedlyTo cancel repeat play Playing programmed tracks repeatedlyShuffle Play To cancel shuffle playPlaying tracks in random order Playing tracks of a single CD in random orderCreating your own program Program PlayCD number Track number Playing order To check the order of tracks before play To cancel Program PlayCreating your own program Program Play To change the current programPresetting radio stations RadioNumber buttons Tune + Tip Playing preset radio stations Setting Up Hooking upHooking up the speakers Hooking up the system Connecting surround speakers CFD-656 onlySetting up the AM loop aerial Hooking up the aerialReplacing batteries Connecting the AC power cordInserting batteries into the remote Setting Up Insert two size AA R6 batteries not suppliedSound Mode/MEGA Bass Adjusting the audio emphasisSelecting the sound characteristic Reinforcing the bass soundOn power sources PrecautionsOn safety On placementPrecautions On operationSide a Tab for side a Tab for side B Troubleshooting SymptomRemedyGeneral CD Player Radio Tape TroubleshootingSymptom Remedy PlayerCleaning the cabinet MaintenanceCleaning the tape heads and tape path Demagnetizing the tape headsSpecifications Other SpecificationsIndex F, G, HW, X, Y, Z CFD-646/656.E.3-856-825-1X.U/CA

CFD-C646, CFD-646, CFD-656 specifications

The Sony CFD-656, CFD-646, and CFD-C646 are part of Sony's well-regarded range of portable CD and cassette players that gained popularity in the late 1990s and early 2000s. These boomboxes are celebrated for their blend of functionality, sound quality, and user-friendly features, appealing to music enthusiasts who appreciate both modern and classic media formats.

One of the standout characteristics of the CFD-656, CFD-646, and CFD-C646 is their robust audio performance. These models are equipped with powerful stereo speakers, delivering an impressive sound that ensures an immersive listening experience. The audio output includes clear highs and deep lows, making them suitable for various music genres, from crisp pop tunes to rich classical compositions.

In terms of functionality, these models support multiple formats, including CD, cassette tape, and radio, providing versatility for users who enjoy a range of listening options. The CD player in these boomboxes comes with features such as programmable play and shuffle, allowing users to customize their music experience. Additionally, the inclusion of a cassette deck appeals to nostalgic listeners who may still have a collection of their favorite tapes.

The CFD-656 and CFD-646 models come equipped with a digital tuner, enabling users to easily scan and store FM/AM radio stations for convenient access to their favorite broadcasts. The clear and intuitive display helps in navigating through different functions, ensuring ease of use for any listener.

Portability is another essential feature of these models. With a sturdy build and a handle for easy transport, users can take their music on the go, whether it's at a picnic, beach, or backyard gathering. Furthermore, the battery option allows for wireless use, making it an ideal choice for outdoor activities.

In conclusion, the Sony CFD-656, CFD-646, and CFD-C646 stand out as excellent choices for those seeking a reliable and flexible audio solution. With their combination of powerful sound, multi-format capability, and portability, these boomboxes resonate with a wide audience, ensuring that they remain cherished pieces of technology even in a digital age. Whether for personal enjoyment or social events, these models deliver an unmatched and nostalgic music experience.
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