IndexWiki homeTimelineSearchStatus

M605C — Audio Distribution Amplifier

Type module
Category AMPLIFIERS
Try it simulator & front panel · download package (zip)
Earliest dated evidence 1971|4 — estimate from a dated variant
Evidence from M605
Confidence family
Variants M605, M605A
Folder DOCUMENTS/Internal and Eng Notes and drawings/Quotations brochures and misc papers
Folder Modules/AMPLIFIERS/M605C

Connections

What it is made of and what it is part of.

Pinout & connections

No page of its own numbers M605C's contacts: these are its variant M605A's, drawn faded — not confirmed for M605C.

EDGE CONNECTOR · 1–19NUMBERED SIDE · AS ON M605A1: AUD J0 INPUT A PPEARS AT PINS audio in · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “Input The aud j0 input a ppears at Pins 1 and 9 0 f the modu ]e connector a nd enters the 8-116 amp] ifier card at pins 1 and 2 .”1AUD J0 INPUT A PPEARS …IN2: AUD J0 INPUT A PPEARS AT PINS audio in · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “Input The aud j0 input a ppears at Pins 1 and 9 0 f the modu ]e connector a nd enters the 8-116 amp] ifier card at pins 1 and 2 .”2AUD J0 INPUT A PPEARS …IN3456: AMPIFIER OUTPUT ORIGINAT ING FROM PINS 18 audio out · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0 f the modu ]e conne…”6AMPIFIER OUTPUT ORIGIN…OUT7: THREE LED INDICATOR CIRCUITS control / tally · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 19.jpg, p. 1 “WAAD-BECK SysteMs LTD_ CIRCUIT DESCRIPTION M605A AUDI0 DISTRIBUTION AMPLIFIER The three LED indicator circuits are packaged separately on a printed card , type…”7THREE LED INDICATOR CI…CTL891011121314: AMPIFIER OUTPUT ORIGINAT ING FROM PINS 18 audio out · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0 f the modu ]e conne…”14AMPIFIER OUTPUT ORIGIN…OUT1516: THREE LED INDICATOR CIRCUITS control / tally · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 19.jpg, p. 1 “WAAD-BECK SysteMs LTD_ CIRCUIT DESCRIPTION M605A AUDI0 DISTRIBUTION AMPLIFIER The three LED indicator circuits are packaged separately on a printed card , type…”16THREE LED INDICATOR CI…CTL1718: AMPIFIER OUTPUT ORIGINAT ING audio out · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0 f the modu ]e conne…”18AMPIFIER OUTPUT ORIGIN…OUT19: AMPIFIER OUTPUT ORIGINAT ING audio out · confidence variant (from a variant) prose · 19xx - DOC - US Sales Brochure pg 17.jpg, p. 1 “The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0 f the modu ]e conne…”19AMPIFIER OUTPUT ORIGIN…OUT
KEYIN audio inOUT audio outCTL control / tallyvariant
M605C — Audio Distribution Amplifierpins as on its variant M605A (not confirmed for M605C)M605CAUDIODISTRIBUTIONAMPLIFIERAUD J0 INPUT A P…1·2AMPIFIER OUTPUT …6·14AMPIFIER OUTPUT …18·19THREE LED IND… 7·16MADE OF · SUB-ASSEMBLIES (3)8-116Component Side Revision8-117Indicator Driver Component …8-118Aand Assembly Left Hanc Ass…

pinout (SVG) · connections (SVG) · pins (JSON)

