Sony TA-E86B

Sony TA-E86

1 9 7 8 march 1978
1 9 8 2 may 1982

Bestseller of the pre-Esprit series, the E86B is a simplified and slightly later sibling to the TA-E88B with less stringent componentry and features. But the single transformer has a 2nd winding solely for the MC cartridge Head Amp and the philisophy is the same: no ICs !
Mainly, the volume and balance attenuators are (Alps) regular carbon-resistive tracks and not the (Alps) ZP-1 Perfect Balancer.

Unlike the 88 duet, the 86 combo was only delivered worldwide in grey, while Japan only saw the original silver finish.
The final design was drawn in the spring of 1976 by Shigeo Takahashi, along with various layout versions which would later on resurface in other Sony products..

Quite rare in the US but truly abundant Europe, like the TA-N86 mating amp. By all accounts, this is a truly excellent audio preamplifier : one would need a lot more cash to get as much music from a preamplifier.

Rather strangely, unlike the 88 combo, the E86B and N86B components were barely advertised for in Japan. This would tend to prove that advertising doesn't do much sales-wise because both sold like parisian french croissants on a sunday morning - worldwide.

I let my CA-1010 go, I let my TA-E80ES go but I'll never let my E86B go.

Some measured perormances here.

Sony TA-E86B, image 1 Sony TA-E86B, image 2 Sony TA-E86B, image 3
Sony TA-E86B specifications
Title Value
Inputs : Phono MM (2,5mV at 100 / 50 / 25kOhm)
Phono MC (0,125mV /100 Ohm ; 40 Ohm position)
Phono MC (0,125mV / 25 Ohm ; 3 Ohm position)
1x Tape (150mV / 50kOhm)
1x Aux (150mV / 50kOhm)
1x Tuner (150mV / 50kOhm)
Max. input level : 250mV (MM position)
12,5mV (MC position)
Outputs : 1x Tape (150mV / 10kOhm)
2x pre out (1,2...1,5V / 100 Ohm)
Bass boost output : +6dB at 120Hz (pre-out #2 only)
THD : 0,003% at 10V output
TIM : 0,003% at 10V output
Frequency response : DC...500Khz (+0 / -1dB)
RIAA : ± 0,2dB
Residual noise : less than 6µV (IHF-A)
S/N ratio : 87db (MM, 2,5mV input)
99db (MM, 10mV input)
78db (MC, 0,2mV input)
105dB (aux, tuner, tape, 150mV input)
Head Amp input noise : -155 dB (0,2mV)
Subsonic filter : 12dB/oct. below 15Hz
PC : 15W
Dimensions : 48 x 8 x 36,6cm
Weight : 8,6kg.
List price : 90,000¥ (1978)
600$ (1980)
FEATURES DC-coupled circuitry
Separate circuitry for each channel
FET-buffered power supply
Built-in Head Amplifier
Exclusive Sony LEC transistors and PS voltage stabilizer
Sony-developped cascode-connected dual-FETs
Sony-developped low-noise transistors
Metalized resistors and polypropylene caps
Stepped level attenuator
12dB/oct. subsonic filter
two pairs of pre-outputs
6dB bass boost on 2nd pre-output
Gold-plated terminals
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