Rolls RA170 User's Manual
Contents
1. Impedance 47kQ Size W x H x D 19 x 1 75 x 5 48 x 4 5 x 12 7 Weight 5 5 Ibs 2 5 kg SCHEMATIC RCA PC oa HA p1 1U RA235 1UF RA170 Wie ae R2 ie CHANNEL HONE 1 4 Po 3 paa l Tozar YY IN SERIES WOUTPUTS RAT7OONLY R5 c5 li i 10K op aie lee I E gt RED a RA On ne ee ae ee S aX Core AE O E GUN o c irou a L HDR L hi aK wr eee ee ce Raza5sonLy RGAPC fu a i PR HE V CHANNEL 2 P100K er 3 Sa Lal f PHONE 1 4 3 ig amp umse7s Le sz Reet Reais Spas i 220PF t ce R 7 See See da Ee SSG aes je 40K OUH APF ji A CLIP early or RED o a aK Ds es 1K BLK lt Ir 4 s c10 FAR a F OF R13 1 2 00 4880 o o CP8010 o SW SPST AC 4 22K L Soour bert eT 2 1 D1 BR1 LDRR S a Jic N ROLLS CORPORATION 7 4700UF a c3 5143 South Main Street 503 t Salt Lake City UT 84107 t c12 Title RA170 RA235 POWER AMPLIFIERS V 503 Document Number Size pa Ra23as scH REVp AC PLUG 9 Date 11 May 1999 Sheet1 of 12. LIMITED WARRANTY This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installation use and service for a period of one 1 year from the date of purchase as shown on the purchaser s receipt The obligation of Rolls Corporation under this warranty shall be limited to repair or replacement at our option during the warranty period of any part which proves defective in material or workmanship under normal installation use and service provided the product is returned to Rolls Corporation TRANSPORTATION CHARGES PRE PAID Products returned to us or to an authorized Service Center must be accompanied by a copy of the purchase receipt In the absence of such purchase receipt the warranty period shall be one 1 year from the date of manufacture This warranty shall be invalid if the product is damaged as a result of deface ment misuse abuse neglect accident destruction or alteration of the serial number improper electrical voltages or currents repair alteration or maintenance by any person or party other than our own service facility or an authorized Service Center or any use violative of instructions furnished by us This one year warranty is in lieu of all expressed warranties obligations or liabilities ANY IMPLIED WARRANTIES OBLIGATIONS OR LIABILITIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
3. SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY EXPRESSED OR IMPLIED WHATSOEVER Some states do not allow the exclusion or limitation of special incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state L I ROLLSI d ROLLS CORPORATION SALT LAKE CITY UTAH 6 99 L I ROLLSI 7 RA170 70 VOLT 70 WATT POWER AMPLIFIER VOLUME 70 Volt Power Amplifier RA170 OWNERS MANUAL INTRODUCTION Thank you for your purchase of the ROLLS RA170 70 Volt 70 Watt Power Amplifier The RA170 is a virtually indestructible single rack space amplifier intended for the contractor and install market It requires no transformer coupling to drive 70 volt speakers directly The mono unit features both RCA and 1 4 inputs The 70 volt speaker outputs are provided via spring loaded terminals DESCRIPTION FRONT PANEL 70 Volt Power Amplifier RA170 VOLUME This control adjusts the output level of the RA170 PWR LED indicating the units power status CLIP These LEDs light in th
4. e event of RA170 circuit overload REAR PANEL O sematnumseR SPARE l 20 vac yoo He 15 VA TROLLS mooeLRao a TOV OUTPUT r O 120 VAC 50 60 HZ 15 VA Power Cord Connect to a properly grounded AC source 70V Output Spring loaded terminals to be connected to 70 Volt speaker connec tions No special transformers are required SPARE 1 4 and RCA jacks These are not connected MAIN INPUTS 1 4 and RCA jacks to be connected to line level signal to be amplified Note Do not use both jacks simultaneously as both jacks are tied directly together BURN WARNING THE FRONT PANEL OF THE RA170 IS THE HEAT DISTRIBUTION FOR THE OUTPUT STAGE IF THE UNIT IS OPERATED AT HIGH VOLUMES IT MAY GET HOT INSTALLATION eae Mount the RA170 in a safe and sturdy rack Connect the output of the signal source to the selected input of the RA170 Connect the 70V Output terminals to the 70 volt speakers Plug the AC cord into a properly grounded AC outlet Send signal to the RA170 and adjust the VOLUME control for a comfortable listening level SPECIFICATIONS Recommended Load Frequency Response 70 Volt line 70 Watts maximum 70Hz to 20 kHz Equiv Input Noise 100 uV typical A weighted 600 Q input S N Ratio 114 dB 70 Watts Gain 40 dB Input
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