1932-03-03 — Page 6

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HONG KONG DAILY PRESS, THURSDAY, MARCH

SPARKS

FROM THE PLUGS

FAKING NOISES FOR railway noise is in another cciner "All the stuchos connected with

RADIO.

+

HOW IT IS DONE AT BROADCASTINC HOUSE.

Efforts, please!" I said to the commissionaire of Broadcasting House, and forthwith wa tras ported to the sixth floor, where, in the company of one of the men of the Effects Departinents, 1 wan- dered around the corridor to studio BD.

"Do you remember, said my gnidebar old effects studio cat side studio No. 9. in the basement of Savey Hilli”

Having nearly fallen in the hug wooden wath hath there, while listening to n even lower than usant effects record of gunfire I ra piled feelingly

Plenty of Space.

"There's more room in our, now headquarters," said the offsets man.

A drum ruck, a barrel organ, thunder shoot and water tank are also part of the quaint furniture in this room.

A new addition in a collection of compresseil air gadgets, hooters and fog horns. These are not axed yes nad the affecta men are new ex parimenting with various heights.

The height of this group of ap paracas is about s ft. 9 in above, the floor, in order to get the right amount of echo, but this can be variod.

A GOOD RADIO GRAMOPHONE.

Bund-pas tuning is employed. TO-DAY'S WIRELESS giving exceptionally fine selectivity. while its S.G. nnd pentode ensure plenty of punch. Q

A main agrial device is incor-

PROGRAMME.

porated so that no outdoor, or even | BROADCAST BY Z.B.W. ON indoor. meriad need be orected.

355 METRES.

Ons control switch enables the sot

gramo.

quotations. 11.30 am.Chinese programme, 10-European prograinme of Victor and H.M.V. records.

musical comedy and radio plays are on the sixth and seventh floors," said my guide and we went down in tho-lift gain to the ground floor of studio 16 and then along the H.M.V. MODEL 501. corridor, outside the studio well,

What does the term to the 6A studio, which "ja to bo

radio- used for musical comedy program-gnu" conjure up before you? A to be switched on and of, and 1 to 11.30 nm--Stock and exchange

Padio set with provision for w jmes,

long," medium" or Isked what the distinction | pisk-up "dr n. masive, piece of | phone be be used at will. might be bewoon musical comedy furniture incorporating somewhat, The circuit employed in "quite and vaudeville, and was told that elaborate radio-uum-olectric gramo straight-forward, the pick-up switch grdinary vaudeville turns requir phone mechanism, immagi ing few effects would be done in the thing like £10-£501 5 some leng arranged to plios the pick- p.m.-Local time and weather re-

up in the grid nircuit of the detec tor end, at this same time, to “dis" the cathode oirmait of the S.G. valve, so that nó radio shall bronk through

A volume limiting resistangs is used in series with the pick-up volume control, which is aanged with the radio control (s seréening- grid potentiometer device), so that. bad overloading by heavy paasuges on the record cannot take place.

As the equipment in this main basement vaudeville studios B and l If that is the pietura presented affects studio is not completed wo ; BA....

Vaudeville programuwa reby your memory, this brief article went through luto the ants-room quiring a lot of effects will be dons describing one of the latest radio- ¦ where there are the gramophones in the BA studio, that the pro-grabophones will make interesting Thin in studio E.

júucer will not be far from the roading.

A Fine Studio.

A semi-circular bench carries six | gramophone room. gramophone turntables and an ja j strament board with awitches and fader controls. There is. I under- stand to be a second bank of six gramophone aratables, in addition to the twin gramophone consoles in the two now studios.

Twelve Gramophones|"'

The gramophone in studio We entered the studio, and impedi will be used only for making effects ately his point was proved. Studio uoise, while those in the anaoun BD is one one of the double-deckersers' agadios will be for filling in taking up the sixth and seventh time between programme thurs of Brodensting House, and With twelve gramopunts for their is one of those which I saw in the rough plaster stage many months

igo.

Just why they have taken up

double-decker studio for effects only I do not know, but it seems vious that the Productions Depart ment sees a big feature for artificial noises in Broadcasting House pro

Krammes,

A great deal of the apparatus was being installed at the time of any visit and we mads a hurried in- section, my guide pointing out ad- ditions which would be made na

time went .cn.

