M465 — Reverb Module

4-109 AMPLIFIER SERIES The 4-109 series of amp] ifiers are printed circuit board units which are utilized a $ an interna ] component in certain Ward- Beck Systems modules Each 4-109 amp]ifier mounts a$ plug - in unit on the modu ]e motherboard The 4-109 amp]ifier provides an actively ba lanced output with +28 or +30 dBm capability and is emp1 oyed as an output or booster amp]ifier with either an unba lanced or balanced input The fo]lowing specifications apply to the 4-109 amp]ifiers Unit INPUI GAIN MAX OUTPUT 4-109 4-1094 4-109B 4-109C 109D 4-109E 4-109F 4-109G Ba lanced Unba Tanced Ba ]anced Ba lanced Unbalanced Ba ]anced Ba Tanced Ba Tanced 15 dB 7 dB 18 dB 39 dB 29 dB 29 33 dB 23 dB +30 dBm +30 dBm +30 dBm +30 dBm +28 dBm +30 dBm +30 dBm +30 dBm Frequency Response: +0 .2 dB from 20 Hz to 20 kHz _ No ise: ~110 dBm EIN from 20 Hz to 20 kHz .

Harmonic Distortion: Less than 0 .25% THD from 20 Hz to 20 kHz at maximum output (typically 0 . 02% ) Output Impedance: Load Impedance: Power Requirements : Less than 100 ohms 600 ohms +21 .5 volts dc , 18 ma quiescent current , 95 mA at +30 dBm output into 600 ohms Toad , Ambient Temperature: 0 to 60 degrees Ce]sius .

Dimensions: 3. 25" X 3.38" X 0.57" (83 Mm X 86 mm X 15 mm ) _ 4-109-1-1

MFG MFG PART NUMBER R27 Resistor sw 5% 2K4 Philips WBS recommends the use 0 f replacement parts made by the specified manufacturers for continued optimum equipment performance 4-109-2-5

101465 REVERB MODULE

Ga in :

Retu rn: 15 dB :!:O.S e a. Send: JJdB :!:O. S d B.

f reque ncy Response: :!:O .2S dB froll 20 Hz to 20 kHz.

ac t se : Return: 80 ee SIN Send: 8SdB SIN (2 0 Hz to 20 kHz) be lo w nOMinal operating signal l evel.

Har Monic Distortion :

Retu rn: less than 0.25t THO frO M 20 Hz to 20 kHz at +24 dBIlI output o r less. less than O. ll at I kHz at +24 dB.. output or less. Send: less than 0.2St THO frollZO Hz to 20 kHz at +24 dB. output or less . less than O. ll at 1 kHz at +24 dBlloutputo r less.

Source Impedances: 60 0 ohm or l e s s , balanced.

Input t e pe dences : 600 ohm, balanced.

Input levels: - 10 dBM nominal, +30 d8111 maximUIII.

Outpu t t erpe dance s : Return: less than 200 ohm, b ala nc ed. Send: 600 ohm , ba la nce d. a .c ps

load I mpedances: BS

Re t urn : 3,000 oh m mi nim um, eac h o ut pu t, ba l an c e d. Send : W

600 o hm, balanced . :// tp ht

I-I

WA FI O- B EC K SYSTEMS L T D

1'4465 REVERB MODU LE

Out put Le vel s: Ret urn: ~ 10 dB. no _i ne 1 . t 2B dBII'I lIi Xll1UIII . Send: t B d B_ no. i na l, t24 dB. lIi Xil1 UIll .

Phasing: I npu t and output t e rlli nals designated by nu abe r s a re in ph ase.

Powe r Requi r ements: !25 vo lts ec , 50 mA nominal, 100illA maxim um. 24 volts . 50 rnA.

Amb i e nt Tempe r a tu re : 0 t o 60 de gr e es Cels i u s.

a t e e ns t c ns . 1. 6 " wi d e X 7 ' h ig h X 6. 5 " dee p ( 4 1 mm X 1 78 mm X 165 mm).

a .c ps BS W :// tp ht

WAR o ~ e E CK S YS T EMS LT O

M465 REVERB MODULE Ga in: 3_ Return: Send: 15 dB +0 .5 dB _ 33 dB +0 .5 dB ; t +0 .25 dB from 20 Hz to 20 kHz . o { . Frequency Response: Noise: Return: Send: 80 dB S/ N 85 dB S/N (20 Hz to 20 kHz ) be ]ow nomina] operat ing s igna ] Teve 1 Harmonic Distortion: Less than 0 .25% from 20 Hz to 20 kHz at +28 dBm output Teve 1 or Tess Less than 0 .

