| { "HED 027" : { "Style" : "Heavy-duty, folding, mono headphones", "Plug" : "3.5mm mono", "Cord" : "39"", "Driver Size" : "40 mm", "Nominal Impedance" : "16Ω", "Freq. Response" : "20 - 20kHz", "Weight" : "102g", "Max Power Input" : "100 mW", "Sensitivity" : "96 dB @ 1kHz", "Replacement Pads" : "EAR 035 (one pair)" }, "IDP 008" : "10-3/8" (L) x 6-¼" (W) x 1/8" (H)", "MIC 049" : { "Phantom Power" : "1.2 - 10 VDC", "Impedance" : "1.5 kΩ", "Operating Voltage" : "1.2 - 10 VDC", "Freq. Response" : "100 Hz - 8 kHz", "Signal-to-Noise Ratio" : ">60 dB", "Pick-Up Pattern" : "Omni-directional", "Element" : "Electret-condenser", "Sensitivity" : "-38 dB ± 3 dB", "Color" : "Black", "Weight" : "0.08 lbs", "Plug" : "3.5 mm mono", "Cord Length" : "36”", "Approvals" : "RoHS", "Warranty" : "90 days" }, "MIC 090" : { "Element" : "Electret-Condenser", "Pick-Up Pattern" : "Omni-directional", "Phantom Powered" : "No", "Impedance" : "1.5 kΩ", "Frequency Response" : "20 Hz – 18 kHz", "Dynamic Range" : "79 dB", "Sensitivity" : "-56 ± 3 dB", "Signal-to-Noise Ratio" : "63 dB", "Plug" : "3.5 mm, right-angle", "Cord Length" : "39”", "Color" : "Black", "Weight" : "0.05 lbs", "Replacement Windscreen" : "WND 006", "Replacement Clip" : "CLP 090", "Approvals" : "RoHS", "Warranty" : "90 days" }, "PPA R37" : { "Dimensions" : "4.1" x 2.85" x 1.38" (104 x 72 x 35mm)", "Weight" : "4.6oz (130g) with batteries. 2.6oz (73g) without batteries ", "Color" : "Black", "Battery Type" : "(2) AA Alkaline or 2 x AA NiMH ", "Battery Life" : "Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs", " " : "(2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs", "Current Consumption" : "52mA nominal", "Temperature Range" : "– 0 to 50C", "Channels" : "17, accessed via seek button in battery compartment", "Operating Freq." : "72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*", "Intermediate Freq." : "75 kHz", "FM Deviation" : "75 kHz", "De-Emphasis" : "75 μS", "LED Indicator" : "Power: Green; Low Battery: Flashes Green", "AFC Range" : "± 120 kHz", "Sensitivity" : "2 μV at 12 dB Sinad with squelch defeated", "Input Overload" : "100 mV", "Frequency Response" : "200 – 15 kHz", "Modulation" : "FM, +/- 75 kHz peak deviation", "Signal-to-Noise Ratio" : "65 dB min @ 100 uV", "Receive Antenna" : "Integral with earphone/headphone cord", "Audio Output" : "35 mW max, peak into 16 ohms", "Output Connector" : "3.5 mm stereo/mono phone jack", "Earphone" : "Earbud-type with foam cushion, 3.5 mm plug, 32 Ω", "Auto Shut-off" : "Enters sleep mode after approx 6 mins of no RF signal", "Approvals" : "FCC, Industry Canada, RoHS, WEEE", "Warranty" : "Lifetime PLUS Limited Warranty, 90 Days on most accessories." }, "PPA T46" : { "Dimensions" : "4.1” L x 2.8” W x 1.1” D (104 mm x 71 mm x 28 mm) ", "Weight" : "2.6 oz (74 g), no batteries", "Color" : "Black/Silver", "Enclosure Material" : "Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum faceplate", "Battery Type options" : [ "Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001-2), 75 mA nominal current drain, up to 30 hours battery life", "Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026-2), 75 mA nominal current drain, up to 20 hours battery life per charge, recharges in 14–16 hours, uses CHG 3502 or CHG 3512 Charger" ], "Operating Frequencies" : "Selectable, 17 channels, 72.1 – 75.9 MHz*. Switchable 8 or 17 Channel Mode. (8-channel mode setting corresponds with PPA R35-8 receiver channels)", "Stability" : "± .005%, frequency synthesized, crystal reference, PLL", "Modulation" : "Wide-band FM, 75 kHz peak, 75 μS pre-emphasis", "RF Output" : "80 mV/m at 3 m (max. allowed by FCC rules)", "Range" : "150 ft/45 m", "Frequency Response" : "180 Hz to 13 kHz, ± 3 dB at 1% max. THD", "Signal-to-Noise Ratio" : "65 dB (typical) transmitted", "Transmit Antenna" : "Integral with microphone cord", "Microphone" : "Electret type, 3.5 mm mono plug", "External Display" : { "OLED for status and menu information." : "", "Status" : " Ch/Freq, Mic Audio Level, Auxiliary Input Audio Level, Battery Status, Mic Mute, Channel Lock, Dual-Preset mode.", "Menu" : [ "Ch/Freq display mode select, Volume, Aux Input, Compression, ", "17 or 8-channel mode, screen time out, screen brightness, restore default settings" ] }, "External Controls" : "Momentary push button: push and hold 3 seconds for power On/Off, push and release for microphone mute On/Off. “Up”, “Down” and “Menu” buttons for accessing and changing transmitter settings. Battery type switch (Alkaline or NiMH) located behind the battery compartment door", "External Indicators" : "Power LED - Green, flashes when battery is low", "Mic Input" : [ "3.5 mm mono jack with electret mic bias, adjustable gain with ", "25 dB range" ], "Aux Input" : "2.5 mm stereo jack, adjustable gain with 60 dB range", "Audio Compression" : "1:1 (off) or 2:1 (on) selectable in menu", "Compatible Receivers" : "PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R37, PPA R35-8, PPA R1600, ", "Approvals/Directives" : "FCC, Industry Canada, RoHS, WEEE", "Warranty" : "Lifetime PLUS Limited Warranty, 90 Days on most accessories." }, "Note" : [ "The PPA T46 is FCC Part 15 compliant.", "Effective July 11, 2016, the FCC has mandated tighter emissions limits on auditory assistance transmitters (72-76 MHz) manufactured or imported after this date to help avoid interference with and/or degradation of other airborne signals (All products manufactured prior to July 11, 2016, are compliant). Williams Sound FM transmitters – PPA T46, PPA T27 and PPA T45 (all models) – all have received a Grant of Certification from the FCC and are fully compliant/approved under this new mandate." ] } |