"One reason for having a double height studie," he said. is that

TU

How it "Started; It is, perhaps, only logical that concern like The Gramophone I noticed that the decoration of Company, known all over the world the effenty studio is rather striking for the design and proliuction of and my guide told me

that the neoustig gramophones of all sizes scheme had been planned by Mr. and prices, should apply something Wells Coates, B.Sc., Ph.D. The of the same trend of design to the effects studio scheme is a little on mpre modern combined electrioul, the futuristic side and is certainly record reproducer and radio sot. a change from the effects-cum-tum- Following on its provious successes Eber room of Savoy Hill, which in the aoristio world, with its started out as a listening cabinet large, console machines, its table to No. 2 studio and which, little grands and inatly its portables the by little, was filled up with hooters, Gramophone Coin pany has rightly gramophone records, microphones followed precedent, and after the and other noise-producing miscel-production of one or two electrical lenes.

giants as tackled the design of By altering the microphone posi- something very much smaller. tions in studio eD," said my guide, The large H. M.V. radio-gramo we can get a fairly long period phones are not excessively large, The man in the ranaticnor are they over priced; they are echo control-room upstairs can switch, us excellent value for money, on to an echo room, if he wants a new ads are "tted with boom of the big drum, which imi- The gramophones consoles in the at longer echo. In this way the speeinl device which illuminates the tates heavy gunfire, seems to vibrato needle point at a distance of abous for nearly ten second." 3 ft. 4.

elusive wen the effects lakira ought to be alle ta make a useful amount uf none! They had only three turntables at Savoy Hill and even with hes they succeeded in setting standard for radio' noise pro dueers!

.

What about the little deer which where a radio play way going on you used to carry up to the studio

at Savoy Hill" I asked.

༞,

and it peneil of fight on to the Special high candle power bulbs reeds point, and as the electrial paratas in so far away from the magnete syst m of the pick-up thers Exclusively for Slamming!" should go interference we need the echo. The small single prins may be used for the

This You mean the little door which was slammed, instead of banging decker studios on this fear, such

effects gramophones, w the gramophone studio next door.

All the studies in the effects dethe studio depr," said the effects are too flat" acoustically spent partment are fitted with a rather the door and its framework were man. That was all very well, but ing."

novel microphone mounting, so that

so small that there was always themike" on be pulled out in chance of somebody kicking the any direction and remain automati enlly balanced without any further thing over in the hurry to get to the microphone. A special door adjustment.

has been built in to the corner of the effects room will pick up the studio dE, and the microphone in noise of this being slammed.

Getting Floor" Effects... Ho showed me first, the dust at one extreme corner of the room, along which all the microphone cables pas, and where the lines come in From the control-room and dramatic control panel to the effects

studio.

Then he pointed out how, in order to get special floor effects the roum had in one corner a concrete fer, and in another a wooden door. A heavy carpet envered another see-

tion. ""

Studio 6D is not the only effects room. Studio 7D, which is on the floor above, and is only, a single darker, will later on he fitted out with noise-producing apparatus. We climbed up the stairs to the eventh Hoor, but found that the new gear had not yet been installed.

All Connected by Phone, There is other gramophone

"That door is oxclusively for

lamming1"-C. in Poplar Wire

less.

port. 1.30 p.m.-Rugby Press news, mail

notice, ote. 2 p.m.-Close down.

to 3.18 p.m- 3 to 8 p.m.-European programme,

Operatic.

Song--" Tales from the Vienna

Woods"

(Betti - Skzonas - ka Forge)-Lucrezia Hari (Sop-. rana).-6800. ' Orchestral-“ Lobóngrin-Frelude"

(Wagner).-Philadelphia Sym- phony Orchestra.--6701. Sour-Martha-Like a Dream

(Flotow).-Tito Schißa (Tenor). -6870.

Shunt-fed transformer coupling between the detector and pentode valve is employed ac that good volume and pure reproduction are: obtained. The serened grið valve is choke coupled to the tuned grid of the detector, and one ganged. 5.18 to 5.45 p.m.-- three section

variable condenser

Romeo and Juliet" (Tschnikow- sky)-Overture. Philadelphia Symphony Orchestra under the direction of Leopold Stokowski. @000/4009:

bunes the band-pass and intervalve coils. A trimmer is provided for sharpening up the tuning, and is of gront assistance when tuning-in distant stations.. It operates as a 5,15 to 2.15 p.m.-Children's pro- series aria condenser. and

gramme from the Studio. affects the aerial had and therefore 7 p.m.-Stock quotations, mail no- the ganging accuracy of the band- pass unit.

