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RQT7790
15
Specifications
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 page.
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.
AMPLIFIER SECTION
AK230
FTC output power
THD 10%, both channels driven
100 Hz – 10 kHz
69 W per channel (5 Ω)
Total FTC power 138 W
RMS output power
THD 10%, both channels driven
1 kHz 100 W per channel (5 Ω)
Total RMS power 200 W
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 kΩ
Phone jack
Terminal Stereo, 3.5 mm (
1
/
8
˝) jack
SPEAKER SECTION
AK230
Type 2 way, 2 speaker system (Bass reflex)
Speaker(s)
Woofer 16 cm (6
1
/
2
˝) cone type
Tweeter 6 cm (2
3
/
8
˝) cone type
Impedance 5 Ω
Input power (IEC) 100 W (Max)
Output sound pressure level
81 dB/W (1.0 m)
Cross over frequency 4 kHz
Frequency range 35 Hz–28 kHz (–16 dB)
50 Hz–26 kHz (–10 dB)
Dimensions (WxHxD) 220 x 330 x 201 mm
(8
21
/
32
˝ x 13˝ x 7
29
/
32
˝)
Mass 2.7 kg (6.0 lb.)
GENERAL
Power supply AC 120 V, 60 Hz
Power consumption
AK330
: 238 W
AK230
: 165 W
Dimensions (WxHxD) 250 x 330 x 341 mm
(9
27
/
32
˝ x 13˝ x 13
7
/
16
˝)
Mass
AK330
: 7.1 kg (15.7 lb.)
AK230
: 6.9 kg (15.2 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
AK330
: 0.38 W
AK230
: 0.34 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.
AK330
The labels “HIGH” and “LOW”
on the rear of the speakers refer to High
frequency and Low frequency.
AMPLIFIER SECTION
AK330
FTC output power
THD 10%, both channels driven
100 Hz–3 kHz
(Low channel) 64 W per channel (5 Ω)
3 kHz–10 kHz
(High channel) 60 W per channel (5 Ω)
Total Bi-Amp power 248 W
RMS output power
THD 10%, both channels driven
1 kHz
(Low channel) 90 W per channel (5 Ω)
10 kHz
(High channel) 90 W per channel (5 Ω)
Total Bi-Amp power 360 W
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.
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 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)
SPEAKER SECTION
AK330
Type
3 way, 3 speaker system (Bass reflex)
Speaker(s)
Woofer 16 cm (6
1
/
2
˝) cone type
Tweeter 6 cm (2
3
/
8
˝) cone type
Super tweeter Piezo type
Impedance
HIGH 5 Ω
LOW 5 Ω
Input power (IEC)
HIGH 90 W (Max)
LOW 90 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.)