Specifications . 2 - Akai AC-M2 Service Manual

I. SPECIFICATIONS
FM TUNER SECTION
TUNING FREQUENCY RANGE
87.6 to 108 MHz
USABLE SENSITIVITY (HF)
17.2 dBf
QUIETING SENSITIVITY (S/N=504dB) Mono/ST 23.2 dBf/43.2 dBf
SELECTIVITY (400 kHz) 60 dB
IMAGE REJECTION 55 dB
IF REJECTION 90 dB
SPURIOUS REJECTION 60 dB
AM SUPPRESSION 55 dB
S/N (Mono/ST) 70 dB/60 dB
T.H.D. (Mono/ST)
STEREO SEPARATION (1 kHz)
AM TUNER SECTION
0.3%/0.4%
42 dB
TUNING FREQUENCY RANGE 525 to 1,605 kHz
USABLE SENSITIVITY (IHF) 500 wV/m
SELECTIVITY 38 dB
IMAGE REJECTION 40 dB
IF REJECTION 50 dB
S/N
40 dB
T.H.D.
DECK SECTION
TRACK SYSTEM
TAPE SPEED
MOTOR
HEADS
WOW & FLUTTER
TAPE WINDING TIME
FREQUENCY RESPONSE
S/N
T.H.D.
POWER AMPLIFIER SECTION
1.5%
4 Track 2-Channel Stereo System
4.76 cm/s (1-7/8 ips)
Electronically Controlled DC Motor x 1
High Density Metallic
Rec/Play Head x 1
Erase Head x 1
0.07% (WRMS)
90 sec Using a C-60 Tape
NORMAL | 40 Hz to 13,000 Hz (+3 dB)
CrO, | 40 Hz to 14,000 Hz (+3 dB)
METAL | 40 Hz to 15,000 Hz (+3 dB)
54 dB
Dolby NR ON: Improves up to 10 dB above 5 kHz
1% (Metal tape)
RATED POWER OUTPUT (2 channels Driven)
S/N
RESIDUAL NOISE (8 ohms)
2 x 18W/0.5% (1 kHz, 8 ohms)
PHONO
AUX
68 dB
90 dB
0.5 mV
CHANNEL SEPARATION (IHF, 1 kHz)
45 dB
APPLICABLE SPEAKER IMPEDANCE 4 to 16 ohms
PRE-AMPLIFIER SECTION
IMPUT SENSITIVITY/IMPEDANCE PHONO | 3 mV/47 kohms
AUX | 300 mV/47 kohms
MIC | 1.6 mV/4 kohms
FREQUENCY RESPONSE PHONO (RIAA Deviation) | 30 Hz to 15 kHz +0.5 dB
AUX | 15 Hz to 50 kHz +0, —3 dB
TONE BOOST BASS | +8 dB (100 Hz)
TREBLE | +8 dB (10 kHz)
POWER REQUIREMENT
120V, 60 Hz for USA & Canada
POWER CONSUMPTION
220V, 50 Hz for Europe except UK
240V, 50 Hz for UK & Australia
110—120V/220—240V, 50 Hz/60 Hz switchable for other countries.
150W
DIMENSIONS |
350(W) x 127(H) x 365(D) mm (13.8 x 5 x 14.4 inches)
WEIGHT
6.3 kg (13.9 lbs)
SERVICE MANUAL AC-M2