Specifications, Maintenance, Product service – Panasonic RQT7834-3P User Manual

Page 15

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RQT7834

15

Specifications

FM/AM TUNER, TERMINALS
SECTION

Preset station

FM 15 stations

AM 15 stations

Frequency Modulation (FM)

Frequency range

87.9–107.9 MHz (200 kHz steps)

87.5–108.0 MHz (100 kHz steps)

Sensitivity

2.5 ØV (IHF)

S/N 26 dB

2.2 ØV

Antenna terminal(s)

75

Ω (unbalanced)

Amplitude Modulation (AM)

Frequency range

520–1710 kHz (10 kHz steps)

Sensitivity

S/N 20 dB (at 1000 kHz)

560 ØV/m

Audio performance (Amplifier)

Input sensitivity/Input impedance

Aux

250 mV, 14.7 k

Phone jack

Terminal

Stereo, 3.5 mm (

1

/

8

˝) jack

CASSETTE DECK SECTION

Track system

4 track, 2 channel

Heads

Record/playback

Solid permalloy head

Erasure

Double gap ferrite head

Motor

DC servo motor

Recording system

AC bias 100 kHz

Erasing system

AC erase 100 kHz

Tape speed

4.8 cm/s (1

7

/

8

ips)

Overall frequency response
(+3 dB, –6 dB at DECK OUT)

NORMAL

35 Hz–14 kHz

S/N ratio

50 dB (A weighted)

Wow and flutter

0.18% (WRMS)

Fast forward and rewind time

Approx. 120 seconds with

C-60 cassette tape

DISC SECTION

Discs played [8 cm (3˝) or 12 cm (5˝)]

(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3 formatted

disc)

(3) MP3

Bit rate

MP3

32 kbps–320 kbps

Sampling frequency

MP3

32 kHz, 44.1 kHz, 48 kHz

CD

44.1 kHz

Decoding

16 bit linear

Digital filter

8 fs

D/A converter

MASH (1 bit DAC)

Pickup

Wavelength

780 nm

Beam Source

Semiconductor laser

Audio output (Disc)

Number of channels

2 (Stereo) (FL, FR)

AMPLIFIER SECTION

RMS output power

THD 10%, both channels driven

1 kHz

(Low channel)

75 W per channel (5

Ω)

10 kHz

(High channel) 70 W per channel (5

Ω)

80 Hz

(Subwoofer channel)

160 W (8

Ω)

Total power output

450 W

FTC output power

THD 10%, both channels driven

100 Hz–3 kHz

(Low channel)

59 W per channel (5

Ω)

3 kHz–10 kHz

(High channel) 57 W per channel (5

Ω)

50 Hz–100 Hz

(Subwoofer channel)

130 W (8

Ω)

Total FTC power

362 W

SPEAKER SECTION

Front speakers SB-AK630

Type

3 way, 3 speaker system (Bass reflex)

Impedance

HIGH

5

LOW

5

Speaker(s)

Woofer

16 cm (6

1

/

2

˝) cone type

Tweeter

6 cm (2

3

/

8

˝) cone type

Super tweeter

Piezo type

Input power (IEC)

HIGH

70 W (Max)

LOW

75 W (Max)

Output sound pressure level

83 dB/W (1.0 m)

Cross over frequency

2.6 kHz, 10 kHz

Frequency range

37 Hz–23 kHz (–16 dB)
44 Hz–22 kHz (–10 dB)

Dimensions (WxHxD) 240 x 330 x 230 mm

(9

7

/

16

˝ x 13˝ x 9

1

/

16

˝)

Mass

3.2 kg (7.1 lb.)

1. Damage requiring service —The unit should be serviced by

qualified service personnel if:
(a)The AC power supply cord or AC adaptor has been damaged;

or

(b)Objects or liquids have gotten into the unit; or
(c)The unit has been exposed to rain; or
(d)The unit does not operate normally or exhibits a marked change

in performance; or

(e)The unit has been dropped or the cabinet damaged.

2. Servicing —Do not attempt to service the unit beyond that

described in these operating instructions. Refer all other servicing
to authorized servicing personnel.

3. Replacement parts —When parts need replacing ensure the

servicer uses parts specified by the manufacturer or parts that
have the same characteristics as the original parts. Unauthorized
substitutes may result in fire, electric shock, or other hazards.

Product Service

Product information

For product information or assistance with product operation:

In the U.S.A., refer to “Customer Services Directory” on the
back cover.

In Canada, contact the Panasonic Canada Inc. Customer Care
Centre at 905-624-5505, or visit the website (www.panasonic.ca),
or an authorized Servicentre closest to you.

If the surfaces are dirty

To clean this unit, wipe with a soft, dry cloth.

Never use alcohol, paint thinner or benzine to clean this unit.

Before using a chemically treated cloth, read the instructions that
came with the cloth carefully.

Maintenance

For a cleaner, crisper sound

Clean the heads regularly to assure good quality playback and
recording.
Use a cleaning tape (not included).

4. Safety check —After repairs or service, ask the servicer to

perform safety checks to confirm that the unit is in proper working
condition.

Subwoofer SB-WAK630

Type

1 way, 1 speaker

system (Bass reflex)

Impedance

8

Speaker(s)

Subwoofer

16 cm (6

1

/

2

˝) cone type

Input power (IEC)

160 W (Max)

Output sound pressure level

80 dB/W (1.0 m)

Frequency range

40 Hz–220 Hz (–16 dB)
45 Hz–180 Hz (–10 dB)

Dimensions (WxHxD) 240 x 330 x 267 mm

(9

7

/

16

˝ x 13˝ x 10

1

/

2

˝)

Mass

3.4 kg (7.5 lb.)

GENERAL

Power supply

AC 120 V, 60 Hz

Power consumption

255 W

Dimensions (WxHxD) 250 x 330 x 341 mm

(9

27

/

32

˝ x 13˝ x 13

7

/

16

˝)

Mass

7.1 kg (15.7 lb.)

Operating temperature range

+5 to +35

°C (+41 to +95

°F)

Operating humidity range

5 to 90

% RH (no condensation)

Power consumption in standby mode: 0.38 W

Note:
1. Specifications are subject to change

without notice.
Mass and dimensions are approximate.

2. Total harmonic distortion is measured by

the digital spectrum analyzer.

3. The labels “HIGH” and “LOW” on the rear

of the speakers refer to High frequency
and Low frequency.

AMPLIFIER SECTION

RMS output power

THD 10%, both channels driven

1 kHz

(Low channel)

70 W per channel (5

Ω)

10 kHz

(High channel) 65 W per channel (5

Ω)

80 Hz

(Subwoofer channel)

160 W (8

Ω)

Total power output

430 W

FTC output power

THD 10%, both channels driven

100 Hz–3 kHz

(Low channel)

55 W per channel (5

Ω)

3 kHz–10 kHz

(High channel) 53 W per channel (5

Ω)

50 Hz–100 Hz

(Subwoofer channel)

130 W (8

Ω)

Total FTC power

346 W

AK630

AK633

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