Clarion ME-8000A
¥ 32,000 (around 1977)
Commentary
Dolby noise reduction unit.
By connecting to a deck without Dolby, you can record and play back with Dolby NR.
Two independent circuits for recording and playback are built in, enabling simultaneous Dolby recording and playback.
For level adjustment, recording / playback / CAL Tone can be switched with one touch.
Built-in 400 Hz reference signal oscillator.
In addition, calibration tape necessary for adjustment is included.
An IC is used for the circuit.
Model Rating
| Type | Dolby noise reduction unit |
| Method | Two encoder, two decoder stereo system |
| Frequency characteristic | Encoder : 20 Hz ~ 17 kHz (FM MPX Filter / Dolby Rec SW : off) Decoder : 20 Hz to 17 kHz (with FM MPX Filter / Dolby Play SW : off) |
| Distortion factor | Not more than 0.2% |
| Signal-to-noise ratio | 60 dB (Dolby Rec/Play SW : off) |
| Tape hissing improvement ratio | 8.5 dB or more (when connected to a tape deck, for recording and playback) |
| Input | Rec in : 80mV/100k Ω (Rec level : max) Playback in : 80mV/100k Ω |
| Output | Rec out : 580mV/5k Ω (Rec cal : max) Playback out : 400mV/3k Ω |
| Semiconductor used | IC : 4 Transistor : 11 Diode : 12 pcs |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 7W (Electrical Appliance and Material Control Law) |
| External dimensions | Width 200x Height 90x Depth 243 mm |
| Weight | 2kg |