B

But not everybody wants a full- Extra-loudspeaker" Sockets. blown cabinet radio-gram, and so

"Extra-loudspeaker" sockets are; very wisely, the H.M.V. engineer provided at the back of the instru-| put their aends together and said,ment so that extension leads to We'll do a sable_model;" same loudspeakers other than that in thing, after the style of our old the maching itself may be used, if woustic table gramophone.

And desired they have.

8.G., Det, and Pen. Iti commendably small, but this in no way means lows of efficiency. Its dimensions have obriously been feat down with a view to meet pre- sant day housing conditions, and for the benefit of flas users.

So that you may see at a glance the spoitration ad the instrument which eats 20 guineas-here it is in tabulated form. The instru

mont incorporates

three-valve

circuit, employing sereened-grid, detector, and pentode putput, and is available for either A.C. or D.C. mains.

It is contained, including moving-

coil speaker, in a cabinet that goes etaily on a small side-table.

sulin, too, on the seventh por, HAVE YOU HEARD THESE?

There is a big sable with a rotat-inmediately below the BE studio. ing top in the centre of the room 'Phine crmmunication between all and this carried what appeared to

le busts of litter but which, when

thrée is possible, but the operators

do not really need to know when

anwrapped, will be hand-made to courte in with each gramophone cffrets uppnrntub.

ret, because the man in the dramatie

There will be a strip of carpet † control-room on the eigthh floor can leading down to the wind machine, switch-in to any studio and control' that good old background to plays the effects. in which there is a storm serau. On This dramatic control studio, the concrete and wooden floors re- which is bulside the big military spectively there are two benches band room, ng the top of Brondeant- which will onery new apparatus for ing Housy, can control too studios making effects by electrical means, at a time-far more than are ever and a new gadget which was pro-likely to be used in may, one pro- duced in Savoy Hill for making 'gramme.

RADIO RECEIVERS

Let us demonstrate to you :---

The MARCONIPHONE

SUPERHETEROGRAM

The Radio Gramophone

A. C. Mains operated

KATA

Here are lists of long-wave and short-wave stations which should be ploked up by anyone in Hong Kong who has a mode- rataly good sat uitable for re- ceiving snob signals. Success ina picking up these stations also depends very largely upon fav- ourable atmospheric conditions. Readers are invited to add to this list should they succeed in, picking up any station not in- cluded in either of these lista.

WATE length.. (Metres) Station 900 Manila 277 Shanghai 845 Tokyo 363 Hiroshima J.O.F.K. 356 Hong Kong Z.B. W.. * 357.1 Bombay

LONG-WAVE STATIONS.

Call Sign

Kilo-

dyola

KZ.I.B., 1,182 K.8.M.S. 1,083 J.O.A.K. 870

850

846

V.U.B.

840

3.0.L.K. 830

J.O.D.K. 850 J.0.0.

810

370.4 Calcutta V.U.O. 380 Kumamoto, J.O.G.K 390 Sendai

395 Dairen

381 Sapporo 368 Keijo 370 Nagoya

The motor, a dise-driven indue. tion motor in the case of the A.C. į set, deserves spesial mention. It is perfect. And there is no vestige of ham or mechanical vibration when the motor is operating, matter of fact, the machine is com pletely bum free, except when in uss on mains serial, when a cortain amount of ham is noticeable, y

Ан п

tier, etc.

6.15 to. 7.10 p.m.***

Variety.

New

Victor

Records

FOR

FEBRUARY

TSANG FOOK PIANO CO.

Humorous Song-" Moscow.** Humorous

is Song – This Heaven Gucie Fields B3244. Seng Mammy is Gone." Song High Water Paul

Robeson (Bass).—B3008.

Want Humors Song- You

Lovin', and I Want Love," Humorous. Song" Spread a Fest Dark Shadows."—Ann Penn, B3240," Humorous Song- O'Hooligan's

Bali."

Humorous Song- Dolan's Poker Party-Frank Crumit-Ba234.

(Continued on Page 8.)

8, Des Vœux Road, Central

(Entrance Ice House Street)

Tolophone 24848

New Thrills for Radio Fans!

