Description
SP-31: The Kenwood SP-31 is a high quality external speaker with audio filtration. It is 8 ohms, can handle up to 2 watts and has a normal frequency response of 160 Hz to 7 kHz. This speaker may be used with virtually any communications receiver or transceiver. The SP-31 features a 4 inch (10 cm) speaker in a metal enclosure. The switch in the upper the right corner can select from two audio input sources. The three switches on the lower right activate two high (HIGH 1, HIGH 2) cut and one low (LOW) cut audio filters. This allows you to tailor the frequency response of the speaker system. Kenwood SP-31 radio external speaker matched, TS-950SDX TS-850 TS-870 TS-690 TS-790
Specifications:
Type: External speaker with filter
Max input power: 2 W
Impedance: 8 Ohm
Frequency response: 160-7000 Hz
Filter cut-off: Low: 400 Hz @ -3 dB point
High 1: 3 KHz @ -3 dB point
High 2: 1.2 KHz @ -3 dB point
High 1 + High 2: 900 Hz @ -3 dB dB point
Filter response: -6 dB/octave
Dimensions (W*H*D): 180* 128* 310 mm (7.09*5.04*12.2″)
Weight: 2 Kg (4.41 lb)
Manufactured: Japan, 1990-19xx (Discontinued)
Other: Dual input. Line out and phones out.