SPECIFICATIONS

Main unit CX-NA31

 

FM tuner section

 

Tuning range

87.5 MHz to 108 MHz

Usable sensitivity (IHF)

13.2 dBf

Antenna terminale

75 ohms (unbalanced)

AM tuner section

Tuning range

 

530 kHz to 1710 kHz (10 kHz

 

 

 

 

step)

 

 

 

 

 

 

 

 

 

 

 

531 kHz to 1602 kHz (9 kHz step)

Usable sensitivity

350 pV/m

 

 

 

 

 

 

Antenna

 

 

Loop

antenna

 

 

 

 

 

Amplifier

section

 

 

 

 

 

 

 

 

Power

output

 

40 W + 40 W (50 Hz – 20 kHz,

 

 

 

 

THD less than 1%, 6 ohms)

 

Total

harmonic

distortion

0.05 !/o (20 W, 1 kHz, 6 ohms,

DIN

 

 

 

 

AUDIO)

 

 

 

 

 

 

Inputs

 

 

 

VI DEO/AUX:

150 mV (adjustable)

 

 

 

 

MIC 1, MiC 2: lmV (10 kohms)

outputs

 

 

SUPER WOOFER:

 

1.3 V

 

 

 

 

 

SPEAKERS:

accept

speakers

of

 

 

 

 

6 ohms or more

 

 

 

 

 

 

 

 

SURROUND

SPEAKERS:

 

 

 

 

 

accept speakers of 16 ohms or

 

 

 

 

more

 

 

 

 

 

 

 

 

 

 

 

PHONES

(stereo

jack):

accepts

 

 

 

 

headphones of 32 ohms or more

Cassette deck section

 

 

 

 

 

 

 

 

Track

format

 

4 tracks,

2 channels

stereo

 

Frequency

response

50 Hz – 15000 Hz

 

 

 

 

Recording

system

AC bias

 

 

 

 

 

 

Heads

 

 

 

Deck

1: Playback

head

x 1

 

 

 

 

 

Deck

2: Recording/play

bacld

 

 

 

 

 

erase

head x 1‘

 

 

 

 

Compact disc player section

 

 

 

 

 

 

 

Laser

 

 

 

Semiconductor

laser

(h= 780 nm)

D-A converter

 

1 bit dual

 

 

 

 

 

 

Signal-to-noise

ratio

85 dB

(1 kHz,

O dB)

 

 

 

Harmonic

distortion

0.057.

(1 kHzj O dB)

 

 

Wow and

flutter

 

Unmeasurable

 

 

 

 

 

General

 

 

 

 

 

 

 

 

 

 

Power

requirements

120 VAC,

60

HZ

 

 

 

 

Power

consumption

11OW

 

 

 

 

 

 

 

Dimensions

of

main unit

260 x 309 x 346 mm

 

 

(W XH.X D)

 

(10’/4

X 12’/4

x 13’/8

in.)

-

 

Weight

of

main

unit

6.5 kg (14 Ibs 5 OZ.)

 

 

Speaker svstem SX-FNA51 (for NSX-A31 )

Cabinet

type

 

 

3 way, bass reflex with surround

 

 

 

 

speaker

(magnetic

shielded

type)

Speakers

 

 

Woofer:

 

 

 

 

 

 

 

 

 

 

 

 

160 mm (63/8 in.) cone type

 

 

 

 

 

Tweeter:

 

 

 

 

 

 

 

 

 

 

 

80 mm (31/4 in.) cone type

 

 

 

 

 

Super tweeter:

 

 

 

 

 

 

 

 

 

20 mm (13/16

h.)

 

ceramic

type

 

 

 

 

Surround

speaker:

 

 

 

 

 

 

 

80 mm (31/4 in.) cone type

 

Impedance

 

 

Front speaker:

6 ohms

 

 

 

 

 

 

Surround

speaker:

16 ohms

 

Output

sound

pressure

level

87 dBANlm

 

 

 

 

 

 

Dimensions

(W x H x D)

 

250 x 304 x 288 mm

 

 

 

 

 

 

(97/8 x

12X

113/8

in.)