TWO OUTSTANDING "PILOT" SUCCESSES JUST INTRODUCED INTO THIS COLONY.

400 Oaks 410 Canton 480 Manila.

SHORT-WAVE STATIONS.

STATION

CALL BIGH

00.12 Khabarovsk (Eussia)R.A.97.

KILO

800.9 790 J.O:HK

770 J.Q.A.K. 760 J.O.B.K. 750 C.M.B. 782 K.Z.R.M. €25

Trx (FoxG KONG) OF WORKING

i

without a peer

67.65

Dobints (Germany)

A.F.E.

4,434 Mon., Wed & Fri., 6 p.m. & 2 4,0906--10 p.m......

'56.7 G0.

23.6

The "ELECTROTECH"

49.

Nauenw Mo300 Bome Perth

A.G.J.

5,291 Not regular

A.F.N.

6,000 Tea, Thurs., Sat., 8 pan.

1.M.A. G.4.G.

6.800 Bunday midnight.

7,143 Daily 6.80 p.m. & 11 p.m.

41,8

Singapore

4 and 6 valves Table Models.

A. C. Mains operated

with attachment for Gramophone pick-up.

The KING'

6 valves Table Models

88.8

Kootwijk (Holland)

P.C.L.

37.

Bangkok (Biam).

35.

Bydney

9.B..

*1.08 Melbomme

2.1.0.

81,48

Bahanectady

B1.20

Eindhoven (Holland) P..

31.28 Sydney

27.0.

81

Nairobi (Kenya)

ZL0.

0,077 Midnight daily

38.6

Bydany

2.M.E.

10,628 Not regalar

Bandoong

P.LF.

11,020 Midnight--8 a.m. daily

V.9.1.A.B. 7.310 Not regular

KSAPJ.

7,780 Daily [1

1 p.

3,108 Tues. & Fri., 0 p.m.-1.1.2.

1,380 Not regular

9,508. Not regular

W.1.X.A.F. 9,630 Daily 7 A

9,020 Fri. 3 am, Sat. 8 am, & 10a.m.

0,500 Net regular

27.8 25.68 Chelmsford (England) 5.8.W.

11,751 7.80 p.m. & &am, daily, except

Saturday and Sunday

16,102 Daily 6.80 p.m. to midnight 16,801 Dally 7 p..

17.280 Daily 8 p.m. to midnight.

EL.8.1.P.J. 17,761 Sundayi'7 p.m & midnight

A. C. Mains operated

24.0

with attachment for Gramophone pick-up

17.4

Manila 28.86 Schenectady

Boadoang 18.88

Kootwijk (Holland) 18.4

Bandoong

X.1.X.B.

12,240 Nightly

·

W.J.L.O.

12,860 4 Am. Wed., Fri., Bat.

P.L.G.

P.C.L.

PL.F

RUDOLF WOLFF & KEW, LIMITED ·

15.9 30,8:

Bangkok

Kootwijk (Holland)

10,74

Bandoong

F.C.K. P.LE,

19,390 Daily 6.80-7 p.m.

54, QUEEN'S ROAD, CENTRAL

14.5

Nangy (France)

10,361 Daily 8 am.

14.98.

Pittsburg

W.8.X.X.

21,540 Not regular

1ST FLOOR

W

18.404 Esch afternoon.

[Allowance must be made for "summertime" in most Euro- pean countries, which is one hour ahead of krom

PILOT

11-tube Super-heterodyne

N

ALL-WAVE

RECEIVERS

At last here is a radio set that will give you a world wide reception range.

By the mers flick of a switch you can select your radio entertainment from the wide, wide world-from England to Hong Kong. No coils to plug in— nothing to change. The Pilot ALL. WAVE Recoiver is simple 'to operate as an ordinary got!

PILOT

Short-wave Super-Heterodyna

CONVERTERS

The long-felt. need for converters has eventually been met. Your present long-wave radio set can now receive short-wave broadcasting from all over the world by the use of a Pilot Super- heterodyne Converter. Simple to use. Extremely low in prics. No meddling. ¡with your present receiver: necessary, Suitable for Atwater Kent and any modara receiver.

Call for an inspection To-day

THE SINCERE COMPANY, LTD.

Only--Authorized- and Accredited.

For B.--China

of Filot Radio and Tube Corporation Lawrence, Mass

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