Description
Pioneer Exclusive C3A Control Amplifier Working F/S Japan Description ?Operation confirmation? ? (power switch) normal (Power lamp) was lit and OK. (Protector) At first it was protected, but after a while it came off and it was OK. ???? (Volume volume) When you gradually increase the volume, the sound will gradually go from silent to loud. There are no cracks, cracks, or burrs, and the sound is clear. Normal. ?? (Balance volume L, R,), turn it gradually to the right, the volume of R will not change, the volume of L will gradually decrease, turn it gradually to the left, the volume of L will not change, the volume of R will gradually decrease, and you will notice cracked sounds. I could hear clearly with no burrs or burrs, which was normal. ??? (attenuator switch), 0dB, -15dB, -30dB, the sound was loud, the sound was small, and the sound became even smaller, and there was no normal noise. ??? I checked the (function switch), tuner, sound 1, and source, and the sound came out from the selected location and was normal, with no sound cracking. ? ??? (Function range), Hono 2, Hono 3, Oaks 1, Oaks 2, Oaks 3, the sound came out from the selected location and was normal, and there was no sound cracking. ? ??? (Hono-2 impedance selector switch and level volume), 25kHz, 50kHz, 100kHz check, pull-up resistor is applied to each selected location, normal, level volume check, adjustment OK, no burrs, burrs, or sound cracking. was. ? (Front lower Oaks 3), I checked the input standard phone jacks L and R, and after inserting the plug, there was no problem switching from the rear Oaks 3 to the front Oaks 3. Normal ??? (Front lower Oaks 3), level volume, adjustment OK, no gully, burr, or sound cracking. Normal ??? (Output terminal selector switch) I checked A and B and found that they switched normally and there were no burrs, burrs, or crackling in the sound. Normal ??? (Output switch) When it was ON, the signal flowed to the output terminal and it was OK. ,When it was OFF, the signal was blocked and it was OK. Normal ??? (Tone switch) Switch to ON ?Bass volume 50Hz, there were no amplification and attenuation problems. There is no gully and it is normal. ?Bass volume 100Hz, there were no amplification and attenuation problems. There is no gully and it is normal. Treble volume 10kHz, no amplification or attenuation problems. There is no gully and it is normal. Treble volume 20kHz, no amplification or attenuation problems. There is no gully and it is normal. (Tone switch) Switched to OFF, the original sound quality was restored, and there was no gully, burr, or sound cracking. Normal ??? (low filter switch) check, In the OFF state, the signal flowed as is and there was no sound cracking. Normal At 15Hz, frequencies below 15Hz dropped and there was no sound cracking. Normal At 30Hz, frequencies below 30Hz dropped and there was no sound cracking. Normal (High filter switch) check, In the OFF state, the signal flowed as is and there was no sound cracking. Normal At 8kHz, frequencies above 8kHz dropped and there was no sound cracking. Normal At 12kHz, frequencies above 12kHz dropped and there was no sound cracking. Normal ??? (Mode switching range) confirmation STEREO NORM, L, R, → L, R, stereo output was OK. There is no gully and it is normal. STEREO REV, L, R, → R, L, was output in reverse stereo and was OK. There is no gully and it is normal. It was OK to convert L+R and stereo to monaural. There is no gully and it is normal. It was OK to output the R and R only channels as L and R monaural output. There is no gully and it is normal. It was OK to output L and R monaural channels with only L and L channels. There is no gully and it is normal. ??? (tape 1,2 switch) Monitor switch The channel selected by the source and function switch was output and OK. Normal 1. Tape 1 was output and OK. There was no gully and everything was normal. ? 2. Tape 2 was output and OK. There was no gully and everything was normal. ? ??? (tape 3 switch) Monitor switch OFF, the selected channel of each source was output with the switch OFF and it was OK. Normal When I turned on the switch, tape 3 was output and it was OK. There was no gully and everything was normal. ? ??? (Duplicate switch) OFF, the channel selected by the function switch was output and OK. Normal 1 → 2, output from tape 1 to tape 2 was OK. There was no gully and everything was normal. ? 2 → 1, output from tape 2 to tape 1 was OK. There was no gully and everything was normal. ? ??? (Check the headphone jack and headphone volume) Headphone L and R sounds came out. ? Headphone volume, MIN to MAX No noise was heard. Normal ??? AC outlet UNSWITCHED, it was OK. ? SWITCHED, turned on when the power was turned on, turned off when the power was turned off, and it was OK. ? ??? The voltage stabilizer has been adjusted exactly within ±69.0V to 71.0V. Payment Most buyers can choose from any of the following payment methods: Visa, Mastercard, American Express, PayPal Apple Pay (through the eBay app and eBays mobile website only) Google Pay (through the eBay app, eBays mobile website, and desktop) Shipping It will be shipped from Japan. It will be shipped by Japan Post or FedEx. We will do our best to make sure that it reach you safely. Terms of Sale If you have any questions about our products, please feel free to contact us. International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. When returning an item, the purchaser is responsible for the paypal fee. Please understand. Thank You for taking the time to view this listing!! We wish you a great day! Many Thanks
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