- PRACTICAL DECEMBER 1972 RELESS 20p FREE SCOPES COMPETITION 111 HEATMillmusi BE um m www.americanradiohistory.com MONARCH SAVE f3I.60 ON SPEAKERS R.S.C.STEREO PACKAGE OFFERS HIGH UNITS FIDELITY GOLDRING R.S.C. A55 PACKAGE PRICE FOR LOUDSPEAKERS PACKAGE PRICE FOR GL72 GARRARD 2025 ILLUSTRATED UNITS ILLUSTRATED UNITS ONLY OIILY£39.95 Carr. £99.95 1 6 £1.00 Or deposit £1500 and 12 monthly Or deposit 8895 and 9 monthly payments £8.00 (Total 811100) payment. 14-22 (Total 89498). Individual Rec. Retail Prices: 'SUPER 30' AMP L NEAR 505 MP Individual Rec. Retail Prices: GOLDRING GL72 Transcription Turntable + P.U. 881.89 LINEAR 505 6 + 5 Watt Amplifier .. .. 117.50 GOLDRING 0800 Magnetic Cartridge .. 112-21 GARRARD 2025 Autochanger + KS40A Cartridge .. 818.58 SEND S.A.E. FOR DE -LUXE PLINTH with 'Roll-over Cover .. 810-50 Teak Veneer Plinth with Transparent Plastic Cover.. .. 6 6-10 Pair R.B.C. MONARCH LOUDSPEAKERS .. 88870 Pair A53 LOUDSPEAKERS (Inc 8" x 5" 10,000 Ganes) .. £11-00 FREE COLOUR R.B.C. SUPER 30 Mk III AMPLIFIER .. 88875 BROCHURE TOTAL 613155 TOTAL .. £48.18 `YORK' HIGH-FIDELITY 3 SPEAKER SYSTEM HIGH FIDELITY LOUDSPEAKER UNITS_ * Moderate sise only 25 x 14 x loin. approx. Response 80-20,000 c.p.s. Cabinets latest style Satin Teak veneer., Acoustically lined or filled * COMPLETE KIT£23 acoustic damping. Ported where appropriate. Credit terms available. Impedance 15 ohms Carr. 65p 4( Performance comparable with units costing considerably more. DORCHESTER (Illustrated) Size 16 x 11 x 9in. aper.. Range 45-15,000 c.p.s. Rating 8-10 watts. High flux 13X8in. t Consiste of (1112in. 15 watt Baas unit with cast chassie, Roll rubber cone Fitted Dual Cone speaker. Imp. 3 or 1b ohms. Er7.4C Cart. 40p. l surround for ultra low resonance, and ceramic magnet. (2) 3 -way quarter Size 19X10X9in. approx. Rating 10 watts. Inc. 13x81n. speaker with section series cross -over system (3) 8 x Sin. high flux middle range speaker. MONARCH highly P.V.C. cone voice 10,000 line magnet. (4) High efficiency tweeter. (5) Appropriate quantity acoustic damping flexible surround, long throw coil and material. (8) Handsome Teak veneered cabinet. (7) Circuit and full instruc- High flux pressure tweeter. Handsome Scandinavian design cabinet. Range 35-20,000 c.p.e. Imp. 8 ohms. Gives smooth realistic sound output. tions. Terms: Dep. 84.60 and 9 monthly payments £2.47 (Total 82888). E19.35 DEMONSTRATIONS AT ALL BRANCHES See 'package offers' for illustration. Carr. 50p R.S.C. TAI2 MKIII 6.5+6.5 WATT STEREO AMPLIFIER RSC G66 MkII 6+6 WATT high quality STEREO AMPLIFIER FULLY TRANSISTORISED, SOLID STATE CONSTRUCTION HIGH FIDELITY OUTPUT OF 6.5 WATTS PER CHANNEL Individual Ganged Controls: Bass, Treble, Volume and Balance. Printed Designed for optimum performance with any crystal circuit construction employing 