Denon DRA-685 Service Manual
Specifications and Main Features
Audio Section (Power Amplifier):
- Rated output: 100W + 100W (8Ω, 20Hz ~ 20kHz with 0.05% TH.D), Rated Output Max is around DC180W!
- Output terminals: A or B 4 to 16Ω , A and B 8 to 16Ω
- Answering Sensitivity/Answering Impedance:200mV/47kΩ (LINE input – PRE OUT)
- Frequency response: 10Hz ~ 50kHz: +1.5dB
- Signal-to-noise ratio (or S/N ratio): 100 dB (IHF-A weighted)
- Total harmonic distortion: 0.009% (-3dB at rated output, 8Ω)(1kHz)
- Rated output: 1.2V (PHONO input - REC OUT )
- Input sensitivity/input impedance: 3.0mV/47kΩ
- RIAA deviation: +0.5dB (20Hz ~ 20kHz)
- S/N ratio: 74dB (IHF-A weighted assuming 5mV input)
- Total harmonic distortion: 0.03% (1kHz, 3V)
- Rated output/Maximum output: 150mV/7V For Audio section
Video Section:
- Input/output level and impedance: 1V p-p, 75Ω
- Frequency response: 5Hz ~ 10MHz +1, -3dB
Tuner Section:
- Receiving range: AM 520kHz ~ 1710kHz FM 87.50MHz ~ 107.90MHz
- Useable sensitivity: 18μV
- 50dB quieting sensitivity: MONO 2.8nV (20.2dBf), STEREO 23nV (38.5dBf)
- S/N ratio: MONO 80dB (IHF-A weighted) STEREO 75dB (IHF-A weighted)
- Total harmonic distortion: MONO 0.15% (1kHz) STEREO 0.3% (1kHz)
General Specifications:
- Power supply: AC120V 60Hz
- Power Consumption: 3.4A
- External Dimensions: 434(width)mm x 171(height)mm x 416(depth)mm (17-1/16” x 6-23/32” x 16-3/8”)
- Weight: 10.0 kg (22 lbs)
Remote Control Unit:
- RC-872: Batteries Used -R6P/AA Type (2 batteries); Dimensions -54 (W) x 172 (H) x 27.2 (D) (mm) (2-1/8” x 6-3/4” x 1-1/16”); Weight: `~100 g (Approx. 6 oz) (Including Batteries)
- RC-873: Batteries Used -RO3/AAA Type (2 batteries); Dimensions -47.5 (W) X 127 (H) x 18 (D) (mm) (1-27/32” x 5 x 11/16”); Weight: 70 g (Approx. 2.402 oz)
Frequently Asked Questions
- Q: What is the rated output of the receiver?
- A: The rated output is 100W + 100W (8Ω).
- Q: LINE input requires what sensitivity?
- A: LINE input sensitivity is 200mV, 47kΩ.
- Q: What are the frequency response of the audio section?
- A: The frequency response is 10Hz ~ 50kHz with a deviation equal to +1.5dB.
- Q: What is the power requirement of the receiver?
- A: The Receiver Height is 3.4A AC120V, 60Hz.
- Q: What is the size of the receiver?
- A: The receiver has the following dimensions, 434(Width) x 171(Height) x 416(Depth) millimeters
- Q: What batteries are replaced in the remote control?
- A: Both the RC-872 and RC-873 remote controls require the use of either a twp R6P or AA batteries and a two RO3 or AAA respectively.
User Manual
Loading...