• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

Project: Kenwood Super Eleven

Super Noob

Super Noob

Super Member
Am still keeping the solder flowing... however, am not documenting as much anymore. Am busy with work and life, but I picked up a monster locally a few months back. Paying up is just what you have do nowadays. I have plenty of Kenwood gear: 8050, 8010, 9G, 8100... and have spend time redoing a 3500 and 7100.

What you should know, I like Kenwood. This rig is the largest physical size unit that I own... it is huge. Part of the "box of air" design. It was working if I recall but needed some cleaning of the interior, exterior, and controls.

~45 lb.
125 WPC / RMS @ 8 o ohms from 20 Hz to 20,000 Hz with no more than 0.02% total harmonic distortion
~1980
Believe most of these were purchased by military personal during time spend overseas?

Here is how she landed in the garage.
Dirty / one of the compensation (EQ) sliders missing cover and broke.
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Lets get this party started.
 
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Power Amp (X07-1810-80)
Capacitors: Schematic
C5 100 uF 10v Electro (CEA) UPW2A100MED 100 uF 16v
C6 100 uF 10v Electro (CEA) UPW2A100MED 100 uF 16v
C7 3.3 uF 50v Electro (CEA) MKS2B043301H00KSSD 3.3 uF 50v
C8 3.3 uF 50v Electro (CEA) MKS2B043301H00KSSD 3.3 uF 50v
C17 1 uF 100v Electro (CEA) MKS4D41003F00KF00 1 uF 100v
C18 1 uF 100v Electro (CEA) MKS4D41003F00KF00 1 uF 100v
C25 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C26 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C27 47 uF 100v Electro (CEA) UPW2A101MHD 100 uF 100v
C28 47 uF 100v Electro (CEA) UPW2A101MHD 100 uF 100v
C29 47 uF 100v Electro (CEA) UPW2A101MHD 100 uF 100v
C30 47 uF 100v Electro (CEA) UPW2A101MHD 100 uF 100v
C41 220 uF 16v Electro (CEA) UPW1E221MPD 220 uF 25v
C42 3.3 uF 50v Electro (CEA) MKS2B043301H00KSSD 3.3 uF 50v
C44 47 uF 16v Electro (LL)) UKLE470KEDANA 47 uF 25v
C46 10 uF 25v Electro (NP) UES1V100MEM 10 uF 35v
C47 4.7 uF 25v Electro (NP) MKS2C044701M00JO00 4.7 uF 63V
C48 47 uF 16V Electro (CEA) UPW1E470MDD 47 uF 25v
C49 47 uF 25v Electro (CEA) UPW1E470MDD 47 uF 25v
C50 47 uF 25v Electro (CEA) UPW1E470MDD 47 uF 25v
C51 3300 uF 16v Electro (CEA) UPW1C332MHD 3300 uF 16v
C52 1000 uF 10v Electro (CEA) UPW1C102MPD 1000 uF 16v
C58 10 uF 16v Electro (CEA) UPW1E100MDD6 10 uF 25v
MAIN Filters (two) 10000 uf 71v Electro (CEA) ALS70A133KE100 13000 uF 100v
Bypass Caps Qty (2) ECW-FD2J155J 1.5 uF 450v

VR1 Offset 100 ohm VR (multi turn) PV36W101C01B00
VR2 Offset 100 ohm VR (multi turn) PV36W101C01B00
VR3 Bias 100 ohm VR (singe turn) 3386Y-1-101LF
VR4 Bias 100 ohm VR (singe turn) 3386Y-1-101LF

Diodes
D1-D2 EQA-01-05(S) 5v, 1/2 Watt NZX5V1B,133 5v, 1/2 Watt, Zener
D3-D6 1N60 Germanium Retain
D7-D8 1S2076 150mA / 30v 1N4148 200mA / 100v
D15-D18 1S2076A 150mA / 60v 1N4148 200mA / 100v
D19-D21 1S2076 150mA / 30v 1N4148 200mA / 100v
D22 W06B .75A / 100v 14004G 1A / 400v
D23 WZ-162 16.2v, 1/2 Watt BZX79C16-T50A 16v, 1/2 Watt, Zener
D24 WZ-197 19.7v, 1/2 Watt BZX55820-TAP 20v, 1/2 Watt, Zener
D25 W06B .75A / 100v 14004G 1A / 400v
D26 W06B .75A / 100v 14004G 1A / 400v
Relay (DEC) MS4U-24V MY4-02-DC24 (Omron)

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Added bypass cap on the bottom of filter (like always)... however not pictured.
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Noted that the relay was not a direct replacement... wired a bit different than the omron, but I worked around this.
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AM-JKLUAz4hpo4fbc19Bt-yhl5mxHOghnsGD4zJfTrxGjwZRQkSYfsspML-1wOnaK0OXMv007xy4dcd8n2tW2Lep8nXbLaFbjPM9gF1djdFAyjBMSTDdSFSyq9P6txKpwdSGrNNIvWIbA7QCcISx7yDY1XeF=w462-h615-no


Was consider this replacement... but the amp rating was slightly less the combined contacts.
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AM-JKLUWca2TFciiD80LUHDOVXnz-wearab3843VHSZfSVrAHi26rJpyo0IdhRORIQBvbvo5MuMAA2I5ofplX_mpYElukBg8F18lBffyS94JoVG82VKHtz0wH3_EsX4acUub-KouGB3pZ08K3TWb0OJbc-EH=w820-h615-no

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That should do just fine.
 
