Technics Model SA-505 Receiver
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Front View
Image Attribution: Technics Brochure
Date: November 8th, 2001
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Technics Brochure Highlights
Pure-complementary OCL amplifier. Bridged rectifier is used for DC rectification. Current-mirror-loaded differential stage. Two 8,200 uF electrolytic capacitors are used in the power supply. Outstanding S/N ratio of 73 dB (IHF '78 re 5 mv). MOS FET FM tuner. Flat group delay ceramic filters. High linearity quadrature detector stage. Phase-locked-loop multiplex stage. LED active sensor for FM center-of-channel tuning. 2-colored, 5-point LED signal strength indicator. "Acoustic control" with low and high frequency boost and filter switches. Two tape monitors with two-way tape dubbing. FM muting/mode selector. Main/remote speaker selector. Loudness control. Simulated wood cabinet.
Contributed by Ben
On 2001/11/08
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| General |
| Description | Receiver |
| Rarity | Rare |
| Designed in | Japan |
| Manufactured In | Japan |
| Wood Case | Yes |
| Silver Face | Yes |
| Channels | Two |
| Speaker Connections | Two Sets |
| Power Consumption | 340 watts maximum |
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| Physical |
| Width | 480 mm |
| Height | 160 mm |
| Depth | 293 mm |
| Weight | 20.9 lbs |
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| Amplifier |
| RMS Power Per Channel | 63 watts |
| Damping Factor @ Load Impedance | 34 @ 8 ohms |
| Total Harmonic Distortion (THD) | 0.04% @ full power, 0.02% at 1/2 power |
| Power Bandwidth | 20 to 20 kHz |
| Frequency Response | 7 Hz - 50 kHz +/- 1 dB |
| Intermodulation Distortion (IM) | 0.04% |
| Meter Range | 1x, 0.1x, Off |
| Overload Lamp(s) | Yes, also safe operation lamp |
| Output Meter(s) | LED Power Meters |
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| FM Tuner |
| RF Sensitivity | 1.9 uV |
| 300 Ohm Binding Posts | Yes |
| 75 Ohm Binding Posts | Yes |
| 50 dB quieting sensitivity, Stereo | 39.7 uV |
| 50 dB quieting sensitivity, Mono | 2.7 uV |
| THD, Mono | 0.15% |
| THD, Stereo | 0.30% |
| Frequency Response | 20 Hz to 15 kHz, +1/-2 dB |
| Capture Ratio | 1.2 dB |
| IF Image Rejection | 60 dB |
| IF Rejection | 75 dB |
| Alternate Channel Selectivity (wide or normal) | 70 dB |
| Spurious Rejection | 82 dB |
| AM Carrier Rejection | 55 dB |
| Stereo Separation at 1 kHz | 45 dB |
| Carrier Suppression | -40 dB @ 19 kHz, -50 dB @ 38 kHz |
| Mono Switch | Integral to FM muting off |
| Signal Strength Meter | Yes (LED) |
| Center Tuning Meter | Indication via LED arrows |
| Stereo Lamp | Yes |
| Muting Switch | Integral to FM stereo on |
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| AM Tuner |
| RF Sensitivity | 30 uV (300 uV/meter for ferrite) |
| Adjacent Channel Selectivity | 30 dB |
| IF Rejection | 40 dB |
| Image Rejection | 50 dB |
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| Preamplifier |
| Single Bass Adjustment | Yes |
| Single Treble Adjustment | Yes |
| High Filter | 7 kHz, 6 dB/octave, also Boost 100 Hz 6dB |
| Low Filter | 100 Hz, 6 dB/octave, also Boost 10 kHz 6 dB |
| Gain Control | Yes |
| Loudness Contour | Yes (+9 db @ 50 hZ when gain is at -30 dB) |
| Balance | Yes |
| Number of Tape Monitors | Two |
| Tape to Tape Dubbing | 1,2 and 2,1 |
| Auxillary Input Source | Yes |
| Phono Input Source | Yes |
| Illuminated Source Indicators | Aux, Phono, AM, FM |
| Tuner Source Input | Integral AM and FM |
| Headphone Jack(s) | Yes |
| Speaker Selection Nomenclature | Main, Remote |
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Have some additional information about the Model SA-505 Receiver? If so, I would sure appreciate it
if you would EMAIL
that to me. I'll add anything: What type of controls, specifications, number and type of AC outlets on the back...
anything!
One thing, though... if you see some info and you believe it is incorrect, that is certainly
possible. However, it does no good to tell me that "I don't think that's right".
You need to tell me the correct information to replace it with. For instance, if I have that
a particular model was available 1978-1979, and you believe that is wrong, then tell me the
exact correct range and your source of information, rather than "I had one of those in 1976". Otherwise, I can't
really change the database with any confidence.
The database currently contains "slots" for many AM Tuner, FM Tuner, Amplifier and Preamplifier specifications,
as well as many of the controls and features Technics has made available on these units. You can check the Sample Unit to see all of the database slots. You
might even be surprised at some of the slots that are available. However, if you come up with something that's not in the Technics Classics database, either a specification
or a feature, I can add it in just a few minutes, along with specific details about that feature for any model(s) you know of. Don't be shy - tell me!
These listings can only be as good as the information in them. With your help, they will improve over time. Please accept
my heartfelt thanks in advance for anything you can contribute.
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