581

Nakamichi 581




						Service Manual
						User Manual	Supplement For User Manual
Release year	1979-1981		Average price	890$		Catalogue
Display			Head Configuration
Track Indicator			2 Head Design
Digital Peak-Reading Meters		√	3 Head Design		√
Mechanical Counter			Seperate Record and Playback Heads		√
Analog Needle Meters		√	4 Track / 2 Channel		√
Linear Tape Counter
			Tape
Connectivity			Chrome Tape Capability		√
Headphones		√	Normal Tape Capability		√
RCA Input/Output		√	Metal Tape Capability		√
Wired Remote Control		√	Auto Tape Type Selection
Amp out			Manual Tape Type Selection		√

Noise Reduction			Calibration
Dolby-B Noise Reduction		√	15kHz Test Tone		√
Dolby-C Noise Reduction			400Hz Test Tone		√
Dolby-S Noise Reduction			Auto Playback Azimuth Correction
DBX Noise Reduction			Manual Bias Calibration		√
Double Dolby NR Circuits			Manual Level Calibration		√
MPX Filter		√	Auto Bias Calibration
Subsonic Filter			Auto Level Calibration
Dolby HX Pro
			Indicators
Transport			Record Indicator		√
Pressure Pad Lifter		√	Illuminated Cassette Compartment		√
Dual-Capstan Transport		√	Chrome Tape
Auto Reverse			Metal Tape
Belt Drive (Capstan)		√	Normal Tape
Slack-Tape Takeup		√	Fader Down
2-Speed Cueing		√	Fader Up
Mechanical Tape Loading		√
			Speed
Auto Shutoff		√	4.76 cm/s		√
Double Direct Drive (Capstan)			9.52 cm/s
Idler Drive (Reel)		√
Multi Motor Mechanism		√
Belt Drive (Azimuth Adjustment)
Belt Drive (Mechanism)		√