25 Series Controls & Potentiometers

SLIDE CONTROLS Modernize your equipment with the use of Slide Controls. Rugged construction and extra smooth action. 1/2 watt, 20% tolerance.
4 5/16" Mounting Centers,4 9/16" x 1/2" x 5/8" Including Terminals 25-270..............................10K Linear Taper 25-276............................. 50K Audio Taper 25-271 .............................50K Linear Taper 25-277............................100K Audio Taper 25-275..............................10K Audio Taper 2 9/16" Mounting Centers,2 7/8" x 1/2" x 9/16" Including Terminals 25-287............................100K Audio Taper 3 5/32" Mounting Centers,3 7/16" X 1/2" x 5/16" Including Terminals 25-372...............................1 K Linear Taper 25-377............................. 10K Audio 25-373..............................10K Linear Taper 25-379........................... 100K Audio 25-376 ...........................250K Linear Taper DUAL GANG SLIDE 29/16" Mounting Centers,2 7/8" x 3/4" x 7/32" P C. Leads 25-390..............................10K Dual Linear Taper 25-391............................. 25K Dual Linear Taper
25-336 FADER CONTROL 20 ohm for use as rear speaker fader control (front, rear both can also be used as a volume control for most small speakers. 1 1/8" diameter, 3/8 threaded bushing, 1/4" slotted knurled shaft. supplied with cover and nut, washer.	25-340 "L" PAD Dual section ceramic insulated 8-ohm "L" pad for use between amplifier and speaker. Will ad just volume of an speaker independently of other speakers in the system. Wire wound control ceramic insulation for additional strength, 3/4" bushing, 1/4" long. Individually packaged. 5-15 watts.
25-341 "L" PAD Flat frequency response, natural reproduction is obtained by adjusting for the difference in efficiency ratios. Adjustment +- 17% of the normal rated impedance. "L" pads are 8-ohm impedance. Black plastic contour knob. Mounts in 3/8" hole. Bushing 3/4" long. 10-25 watts.	25-342A STEREO "L" PAD Single shaft control for maintaining proper output level enabling the balancing of two speakers from the amplifier. Providing positive equal audio power to each speaker. Has 3/8" x 32 threaded bushing 7/8" long. Impedance: 8 ohms.10-25 watts.
50 WATT HEAVY DUTY AUDIO LEVEL CONTROLS 25-352 MONAURAL (Body Size 2" x 2" x l 1/16" Hole Size 3/8") 25-353 STEREO (Body Size 2" x 2" x 1 9/16" Hole Size 3/8") Specially designed "L-Pads" to be used in high power audio or speaker systems. Made of rugged high quality materials for neat appearance and smooth operation. 1/2" long threads are provided for ease in mounting in thick cabinets. Complete with knob, hardware for mounting. Specify monaural or stereo. Impedance: 8 ohms. (One per package.)

100 WATT HEAVY DUTY AUDIO ATTENUATORS 25-452 MONAURAL 25-453 STEREO Controls speaker volume For remote location. Rated up to 100 watts at 8 ohms. Extra long 3/4" bushing for mounting in standard 3/8" diameter hole. Complete with attractive front plate and knob.

25-351 10 WATT, 70 VOLT AUDIO LINE ATTENUATOR -MONO 25-351A 10 WATT, 8 OHM AUDIO LINE ATTENUATOR -MONO Flush mount auto transformer type. Fits into standard single gang box or ring. Excellent for use in home, paging and background music systems. Features a 10-position volume selector switch with 3 dB step attenuation and a positive off position. Complete with mounting plate, knob, with terminal block connectors. Individually boxed. Depth 2 1/8"

25-339 10 WATT, 8 OHM AUDIO LINE ATTENUATOR -STEREO 25-339A 10 WATT, 70 VOLT AUDIO LINE ATTENUATOR -STEREO Same as 25-351 (Stereo Version).10 Watt-70 Volt. Dimensions: 2 1/2" deep x 2 1/2" high x 2" width (less shaft and knob).

25-357 20 WATT, 8 OHM AUDIO LINE ATTENUATOR -STEREO 25-357A 20 WATT, 70 VOLT AUDIO LINE ATTENUATOR -STEREO

25-358 35 WATT, 8 OHM AUDIO LINE ATTENUATOR Double-gang box mount.

25-358A 35 WATT, 70 VOLT Double-gang box mount.

25-338 10 WATT, 70 VOLT AUDIO LINE ATTENUATOR Includes aluminum surface mount box.

25-356 10 WATT, 70 VOLT MONO ATTENUATOR 10-step attenuation for high level audio signal. Low insertion loss. Controls up to 10 watts of speaker load. Handles 70 volts RMS input. Stainless steel panel. Easy installation. Comes with terminal block connectors.

25-361 100 WATT, 8 OHM DECORA STYLE ATTENUATOR WITH IMPEDANCE MATCHING Click type attenuators with isolation transformers. 36db attenuation, (10) step design. Comes with terminal block connectors. Accepts up to 14 awg cable. 2.3" deep.

25-362 30 WATT, 70 VOLT DECORA STYLE ATTENUATOR Click type attenuators with isolation transformers. Matches impedance to amplifier and allows 1-16 attenuators to be used with one amplifier.  42db attenuation, (12) step design. Comes with terminal block connectors. Accepts up to 14 awg cable. 2.7" deep.

25-354 25 WATT, 8 OHM STEREO ATTENUATOR

25-355 40 WATT, 8 OHM STEREO ATTENUATOR Decora style. Click type attenuators with isolation transformers. 3 db (10) step attenuation. Comes with terminal block connectors.

25-359 8 OHM, 25 WATT DECORA STYLE ATTENUATOR WITH A/B SWITCH. Double gang configuration. Screw type connectors for attaching wire. Comes with wall plate and with terminal block connectors.

WHITE AND IVORY KNOBS AND PLATES For use with 25-351, 25-351A, 25-339, 25-339A, 25-357, and 25-357A. Plates have numbers 0-10.

45-788 50 WATT, Hl-POWER MATCHING TRANSFORMER
45-789 100 WATT, Hl-POWER MATCHING TRANSFORMER These hi-power matching transformers are used to convert 8 ohm, low impedance to 70 volt line high impedance. It is applicable for all types of multi-speaker installations. Two are required for stereo applications.
Specifications for 45-788 and 45-789:
Primary Tap Frequency Response (-2dB) Efficiency Terminal Secondary Tap	Common, (From Main Amplifier - 8 Ohms) 30-20,000 Hz 85% min. Solder-type 45-788 Common, 70 V (100 Ohms), 50 watts 45-789 - Common, 70 V (50 ohms),100 watts

Return to table of contents
You are visitor # to visit this page.