{"product_id":"ap-apx1701","title":"APx1701 Transducer Test Interface","description":"\u003ch1 class=\"h3\"\u003eAPx1701 Transducer Test Interface\u003c\/h1\u003e\n\u003cdiv class=\"p\"\u003e\n\u003cp\u003eThe Audio Precision APx1701 Transducer Test Interface is an APx accessory that integrates instrument-grade amplifiers and microphone power supplies for designers and production test engineers seeking clear insight into the behavior of loudspeakers, headphones and microphones.\u003c\/p\u003e\n\u003cp\u003eIt drives loudspeakers and headphones with dedicated power amplifiers, enables impedance measurements, and powers measurement microphones and microphones under test. Its functions are integrated with APx500 software and a connected B Series or legacy APx analyzer (APx500 v4.3 or later).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"h4\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSignal-to-noise ratio ≈ 134 dB; 20 dB fixed gain from DC to 100 kHz\u003c\/li\u003e\n\u003cli\u003eResidual THD+N ≤ −100 dB (10 Hz–20 kHz, 80 kHz BW)\u003c\/li\u003e\n\u003cli\u003eTwo independent amplifier channels, up to 100 W into 8 Ω (single channel)\u003c\/li\u003e\n\u003cli\u003eCurrent-sense resistors for easy impedance measurement\u003c\/li\u003e\n\u003cli\u003e2 balanced mic inputs with +48 V phantom; 2 unbalanced BNC inputs with CCP, TEDS-capable\u003c\/li\u003e\n\u003cli\u003eShips with ISO\/IEC 17025 accredited calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"h4\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003ePower ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e100 W (1 ch into 8 Ω); 60 W (1 ch into 4 Ω); 30 Vrms (2 ch into ≥ 15 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eFrequency range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eDC to 100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e±0.08 dB (10 Hz–20 kHz, DC-coupled); ±0.30 dB (20–50 kHz); ±0.80 dB (50–100 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eVoltage gain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e20.0 dB (×10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eResidual noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≤ 7.5 µVrms (22 kHz BW); ≤ 13 µVrms (80 kHz BW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eSignal-to-noise ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≈ 134 dB (ref 30 Vrms output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eOutput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≈ 0.13 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eResidual THD+N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≤ −100 dB, 10 Hz–20 kHz (80 kHz BW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eMicrophone inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e2 balanced (XLR, switchable +48 V phantom); 2 unbalanced (BNC, switchable CCP 4 mA \/ +24 V, TEDS-capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eMaximum mic input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e10 Vpk balanced; 5 Vpk unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eInput crosstalk\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≤ −78 dB + 1 µV to 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eDatasheet available on request.\u003c\/em\u003e\u003c\/p\u003e","brand":"Audio Precision","offers":[{"title":"Default Title","offer_id":54036767506726,"sku":"APX1701","price":0.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/9797\/0214\/files\/APx1701.png?v=1791344325","url":"https:\/\/nplab.shop\/zh\/products\/ap-apx1701","provider":"NP LAB","version":"1.0","type":"link"}