Yamaha CR-2020

1 9 7 7 1977
1 9 7 8
Plus
1978+

Hopelessly classy.

Bigger sibling to the CR-1020 bestseller and bestseller itself, the 2020 nevertheless was the small sibling of the CR-3020.
The latter didn't sell so well so the CR-2020 can be seen as the right combination of high, wide, good & beautiful without being overdone.

Added from the CR-1020 are a an IC-based MC stage, 2-step turnover tone controls, 2-step FM muting, a 4-gang volume attenuator, three more discrete LEDs for FM Blend / Tone / Muting functions and more power with just as little distortion.

I won't bother with technical descriptions here : the CR-2020 is part of those few components one can buy eyes closed and which, just by looking at it (eyes opened), brings its period back, intact and unharmed by time - colors and flared trousers included.


Nudies and repair tips at audiovintage.fr.

Yamaha CR-2020, image 1 Yamaha CR-2020, image 2 Yamaha CR-2020, image 3
Yamaha CR-2020 specifications
Title Value
PRE/MAIN section PRE/MAIN section
Minimum RMS output : 2x 100W (4 Ohm, 20...20Khz)
Both channels driven (1Khz) : 2x 105W (8 Ohm)
Power bandwidth (IHF) : 10Hz...50Khz (at 0,05% THD)
Damping factor (1Khz) : 40 (8 Ohm)
THD (phono to Rec Out) : 0,01% (7,5V output)
THD (Aux, Tape to SP out) : 0,02% @ 35W
THD (Main In to SP Out) : 0,015% @ 35W
IM distortion : 0,05% @ 70W
Input sensitivity : 2mV / 47kOhm (Phono MM)
50µV / 10 Ohm (Phono MC)
120mV / 45kOhm (Aux, Tape 1&2)
775mV / 100kOhm (Main In terminals)
Maximum input levels : 230mV (1Khz, Phono MM)
5mV (1Khz, Phono MC)
Output level (Rec Out, Phono) : 120mV / 500 Ohm (rated)
15V (max, 1Khz)
Output level (Pre Out (rated) : 775mV / 0...2kOhm
5V max.
Frequency response : ± 0,2dB RIAA
10Hz...100Khz (Aux, Tape 1&2 to SP out, ± 2,5dB)
10Hz...100Khz (Main In to SP out, ± 2,5dB)
Bass turnover frequency : 125Hz or 500Hz
Bass boost/cut : ± 15dB at 20Hz
Treble turnover frequency : 2,5Khz or 8Khz
Treble boost/cut : ± 12dB at 20Khz
Presence boost/cut : ± 6dB at 3Khz
Filters : low: 15 or 70Hz (12dB/oct.)
high: 8 or 12Khz (12dB/oct.)
Loudness : level-related equalization
S/N ratio (IHF-A) : 95dB (Phono MM / 10mV / shorted)
85dB (Phono MC / 250µV / 50 Ohm, shorted)
100dB (Aux, Tape 1&2 / 5,1kOhm / shorted)
112dB (Main / 5,1kOhm / shorted)
NDCR (IHF-A) : for 0,1% into 8Ohm 20Hz to 20Khz from 100mW to 70W
(Vol -20dB, Phono to SP Out)
Meter range : 100mW to 200W into 8Ohm
FM section FM section
Tuning range : 88 to 108MHz
Usable sensitivity (300 Ohm) : 10,3dBf (1,8µV)
Usable sensitivity (75 Ohm) : 10,3dBf (0,9µV)
50dB quieting sensitivity (Mono) : 15,3dBf (3,2µV)
50dB quieting sensitivity (Mono) : 37,2dBf (40µV)
Alternate channel selectivity : 80dB (IHF)
Image response ratio (98MHz) : 85dB
IF response ratio (98MHZ) : 90dB
Spurious response ratio (98MHz) : 100dB
AM suppression (IHF) : 65dB
Capture ratio : 1,0dB
S/N ratio (65dBf, IHF) : 77dB (mono)
73dB (stereo)
Distortion (mono, 65dBf) : 0,08% (100Hz)
0,08% (1Khz)
0,15% (6Khz)
Distortion (stereo, 65dBf) : 0,15% (100Hz)
0,1% (1Khz)
0,2% (6Khz)
Intermodulation distortion (IHF) : 0,05% (mono)
0,01% (stereo)
Sub-carrier product ratio : 60dB
Stereo separation : 35dB (50Hz)
50dB (1Khz)
45dB (10Khz)
Frequency response : ± 0,3dB (50Hz to 10Khz)
± 0,5dB (30Hz to 15Khz)
+0,5 / -3dB (10Hz to 18Khz)
Muting threshold : 14,8dbF / 3µV
34,8dbF / 30µV
General General
Semiconductors : 109 transistors
6 ICs
3 FETs
58 diodes
7 Zener diodes
8 LEDs
4 ceramic filters
PS : multivoltage (EU & JP models only)
PC : 480W (US model)
Dimensions : 54 x 16,7 x 41,5mm
Weight : 19,3kg.
Features
» logical chassis layout
» Mylar film capacitors & metallic film resistors in the RIAA EQ section
» Continuously variable loudness contour
» Linear differential gain IF stage
» 4-gang tuning capacitor with dual-gate MOS-FETs
» MPX section included into NFB loop
» Multi-function FM/AM/Signal/Multipath/Power meters
» High-Blend switch (FM)
» DOLBY adapter switch
» Automatic or Manual OTS tuning system
» 2x Headphone jacks for Yamaha Orthodynamic and/or normal 'phones
Yamaha CR-2020 : 0 topic
(last updated topic shows up first)
page online since : october 2005
page updated : october 2010
page type : LGT / KNB
page weight : 200.62 Kb / 0 b

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