1% at kHz at +28 dBm output_ Source Impedances : 600 ohm or Tess , ba lanced Input Impedances : 600 ohm , ba Tanced _ Input Levels: 10 dBm nomina ] +30 dBm maximum. Output Impedances : Return: Send: Less than 200 ohm, ba lanced 600 ohm , ba lanced Load Impedances Return: 3 ,000 ohm minimum , each output , balanced _ 600 ohm , ba lanced .

Output Levels: Return: Send: -10 dBm nomina] , +30 dBm maximum_ +8 dBm nomina ] +24 dBm maximum_ Phasing: Input and output termina] s desi gnated by numbers are in phase _ 1-1

M465_REVERB_MODULE Ga in: Return Send 15 dB +0.5 dB 33 dB +0 .5 dB Frequency Response +0.25 dB from 20 Hz to 20 kHz Noise: Return Send dB S/n 85 dB S/n 20 Hz to 20 kHz ) be ]ow nomina 1 operating gna Ieve1 Harmonic Distortion: Return Less than 0. 258 THD from 20 Hz to 20 kHz 24 dBm output Tess Less than 0 .1~ at kHz +24 dBm output or Tess Less than 0 .

258 ThD from 20 Hz to 20 kHz t +24 dBm output or Tess Les s than 0 . 18 at kHz at +24 dBm output or Tess Send: Source Impedances 600 ohm or Tess ba Tanced _ Input Impedances : 6 00 o hm , ba Tanced _ Input Leve 1 s 10 dBm nomina] +30 dBm maximum. Output Impedances Return Send Les than 200 ohm ba ]anced _ 600 onm, ba lanced Load Impedances Return Send 000 ohm minimum each output , ba lanced 00 ohm, ba anced 1 -1

M465 REVERB MODULE The M465 REVERB MODULE is designed to be used in conjunction wi th an externa] reverberation chamber The module is divided into REVERB SEND (RS) and REVERB RETURN. (RR) section. Reverb Send Originating from the Reverb Send mixing bus the signa 7 enters the module at pins 6 / F The potentiometer R1/ R2 serves as the RS MASTER Teve1 contro] The 4-109C Booster Amp]ifier raises the combined or mixed $ igna] to standard Tine Teve] A VU-Meter is connected to the output 0 f the 4-109C Booster Amp]ifier It is calibrated to read 0 vu with pins 4/ D and/or 5/E terminated into 600 o hm and producing an output Teve1 0 f +8 dBm Switch SW5 a ]ows t0 feed the pre-fade Reverb Send s igna ] to the SOLO output at pins 9/K .

Reverb Return The Return s igna ] from the reverberation chamber is applied to pins 15/S From here it continues to the RR on switch SW7 A Fader Insert is provided between pins 13/P and 12/N_ The 4-109 Booster Amp]ifier recovers the nomina] 15 dB in-hand' Toss incurred by the fader and develops sufficient additiona] power to drive the PAN and output circuitry _ The output s igna ] 0 f the 4-109 amp] ifier is routed via PAN switch SW3 and PAN contro] RS through R8 to the LEFT and RIGht outputs at pins 16/T and 17/U res pectively .

In addition, DIRECT output is provided at pins 11/M. A FOLDBACK output is made ava i ]ab ]e at pins 8 / J , Switch SW6 facilitates pre-fade or post-fade source se] ection for the FOLDBAck output Potentiometer R3/R4 serves a$ the FOLDBACk Teve] contro] fo]]owed by switch SW2 SW4 switches the pre-fade Reverb Return s igna ] to the SOLO output 2 -1

M465 REVERB_MODULE The M465 REVERB MODULE is des igned to be used in conjunction with a n externa reverberat on chamber The module is divided into REVERB SEND (RS) and REVERB RETURN (RR) sect on Reverb Send Originating from the Reverb Send mixing bus the igna ] enters the modu]e at pins The potentiometer R1/ R2 serves a5 the RS MASTER Teve contro] The 8-109C Booster Amplifier raises the combined or mixed signa to standard ine Teve] vu Meter is connected to the output 0 f the 8- 109C Booster Amp Tifier It 15 ca]ibrated to read vu with pins 4/D and/or 5 / E terminated into 600 o hms a nd producing an output Teve1 0 f +8 dBm Switch SW5 a ] lows to feed the prefade Reverb Send s igna 1 the SOLO output at pins 9/K _ Reverb_Return The Return s igna 1 from the reverberation chamber applied to pins 15/5 From here Tt continues to the RR On' switch SW7 Fader Insert is provided between Pins 13/ and 12/N= The 8 - 109 Booster Amp ifier recovers the nomina1 15 dB in-hand loss incurred by the fader and deve 0 ps sufficient additiona power to drive the PAN and output circuitry.

