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Realistic SA-2001

Stereo Integrated Amplifier

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Realistic SA-2001


Power output: 65 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.05%

Input sensitivity: 3mV (MM), 200mV (line)

Signal to noise ratio: 65dB (MM), 85dB (line)

Channel separation: 50dB (line)

Output: 200mV (line)

Speaker load impedance: 4Ω to 16Ω


service manual (no schematics)  English - mernok57

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re: SA-2001

Thank you very much for the schematic & the parts list.

re: SA-2001

Am looking for Operating Manual & Schematic. Could you help? Thank you!

re: SA-2001

Great bass sound my unit has. AUX and Tuner inputs work fine. Phono 1 left channel is dead (right ch works great). The service manual pdf scan here kinda sucks (although better than nothin', I suppose). So....

Can a kind soul who has the SA-2001 service manual booklet.... Please RE-SCAN in High-Definition (esp. for the schematic) and upload it here. Thanx a mil.

re: SA-2001

For a follow up, I too found my problem. Actually it was one of the HA1457 phono op-amp IC's that shorted out causing a couple of resistors to burn to a toast. Fortunately, nothing else was damaged as I ordered a couple of HA1457 op-amps. And I replaced bad IC and the resistors (power). I also recapped the entire phono board. Joy! Both channels work now with that wonderful heavy party bass that I so enjoy.

Btw, while rotating the Selector switch, I also would lose out a channel on any input. So I squirted some Deoxit in that extended function switch at the back besides the phone board (aux/phono1/phone2/tuner selector) as it notoriously oxidizes pretty bad. Make sure you rotate the knob at least....say 50 times while squirting Deoxit at least 3 times. That juice works wonders.

re: SA-2001

I bought my SA-2001 new in 1979. It lost one channel on the phono as well. I took it back to Radio Shack for warranty service and 1 month later I got it back. Still only one channel on the phono. Pulled the cover off and started checking things myself and found a cold solder joint on the board the phono jack was mounted to. It took me all of 15 minutes to find and repair this amp. I'm listening to some Neil Diamond with it right now. A fabulous piece of audio gear! Check for a cold solder joint!


re: SA-2001

Picked this guy up at a local Goodwill for $15. Was covered in dirt and stickers and wasn't working, but it looked like something that would be fun to work on and try to resurrect so I figured what-the-heck. Long story short it was a very easy fix to get it to work. Replacing the burnt out bulbs was actually much more difficult as I had to nearly dismantle the entire unit. There are no scratches to the face and the housing is really in good condition. After removing the stickers, soldering in new bulbs and polishing the face plate this became "collector quality". Not only does she look great, she sounds amazing. Base is full enough to rattle your chest, but super clean and crisp. This turned out to be the best $15 I've ever spent.

re: SA-2001

Does anyone happen to know the damping factor for the SA-2001 ?

re: SA-2001

I've had several amps over the years, and while some were far more powerful than this one, the SA-2001 had some great features. 2 Speaker outputs with on/off switches, 2 tape monitors with tape dubbing in either direction, a Loudness/Contour that could add Bass and Volume to the program if needed, 2 settings for the VU meters, and most important - 2 great parametric style Boost/Cut Treble and Bass controls, each with 2 ranges of operation. Multiple inputs and terrific tone controls more than make up for it's lower power output. But 65 watts per channel is quite usable with the right speakers and/or subwoofer. I wish some of today's modern amps had all these features.

re: SA-2001

Fully agree with all your comments - except classifying 65 wpc as too low. Amps of this area with that much power are of a class with the equivalent Pioneer or Kenwood. Don't need any more than that unless you're running frat parties.

re: SA-2001

I agree with your assessment of the SA-2001. I have this amp, the matching TM-1001 Tuner, both in mint condition, and run them with original Mach 1 (4024) speakers. I have the system set up in my living room and it's difficult to express how much pleasure they provide 30 years later, properly set up. My brother was a manager at Radio Shack back in the day and I am fortunate to have them and I would not consider selling them or replacing them with current technology.

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