 

 

Weight

 

 

 

3.6 kg (7 Ibs 15 OZ.)

 

 

 

SDeaker svstem SX-NA34 (for NSX-A34)

 

 

 

 

 

 

Cabinet

type

 

 

3 way,

bass

reflex

(magnetic

 

 

 

 

shielded

type)

 

 

 

 

 

Speakers

 

 

Woofer:

 

 

 

 

 

 

 

 

 

 

 

 

140 mm (55/8 in.) cone type

 

 

 

 

 

Tweeter:

 

 

 

 

 

 

 

 

 

 

 

60 mm (2 in.) cone type

 

 

 

 

 

Super tweeter:

 

 

 

 

 

 

 

 

 

20 mm (’3/16 in.) UWN?7k type

Impedance

 

 

6 ohms

 

 

 

 

 

 

 

 

Output

sound

pressure

level

87 dBIWlm

 

 

 

 

 

 

Dimensions (W x H x D)

 

240 x 304 x 250 mm

 

 

 

 

 

 

(91/2 x12x

 

97/s in.)

 

 

Weight

 

 

 

2.8 kg (6 Ibs 3 OZ.)

 

 

 

Surround s~eaker SX-R21 O (for NSX-A34)

 

 

 

 

 

Cabinet type

 

 

Full-range

bass

reflex

 

 

Speaker

 

 

 

100 mm

(4

in.)

full-range

cone

 

 

 

 

type

 

 

 

 

 

 

 

 

Impedance:

 

 

16 ohms

 

 

 

 

 

 

 

Output

sound

pressure

level

87 dB/W/m

 

 

 

 

 

 

Dimensions

(W x H x D)

 

185x130x’

146mm

 

 

 

 

 

 

 

(7’3/8 x

5’/8

X

53/4

h.)

 

 

Weight

 

 

 

0.8 kg (1 lb 12 OZ.)

 

 

 

Accessories

 

 

Wall mounting

screws

(2)

 

Specifications and external appearance are subject to change without notice.

COPYRIGHT

Please check the laws on copyright relating to recordings from discs, radio or external tape for the country in which the machine is being used.

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Aiwa CX-NA31 manual AM tuner section, Cassette deck section, Compact disc player section, General

CX-NA31 specifications

The Aiwa CX-NA31 is a versatile and compact audio system that exemplifies the brand’s commitment to delivering high-quality sound and user-friendly features. Designed for music lovers who appreciate both style and functionality, this model incorporates a variety of technologies that enhance the listening experience.

One of the standout features of the Aiwa CX-NA31 is its dual cassette deck, which allows for convenient playback and recording to and from cassettes, a nostalgic touch that appeals to enthusiasts of the format. In addition, the system includes a CD player that supports various disc formats, providing flexibility for users with different media preferences. The inclusion of a built-in FM/AM radio tuner with preset station memory allows users to easily access their favorite stations without the hassle of manual tuning.

The Aiwa CX-NA31 is powered by a robust amplifier that delivers clear, dynamic sound across a wide frequency range. Its power output ensures that the system can fill a room with immersive audio, making it suitable for both casual listening and more energetic gatherings. The speakers are designed to complement the amplifier's output, featuring a balanced sound profile that enhances both highs and lows for a well-rounded listening experience.

The system is equipped with modern connectivity options, including auxiliary inputs and headphone jacks, allowing for easy integration with other devices such as smartphones, tablets, and computers. This versatility makes the CX-NA31 not just an audio system but a centerpiece for entertainment.

Additionally, the compact nature of the Aiwa CX-NA31 means it can fit seamlessly into various spaces, from home offices to small living rooms. Its sleek design and user-friendly interface ensure that even those who are not tech-savvy can enjoy its capabilities without difficulty.

Overall, the Aiwa CX-NA31 brings together nostalgic cassette playback, modern digital connectivity, and robust audio performance, making it a worthy choice for anyone looking to enjoy a rich and versatile audio experience. Whether hosting a gathering or enjoying a quiet evening at home, this system promises to deliver quality sound and an enjoyable user experience.