The igna of the 8 - 109 amp] ifier routed via PAN switch cutgu: a nd PAN contro] R5 through R8 to the LEFT and RIGHT outputs at pins 16 /T and 17/U respectively _ In addition , DIRECT output provided at pins 11/M_ FOLdBAck output made ava i ]ab ]e pins 8/J _ Switch Sw6 facilitates prefade or postfade source selection for the FOLDBACK output otent ometer R3 / R4 serves as the FOLDBAcK Teve contro fo]lowed by switch SW2 SW4 switches the prefade Reverb Return $igna] to the SOLO output.

2

M465 REV ERB MODULE

PART OESCRIP TION 'FG MFG PART NUMBER C1 CIPI;ltor ZZ uF!Z5 Y Ph!lip s 4Z6£!FZZ C2 C3 CO

CRI Diode Mot o r ola l N40D3

'" CR3 CR' OSZ light Bulb. Z8 V 387 'I Meter. vu Bacll -S1 _pson 154211-2K132·6 01 Tran~1s tor Na:~ tcn e 1 PN3569 Q2 PN36 45 OJ Te~ a: s TI PZ9 B 0' T1P30 B OS Mltlo na:l PN3569

O' PN3M5

'1) Po te nt t oee t e r AlB NBS 10-012 R2)

RJ) R4) Potentio~eter AlB NBS 10-00 4

RS) R6) Potentiometer AlB NBS 10-002 '7) RB)

Res i ~ tor ~ II 51 del~te " .10 " Rll Ph1 lip s a

5 .' .c

. 12 5.' ps

RlJ dele te BS

", W

Rl5 2 20 .16 ://

220 .R17 del ~te tp

"8 ht

J -I

W A R D- B E C I< SYS T E M S LTO

8-1 09 AMPLI FIE R SERI ES 8 -109

PART DESCRI PTION " G MFG PART NUMB ER Cl Cl p l ~ l t or 33 ur /lO Y Ke:e t T390D3~6 "0 10AS C2 C3 10 ur n S Y T390CI26M OZ5AS C4 CS 4 . 1 pF Ph ili ps ZZZZ-638-09 418 co 15 p F ZZZZ- 638 -10 159 C7 10 pF ZZZZ-638- 10 10 9 C8 68p F Z222-6 38 -10 689 co 10 uF/Z 5 Y Keme t T390 CI 0 6H0 25AS ClO 4 .1pF Ph fl i ps 22 2 2- 6 38 - 0 9418 Cll 15 pF Z222-6 38 - 10159 C12 10 pF 22 22- 6 38 - 10 109 C13 68pF Z2Z2- 638 - 706 89 C14 10 uF/ 25 Y K e ~e t T39 0C106MOZ5AS CIS 220 u F/l O Y T390 F227HOI OAS C16 C17 del ete

CRl Dlo d: flf r ch lld 1H~ 148 CO2 cea '" Ql Tran~htor h!ional PN3569 QZ PH3645 Q3 ZlfZ10Z

" OS ZH4037 PN3569 a

QG. PM3645 .c

Q7 2N2102 ps

Q8 2N403 7 BS

m W

'1 Res 1 ~ to r "'W 51 Ph!11 ps m ://

02 'K> tp

OJ ht

8- 109 -Z-1

8 - 10 9 AMPLIFIE R SERI ES

All pl rt s IS per 8-109 e xc e p t IS no t e d b el o~

PART

M465 REVERB MODULE PARI DESCRIPIION MFG MFG PART NUMBER R19 R2O R2 1 R22 R23 Resistor SW 5% 390 390 390 390 15K Philips 6 ;4 { t 7. R24 R25 R2 6 R27 R28 15K 15k 15K 300 300 " .3. {. 1 ~ R29 R30 R31 R32 R33 300 300 15K 15K 2K :.<. R34 R35 R36 R37 R38 2K7 2K Trim pot Resistor 4W 5% 620 620 Piher Philips PT 10V 5K R39 R4O R41 R42 R43 470k 15K 15K 5 5 .

6 3416 [ _ '` '^ R44 R45 5 . 6 5 _ 6 SWI SW2 SW3 SW4 SW5 Switch delete Schadow WBS 11-006 WBS 11-002 WBS 11-004 WBS 11-002 SW6 Sw7 WBS 11-005 SB2310 Pendar 3-2

4-109 AMPLIFIER SERIES 4-109 PART DESCRIPTIOn MFG MFG PART NUMBER RI R3 Rs R6 R7 R8 R9 R]0 Resistor Xw 5% 47k 47K 6K2 6K2 6K2 Philips 6K2 18K 18K 820 10 RI I R12 R13 R14 RI5 16k Delete 2k 15K 47K R16 R17 RI8 R19 R20 1K 470 270 15 270 SW 5 4W 5 % R21 R22 R23 R24 R25 'W 5 % %W 5 % 15 470 4K7 15k 47K ^: R26 R27 R28 R29 R30 1K Delete Delete 16K 2K R31 R32 R33 R34 R35 10 15k 47K 1K 470 4-109-2-2