Difference between revisions of "Optonica SM-4545"
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__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Optonica|Sharp Optonica]] |
| − | * | + | * Model: SM-4545 (US version of the [[Optonica SM-4000 II]]) |
| − | * | + | * Type: Integrated amplifier |
| − | * | + | * Years of manufacture: 1975 - 1979 |
| − | * | + | * Color: Silver |
| − | * | + | * Remote control: No |
| + | * Power consumption: 360 watts | ||
| + | * Dimensions: 442 x 144 x 380 mm (WxHxD) | ||
| + | * Weight: 16 kg | ||
| + | * Original price approx.: 115'000 Yen (Japan, 1975), 1'650 DM | ||
| − | ''' | + | '''Connections''' |
| + | * Number of inputs: | ||
| + | ** Phono 1, 2: 2.5 mV, 47 kOhm. | ||
| + | ** Tuner; 150 mV, 47 kOhm | ||
| + | ** 2x AUX: 150 mV, 47 kOhm | ||
| + | 2x Tape: 150 mV, 47 kOhm | ||
| + | ** Main In: 500 mV, 100 kOhm | ||
| + | * Number of outputs: | ||
| + | ** Tape Rec (Cinch): 150 mV | ||
| + | ** Tape Rec (DIN): 30 mV | ||
| + | ** Pre Out: 1 V | ||
| + | ** 2 speaker pairs (4 - 16 Ohm) | ||
| − | |||
| + | '''Technical Data''' | ||
| + | * Continuous power (at distortion factor) | ||
| + | ** 8 Ohm: 2x 70 W | ||
| + | ** 4 Ohm: | ||
| + | * Dynamic power | ||
| + | ** 8 Ohm: | ||
| + | ** 4 Ohm: | ||
| + | * Total harmonic distortion: 0.05 % | ||
| + | * Attenuation factor: 5 - 40'000 Hz (± 1dB) | ||
| + | * Signal-to-noise ratio: | ||
| + | ** Phono: > 65 dB | ||
| + | ** High level: > 85 dB | ||
| + | * Tone control: | ||
| + | ** Bass: ± 10 dB (100 Hz, 2 dB steps). | ||
| + | Treble: ± 10 dB (10 kHz, 2 dB steps) | ||
| + | * Loudness: yes, +11.5 dB (100 Hz), +6.5 dB (10 kHz) | ||
| + | * High Filter: -3 dB (6 kHz, 12 dB/oct.) | ||
| + | * Low Filter (subsonic): -3.5 dB (60 Hz, 12 dB/oct.) | ||
| + | * Mute: yes, -20 dB | ||
| − | == | + | |
| − | * | + | '''Special Features''' |
| − | * | + | * Pre- and power amplifier can be separated |
| + | |||
| + | |||
| + | == Remarks == | ||
| + | * Other models in the same series: | ||
| + | * Amplifier: | ||
* [[Sharp SM 1400 H]] | * [[Sharp SM 1400 H]] | ||
* [[Optonica SM-3000]] | * [[Optonica SM-3000]] | ||
| Line 26: | Line 64: | ||
| − | * Tuner | + | * [[Tuner]] |
* [[Sharp ST-1400 H]] | * [[Sharp ST-1400 H]] | ||
* [[Optonica ST-3000]] | * [[Optonica ST-3000]] | ||
| Line 32: | Line 70: | ||
| − | == | + | == Pictures == |
| − | * | + | * Image: Optonica SM-4545 |
| − | [[ | + | [[File:Sharp Optonica SM-4545-1.jpg]] |
| + | |||
| + | |||
| + | * Excerpt from US advertisement: Optonica SM-4545, ST-3535 | ||
| + | [[File:Sharp Optonica SM-4545-ST-3535-Werbung-1978.jpg]] | ||
| − | == | + | == Reviews == |
| Line 43: | Line 85: | ||
| − | [[ | + | [[Category:Integrated amplifier]] |
Latest revision as of 06:12, 29 August 2020
Data[edit]
General
- Manufacturer: Sharp Optonica
- Model: SM-4545 (US version of the Optonica SM-4000 II)
- Type: Integrated amplifier
- Years of manufacture: 1975 - 1979
- Color: Silver
- Remote control: No
- Power consumption: 360 watts
- Dimensions: 442 x 144 x 380 mm (WxHxD)
- Weight: 16 kg
- Original price approx.: 115'000 Yen (Japan, 1975), 1'650 DM
Connections
- Number of inputs:
- Phono 1, 2: 2.5 mV, 47 kOhm.
- Tuner; 150 mV, 47 kOhm
- 2x AUX: 150 mV, 47 kOhm
2x Tape: 150 mV, 47 kOhm
- Main In: 500 mV, 100 kOhm
- Number of outputs:
- Tape Rec (Cinch): 150 mV
- Tape Rec (DIN): 30 mV
- Pre Out: 1 V
- 2 speaker pairs (4 - 16 Ohm)
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 70 W
- 4 Ohm:
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: 0.05 %
- Attenuation factor: 5 - 40'000 Hz (± 1dB)
- Signal-to-noise ratio:
- Phono: > 65 dB
- High level: > 85 dB
- Tone control:
- Bass: ± 10 dB (100 Hz, 2 dB steps).
Treble: ± 10 dB (10 kHz, 2 dB steps)
- Loudness: yes, +11.5 dB (100 Hz), +6.5 dB (10 kHz)
- High Filter: -3 dB (6 kHz, 12 dB/oct.)
- Low Filter (subsonic): -3.5 dB (60 Hz, 12 dB/oct.)
- Mute: yes, -20 dB
Special Features
- Pre- and power amplifier can be separated
Remarks[edit]
- Other models in the same series:
- Amplifier:
- Sharp SM 1400 H
- Optonica SM-3000
- Optonica SM-4000
- Optonica SM-4000 II
- Optonica SM-4545
Pictures[edit]
- Image: Optonica SM-4545
- Excerpt from US advertisement: Optonica SM-4545, ST-3535