Control Amp (X11-1610-80)

Capacitors:
C1 2.2 uF 35v Electro (LL) UES1H2R2MDM1TD 2.2 uF 50v
C2 2.2 uF 35v Electro (LL) UES1H2R2MDM1TD 2.2 uF 50v
C5 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C6 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C13 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C14 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C19 0.47 uF 50v Electro (LL) MKS2D034701E00JI00 0.47 uF 100V
C20 0.47 uF 50v Electro (LL) MKS2D034701E00JI00 0.47 uF 100V
C23 0.22 uF 50v Electro (LL) MKP4F032203G00JSSD 0.22 uF 100V
C24 0.22 uF 50v Electro (LL) MKP4F032203G00JSSD 0.22 uF 100V
C61 33 uF 50v Electro (CEA) UKA1H330MDD 33 uF 50v
C62 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C63 100 uF 10v Electro (CEA) UKA1C101MDD 100 uF 16v
C64 47 uF 25v Electro (CEA) UKA1V470MDD 47 uF 35v
C65 47 uF 10v Electro (CEA) UKA1E470MDD 47 uF 25v
C66 33 uF 50v Electro (CEA) UKA1H330MDD 33 uF 50v
C67 1 uF 50v Electro (CZZA) R82DC4100DQ60J 1 uF 63v
C68 47 uF 16v Electro (CEA) UKA1E470MDD 47 uF 25v
C69 33 uF 50v Electro (CEA) UKA1H330MDD 33 uF 50v
C70 1 uF 50v Electro (CZZA) R82DC4100DQ60J 1 uF 63v
C71 47 uF 25v Electro (CEA) UKA1V470MDD 47 uF 35v
C72 1 uF 50v Electro (CZZA) R82DC4100DQ60J 1 uF 63v
C73 47 uF 16v Electro (CEA) UKA1E470MDD 47 uF 25v

Diodes:
D1 EQA01-10(R) .25w / 9-10V Zener NZX9V1E,133 .5w / 9.5V Zener
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Bought a SX650 a year or so ago just for the case. It had blown main filters and was just used for it's shell on 750 project. Used my dremel to transplant a pioneer toggle arm to the broken compensation slider. Not too bad!
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Obviously... cleaning switches was part of the process.
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Last edited:
Switch (X13-2790-80)
Capacitors:
C1 0.22 uF 50v Electro (LL) MKP4F032203G00JSSD 0.22 uF 100V
C2 0.22 uF 50v Electro (LL) MKP4F032203G00JSSD 0.22 uF 100V

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Reverb (X14-1170-80)
Capacitors:
C1 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C2 47 uF 10v Electro (CEA) UKA1C470MDD 47 uF 16v
C6 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C7 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C8 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C9 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C10 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C11 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C17 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C18 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C19 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C21 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C23 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C29 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C30 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C31 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C32 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C33 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C34 47 uF 10v Electro (CEA) UKA1C470MDD 47 uF 16v
C35 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C36 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C37 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C38 47 uF 10v Electro (CEA) UKA1C470MDD 47 uF 16v
C39 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C40 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C41 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C42 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C43 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C44 3.3 uF 50v Electro (CEA) UKL1H3R3MDD 3.3 uF 50v
C45 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C46 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C47 220 uF 16v Electro (CEA) UKA1E221MPD 220 uF 25v
C48 100 uF 16v Electro (CEA) UKA1E101MED 100 uF 25v
C49 100 uF 16v Electro (CEA) UKA1E101MED 100 uF 25v

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Some more switch cleaning.
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Display (X14-1180-80)
Capacitors:
C1 10 uF found 1 uF 50v Electro (CEA) R82DC4100DQ60J 1 uF 63v
C2 10 uF found 1 uF 50v Electro (CEA) R82DC4100DQ60J 1 uF 63v
C3 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C4 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C5 10 uF found 1 uF 50v Electro (CEA) R82DC4100DQ60J 1 uF 63v
C6 10 uF found 1 uF 50v Electro (CEA) R82DC4100DQ60J 1 uF 63v
C7 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C8 22 uF 10v Electro (CEA) UPW1E220MDD1TA 22 uF 25v
C9 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C10 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C11 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C25 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
C29 10 uF 16v Electro (CEA) UPW1E100MMD6 10 uF 25v
Diodes:
D1-D4 1N60 Germanium Retain
D5-D8 1S2076 150mA / 30v 1N4148 200mA / 100v
D9 XZ-057 Zener 5.7v, 1/2w 1N5232B Zener 5.6v, 1/2w
D10 1S2076 150mA / 30v 1N4148 200mA / 100v

