Kenwood Boat Anchors

Early on in my ham radio activity, I bought a few Kenwood rigs. This page is dedicated to documenting efforts to restore these rigs.

So, this first post will be to list an inventory of these rigs.



Kenwood TS-520


SPECIFICATIONS

GENERAL
Type: Amateur HF transceiver
Frequency range: 10-80 m i 7 bands
3.5-4.0 MHz
7.0-7.3 MHz
14.0-14.35 MHz
21.0-21.45 MHz
28.0-28.5 MHz
28.5-29.1 MHz
29.1-29.7 MHz
+ 10.0 MHz WWV receive only
Tuning steps: Continuous
Mode: SSB/CW
Channels/memory management: 4 fixed XTAL channels
Repeater shift/offset: No
Power supply: Mains: 120 / 220 VAC or 13.8 VDC
Current drain/power consumption: RX: 45 W @ mains, 5 A @ 13.8 VDC (heaters on)
TX: Max 280 W @ mains, 15 A @ 13.8 VDC
Antenna impedance/connector: 50-75 ohms / SO-239
Dimensions (W*H*D): 335*150*335 mm (13.2*5.9*13.2")
Weight: 17 Kg (37.4 lbs)
Other features: NB, VOX, 25 KHz calibrator




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity: 0.25 uV (10 dB S+N/N)
Selectivity: SSB: 2.4 KHz (-6 dB), 4.4 KHz (-60 dB)
CW: 500 Hz (-6 dB), 1.5 KHz (-60 dB), with optional CW filter
Image rejection: 50 dB
AF output power/speaker: 1 W at 10% distortion / 8 ohms
External speaker connector:




TRANSMITTER SECTION
RF output power: Max 100 W
Modulation system:
Max FM deviation: No FM
Spurious emissions: Less than -40 dB
Microphone impedance/connector: 50 kohms / 4-pin




MISCELLANEOUS
Manufactured: Japan, 1973-197x (Discontinued)
Additional info: Tube hybrid
Related documents: User manual (4.6 MB)
Modifications:
Options/Accessories:
- -

Kenwood TS-820S




SPECIFICATIONS

GENERAL
Type: Amateur HF transceiver
Frequency range: 10-160 m + WWV in 10 bands
1.8-2.0 MHz
3.5-4.0 MHz
7.0-7.3 MHz
14.0-14.35 MHz
21.0-21.45 MHz
28.0-28.5 MHz
28.5-29.0 MHz
29.0-29.5 MHz
29.5-29.7 MHz
WWV 15 MHz (RX only)
Tuning steps: Continuous
Mode: SSB/CW/FSK
Channels/memory management: 4 XTAL channels
Repeater shift/offset: No
Power supply: Mains (or 13.8 VDC with DC-DC option DS-1)
Current drain/power consumption: RX: 57 W (5 A heaters on) @ mains
TX: Max 292 W @ mains
Antenna impedance/connector: 50-75 ohms / SO-239
Dimensions (W*H*D): 335*155*335 mm (13.2*5.9*13.2")
Weight: 16.97 Kg (37.4 lbs)
Other features: Built-in digital readout, VOX, NB, RIT, IF shift




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 8.83 MHz
Sensitivity: 0.25 uV (10 dB S+N/N)
Selectivity: SSB: 2.4 KHz (-6 dB), 4.4 KHz (-60 dB)
CW: 500 Hz (-6 dB), 1.8 KHz (-60 dB), with optional CW filter
Image rejection: 60 dB
AF output power/speaker: 1.5 W at 10% distortion / 8 ohms
External speaker connector: 4-16 ohms




TRANSMITTER SECTION
RF output power: SSB: ~100 W PEP (200 W PEP input) @ mains
CW: ~100 W DC (160 W DC input) @ mains
FSK: ~60 W (100 W input) @ mains
Modulation system:
Max FM deviation: No FM
Spurious emissions: Less than -60 dB
Microphone impedance/connector: 50 kohms / 4-pin




MISCELLANEOUS
Manufactured: Japan, 1977-197x (Discontinued)
Additional info: Tube hybrid: 12BY7A (Driver), 2*S2001A or 6146B (Finals)
Related documents: User manual (2.4 MB)
Service bulletins (1.2 MB)
Modifications:
Options/Accessories:
DS-1A
SP-820
TV-502S
VFO-820
YG-88C DC-DC converter for 13.8 VDC power
Matching speaker with filters and two line input
144 MHz transverter
External VFO
500 Hz CW narrow filter. IF: 8.83 MHz

Kenwood TS-830S




SPECIFICATIONS

GENERAL
Type: Amateur HF transceiver
Frequency range: 10-160 m + WARC
1.8-2.0 MHz
3.5-4.0 MHz
7.0-7.3 MHz
10.0 MHz (WWV)
10.1-10.15 MHz
14.0-14.35 MHz
18.068-18.168 MHz
21.0-21.45 MHz
24.89-24.99 MHz
28.0-29.7 MHz
Tuning steps: Continuous
Mode: SSB/CW
Channels/memory management: No
Repeater shift/offset: No
Power supply: Mains: 120 / 220 / 240 VAC
Current drain/power consumption: RX: 32 W (heaters off)
TX: Max 295 W
Antenna impedance/connector: 50-75 ohms / SO-239
Dimensions (W*H*D): 333*133*333 mm (13.3*5.3*13.3")
Weight: 13.5 Kg (29.8 lbs)
Other features: VOX, 25 KHz calibrator, NB, IF-shift, VBT (Variable Bandwidth Tuning),
IF-output, Tone control




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 8.83 MHz
2nd IF: 455 KHz
Sensitivity: 0.25 uV (10 dB S+N/N)
Selectivity: SSB/CW Wide: 2.4 KHz (-6 dB), 3.6 KHz (-60 dB)
CW Narrow: See optional filters below
Image rejection: 60 dB
AF output power/speaker: 1.5 W at ?% distortion / 8 ohms
External speaker connector: 8-16 ohms




TRANSMITTER SECTION
RF output power: Max 100 W
Modulation system:
Max FM deviation: No FM
Spurious emissions: Less than -60 dB
Microphone impedance/connector: 500 ohms to 50 Kohm / 4-pin




MISCELLANEOUS
Manufactured: Japan, 1980-1988 (Discontinued)
Additional info: Tube hybrid: 1 driver and 2*6146B finals
Related documents: User manual (21 MB)
Modifications:
Options/Accessories:
AT-230
HC-10
HS-4
HS-5
KB-1
MC-30S
MC-35S
MC-50
PC-1
SM-220
SP-230
VFO-230
VFO-240
YG-455C
YG-455CN
YK-88C
YK-88CN
Manual antenna tuner
Digital world clock
Communications headphones, 8 ohms
Deluxe headphone set, 8 ohms
Deluxe flywheel VFO tuning knob
Noise cancelling hand microphone, 500 ohms
Noise cancelling hand microphone, 50 Kohm
Desk microphone, 500 ohms/50 Kohm switchable
Phone patch with VU-meter
Station monitor
External speaker with audio filters
Remote digital VFO, 20 Hz step and 5 memories
Remote VFO
Narrow CW filter, 500 Hz (-6 dB), IF: 455 KHz
Narrow CW filter, 250 Hz (-6 dB), IF: 455 KHz
Narrow CW filter, 500 Hz (-6 dB), IF: 8.83 MHz
Narrow CW filter, 270 Hz (-6 dB), IF: 8.83 MHz


1 comment:

  1. Wow! Spectacular! I enjoyed the site. Still have to look around a little more.

    ReplyDelete