10 Transistors plus Diodes. Output or ceramic Gram. P.U. cartridge, Radio tuner, Tape rating I.H.F.M. Frequency range 20-20,000 c.p.s. Bass Control ± 12db. recorder etc. * 3 separate switched input sockets Treble Control ± 13db. Selector switch for on each channel * Separate Base and Treble controls * Slide Switch for mono use * Speaker Output P.U. or Tape/Radio. For loudspeaker out- 3-15 ohms * For 200.250v. A.C. maim * Frequency put impedances of 3 to 15 ohms. For Responee 20-20,000 c.p.s. -2dB * Harmonic Distor- standard 200-250v. A.C. mains operation. tion 0-3% at 1,000 c.p.s. Hum and Noise -70dB * Seneitivitiea (1) 50mV (2) 400mV Attractive Black and Silver finished metal (3) 100mV. Output rating I.H.F.M. * Handsome finish Facia plate R Knobs. facia plate and matching COMPLETE TS WITH FULLf r. Factory built with control knobs. 15.50411 12 r- 9.50 COMPLETE HIT OF PARTS INCLUDING WIRING DIAGRAMS kRINSTRIIINSTRUCTIONS. mthe guar Deposit and 9 mthly pymts £2 £2235). Or in Teak veneer housing FULLY WIRED PRINTED CIRCUIT and £3 15 (Total Dep. £3 .0 9 mthly payments £2.55 (Total £25 95). Send S.A.E. for leaflet. £23 comprehensive wiring t Carr. diagram and instructions L 1 I 50 40p Or FACTORY BUILT IN TEAK VENEERED CABINET as illustrated 81499 or HI-FI SPEAKER ENCLOSURES MODERN DESIGN dep. £2-20 and 9 monthly payments £1.70 (Total 61750). Teak veneer finish. Acoustically lined. Sizes approx. Carr. 33p. per enc. r JE8 Size 16 X 11 X 9in. SES For optimum perform- )ï{ÿl; AUDIOTRINE HI-FI SPEAKER SYSTEMS Pressurised. Gives pleasing ance with any 8in. Consisting of matched 12in. 11,000 line 15 Watt 15 ohm results with any Hi-Fi spkr. Size 22 £6.47 high quality speaker, cross -over unit and tweeter. Smooth 8in. Hi-Fi speaker. £5.35 x 15 x 9in, 1 response and extended frequency range Carr. SE12 For excellent ensure surprisingly realistic reproduction. £5.95 30p SE10 For outstanding results performance with 12in. OR SENIOR 15 INCLUDING r. with 10in. Hi-Fi Hi-Fi speaker and tweeter HF126 15,000 LI EAS PE £6 95 35p spkr. Size 24 X 15 Size x loin. P'td. £6.74 25 X 16 x 10}in. £7.87 AUDIOTRINE HIGH FIDELITY SPEAKERS Heavy conetructioo. I.ateet high efficiency ceramic magnets. R.S.C. BATTERY/MAINS CONVERSION UNITS Plasticised Cone surround. "D" indicates Tweeter Cone providing TYPE Bäl. An all -dry battery eliminator. Size 61 X41x2in. extended frequency range up to 15,000 c.p.e. Impedance 3 or approx. Completely replaces batteries supplying 15v and 90v, 8-15 ohms. PLEASE STATE CHOICE. to battery radio where A.C. mains 200/250v. 50c/e la available.bl Exceptional performance at low cost. COMPLETE KIT ASSEMBLEDED READY 13.15 HF808T 8- 10W £2.88 HF120D 12' 15W 8499 WITH DIAGRAM f3.