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Onkyo T-4310R "R1" Series AM/FM Tuner w/RDS

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Pickup currently unavailable at SkyFi 479

Onkyo T-4310R R1 Series Am/Fm Tuner W/Rds

Onkyo T-4310R "R1" Series AM/FM Tuner w/RDS

SkyFi 479

Pickup currently unavailable

479 South Broad Street
Glen Rock NJ 07452
United States



Simple to use and great sounding tuner from Onkyo featuring a bright front display for signal strength, station tuning, and more. The numeric keypad allows you to direct enter the station you'd like to listen to, in addition to using the large tuning dial.

The front panel is in overall good condition, and the front display is fully working without deep scratches or impressions. However the top chassis has seen some wear over the years which is why we've rated this a 6/10. In real world use in your system you don't see or notice the wear, but we're super consevative with our ratings.


Approximate Year:

$280 ($500+ with adjusted inflation in 2023).

RCA Outputs

General Sound:
Accurate to the recording

Cosmetic Condition:
6 - See our detailed rating description here.

Working Condition:
Working perfectly and tested in our lab.

Just the unit and power cord

Will be packed using our highly developed in-house process and custom packing materials.
Recommended Cables:

Kimber Kable - RCA Interconnects - Better

Kimber Kable - RCA Interconnects - Best

Testing Process:
The SkyFi Testing Process for Tuners:
We start with a visual inspection of all internal components to make sure that there are no signs of heat stress or damage. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect the PCBs for discoloration from resistors or transistors that may have been running hot. On vintage units we often spot check select capacitors for value and ESR. Vintage analog tuners also have moving parts related to the tuning gang and dial string. These parts are inspected for smooth operation.

If the unit passes visual inspection it is bench tested for a handful of key performance parameters using a Sencore SG80 AM/FM Stereo Analyzer. The SG80 allows us to “simulate” an ideal radio station using precision test signals instead of music. This device, in conjunction with an oscilloscope allows us to properly evaluate the following parameters:

1. AM Reception (Where Applicable)

2. FM Mono Reception & Tuning Meter Function

3. FM MPX Reception (Stereo)

4. Dial Tracking - How accurately the tuner dial or display indicates the actual frequency of the broadcast being received.

5. Stereo Separation - A properly working stereo tuner will have minimal crosstalk between the left and right channel.

6. Sensitivity & Signal Strength Meter Function - By lowering the output of the SG80 we can simulate weak stations and determine how well the tuner will be able to pull in weak distant stations. This adjustment also helps us verify signal strength meter function.

If the tuner has acceptable performance related to the parameters above we connect the unit for listening tests with a simple dipole antenna. We listen for audio reproduction quality of local stations and evaluate how many stations the tuner can receive while we sweep through the dial. We are looking to verify that the tuner can decode stereo on strong local broadcasts and pick up a wide variety of local stations at the bottom, middle, and top of the frequency band. At this point we also test convenience features such as muting, filters, built in oscilloscope function, etc.

We finish up with an extended listening test on our long term test rig. We tune in a strong local station and monitor for drift over a 2-3 hour period.

SKU: 105015