Pin evidence — 8 contacts
PinSignalKindConfidenceRead fromSource
1AUD J0 INPUT A PPEARS AT PINSaudio invariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“Input The aud j0 input a ppears at Pins 1 and 9 0 f the modu ]e connector a nd enters the 8-116 amp] ifier card at pins 1 and 2 .”
2AUD J0 INPUT A PPEARS AT PINSaudio invariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“Input The aud j0 input a ppears at Pins 1 and 9 0 f the modu ]e connector a nd enters the 8-116 amp] ifier card at pins 1 and 2 .”
6AMPIFIER OUTPUT ORIGINAT ING FROM PINS 18audio outvariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0…”
7THREE LED INDICATOR CIRCUITScontrol / tallyvariantprose19xx - DOC - US Sales Brochure pg 19.jpg, p. 1
“WAAD-BECK SysteMs LTD_ CIRCUIT DESCRIPTION M605A AUDI0 DISTRIBUTION AMPLIFIER The three LED indicator circuits are packaged separately on a…”
14AMPIFIER OUTPUT ORIGINAT ING FROM PINS 18audio outvariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0…”
16THREE LED INDICATOR CIRCUITScontrol / tallyvariantprose19xx - DOC - US Sales Brochure pg 19.jpg, p. 1
“WAAD-BECK SysteMs LTD_ CIRCUIT DESCRIPTION M605A AUDI0 DISTRIBUTION AMPLIFIER The three LED indicator circuits are packaged separately on a…”
18AMPIFIER OUTPUT ORIGINAT INGaudio outvariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0…”
19AMPIFIER OUTPUT ORIGINAT INGaudio outvariantprose19xx - DOC - US Sales Brochure pg 17.jpg, p. 1
“The amp]ifier output originat ing from pins 18 and 19 0 f the amp] ifier card 8 - 116 is connected to the DIRECT output a t pins 6 and 14 0…”

Pictures

1971 - M605C - 605-01-004 - COMPARATORS OVERLOAD REF NORMAL REF.jpg1971 - M605C - 605-02-013 - SYSIEM WIRING FRAME LCAD.jpg1971 - M605C - 605-02-014 - ORN PA-EE MGOSC AUDIO DISTRIBUTION AMPLIFIER.jpg1971 - M605C - 605-06-008 - AUDIO DISTRIBUTION AMPLIFIER COMPONENT LAYOUT.jpg1971 - M605C - 8-116-06-001 - COMPONENI SIDE REVISION.jpg1971 - M605C - 8-117-06-003 - INDICATOR DRIVER COMPONENT LAYOUT.jpg1971 - M605C - 8-118-06-002 - RISHT HAND ASSEMBLY LEFT HAN.jpg1971 - M605C - WBSps - M605C - Manual and Schematic (10).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (11).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (12).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (13).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (14).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (15).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (2).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (3).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (4).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (5).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (6).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (7).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (8).jpg1971 - M605C - WBSps - M605C - Manual and Schematic (9).jpg1971 - M605C - WBSps - M605C - Manual and Schematic.jpg19xx - DOC - US Sales Brochure pg 23.jpg

Photos & scans (24)

Year File
1971|4 1971 - M605C - 605-01-004 - COMPARATORS OVERLOAD REF NORMAL REF.jpg note
1971|4 1971 - M605C - 605-02-013 - SYSIEM WIRING FRAME LCAD.jpg note
1971|4 1971 - M605C - 605-02-014 - ORN PA-EE MGOSC AUDIO DISTRIBUTION AMPLIFIER.jpg note
1971|4 1971 - M605C - 605-06-008 - AUDIO DISTRIBUTION AMPLIFIER COMPONENT LAYOUT.jpg note
1971|4 1971 - M605C - 8-116-06-001 - COMPONENI SIDE REVISION.jpg note
1971|4 1971 - M605C - 8-117-06-003 - INDICATOR DRIVER COMPONENT LAYOUT.jpg note
1971|4 1971 - M605C - 8-118-06-002 - RISHT HAND ASSEMBLY LEFT HAN.jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (10).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (11).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (12).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (13).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (14).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (15).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (2).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (3).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (4).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (5).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (6).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (7).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (8).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic (9).jpg note
1971|4 1971 - M605C - WBSps - M605C - Manual and Schematic.jpg note
? 19xx - DOC - US Sales Brochure pg 23.jpg note
? 19xx - M605C - DOC - US Sales Brochure pg 23.jpg note

