1pcs Vintage 10-inch Subwoofer 75GDN-1-8 (8ohm) Radiotehnika S90-B-D-F Video📹

Description: Vintage 10-inch subwoofer 75GDN-1-8 (8Ohm) from speakers Radiotehnika S90 made in Riga - Latvia during the USSR The price is for 1 speaker Details: Details: You are bidding on the well-preserved 75gdn-1-8 (8Ohm) woofer from the Radiotehnika S90 speakers, manufactured at a factory in Riga-Latvia during the USSR era. Conditions: The 75GDN-1-8 (8Ohm) speaker was installed in the Radiotehnika S90B, S90D, S90F, S100, S150, 35AS-012, 35AS-212 speaker systems as a subwoofer. It has proved its worth in its frequency characteristics. It is still used as a subwoofer for home or for a car. On the Internet There are many options on how to calculate the size of the box and make a subwoofer from this speaker yourself. The speaker in excellent condition has not been used much and is well preserved both externally and technically. It is fully operational and proven. Very high-quality soft bass. Please see the photos, video. This is a private sale. I do not give a guarantee and cannot guarantee further use. You get what you see in the photo, video Vintage Soviet Subwoofer Radiotehnika S90 75GDN-1-4 (4ohm) Made in the USSR Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo] Attention, if you are unable to open the video on eBay, you can copy the link under the video and paste it into any Internet browser to view it. Specifications:Frequency response: 31.5 - 1000 Hz Frequency response unevenness in the range of 63 - 1000 Hz: 10 dB Sensitivity: 86 dB Sound pressure: 1.26 Pa Harmonic factor at operating power: 40Hz: 5% 63 Hz: 4% above 80 Hz: 3% Resistance: 8 ohm Maximum noise (passport) power: 75 W Maximum continuous power: 78W Short-term power: 80W Equivalent volume: 52 l Main resonance frequency: 25Hz (±5Hz) Full Q factor: 0.35 (±0.05) Size: Ø250x124 mm Weight: 6 kg Design features: Loudspeaker head of electrodynamic type, low-frequency, round, with unshielded magnetic circuit. The basket is made by injection molding of aluminum alloy. Conical diffuser made of impregnated paper pulp. Toroidal suspension made of rubber. Centering washer made of impregnated fabric. The height of the air gap is 9.8 mm, its radial width is 2 mm, and the induction in the gap is 0.87 T. The magnetic circuit consists of: ring ferrite magnet brand 25BA170 size K134x57x12 mm; core with a diameter of 49.7 mm; top flange with a hole diameter of 53.7 mm. The voice coil is wound with PEVTL-1 wire with a diameter of 0.28 mm, two-layer winding, 69 turns in the first layer, 67 in the second. Ohmic resistance 6.7 Ohm (±0.3 Ohm). The voice coil frame is made of copper tape. ZK height 41.6 mm, inner diameter 50.7 mm, outer (together with winding) 52.6 mm. Payment: I accept payment via PayPal. Dispatch: Before you buy, please contact me to clarify information about sending to your country.The goods are well packaged by me and sent from Ukraine by the Air Carrier with a tracking number. All orders are processed and dispatched within 5 business days. I still have such a speaker and other components for the Soviet speaker system Radiotehnika S90, Vega, Amphiton. I will be happy to answer any questions and add photos or information upon request. Please feel free to ask. Thank you for your interest!

Price: 150 USD

Location: Europe

End Time: 2024-01-11T00:51:26.000Z

Shipping Cost: 99 USD