ß5 USF 11F102D 10' 10W 63.40 HF126 12' 15W £5.75 11F120 12' 16W 2450 HF126D 12' 15W 8025 R.S.C. TA6 6 Watt HI-FI AMPLIFIER 200-250v. AC mains operated. Frequency Response 30-20,000 c.p.e. FANE 807T HIGH FIDELITY SPEAKER -2dB. Harmonic Distortion 0.3% at 1,000 c.p.s. Separate Bass and '. -ä, and cut' controls. 3 Input sockets for Mike, Gram, Radio KO A full range 81n. 10 watt Treble 'lift unit for excellent sound quality, in suitable Input selector switch. Output for 3.15 ohm spkrs. Max. sensitivity 5mV enclosure. Cast chassis Roll P.V.C. cone surround and long voice or Tape. throw I.H.F.M. Fully enclosed enamelled case, 99X21 x 51 in. Attractive coil to achieve very low fundamental resonance of 30 c.p.s. Tweeter Output rating brushed silver finish facia plate 101 x 301n. and matching knobs. cone le fitted to extend high note response. Frequency range 25 Hz to Complete kit of parts with full wiring diagrams and instructions. 15 KHz. Gauss 10,000. Impedance 3 or 8-15 n. £7.75 4011. PLEASE STATE IMPEDANCE WHEN ORDERING f3.85 OR FACTORY BUILT WITH 12 MONTHS' GUARANTEE £10.95 FULLY GUARANTEED. Impregnated and Interleaved where necessary. SELENIUM R.S.C. TRANSFORMERS,L.F. CHOKES & RECTIFIERS Prima les 200-250v. 50e!s. Screened RECTIFIERS MIDGET CLAMPED TYPE 21 x 21 x 2}In. TOP SHROUDED DROP-THRO' TYPE CHARGER TRANSFORMERS 0-9.15v. 11a. 99p, F. W. (Bridged) 250v., 60mA, 6.3v. 2a 99p 250.0-250v. 70mA, 6.3v. 2a., 0.5.6 3v. 2a. £1.35 24a. 61.10; 3a.£125; áa.81.45; Sa.li-65; 8a.82.00 All 6112v. D.C. 250.0.250v., 60mA S -3v 2a £1.05 250-0-250v. 100mA, 0.3v. 3.5a. 81.55 AUTO (Step UP/step DOWN) TRANSFORMERS output. Max. A.C. 200-230.250v. 50-80 watts 61 10, 250-0-250v. 100mA, S.3v. 2a., 6.3v. a. 21.60 0-110/120v. input 18v. la, ß6D. 250 watts 500 watts £5 75 FULLY SHROUDED UPRIGHT MOUNTING 360-0.350v. 80mA, 6.3v. 2a., 0-5-6- v. 2a 81.66 150 watts, 11-90 82.75; la, 85p. 3a, 60p. 4a, 250.0.250v. 60mA, 6.3v. 2a., 0.5-6-3v. 2a. 81.40 250.0.250v. 100mA, 6.3v. 4a., 0.5.0.3v. 3a 82.20 OUTPUT TRANSFORMERS 65p. 6a, 80p. 250.O.280v. 100mA, 8.3v. 4a., 0-6-6.3v. 3a. 22.20 300.0-300v. 100mA, 6-3v. 4a., 0.5.6.3v. la £2.20 Standard Pentode 5.000 0 or 7,000 n to 3 n 60p 300-0-300v. IOOmA, 8-3v. 4a., 0-6-0.3v. 3a. £2.20 300.0.300v. 130mA, 6.3v. 4a., c.t. 6- v. la. Push -Pull 8 watts EL84 to 3 nor 1a n.. 8311 SMOOTHING 300-0.300v. 130mA, 0 -Iv. 4a. c.t., 6.3v, la. Suitable for Mollard 510 Amplifier 8260 Push -Pull 10 watts OVO, ECL80 to 3.2,8 or CHOKES 320.0-350v. 100mA, 6.3v. 4a., 0.5.6- v. 3a. 82.20 61 37 For Mollard 510 Amplifier 22.65 16 n 150mA, 7-10H, 250 350-0.350v. 100mA, 6.3v. 4a., 0 5-6.3v. 3a. 350.0-350v. 150mA, 6.3v. 4a., 0.5.6.3v. 3a. 82.60 Push -Pull EL84 to 3 or 15 n10-12 watts £1 35 £2.20 L-2 70p; 100mA, Push Ultra Linear for Mullard 610, etc. £220 350-0.350v. 150mA, 6.3v. 4a., 0.6-6.3v. 3a. 62.85 -Pull 1011, 200 n 60y: 4215-0.425v. Push -Pull 15.18 watts, sectionally wound 200mA, 6.3v, 4a., c.t., 8v.