Marantz Model 2140 Tuner
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Front View
Image Attribution: Marantz Brochure
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Dutch brochure for dealers and distributors
Image Attribution: Hans Akker
Date: January 26th, 2001
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DLB-1 ad mentions 2140 model
Image Attribution: Marantz Customer Order Form
Date: January 8th, 2001
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Rack Handle ad mentions 2140 model
Image Attribution: Marantz Customer Order Form
Date: December 14th, 2000
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Additional Information
The five or six buttons at the left, from left to right, are:
- Mono
- Muting
- Multipath
- Mpx Noise Filter
- Rec Level 400 Hz
- FM 25 uS (This is missing on export models)
The button at the right is the power button.
The buttons and LEDs in the center, left to right, are:
The left indicator in the dial is the stereo indicator, the right one is the Dolby FM indicator. The legend above the Tuning knob says "Gyro Touch Tuning".
Contributed by Ben
On January 26th, 2001
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| General |
| Rarity | XXX-Rare (may not have been produced) |
| Retail Price | 390 |
| Designed in | USA |
| Manufactured In | Japan |
| First Year | 1977 |
| Years Manufactured | 1977, possibly (it is in the brochure) |
| Last Year | 1977 |
| Quantity Manufactured | ? |
| Matching Preamplifiers | 3250,3250b,3650 |
| Matching Amplifiers | 170dc,300dc |
| Matching Integrated Amplifiers | 1260dc,1180dc,1152dc,1122dc,(1090… not extruded) |
| Rack Mount | Optional |
| Silver Face | Yes, extruded |
| Channels | Two |
| AC Switch | Yes |
| Fusing | Rear deck, buss |
| Special Option 1 | DLB1 Dolby FM Decoder (US Models only) |
| Special Option 2 | RHA1 Rack Adaptor |
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| Physical |
| Width | 16 3/8 |
| Height | 5 3/4 |
| Depth | 11 11/16 |
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| FM Tuner |
| Gyro Tuning | Yes |
| 400 Hz Alignment Tone | Yes |
| RF Sensitivity | 1.5 uV |
| 300 Ohm Binding Posts | Yes |
| 75 Ohm Binding Posts | Yes |
| 75 Ohm F Connector | Yes |
| 50 dB quieting sensitivity, Stereo | 25 uV |
| THD, Mono | 0.07% |
| THD, Stereo | 0.10% |
| Signal to Noise Ratio, Mono | 83 db |
| Signal to Noise Ratio, Stereo | 75 db |
| IF Bandwidth(s) | Wide, Narrow |
| Narrow Capture Ratio | .8 dB |
| Alternate Channel Selectivity (wide or normal) | 050 dB |
| Alternate Channel Selectivity (Narrow) | 90 dB |
| Stereo Separation at 1 kHz | 50 dB |
| FM Stereo Separation at 1 KHz (narrow) | 42 dB |
| Mono Switch | Yes |
| Signal Strength Meter | Yes |
| Center Tuning Meter | Yes |
| Multiplex Filter (Hi-Blend) | Yes |
| Stereo Lamp | Yes |
| Dolby Lamp | Yes (US Model only) |
| FM Mode Lamp | Yes (LED) |
| Multipath Metering | Yes |
| Muting Switch | Yes |
| 25 uS Deemphasis Switch (Dolby Associated) | Yes (US Model only) |
| Dolby Fm Decoding Option | Yes (US Model only) |
| Quadradial Output (FM Discriminator output, unequalized) | Yes |
| Illuminated Dial Pointer | Yes |
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| AM Tuner |
| AM Mode Lamp | Yes (LED) |
| External Ferrite Antenna | Yes |
| Antenna binding Posts | Yes |
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