Sub-assemblies & parts used (3)

Item What Family Year How we know
8-116 Component Side Revision Sub-assemblies (n-nnn) drawing filed with it
8-117 Indicator Driver Component Layout Sub-assemblies (n-nnn) drawing filed with it
8-118 Aand Assembly Left Hanc Assemely Sub-assemblies (n-nnn) drawing filed with it

From the manuals

Each manual split into its sections. Text that is the same in many Ward-Beck manuals (warranty, address, standard notes) is kept once on the Boilerplate page and linked.

Specifications (1)

Technical Data — 264 words · 19xx - M605C - DOC - US Sales Brochure pg 23.jpg, page 1

M605C AUDIO DISTRIBUTION AMPLIFIER Ga in: +18 to -6 dB continuously variab]e (Bridging Ga in) . Frequency Response: +0.2 dB from 20 Hz to 20 kHz . No ise: at maximum ga in : at unity ga in: 70 dB be low +8 dBm _ 85 dB below +8 dBm (20 Hz to 20 kHz ) L Harmonic Distortion: Less than 0 .

1% THD from 20 Hz to 20 kHz up to +24 dBm output Teve] with 4 isolated outputs s imultaneously driven . Input Level : -10 dBm to +14 dBm nomina 1 for +8 dBm output , +24 dBm maximum a t unity ga in. Input Impedance: 30 , 000 ohms or greater , ba ]anced . Source Impedance: 600 ohms or Tess , ba lanced .

Common Mode Rejection: 65 dB or greater _ Output Level : +8 dBm nomina ] . +24 d Bm maximum a t each output , up to 4 outputs maximum_ Output Impedance: 150 ohms resistive at each output, actively ba Ianced _ Load Impedance: 150 ohms ba Tanced for each isolated output_ Tota 1 minimum Toad impedance a t DIRECT output not to be Tess than 75 ohms _ Output Isolation: Phas ing : 45 dB or greater (30 Hz to 35 kHz ) The Tow termina ] number 0 f the input pa ir and the Tow termina ] number 0 f the output pa ir are in phase.

Power Requirements : 115 volts ac +10 % , 6 0 Hz , 20 VA _ Ambient Temperature: 0 to 60 degrees Celsius _

Drawings (7)

Each scan with its trace laid over it: the slider runs from the scan to the vector drawing. Click one to see it large and save it as SVG, DXF, KiCad, PDF or PowerPoint.

605-01-004 · functional · 1971|4
Comparators Overload Ref Normal Refviewer
605-02-013 · schematic · 1971|4
Sysiem Wiring Frame Lcadviewer
605-02-014 · schematic · 1971|4
Orn Pa-Ee Mgosc Audio Distribution Amplifierviewer
605-06-008 · component layout · 1971|4
Audio Distribution Amplifier Component Layoutviewer
8-116-06-001 · component layout · 1971|4
Componeni Side Revisionviewer
8-117-06-003 · component layout · 1971|4
Indicator Driver Component Layoutviewer
8-118-06-002 · component layout · 1971|4
Risht Hand Assembly Left Hanviewer

Read from the drawing title blocks.

Drawing Title Date Drawn by Checked by Iss. Source
605-01-004 Comparators Overload Ref Normal Ref PKM KR 3 file
605-02-013 Sysiem Wiring Frame Lcad file
605-02-014 Orn Pa-Ee Mgosc Audio Distribution Amplifier file
605-06-008 Audio Distribution Amplifier Component Layout file
8-116-06-001 Componeni Side Revision GEB (Gerry E. Bell) 8 file
8-117-06-003 Indicator Driver Component Layout P MAHONEL RC 8 file
8-118-06-002 Risht Hand Assembly Left Han GEB (Gerry E. Bell) RCL 2 file
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M605C.md