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AM-JKLURFi-cgJEzJueqlV2cPEwt5DkVMqQeqfYdhIPK-SRw-VWfbIKaPLYhyKUyAA4OIGh3psjgXk-EncZcvkIV1vM1_cHbMcLdmmKnDJhDuINP1CYN44aApF2rjCQq2XJGv4CG2gijLLyUAn8LRU73btfe=w462-h615-no

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AM-JKLWlS_D1_WX1AN7yfhAGa7b-M4fn-RiEvpqI0iN7AcdLwmo3dC3IAapVy5vCr0mHEN91vl8np9KzJ5_yotdrXk_qtg4dVPXCITJY_pYbMoZUTNGZhOoZ7-oLUD1LhwskcpVf1gMTFpWMd5MJwt_9zM6f=w462-h615-no
 
Tuner (X05-1810-80)
Capacitors:
C25 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C27 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C33 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C34 100 uF 16v Electro (CEA) UKA1E101MED 100 uF 25v
C37 0.22 uF 50v Electro (LL) MKS2C032201B00KI00 0.22 uF 100V
C38 0.47 uF 50v Electro (LL) MKS2D034701E00JI00 0.47 uF 100V
C39 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C42 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C43 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C44 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C45 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C46 0.47 uF 50v Electro (LL) MKS2D034701E00JI00 0.47 uF 100V
C47 0.47 uF 50v Electro (LL) MKS2D034701E00JI00 0.47 uF 100V
C48 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C49 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C50 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C51 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C52 220 uF 25v Electro (CEA) UKA1V221MPD 220 uF 35v
C53 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C54 47 uF 16v Electro (CEA) UKA1E470MDD 47 uF 25v
C55 33 uF 16V Electro (CEA) UKA1E330MDD 33 uF 25v
C56 2.2 uF 50v Electro (CEA) R82CC4220Z370J 2.2 uF 50v
C57 22 uF 16v Electro (CEA) UKA1E220MDD 22 uF 25v
C58 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C65 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C66 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C69 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C70 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C78 10 uF 16v Electro (CEA) UKT1E100MDD 10 uF 25v
C82 3.3 uF 25v Electro (LL) MKS2B043301H00KSSD 3.3 uF 50v
C83 3.3 uF 25v Electro (LL) MKS2B043301H00KSSD 3.3 uF 50v
C84 47 uF 10v Electro (CEA) UKA1C470MDD 47 uF 16v
C85 47 uF 10v Electro (CEA) UKA1C470MDD 47 uF 16v
C94 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C95 4.7 uF 25v Electro (LL) UES1V4R7MDM 4.7 uF 35v
C96 100 uF 16v (found 25v) Electro (CEA) UKA1E101MED 100 uF 25v
C97 100 uF 16v (found 25v) Electro (CEA) UKA1E101MED 100 uF 25v
C106 1 uF 50V Electro (CEA) R82DC4100DQ60J 1 uF 63v
C107 22 uF 16v Electro (CEA) UKA1E220MDD 22 uF 25v
C109 33 uF 16V Electro (CEA) UKA1E330MDD 33 uF 25v

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AM-JKLUk1xrBjvGgv1h5ClScV8fQnuO_uksw3KXL0h0o4vx9wRq_Uwra8-eYumvk6xjHJlfmViDBRdnj5ByqS0O1vHKzewb_owBJOlfo82gsFG0XR-jqrroSOcPuwvUjs8rIzv9mxF9wRjTCHgpYM5SUaQLR=w462-h615-no

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Didn't go over the top with transistor changes or LEDs... just recap, cleaning, and diodes (including zener changes). The timer coupling which I believe is more robust on this unit and was not broken (like on the 9G).

Here is the final line up of parts...
135 of Electrolytic Caps
18 Diodes
5 Zener Diodes
4 Trim Resistors (bias and offset)
1 Protection Relay

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These "airy" Kenwoods (and most Kenwoods) are much more intensively involved for a recap / rebuild compared to other brands. Much disassembly is needed to get at the front end boards. My comments are not easy / not impossible. I removed the output heat sinks then the center rib. Outputs were re-greased with wakefield 120.

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My good friend got the Model 9 at a yard sale for 7 bucks.

I have to say, it was one of the most beautiful things I've seen.

Congrats on a hell of a restoration, and pm me when you want to liquidate. I'd make room in the stable for that awesome hunk.
 
I have a Q19-20 on the Power Amp board in my Super Eleven. But they aren't in the schematic, in the SM that I downloaded from HiFi Engine. These 2 transistors ARE in the parts list in the SM, however. I have looked at every Super Eleven thread here that I could find, but no one seems to mention this. They seem to be an undocumented revision.
Does any one have any idea what function these perform on the Power Board?
 
hello all I'm new so sorry if I do a FUBAR. I'm trying to restore my dads kenwood super eleven. I'm looking for the bulbs in the second pick. part number 30-0234-05 which is discontinued and no were I have looked is showing a equivalent replacement or specs on the bulb to find a replacement. Dad had gotten this system in the early 80's in japan, he was in the air-force. Been in storage for 15+ years. He attempted the repair many years ago as you can see the three center bulbs are different, but didn't last very long. Ant information would be highly appreciated.
20230102_164235.jpg 20230102_164133.jpg
 
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